- feat(learn): Integrate learn practice with local data

Merge branch 'release/0.1.0-internal.v2'

android/app/build.gradle.kts

@@ -1,41 +1,77 @@
+import java.util.Properties
+import java.io.FileInputStream
+
 plugins {
-    id("kotlin-android")
     id("com.android.application")
+    id("org.jetbrains.kotlin.android")
     id("com.google.gms.google-services")
     id("dev.flutter.flutter-gradle-plugin")
 }
 
+val keystoreProperties = Properties()
+val keystorePropertiesFile = rootProject.file("key.properties")
+
+if (keystorePropertiesFile.exists()) {
+    FileInputStream(keystorePropertiesFile).use {
+        keystoreProperties.load(it)
+    }
+}
+
 android {
+    ndkVersion = flutter.ndkVersion
     namespace = "com.yimaru.lms.app"
     compileSdk = flutter.compileSdkVersion
-    ndkVersion = flutter.ndkVersion
+
 
     compileOptions {
+        isCoreLibraryDesugaringEnabled = true
         sourceCompatibility = JavaVersion.VERSION_17
         targetCompatibility = JavaVersion.VERSION_17
     }
 
-    kotlin {
-        compilerOptions {
-            jvmTarget.set(org.jetbrains.kotlin.gradle.dsl.JvmTarget.JVM_17)
-        }
-    }
-
 
     defaultConfig {
         minSdk = flutter.minSdkVersion
-        applicationId = "com.yimaru.lms.app"
         versionCode = flutter.versionCode
         versionName = flutter.versionName
+        applicationId = "com.yimaru.lms.app"
         targetSdk = flutter.targetSdkVersion
 
     }
 
-    buildTypes {
+    signingConfigs {
-        release {
+        create("release") {
-            signingConfig = signingConfigs.getByName("debug")
+            keyAlias = keystoreProperties["keyAlias"] as String
+            keyPassword = keystoreProperties["keyPassword"] as String
+            storePassword = keystoreProperties["storePassword"] as String
+            storeFile = keystoreProperties["storeFile"]?.let { file(it as String) }
         }
     }
+
+    buildTypes {
+        getByName("release") {
+            isMinifyEnabled = false
+            isShrinkResources = false
+            ndk { debugSymbolLevel = "FULL" }
+            signingConfig = signingConfigs.getByName("release")
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro"
+            )
+        }
+    }
+}
+
+kotlin {
+    jvmToolchain(17)
+
+    compilerOptions {
+        jvmTarget.set(org.jetbrains.kotlin.gradle.dsl.JvmTarget.JVM_17)
+    }
+}
+
+dependencies {
+    coreLibraryDesugaring("com.android.tools:desugar_jdk_libs:2.1.5")
+    implementation(platform("com.google.firebase:firebase-bom:34.10.0"))
 }
 
 flutter {

android/app/google-services.json

@@ -14,20 +14,20 @@
       },
       "oauth_client": [
         {
-          "client_id": "574860813475-01gh5tk0bu5bgj68r02sgh5pk5greoku.apps.googleusercontent.com",
+          "client_id": "574860813475-3p3k63lkrfd113sn6jscgvdj0aigsg5s.apps.googleusercontent.com",
-          "client_type": 1,
-          "android_info": {
-            "package_name": "com.yimaru.lms.app",
-            "certificate_hash": "fc91f52846d27c62bba3e16bc98982fb9953eca1"
-          }
-        },
-        {
-          "client_id": "574860813475-631s3mo8ha2qc2jeb5e2aosn0967niik.apps.googleusercontent.com",
           "client_type": 1,
           "android_info": {
             "package_name": "com.yimaru.lms.app",
             "certificate_hash": "928ead08b5e39d6a861a55ae7cceb8c402d1ee7a"
           }
+        },
+        {
+          "client_id": "574860813475-m90u87plqaac4tb8oug32k41usossiod.apps.googleusercontent.com",
+          "client_type": 1,
+          "android_info": {
+            "package_name": "com.yimaru.lms.app",
+            "certificate_hash": "29797902ad6a24212b9d9fad71562907956f6a6c"
+          }
         }
       ],
       "api_key": [

android/app/proguard-rules.pro

@@ -0,0 +1,41 @@
+############################################
+# Flutter
+############################################
+-keep class io.flutter.** { *; }
+-keep class io.flutter.plugins.** { *; }
+
+############################################
+# Firebase (General Safe Rules)
+############################################
+-keep class com.google.firebase.** { *; }
+-dontwarn com.google.firebase.**
+
+############################################
+# Google Sign-In
+############################################
+-keep class com.google.android.gms.auth.api.signin.** { *; }
+-keep class com.google.android.gms.common.api.** { *; }
+-dontwarn com.google.android.gms.**
+
+############################################
+# Play Services
+############################################
+-keep class com.google.android.gms.** { *; }
+
+############################################
+# flutter_inappwebview
+############################################
+-keep class com.pichillilorenzo.flutter_inappwebview.** { *; }
+-dontwarn com.pichillilorenzo.flutter_inappwebview.**
+
+############################################
+# Keep annotations
+############################################
+-keepattributes *Annotation*
+
+
+############################################
+# Google Play Core
+############################################
+-keep class com.google.android.play.core.** { *; }
+-dontwarn com.google.android.play.core.**

android/app/src/main/AndroidManifest.xml

@@ -7,7 +7,7 @@
     <uses-permission android:name="android.permission.CAMERA"/>
     <uses-permission android:name="android.permission.READ_MEDIA_IMAGES"/>
     <application
-        android:label="Yimaru"
+        android:label="Yimaru Academy"
         android:name="${applicationName}"
         android:icon="@mipmap/ic_launcher">
         <activity

android/app/src/main/res/drawable-v21/launch_background.xml

@@ -1,12 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- Modify this file to customize your launch splash screen -->
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:drawable="?android:colorBackground" />
+    <item>
-
+        <bitmap android:gravity="fill" android:src="@drawable/background"/>
-    <!-- You can insert your own image assets here -->
+    </item>
-    <!-- <item>
+    <item>
-        <bitmap
+        <bitmap android:gravity="center" android:src="@drawable/splash"/>
-            android:gravity="center"
+    </item>
-            android:src="@mipmap/launch_image" />
-    </item> -->
 </layer-list>

android/app/src/main/res/drawable/launch_background.xml

@@ -1,12 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- Modify this file to customize your launch splash screen -->
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:drawable="@android:color/white" />
+    <item>
-
+        <bitmap android:gravity="fill" android:src="@drawable/background"/>
-    <!-- You can insert your own image assets here -->
+    </item>
-    <!-- <item>
+    <item>
-        <bitmap
+        <bitmap android:gravity="center" android:src="@drawable/splash"/>
-            android:gravity="center"
+    </item>
-            android:src="@mipmap/launch_image" />
-    </item> -->
 </layer-list>

android/app/src/main/res/values-night-v31/styles.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is on -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <item name="android:forceDarkAllowed">false</item>
+        <item name="android:windowFullscreen">false</item>
+        <item name="android:windowDrawsSystemBarBackgrounds">false</item>
+        <item name="android:windowLayoutInDisplayCutoutMode">shortEdges</item>
+        <item name="android:windowSplashScreenBackground">#9E2891</item>
+        <item name="android:windowSplashScreenAnimatedIcon">@drawable/android12splash</item>
+    </style>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+         
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
+</resources>

android/app/src/main/res/values-night/styles.xml

@@ -5,6 +5,10 @@
         <!-- Show a splash screen on the activity. Automatically removed when
              the Flutter engine draws its first frame -->
         <item name="android:windowBackground">@drawable/launch_background</item>
+        <item name="android:forceDarkAllowed">false</item>
+        <item name="android:windowFullscreen">false</item>
+        <item name="android:windowDrawsSystemBarBackgrounds">false</item>
+        <item name="android:windowLayoutInDisplayCutoutMode">shortEdges</item>
     </style>
     <!-- Theme applied to the Android Window as soon as the process has started.
          This theme determines the color of the Android Window while your

android/app/src/main/res/values-v31/styles.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is off -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Light.NoTitleBar">
+        <item name="android:forceDarkAllowed">false</item>
+        <item name="android:windowFullscreen">false</item>
+        <item name="android:windowDrawsSystemBarBackgrounds">false</item>
+        <item name="android:windowLayoutInDisplayCutoutMode">shortEdges</item>
+        <item name="android:windowSplashScreenBackground">#9E2891</item>
+        <item name="android:windowSplashScreenAnimatedIcon">@drawable/android12splash</item>
+    </style>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+         
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Light.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
+</resources>

android/app/src/main/res/values/styles.xml

@@ -5,6 +5,10 @@
         <!-- Show a splash screen on the activity. Automatically removed when
              the Flutter engine draws its first frame -->
         <item name="android:windowBackground">@drawable/launch_background</item>
+        <item name="android:forceDarkAllowed">false</item>
+        <item name="android:windowFullscreen">false</item>
+        <item name="android:windowDrawsSystemBarBackgrounds">false</item>
+        <item name="android:windowLayoutInDisplayCutoutMode">shortEdges</item>
     </style>
     <!-- Theme applied to the Android Window as soon as the process has started.
          This theme determines the color of the Android Window while your

android/gradle.properties

@@ -1,2 +1,12 @@
 org.gradle.jvmargs=-Xmx8G -XX:MaxMetaspaceSize=4G -XX:ReservedCodeCacheSize=512m -XX:+HeapDumpOnOutOfMemoryError
 android.useAndroidX=true
+android.defaults.buildfeatures.resvalues=true
+android.sdk.defaultTargetSdkToCompileSdkIfUnset=false
+android.enableAppCompileTimeRClass=false
+android.usesSdkInManifest.disallowed=false
+android.uniquePackageNames=false
+android.dependency.useConstraints=true
+android.r8.strictFullModeForKeepRules=false
+android.r8.optimizedResourceShrinking=false
+android.builtInKotlin=false
+android.newDsl=false

android/gradle/wrapper/gradle-wrapper.properties

@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.14-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.3.1-all.zip

android/settings.gradle.kts

@@ -19,9 +19,10 @@ pluginManagement {
 
 plugins {
     id("dev.flutter.flutter-plugin-loader") version "1.0.0"
-    id("com.android.application") version "8.13.2" apply false
+    id("com.android.application") version "9.1.0" apply false
     id("org.jetbrains.kotlin.android") version "2.3.0" apply false
     id("com.google.gms.google-services") version("4.4.4") apply false
+    id("org.gradle.toolchains.foojay-resolver-convention") version "1.0.0"
 
 }
 

devtools_options.yaml

@@ -0,0 +1,3 @@
+description: This file stores settings for Dart & Flutter DevTools.
+documentation: https://docs.flutter.dev/tools/devtools/extensions#configure-extension-enablement-states
+extensions:

ios/Runner/Assets.xcassets/LaunchBackground.imageset/Contents.json

@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "filename" : "background.png",
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json

@@ -1,23 +1,23 @@
 {
   "images" : [
     {
-      "idiom" : "universal",
       "filename" : "LaunchImage.png",
+      "idiom" : "universal",
       "scale" : "1x"
     },
     {
-      "idiom" : "universal",
       "filename" : "LaunchImage@2x.png",
+      "idiom" : "universal",
       "scale" : "2x"
     },
     {
-      "idiom" : "universal",
       "filename" : "LaunchImage@3x.png",
+      "idiom" : "universal",
       "scale" : "3x"
     }
   ],
   "info" : {
-    "version" : 1,
+    "author" : "xcode",
-    "author" : "xcode"
+    "version" : 1
   }
 }

ios/Runner/Base.lproj/LaunchScreen.storyboard

@@ -16,13 +16,19 @@
                     <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <subviews>
-                            <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4">
+                            <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleToFill" image="LaunchBackground" translatesAutoresizingMaskIntoConstraints="NO" id="tWc-Dq-wcI"/>
-                            </imageView>
+                            <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4"></imageView>
                         </subviews>
                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <constraints>
-                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerX" secondItem="Ze5-6b-2t3" secondAttribute="centerX" id="1a2-6s-vTC"/>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="leading" secondItem="Ze5-6b-2t3" secondAttribute="leading" id="3T2-ad-Qdv"/>
-                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerY" secondItem="Ze5-6b-2t3" secondAttribute="centerY" id="4X2-HB-R7a"/>
+                            <constraint firstItem="tWc-Dq-wcI" firstAttribute="bottom" secondItem="Ze5-6b-2t3" secondAttribute="bottom" id="RPx-PI-7Xg"/>
+                            <constraint firstItem="tWc-Dq-wcI" firstAttribute="top" secondItem="Ze5-6b-2t3" secondAttribute="top" id="SdS-ul-q2q"/>
+                            <constraint firstAttribute="trailing" secondItem="tWc-Dq-wcI" secondAttribute="trailing" id="Swv-Gf-Rwn"/>
+                            <constraint firstAttribute="trailing" secondItem="YRO-k0-Ey4" secondAttribute="trailing" id="TQA-XW-tRk"/>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="bottom" secondItem="Ze5-6b-2t3" secondAttribute="bottom" id="duK-uY-Gun"/>
+                            <constraint firstItem="tWc-Dq-wcI" firstAttribute="leading" secondItem="Ze5-6b-2t3" secondAttribute="leading" id="kV7-tw-vXt"/>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="top" secondItem="Ze5-6b-2t3" secondAttribute="top" id="xPn-NY-SIU"/>
                         </constraints>
                     </view>
                 </viewController>
@@ -32,6 +38,7 @@
         </scene>
     </scenes>
     <resources>
-        <image name="LaunchImage" width="168" height="185"/>
+        <image name="LaunchImage" width="1024" height="1024"/>
+        <image name="LaunchBackground" width="1" height="1"/>
     </resources>
 </document>

ios/Runner/Info.plist

@@ -1,49 +1,51 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
-<dict>
+	<dict>
-	<key>CFBundleDevelopmentRegion</key>
+		<key>CFBundleDevelopmentRegion</key>
-	<string>$(DEVELOPMENT_LANGUAGE)</string>
+		<string>$(DEVELOPMENT_LANGUAGE)</string>
-	<key>CFBundleDisplayName</key>
+		<key>CFBundleDisplayName</key>
-	<string>Yimaru App</string>
+		<string>Yimaru App</string>
-	<key>CFBundleExecutable</key>
+		<key>CFBundleExecutable</key>
-	<string>$(EXECUTABLE_NAME)</string>
+		<string>$(EXECUTABLE_NAME)</string>
-	<key>CFBundleIdentifier</key>
+		<key>CFBundleIdentifier</key>
-	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+		<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
-	<key>CFBundleInfoDictionaryVersion</key>
+		<key>CFBundleInfoDictionaryVersion</key>
-	<string>6.0</string>
+		<string>6.0</string>
-	<key>CFBundleName</key>
+		<key>CFBundleName</key>
-	<string>yimaru_app</string>
+		<string>yimaru_app</string>
-	<key>CFBundlePackageType</key>
+		<key>CFBundlePackageType</key>
-	<string>APPL</string>
+		<string>APPL</string>
-	<key>CFBundleShortVersionString</key>
+		<key>CFBundleShortVersionString</key>
-	<string>$(FLUTTER_BUILD_NAME)</string>
+		<string>$(FLUTTER_BUILD_NAME)</string>
-	<key>CFBundleSignature</key>
+		<key>CFBundleSignature</key>
-	<string>????</string>
+		<string>????</string>
-	<key>CFBundleVersion</key>
+		<key>CFBundleVersion</key>
-	<string>$(FLUTTER_BUILD_NUMBER)</string>
+		<string>$(FLUTTER_BUILD_NUMBER)</string>
-	<key>LSRequiresIPhoneOS</key>
+		<key>LSRequiresIPhoneOS</key>
-	<true/>
+		<true/>
-	<key>UILaunchStoryboardName</key>
+		<key>UILaunchStoryboardName</key>
-	<string>LaunchScreen</string>
+		<string>LaunchScreen</string>
-	<key>UIMainStoryboardFile</key>
+		<key>UIMainStoryboardFile</key>
-	<string>Main</string>
+		<string>Main</string>
-	<key>UISupportedInterfaceOrientations</key>
+		<key>UISupportedInterfaceOrientations</key>
-	<array>
+		<array>
-		<string>UIInterfaceOrientationPortrait</string>
+			<string>UIInterfaceOrientationPortrait</string>
-		<string>UIInterfaceOrientationLandscapeLeft</string>
+			<string>UIInterfaceOrientationLandscapeLeft</string>
-		<string>UIInterfaceOrientationLandscapeRight</string>
+			<string>UIInterfaceOrientationLandscapeRight</string>
-	</array>
+		</array>
-	<key>UISupportedInterfaceOrientations~ipad</key>
+		<key>UISupportedInterfaceOrientations~ipad</key>
-	<array>
+		<array>
-		<string>UIInterfaceOrientationPortrait</string>
+			<string>UIInterfaceOrientationPortrait</string>
-		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+			<string>UIInterfaceOrientationPortraitUpsideDown</string>
-		<string>UIInterfaceOrientationLandscapeLeft</string>
+			<string>UIInterfaceOrientationLandscapeLeft</string>
-		<string>UIInterfaceOrientationLandscapeRight</string>
+			<string>UIInterfaceOrientationLandscapeRight</string>
-	</array>
+		</array>
-	<key>CADisableMinimumFrameDurationOnPhone</key>
+		<key>CADisableMinimumFrameDurationOnPhone</key>
-	<true/>
+		<true/>
-	<key>UIApplicationSupportsIndirectInputEvents</key>
+		<key>UIApplicationSupportsIndirectInputEvents</key>
-	<true/>
+		<true/>
-</dict>
+		<key>UIStatusBarHidden</key>
+		<false/>
+	</dict>
 </plist>

lib/app/app.dart

@@ -9,7 +9,6 @@ import 'package:yimaru_app/ui/views/profile/profile_view.dart';
 import 'package:yimaru_app/ui/views/profile_detail/profile_detail_view.dart';
 import 'package:yimaru_app/ui/views/downloads/downloads_view.dart';
 import 'package:yimaru_app/ui/views/progress/progress_view.dart';
-import 'package:yimaru_app/ui/views/ongoing_progress/ongoing_progress_view.dart';
 import 'package:yimaru_app/ui/views/account_privacy/account_privacy_view.dart';
 import 'package:yimaru_app/ui/views/support/support_view.dart';
 import 'package:yimaru_app/ui/views/telegram_support/telegram_support_view.dart';
@@ -30,7 +29,6 @@ import 'package:yimaru_app/services/status_checker_service.dart';
 import 'package:yimaru_app/ui/views/welcome/welcome_view.dart';
 import 'package:yimaru_app/ui/views/assessment/assessment_view.dart';
 import 'package:yimaru_app/ui/views/learn_lesson/learn_lesson_view.dart';
-import 'package:yimaru_app/ui/views/failure/failure_view.dart';
 import 'package:yimaru_app/services/permission_handler_service.dart';
 import 'package:yimaru_app/services/image_picker_service.dart';
 import 'package:yimaru_app/services/google_auth_service.dart';
@@ -38,6 +36,20 @@ import 'package:yimaru_app/services/image_downloader_service.dart';
 import 'package:yimaru_app/ui/views/forget_password/forget_password_view.dart';
 import 'package:yimaru_app/ui/views/learn_lesson_detail/learn_lesson_detail_view.dart';
 import 'package:yimaru_app/ui/views/learn_practice/learn_practice_view.dart';
+import 'package:yimaru_app/ui/views/course_practice/course_practice_view.dart';
+import 'package:yimaru_app/ui/views/course_payment/course_payment_view.dart';
+import 'package:yimaru_app/ui/views/course_category/course_category_view.dart';
+import 'package:yimaru_app/ui/views/failure/failure_view.dart';
+import 'package:yimaru_app/ui/views/course_lesson/course_lesson_view.dart';
+import 'package:yimaru_app/ui/views/course_lesson_detail/course_lesson_detail_view.dart';
+import 'package:yimaru_app/services/notification_service.dart';
+import 'package:yimaru_app/ui/views/duolingo/duolingo_view.dart';
+import 'package:yimaru_app/services/smart_auth_service.dart';
+import 'package:yimaru_app/services/course_service.dart';
+import 'package:yimaru_app/ui/views/course_subcategory/course_subcategory_view.dart';
+import 'package:yimaru_app/ui/views/course/course_view.dart';
+import 'package:yimaru_app/services/audio_player_service.dart';
+import 'package:yimaru_app/services/voice_recorder_service.dart';
 // @stacked-import
 
 @StackedApp(
@@ -49,7 +61,6 @@ import 'package:yimaru_app/ui/views/learn_practice/learn_practice_view.dart';
     MaterialRoute(page: ProfileDetailView),
     MaterialRoute(page: DownloadsView),
     MaterialRoute(page: ProgressView),
-    MaterialRoute(page: OngoingProgressView),
     MaterialRoute(page: AccountPrivacyView),
     MaterialRoute(page: SupportView),
     MaterialRoute(page: TelegramSupportView),
@@ -65,10 +76,18 @@ import 'package:yimaru_app/ui/views/learn_practice/learn_practice_view.dart';
     MaterialRoute(page: WelcomeView),
     MaterialRoute(page: AssessmentView),
     MaterialRoute(page: LearnLessonView),
-    MaterialRoute(page: FailureView),
     MaterialRoute(page: ForgetPasswordView),
     MaterialRoute(page: LearnLessonDetailView),
     MaterialRoute(page: LearnPracticeView),
+    MaterialRoute(page: CoursePracticeView),
+    MaterialRoute(page: CoursePaymentView),
+    MaterialRoute(page: CourseCategoryView),
+    MaterialRoute(page: FailureView),
+    MaterialRoute(page: CourseLessonView),
+    MaterialRoute(page: CourseLessonDetailView),
+    MaterialRoute(page: DuolingoView),
+    MaterialRoute(page: CourseSubcategoryView),
+    MaterialRoute(page: CourseView),
 // @stacked-route
   ],
   dependencies: [
@@ -84,6 +103,11 @@ import 'package:yimaru_app/ui/views/learn_practice/learn_practice_view.dart';
     LazySingleton(classType: ImagePickerService),
     LazySingleton(classType: GoogleAuthService),
     LazySingleton(classType: ImageDownloaderService),
+    LazySingleton(classType: NotificationService),
+    LazySingleton(classType: SmartAuthService),
+    LazySingleton(classType: CourseService),
+    LazySingleton(classType: AudioPlayerService),
+    LazySingleton(classType: VoiceRecorderService),
 // @stacked-service
   ],
   bottomsheets: [

lib/app/app.locator.dart

@@ -12,14 +12,19 @@ import 'package:stacked_services/src/navigation/navigation_service.dart';
 import 'package:stacked_shared/stacked_shared.dart';
 
 import '../services/api_service.dart';
+import '../services/audio_player_service.dart';
 import '../services/authentication_service.dart';
+import '../services/course_service.dart';
 import '../services/dio_service.dart';
 import '../services/google_auth_service.dart';
 import '../services/image_downloader_service.dart';
 import '../services/image_picker_service.dart';
+import '../services/notification_service.dart';
 import '../services/permission_handler_service.dart';
 import '../services/secure_storage_service.dart';
+import '../services/smart_auth_service.dart';
 import '../services/status_checker_service.dart';
+import '../services/voice_recorder_service.dart';
 
 final locator = StackedLocator.instance;
 
@@ -44,4 +49,9 @@ Future<void> setupLocator({
   locator.registerLazySingleton(() => ImagePickerService());
   locator.registerLazySingleton(() => GoogleAuthService());
   locator.registerLazySingleton(() => ImageDownloaderService());
+  locator.registerLazySingleton(() => NotificationService());
+  locator.registerLazySingleton(() => SmartAuthService());
+  locator.registerLazySingleton(() => CourseService());
+  locator.registerLazySingleton(() => AudioPlayerService());
+  locator.registerLazySingleton(() => VoiceRecorderService());
 }

lib/firebase_options.dart

@@ -64,7 +64,7 @@ class DefaultFirebaseOptions {
     projectId: 'yimaru-lms-e834e',
     storageBucket: 'yimaru-lms-e834e.firebasestorage.app',
     androidClientId:
-        '574860813475-01gh5tk0bu5bgj68r02sgh5pk5greoku.apps.googleusercontent.com',
+        '574860813475-3p3k63lkrfd113sn6jscgvdj0aigsg5s.apps.googleusercontent.com',
     iosBundleId: 'com.yimaru.lms.app',
   );
 }

lib/main.dart

@@ -1,3 +1,4 @@
+import 'package:firebase_core/firebase_core.dart';
 import 'package:flutter/material.dart';
 import 'package:toastification/toastification.dart';
 import 'package:yimaru_app/app/app.bottomsheets.dart';
@@ -5,10 +6,15 @@ import 'package:yimaru_app/app/app.dialogs.dart';
 import 'package:yimaru_app/app/app.locator.dart';
 import 'package:yimaru_app/app/app.router.dart';
 import 'package:stacked_services/stacked_services.dart';
+import 'package:yimaru_app/services/notification_service.dart';
+
+import 'firebase_options.dart';
 
 Future<void> main() async {
   WidgetsFlutterBinding.ensureInitialized();
   await setupLocator();
+  await Firebase.initializeApp(options: DefaultFirebaseOptions.currentPlatform);
+  await locator<NotificationService>().initialize();
   setupDialogUi();
   setupBottomSheetUi();
   runApp(const MainApp());

lib/models/assessment.dart

@@ -10,6 +10,8 @@ class Assessment {
 
   final String? status;
 
+  final List<Option>? options;
+
   @JsonKey(name: 'question_type')
   final String? questionType;
 
@@ -19,8 +21,6 @@ class Assessment {
   @JsonKey(name: 'difficulty_level')
   final String? difficultyLevel;
 
-  final List<Option>? options;
-
   const Assessment({
     this.id,
     this.points,

lib/models/assessment.g.dart

@@ -23,8 +23,8 @@ Map<String, dynamic> _$AssessmentToJson(Assessment instance) =>
       'id': instance.id,
       'points': instance.points,
       'status': instance.status,
+      'options': instance.options,
       'question_type': instance.questionType,
       'question_text': instance.questionText,
       'difficulty_level': instance.difficultyLevel,
-      'options': instance.options,
     };

lib/models/course.dart

@@ -0,0 +1,39 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'course.g.dart';
+
+@JsonSerializable()
+class Course {
+  final int? id;
+
+  final String? level;
+
+  final String? title;
+
+  final String? thumbnail;
+
+  final String? description;
+
+  @JsonKey(name: 'course_id')
+  final int? courseId;
+
+  @JsonKey(name: 'is_active')
+  final bool? isActive;
+
+  @JsonKey(name: 'display_order')
+  final int? displayOrder;
+
+  const Course(
+      {this.id,
+      this.level,
+      this.title,
+      this.isActive,
+      this.courseId,
+      this.thumbnail,
+      this.description,
+      this.displayOrder});
+
+  factory Course.fromJson(Map<String, dynamic> json) => _$CourseFromJson(json);
+
+  Map<String, dynamic> toJson() => _$CourseToJson(this);
+}

lib/models/course.g.dart

@@ -0,0 +1,29 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'course.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+Course _$CourseFromJson(Map<String, dynamic> json) => Course(
+      id: (json['id'] as num?)?.toInt(),
+      level: json['level'] as String?,
+      title: json['title'] as String?,
+      isActive: json['is_active'] as bool?,
+      courseId: (json['course_id'] as num?)?.toInt(),
+      thumbnail: json['thumbnail'] as String?,
+      description: json['description'] as String?,
+      displayOrder: (json['display_order'] as num?)?.toInt(),
+    );
+
+Map<String, dynamic> _$CourseToJson(Course instance) => <String, dynamic>{
+      'id': instance.id,
+      'level': instance.level,
+      'title': instance.title,
+      'thumbnail': instance.thumbnail,
+      'description': instance.description,
+      'course_id': instance.courseId,
+      'is_active': instance.isActive,
+      'display_order': instance.displayOrder,
+    };

lib/models/course_category.dart

@@ -0,0 +1,20 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'course_category.g.dart';
+
+@JsonSerializable()
+class CourseCategory {
+  final int? id;
+
+  final String? name;
+
+  @JsonKey(name: 'is_active')
+  final bool? isActive;
+
+  const CourseCategory({this.id, this.name, this.isActive});
+
+  factory CourseCategory.fromJson(Map<String, dynamic> json) =>
+      _$CourseCategoryFromJson(json);
+
+  Map<String, dynamic> toJson() => _$CourseCategoryToJson(this);
+}

lib/models/course_category.g.dart

@@ -0,0 +1,21 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'course_category.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+CourseCategory _$CourseCategoryFromJson(Map<String, dynamic> json) =>
+    CourseCategory(
+      id: (json['id'] as num?)?.toInt(),
+      name: json['name'] as String?,
+      isActive: json['is_active'] as bool?,
+    );
+
+Map<String, dynamic> _$CourseCategoryToJson(CourseCategory instance) =>
+    <String, dynamic>{
+      'id': instance.id,
+      'name': instance.name,
+      'is_active': instance.isActive,
+    };

lib/models/course_detail.dart

@@ -0,0 +1,19 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:yimaru_app/models/course_progress.dart';
+import 'package:yimaru_app/models/course.dart';
+
+part 'course_detail.g.dart';
+
+@JsonSerializable()
+class CourseDetail {
+  final Course? course;
+
+  final CourseProgress? courseProgress;
+
+  const CourseDetail({this.course, this.courseProgress});
+
+  factory CourseDetail.fromJson(Map<String, dynamic> json) =>
+      _$CourseDetailFromJson(json);
+
+  Map<String, dynamic> toJson() => _$CourseDetailToJson(this);
+}

lib/models/course_detail.g.dart

@@ -0,0 +1,23 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'course_detail.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+CourseDetail _$CourseDetailFromJson(Map<String, dynamic> json) => CourseDetail(
+      course: json['course'] == null
+          ? null
+          : Course.fromJson(json['course'] as Map<String, dynamic>),
+      courseProgress: json['courseProgress'] == null
+          ? null
+          : CourseProgress.fromJson(
+              json['courseProgress'] as Map<String, dynamic>),
+    );
+
+Map<String, dynamic> _$CourseDetailToJson(CourseDetail instance) =>
+    <String, dynamic>{
+      'course': instance.course,
+      'courseProgress': instance.courseProgress,
+    };

lib/models/course_lesson.dart

@@ -0,0 +1,57 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'course_lesson.g.dart';
+
+@JsonSerializable()
+class CourseLesson {
+  int? id;
+
+  String? title;
+
+  int? duration;
+
+  String? status;
+
+  String? thumbnail;
+
+  String? resolution;
+
+  String? visibility;
+
+  String? description;
+
+  @JsonKey(name: 'video_url')
+  String? videoUrl;
+
+  @JsonKey(name: 'instructor_id')
+  int? instructorId;
+
+  @JsonKey(name: 'sub_course_id')
+  int? courseId;
+
+  @JsonKey(name: 'vimeo_status')
+  String? vimeoStatus;
+
+  @JsonKey(name: 'display_order')
+  int? displayOrder;
+
+  CourseLesson(
+      {this.id,
+      this.title,
+      this.status,
+      this.courseId,
+      this.videoUrl,
+      this.duration,
+      this.thumbnail,
+      this.visibility,
+      this.resolution,
+      this.vimeoStatus,
+      this.description,
+      this.displayOrder,
+      this.instructorId});
+
+  factory CourseLesson.fromJson(Map<String, dynamic> json) =>
+      _$CourseLessonFromJson(json);
+
+  Map<String, dynamic> toJson() => _$CourseLessonToJson(this);
+}

lib/models/course_lesson.g.dart

@@ -0,0 +1,40 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'course_lesson.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+CourseLesson _$CourseLessonFromJson(Map<String, dynamic> json) => CourseLesson(
+      id: (json['id'] as num?)?.toInt(),
+      title: json['title'] as String?,
+      status: json['status'] as String?,
+      courseId: (json['sub_course_id'] as num?)?.toInt(),
+      videoUrl: json['video_url'] as String?,
+      duration: (json['duration'] as num?)?.toInt(),
+      thumbnail: json['thumbnail'] as String?,
+      visibility: json['visibility'] as String?,
+      resolution: json['resolution'] as String?,
+      vimeoStatus: json['vimeo_status'] as String?,
+      description: json['description'] as String?,
+      displayOrder: (json['display_order'] as num?)?.toInt(),
+      instructorId: (json['instructor_id'] as num?)?.toInt(),
+    );
+
+Map<String, dynamic> _$CourseLessonToJson(CourseLesson instance) =>
+    <String, dynamic>{
+      'id': instance.id,
+      'title': instance.title,
+      'duration': instance.duration,
+      'status': instance.status,
+      'thumbnail': instance.thumbnail,
+      'resolution': instance.resolution,
+      'visibility': instance.visibility,
+      'description': instance.description,
+      'video_url': instance.videoUrl,
+      'instructor_id': instance.instructorId,
+      'sub_course_id': instance.courseId,
+      'vimeo_status': instance.vimeoStatus,
+      'display_order': instance.displayOrder,
+    };

lib/models/course_progress.dart

@@ -0,0 +1,42 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'course_progress.g.dart';
+
+@JsonSerializable()
+class CourseProgress {
+  final String? level;
+
+  final String? title;
+
+  final String? description;
+
+  @JsonKey(name: 'is_locked')
+  final bool? isLocked;
+
+  @JsonKey(name: 'sub_course_id')
+  final int? courseId;
+
+  @JsonKey(name: 'display_order')
+  final int? displayOrder;
+
+  @JsonKey(name: 'progress_status')
+  final String? progressStatus;
+
+  @JsonKey(name: 'progress_percentage')
+  final double? progressPercentage;
+
+  const CourseProgress(
+      {this.level,
+      this.title,
+      this.isLocked,
+      this.courseId,
+      this.description,
+      this.displayOrder,
+      this.progressStatus,
+      this.progressPercentage});
+
+  factory CourseProgress.fromJson(Map<String, dynamic> json) =>
+      _$CourseProgressFromJson(json);
+
+  Map<String, dynamic> toJson() => _$CourseProgressToJson(this);
+}

lib/models/course_progress.g.dart

@@ -0,0 +1,31 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'course_progress.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+CourseProgress _$CourseProgressFromJson(Map<String, dynamic> json) =>
+    CourseProgress(
+      level: json['level'] as String?,
+      title: json['title'] as String?,
+      isLocked: json['is_locked'] as bool?,
+      courseId: (json['sub_course_id'] as num?)?.toInt(),
+      description: json['description'] as String?,
+      displayOrder: (json['display_order'] as num?)?.toInt(),
+      progressStatus: json['progress_status'] as String?,
+      progressPercentage: (json['progress_percentage'] as num?)?.toDouble(),
+    );
+
+Map<String, dynamic> _$CourseProgressToJson(CourseProgress instance) =>
+    <String, dynamic>{
+      'level': instance.level,
+      'title': instance.title,
+      'description': instance.description,
+      'is_locked': instance.isLocked,
+      'sub_course_id': instance.courseId,
+      'display_order': instance.displayOrder,
+      'progress_status': instance.progressStatus,
+      'progress_percentage': instance.progressPercentage,
+    };

lib/models/course_subcategory.dart

@@ -0,0 +1,33 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'course_subcategory.g.dart';
+
+@JsonSerializable()
+class CourseSubcategory {
+  final int? id;
+
+  final String? title;
+
+  final String? thumbnail;
+
+  final String? description;
+
+  @JsonKey(name: 'is_active')
+  final bool? isActive;
+
+  @JsonKey(name: 'category_id')
+  final int? categoryId;
+
+  const CourseSubcategory(
+      {this.id,
+      this.title,
+      this.isActive,
+      this.thumbnail,
+      this.categoryId,
+      this.description});
+
+  factory CourseSubcategory.fromJson(Map<String, dynamic> json) =>
+      _$CourseSubcategoryFromJson(json);
+
+  Map<String, dynamic> toJson() => _$CourseSubcategoryToJson(this);
+}

lib/models/course_subcategory.g.dart

@@ -0,0 +1,27 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'course_subcategory.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+CourseSubcategory _$CourseSubcategoryFromJson(Map<String, dynamic> json) =>
+    CourseSubcategory(
+      id: (json['id'] as num?)?.toInt(),
+      title: json['title'] as String?,
+      isActive: json['is_active'] as bool?,
+      thumbnail: json['thumbnail'] as String?,
+      categoryId: (json['category_id'] as num?)?.toInt(),
+      description: json['description'] as String?,
+    );
+
+Map<String, dynamic> _$CourseSubcategoryToJson(CourseSubcategory instance) =>
+    <String, dynamic>{
+      'id': instance.id,
+      'title': instance.title,
+      'thumbnail': instance.thumbnail,
+      'description': instance.description,
+      'is_active': instance.isActive,
+      'category_id': instance.categoryId,
+    };

lib/models/practice.dart

@@ -0,0 +1,43 @@
+import 'package:json_annotation/json_annotation.dart';
+part 'practice.g.dart';
+
+@JsonSerializable()
+class Practice {
+  final int? id;
+
+  final String? title;
+
+  final String? status;
+
+  final String? persona;
+
+  final String? description;
+
+  @JsonKey(name: 'owner_id')
+  final int? ownerId;
+
+  @JsonKey(name: 'set_type')
+  final String? setType;
+
+  @JsonKey(name: 'owner_type')
+  final String? ownerType;
+
+  @JsonKey(name: 'shuffle_questions')
+  final bool? shuffleQuestions;
+
+  const Practice(
+      {this.id,
+      this.title,
+      this.status,
+      this.setType,
+      this.persona,
+      this.ownerId,
+      this.ownerType,
+      this.description,
+      this.shuffleQuestions});
+
+  factory Practice.fromJson(Map<String, dynamic> json) =>
+      _$PracticeFromJson(json);
+
+  Map<String, dynamic> toJson() => _$PracticeToJson(this);
+}

lib/models/practice.g.dart

@@ -0,0 +1,31 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'practice.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+Practice _$PracticeFromJson(Map<String, dynamic> json) => Practice(
+      id: (json['id'] as num?)?.toInt(),
+      title: json['title'] as String?,
+      status: json['status'] as String?,
+      setType: json['set_type'] as String?,
+      persona: json['persona'] as String?,
+      ownerId: (json['owner_id'] as num?)?.toInt(),
+      ownerType: json['owner_type'] as String?,
+      description: json['description'] as String?,
+      shuffleQuestions: json['shuffle_questions'] as bool?,
+    );
+
+Map<String, dynamic> _$PracticeToJson(Practice instance) => <String, dynamic>{
+      'id': instance.id,
+      'title': instance.title,
+      'status': instance.status,
+      'persona': instance.persona,
+      'description': instance.description,
+      'owner_id': instance.ownerId,
+      'set_type': instance.setType,
+      'owner_type': instance.ownerType,
+      'shuffle_questions': instance.shuffleQuestions,
+    };

lib/models/practice_question.dart

@@ -0,0 +1,46 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'practice_question.g.dart';
+
+@JsonSerializable()
+class PracticeQuestion {
+  final int? id;
+
+  final int? points;
+
+  final String? tips;
+
+  @JsonKey(name: 'set_id')
+  final int? setId;
+
+  @JsonKey(name: 'question_id')
+  final int? questionId;
+
+  @JsonKey(name: 'display_order')
+  final int? displayOrder;
+
+  @JsonKey(name: 'question_text')
+  final String? questionText;
+
+  @JsonKey(name: 'question_type')
+  final String? questionType;
+
+  @JsonKey(name: 'question_status')
+  final String? questionStatus;
+
+  const PracticeQuestion(
+      {this.id,
+      this.tips,
+      this.setId,
+      this.points,
+      this.questionId,
+      this.questionText,
+      this.questionType,
+      this.displayOrder,
+      this.questionStatus});
+
+  factory PracticeQuestion.fromJson(Map<String, dynamic> json) =>
+      _$PracticeQuestionFromJson(json);
+
+  Map<String, dynamic> toJson() => _$PracticeQuestionToJson(this);
+}

lib/models/practice_question.g.dart

@@ -0,0 +1,33 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'practice_question.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+PracticeQuestion _$PracticeQuestionFromJson(Map<String, dynamic> json) =>
+    PracticeQuestion(
+      id: (json['id'] as num?)?.toInt(),
+      tips: json['tips'] as String?,
+      setId: (json['set_id'] as num?)?.toInt(),
+      points: (json['points'] as num?)?.toInt(),
+      questionId: (json['question_id'] as num?)?.toInt(),
+      questionText: json['question_text'] as String?,
+      questionType: json['question_type'] as String?,
+      displayOrder: (json['display_order'] as num?)?.toInt(),
+      questionStatus: json['question_status'] as String?,
+    );
+
+Map<String, dynamic> _$PracticeQuestionToJson(PracticeQuestion instance) =>
+    <String, dynamic>{
+      'id': instance.id,
+      'points': instance.points,
+      'tips': instance.tips,
+      'set_id': instance.setId,
+      'question_id': instance.questionId,
+      'display_order': instance.displayOrder,
+      'question_text': instance.questionText,
+      'question_type': instance.questionType,
+      'question_status': instance.questionStatus,
+    };

lib/models/user_model.dart

@@ -12,12 +12,10 @@ class UserModel {
 
   final String? country;
 
-
   final String? occupation;
 
   final bool? userInfoLoaded;
 
-
   @JsonKey(name: 'user_id')
   final int? userId;
 
@@ -55,10 +53,41 @@ class UserModel {
     this.accessToken,
     this.refreshToken,
     this.profilePicture,
-    this.userInfoLoaded ,
+    this.userInfoLoaded,
     this.profileCompleted,
   });
 
+  UserModel copyWith(
+          {int? userId,
+          String? email,
+          String? gender,
+          String? region,
+          String? country,
+          String? lastName,
+          String? birthday,
+          String? firstName,
+          String? occupation,
+          String? accessToken,
+          String? refreshToken,
+          bool? userInfoLoaded,
+          bool? profileCompleted,
+          String? profilePicture}) =>
+      UserModel(
+          email: email ?? this.email,
+          userId: userId ?? this.userId,
+          gender: gender ?? this.gender,
+          region: region ?? this.region,
+          country: country ?? this.country,
+          lastName: lastName ?? this.lastName,
+          birthday: birthday ?? this.birthday,
+          firstName: firstName ?? this.firstName,
+          occupation: occupation ?? this.occupation,
+          accessToken: accessToken ?? this.accessToken,
+          refreshToken: refreshToken ?? this.refreshToken,
+          userInfoLoaded: userInfoLoaded ?? this.userInfoLoaded,
+          profilePicture: profilePicture ?? this.profilePicture,
+          profileCompleted: profileCompleted ?? this.profileCompleted);
+
   factory UserModel.fromJson(Map<String, dynamic> json) =>
       _$UserModelFromJson(json);
 

lib/models/user_model.g.dart

@@ -19,8 +19,8 @@ UserModel _$UserModelFromJson(Map<String, dynamic> json) => UserModel(
       accessToken: json['access_token'] as String?,
       refreshToken: json['refresh_token'] as String?,
       profilePicture: json['profile_picture_url'] as String?,
+      userInfoLoaded: json['userInfoLoaded'] as bool?,
       profileCompleted: json['profile_completed'] as bool?,
-      userInfoLoaded: json['userInfoLoaded'] as bool? ?? false,
     );
 
 Map<String, dynamic> _$UserModelToJson(UserModel instance) => <String, dynamic>{

lib/services/api_service.dart

@@ -1,5 +1,12 @@
 import 'package:dio/dio.dart';
 import 'package:yimaru_app/models/assessment.dart';
+import 'package:yimaru_app/models/course_subcategory.dart';
+import 'package:yimaru_app/models/course_category.dart';
+import 'package:yimaru_app/models/course_lesson.dart';
+import 'package:yimaru_app/models/course_progress.dart';
+import 'package:yimaru_app/models/course.dart';
+import 'package:yimaru_app/models/practice.dart';
+import 'package:yimaru_app/models/practice_question.dart';
 import 'package:yimaru_app/models/user_model.dart';
 import 'package:yimaru_app/services/dio_service.dart';
 import 'package:yimaru_app/ui/common/app_constants.dart';
@@ -8,13 +15,15 @@ import '../app/app.locator.dart';
 import '../ui/common/enmus.dart';
 
 class ApiService {
+  // Dependency injection
   final _service = locator<DioService>();
 
   // Register
-  Future<Map<String, dynamic>> registerWithEmail(Map<String, dynamic> data) async {
+  Future<Map<String, dynamic>> registerWithEmail(
+      Map<String, dynamic> data) async {
     try {
       Response response = await _service.dio.post(
-        '$kBaseUrl/$kUserUrl/$kRegisterUrl',
+        '$kBaseUrl/$kUserBaseUrl/$kRegisterUrl',
         data: data,
       );
 
@@ -37,8 +46,8 @@ class ApiService {
     }
   }
 
-  // Email Login
+  // Email login
-  Future<Map<String, dynamic>> emailLogin(Map<String, dynamic> data) async {
+  Future<Map<String, dynamic>> login(Map<String, dynamic> data) async {
     try {
       Response response = await _service.dio.post(
         '$kBaseUrl/$kLoginUrl',
@@ -97,7 +106,7 @@ class ApiService {
   Future<Map<String, dynamic>> verifyOtp(Map<String, dynamic> data) async {
     try {
       Response response = await _service.dio.post(
-        '$kBaseUrl/$kUserUrl/$kVerifyOtpUrl',
+        '$kBaseUrl/$kUserBaseUrl/$kVerifyOtpUrl',
         data: data,
       );
       if (response.statusCode == 200) {
@@ -124,7 +133,7 @@ class ApiService {
   Future<Map<String, dynamic>> resendOtp(Map<String, dynamic> data) async {
     try {
       Response response = await _service.dio.post(
-        '$kBaseUrl/$kUserUrl/$kResendOtpUrl',
+        '$kBaseUrl/$kUserBaseUrl/$kResendOtpUrl',
         data: data,
       );
 
@@ -152,7 +161,7 @@ class ApiService {
       Map<String, dynamic> data) async {
     try {
       Response response = await _service.dio.post(
-        '$kBaseUrl/$kUserUrl/$kRequestResetCode',
+        '$kBaseUrl/$kUserBaseUrl/$kRequestResetCode',
         data: data,
       );
 
@@ -179,7 +188,7 @@ class ApiService {
   Future<Map<String, dynamic>> resetPassword(Map<String, dynamic> data) async {
     try {
       Response response = await _service.dio.post(
-        '$kBaseUrl/$kUserUrl/$kResetPassword',
+        '$kBaseUrl/$kUserBaseUrl/$kResetPassword',
         data: data,
       );
 
@@ -206,7 +215,7 @@ class ApiService {
   Future<Map<String, dynamic>> getProfileStatus(UserModel? user) async {
     try {
       Response response = await _service.dio.get(
-        '$kBaseUrl/$kUserUrl/${user?.userId}/$kProfileStatusUrl',
+        '$kBaseUrl/$kUserBaseUrl/${user?.userId}/$kProfileStatusUrl',
       );
 
       if (response.statusCode == 200) {
@@ -233,7 +242,7 @@ class ApiService {
   Future<Map<String, dynamic>> getProfileData(int? userId) async {
     try {
       Response response = await _service.dio.get(
-        '$kBaseUrl/$kUserUrl/$kGetUserUrl/$userId',
+        '$kBaseUrl/$kUserBaseUrl/$kGetUserUrl',
       );
 
       if (response.statusCode == 200) {
@@ -261,7 +270,7 @@ class ApiService {
       Map<String, dynamic> data) async {
     try {
       Response response = await _service.dio.put(
-        '$kBaseUrl/$kUserUrl',
+        '$kBaseUrl/$kUserBaseUrl',
         data: data,
       );
 
@@ -291,7 +300,7 @@ class ApiService {
       late FormData formData;
       if (data['profile_picture_url']
           .toString()
-          .contains('com.example.yimaru_app/')) {
+          .contains('com.yimaru.lms.app/')) {
         formData = FormData.fromMap({
           'file': data['profile_picture_url'].toString().isNotEmpty
               ? MultipartFile.fromFileSync(
@@ -313,7 +322,7 @@ class ApiService {
         });
       }
       Response response = await _service.dio.post(
-        '$kBaseUrl/$kUserUrl/$userId/$kUpdateProfileImage',
+        '$kBaseUrl/$kUserBaseUrl/$userId/$kUpdateProfileImage',
         data: formData,
       );
 
@@ -359,4 +368,195 @@ class ApiService {
       return [];
     }
   }
+
+  // Course categories
+  Future<List<CourseCategory>> getCourseCategories() async {
+    try {
+      List<CourseCategory> categories = [];
+
+      final Response response = await _service.dio
+          .get('$kBaseUrl/$kCourseBaseUrl/$kCourseCategoryUrl');
+
+      if (response.statusCode == 200) {
+        var data = response.data;
+        var decodedData = data['data']['categories'] as List;
+        categories = decodedData.map(
+          (e) {
+            return CourseCategory.fromJson(e);
+          },
+        ).toList();
+        return categories;
+      }
+      return [];
+    } catch (e) {
+      return [];
+    }
+  }
+
+  // Course subcategory
+  Future<List<CourseSubcategory>> getCourseSubcategories(int id) async {
+    try {
+      List<CourseSubcategory> subcategories = [];
+
+      final Response response = await _service.dio.get(
+          '$kBaseUrl/$kCourseBaseUrl/$kCourseCategoryUrl/$id/$kCoursesUrl');
+
+      if (response.statusCode == 200) {
+        var data = response.data;
+        var decodedData = data['data']['courses'] as List;
+        subcategories = decodedData.map(
+          (e) {
+            return CourseSubcategory.fromJson(e);
+          },
+        ).toList();
+        return subcategories;
+      }
+      return [];
+    } catch (e) {
+      return [];
+    }
+  }
+
+  // Sub-courses
+  Future<List<Course>> getCourses(int id) async {
+    try {
+      List<Course> courses = [];
+
+      final Response response = await _service.dio
+          .get('$kBaseUrl/$kCourseBaseUrl/$kCoursesUrl/$id/$kSubcoursesUrl');
+
+      if (response.statusCode == 200) {
+        var data = response.data;
+        var decodedData = data['data']['sub_courses'] as List;
+        courses = decodedData.map(
+          (e) {
+            return Course.fromJson(e);
+          },
+        ).toList();
+        return courses;
+      }
+      return [];
+    } catch (e) {
+      return [];
+    }
+  }
+
+  // Course progress
+  Future<List<CourseProgress>> getCourseProgress(int id) async {
+    try {
+      List<CourseProgress> courseProgress = [];
+
+      final Response response =
+          await _service.dio.get('$kBaseUrl/$kCourseProgressUrl/$id');
+
+      if (response.statusCode == 200) {
+        var data = response.data;
+        var decodedData = data['data'] as List;
+        courseProgress = decodedData.map(
+          (e) {
+            return CourseProgress.fromJson(e);
+          },
+        ).toList();
+        return courseProgress;
+      }
+      return [];
+    } catch (e) {
+      return [];
+    }
+  }
+
+  // Course videos
+  Future<List<CourseLesson>> getCourseLessons(int id) async {
+    try {
+      List<CourseLesson> courseLessons = [];
+
+      final Response response = await _service.dio.get(
+          '$kBaseUrl/$kCourseBaseUrl/$kSubcoursesUrl/$id/$kPublishedVideos');
+
+      if (response.statusCode == 200) {
+        var data = response.data;
+        var decodedData = data['data'] as List;
+        courseLessons = decodedData.map(
+          (e) {
+            return CourseLesson.fromJson(e);
+          },
+        ).toList();
+        return courseLessons;
+      }
+      return [];
+    } catch (e) {
+      return [];
+    }
+  }
+
+  // Complete lesson
+  Future<Map<String, dynamic>> completeLesson(int id) async {
+    try {
+      Response response = await _service.dio.post(
+        '$kBaseUrl/$kLessonProgressUrl/$id/$kCompleteLessonUrl',
+      );
+
+      if (response.statusCode == 200) {
+        return {'status': ResponseStatus.success, 'message': 'Video completed'};
+      } else {
+        return {
+          'status': ResponseStatus.failure,
+          'message': 'Unknown Error Occurred'
+        };
+      }
+    } on DioException catch (e) {
+      return {
+        'status': ResponseStatus.failure,
+        'message': e.response?.data.toString(),
+      };
+    }
+  }
+
+  // Course practices
+  Future<List<Practice>> getCoursePractices(Map<String, dynamic> data) async {
+    try {
+      List<Practice> coursePractices = [];
+
+      final Response response = await _service.dio
+          .get('$kBaseUrl/$kPracticeBaseUrl/$kCoursePractice', data: data);
+
+      if (response.statusCode == 200) {
+        var data = response.data;
+        var decodedData = data['data'] as List;
+        coursePractices = decodedData.map(
+          (e) {
+            return Practice.fromJson(e);
+          },
+        ).toList();
+        return coursePractices;
+      }
+      return [];
+    } catch (e) {
+      return [];
+    }
+  }
+
+  // Course practic questions
+  Future<List<PracticeQuestion>> getCoursePracticeQuestions(int id) async {
+    try {
+      List<PracticeQuestion> coursePracticeQuestions = [];
+
+      final Response response = await _service.dio
+          .get('$kBaseUrl/$kPracticeBaseUrl/$id/$kCoursePracticeQuestions');
+
+      if (response.statusCode == 200) {
+        var data = response.data;
+        var decodedData = data['data'] as List;
+        coursePracticeQuestions = decodedData.map(
+          (e) {
+            return PracticeQuestion.fromJson(e);
+          },
+        ).toList();
+        return coursePracticeQuestions;
+      }
+      return [];
+    } catch (e) {
+      return [];
+    }
+  }
 }

lib/services/audio_player_service.dart

@@ -0,0 +1,41 @@
+import 'package:audioplayers/audioplayers.dart';
+import 'package:stacked/stacked.dart';
+
+import '../ui/common/helper_functions.dart';
+
+class AudioPlayerService with ListenableServiceMixin {
+  final AudioPlayer _player = AudioPlayer();
+
+  AudioPlayer get player => _player;
+
+  AudioPlayerService() {
+    _player.setReleaseMode(ReleaseMode.stop);
+  }
+
+  // Streams
+  Stream<Duration> get positionStream => _player.onPositionChanged;
+  Stream<Duration> get durationStream => _player.onDurationChanged;
+
+  // Optional: player state
+  Stream<PlayerState> get stateStream => _player.onPlayerStateChanged;
+
+  Future<void> playUrl(String url) async {
+    final playableUrl = getPlayableUrl(url);
+
+    if (playableUrl == null) {
+      throw Exception("Invalid audio URL");
+    }
+
+    await _player.play(UrlSource(playableUrl));
+  }
+
+  Future<void> playLocal(String url) async {
+
+
+    await _player.play(UrlSource(url));
+  }
+
+  Future<void> pause() async => await _player.pause();
+
+  Future<void> seek(Duration position) async => await _player.seek(position);
+}

lib/services/authentication_service.dart

@@ -4,16 +4,20 @@ import 'package:yimaru_app/models/user_model.dart';
 import 'package:yimaru_app/services/secure_storage_service.dart';
 
 class AuthenticationService with ListenableServiceMixin {
+  // Dependency injection
   final _secureService = locator<SecureStorageService>();
 
-  AuthenticationService() {
+  // User data
-    listenToReactiveValues([_user]);
-  }
-
   UserModel? _user;
 
   UserModel? get user => _user;
 
+  // Initialization
+  AuthenticationService() {
+    listenToReactiveValues([_user]);
+  }
+
+  // Check user logged in
   Future<bool> userLoggedIn() async {
     if (await _secureService.getString('userId') != null) {
       return true;
@@ -21,14 +25,18 @@ class AuthenticationService with ListenableServiceMixin {
     return false;
   }
 
+  // Get access token
   Future<String?> getAccessToken() async =>
       await _secureService.getString('accessToken');
 
+  // Get refresh token
   Future<String?> getRefreshToken() async =>
       await _secureService.getString('refreshToken');
 
+  // Get user id
   Future<int?> getUserId() async => await _secureService.getInt('userId');
 
+  // Save tokens
   Future<void> saveTokens({
     required String access,
     required String refresh,
@@ -37,7 +45,7 @@ class AuthenticationService with ListenableServiceMixin {
     await _secureService.setString('refreshToken', refresh);
   }
 
-
+  // Save user credential
   Future<void> saveUserCredential(Map<String, dynamic> data) async {
     await _secureService.setInt('userId', data['userId']);
     await _secureService.setString('accessToken', data['accessToken']);
@@ -50,10 +58,16 @@ class AuthenticationService with ListenableServiceMixin {
     );
   }
 
+  // Save profile status
   Future<void> saveProfileStatus(bool value) async {
     await _secureService.setBool('profileCompleted', value);
 
-    _user = UserModel(
+    _user = _user?.copyWith(
+      userInfoLoaded: _user?.userInfoLoaded ?? false,
+      profileCompleted: await _secureService.getBool('profileCompleted'),
+    );
+
+    /* UserModel(
         email: _user?.email,
         gender: _user?.gender,
         region: _user?.region,
@@ -68,12 +82,18 @@ class AuthenticationService with ListenableServiceMixin {
         profilePicture: _user?.profilePicture,
         userInfoLoaded: _user?.userInfoLoaded ?? false,
         profileCompleted: await _secureService.getBool('profileCompleted'));
+        */
     notifyListeners();
   }
 
-  Future<void> saveProfileImage(String image) async {
+  Future<void> saveProfilePicture(String image) async {
-    await _secureService.setString('profileImage', image);
+    await _secureService.setString('profilePicture', image);
-    _user = UserModel(
+    _user = _user?.copyWith(
+      userInfoLoaded: _user?.userInfoLoaded ?? false,
+      profilePicture: await _secureService.getString('profilePicture'),
+    );
+
+    /*UserModel(
       email: _user?.email,
       gender: _user?.gender,
       region: _user?.region,
@@ -87,18 +107,16 @@ class AuthenticationService with ListenableServiceMixin {
       refreshToken: _user?.refreshToken,
       profileCompleted: _user?.profileCompleted,
       userInfoLoaded: _user?.userInfoLoaded ?? false,
-      profilePicture: await _secureService.getString('profileImage'),
+      profilePicture: await _secureService.getString('profilePicture'),
     );
-
+*/
     notifyListeners();
   }
 
-  Future<void> saveUserData(
+  Future<void> saveUserData(UserModel data) async {
-      {required String image, required UserModel data}) async {
     await _secureService.setBool('userInfoLoaded', true);
     await _secureService.setBool(
         'profileCompleted', data.profileCompleted ?? false);
-    await _secureService.setString('profilePicture', image);
     await _secureService.setString('email', data.email ?? '');
     await _secureService.setString('region', data.region ?? '');
     await _secureService.setString('gender', data.gender ?? '');
@@ -113,7 +131,6 @@ class AuthenticationService with ListenableServiceMixin {
       gender: data.gender,
       region: data.region,
       userInfoLoaded: true,
-      profilePicture: image,
       userId: _user?.userId,
       country: data.country,
       lastName: data.lastName,
@@ -137,7 +154,17 @@ class AuthenticationService with ListenableServiceMixin {
     await _secureService.setString('firstName', data['first_name']);
     await _secureService.setString('occupation', data['occupation']);
 
-    _user = UserModel(
+    _user = _user?.copyWith(
+      region: await _secureService.getString('region'),
+      gender: await _secureService.getString('gender'),
+      country: await _secureService.getString('country'),
+      lastName: await _secureService.getString('lastName'),
+      birthday: await _secureService.getString('birthday'),
+      firstName: await _secureService.getString('firstName'),
+      occupation: await _secureService.getString('occupation'),
+    );
+
+    /*UserModel(
       email: _user?.email,
       userId: _user?.userId,
       accessToken: _user?.accessToken,
@@ -151,7 +178,7 @@ class AuthenticationService with ListenableServiceMixin {
       birthday: await _secureService.getString('birthday'),
       firstName: await _secureService.getString('firstName'),
       occupation: await _secureService.getString('occupation'),
-    );
+    );*/
     notifyListeners();
   }
 
@@ -175,14 +202,14 @@ class AuthenticationService with ListenableServiceMixin {
       occupation: await _secureService.getString('occupation'),
       accessToken: await _secureService.getString('accessToken'),
       refreshToken: await _secureService.getString('refreshToken'),
-      profilePicture: await _secureService.getString('profileImage'),
       userInfoLoaded: await _secureService.getBool('userInfoLoaded'),
+      profilePicture: await _secureService.getString('profilePicture'),
       profileCompleted: await _secureService.getBool('profileCompleted'),
     );
     return _user;
   }
 
-  Future<void> logOut() async {
+  Future<void> logout() async {
     bool firstTimeInstall = await isFirstTimeInstall();
     _user = null;
     await _secureService.clear();

lib/services/course_service.dart

@@ -0,0 +1,25 @@
+import 'package:yimaru_app/app/app.locator.dart';
+import 'package:yimaru_app/models/course_progress.dart';
+import 'package:yimaru_app/services/api_service.dart';
+
+import '../models/course_detail.dart';
+
+class CourseService {
+  final _apiService = locator<ApiService>();
+
+  Future<List<CourseDetail>> getCoursesDetail(int id) async {
+    final courses = await _apiService.getCourses(id);
+    final progress = await _apiService.getCourseProgress(id);
+
+    final progressMap = {
+      for (var p in progress.whereType<CourseProgress>()) p.courseId: p
+    };
+
+    return courses.map((course) {
+      return CourseDetail(
+        course: course,
+        courseProgress: progressMap[course.id],
+      );
+    }).toList();
+  }
+}

lib/services/dio_service.dart

@@ -9,15 +9,21 @@ import '../app/app.locator.dart';
 import '../ui/common/app_constants.dart';
 
 class DioService {
+  // Dependency injection
   final _navigationService = locator<NavigationService>();
   final _authenticationService = locator<AuthenticationService>();
 
+  // Initialization
   final Dio _dio = Dio();
+
+  Dio get dio => _dio;
+
   final Dio _refreshDio = Dio(); // separate instance
 
   bool _isRefreshing = false;
   final List<void Function()> _retryQueue = [];
 
+  // Initialization
   DioService() {
     _dio.options
       ..baseUrl = kBaseUrl
@@ -33,6 +39,7 @@ class DioService {
     );
   }
 
+  // Response logger
   void _onResponse(
     Response response,
     ResponseInterceptorHandler handler,
@@ -69,6 +76,7 @@ class DioService {
     handler.next(options);
   }
 
+  // Error logger
   Future<void> _onError(
     DioException error,
     ErrorInterceptorHandler handler,
@@ -125,6 +133,7 @@ class DioService {
     }
   }
 
+  // Refresh token
   Future<bool> _refreshToken() async {
     final UserModel? user = await _authenticationService.getUser();
 
@@ -149,15 +158,14 @@ class DioService {
 
       return true;
     } catch (e) {
-      await _authenticationService.logOut();
+      await _authenticationService.logout();
       await _navigationService.replaceWithLoginView();
       return false;
     }
   }
 
+  // Check request if immediately after token refreshed
   bool _isRefreshRequest(RequestOptions options) {
     return options.path.contains(kRefreshTokenUrl);
   }
-
-  Dio get dio => _dio;
 }

lib/services/google_auth_service.dart

@@ -1,21 +1,39 @@
 import 'package:google_sign_in/google_sign_in.dart';
+import 'package:stacked/stacked.dart';
 import 'package:yimaru_app/ui/common/app_constants.dart';
 
-class GoogleAuthService {
+class GoogleAuthService with ListenableServiceMixin {
-  final GoogleSignIn signIn = GoogleSignIn.instance;
+  // Initialization
+  final GoogleSignIn _signIn = GoogleSignIn.instance;
 
-  Future<GoogleSignInAccount?> googleAuth() async {
+  GoogleSignInAccount? _googleUser;
+
+  GoogleSignInAccount? get googleUser => _googleUser;
+
+  // Initialization
+  GoogleAuthService() {
+    listenToReactiveValues([_googleUser]);
+  }
+
+  // Google logout
+  Future<void> logout() async {
+    await _signIn.signOut();
+    _googleUser = null;
+    notifyListeners();
+  }
+
+  // Google authentication
+  Future<void> googleAuth() async {
     try {
-      GoogleSignInAccount? googleUser;
+      await _signIn.initialize(serverClientId: kServerClientId).then((_) async {
-      await signIn.initialize(serverClientId: kServerClientId).then((_) async {
+        _googleUser = await _signIn.attemptLightweightAuthentication();
-        googleUser = await signIn.attemptLightweightAuthentication();
 
-        googleUser ??=
+        _googleUser ??=
-            await signIn.authenticate(scopeHint: ['email', 'profile']);
+            await _signIn.authenticate(scopeHint: ['email', 'profile']);
       });
-      return googleUser;
+      notifyListeners();
     } catch (e) {
-      return null;
+      rethrow;
     }
   }
 }

lib/services/image_downloader_service.dart

@@ -9,8 +9,10 @@ import '../ui/common/app_constants.dart';
 import 'dio_service.dart';
 
 class ImageDownloaderService {
+  // Dependency injection
   final _service = locator<DioService>();
 
+  // Image downloader
   Future<String> downloader(String? networkImage) async {
     late File image;
 

lib/services/image_picker_service.dart

@@ -6,10 +6,13 @@ import '../app/app.locator.dart';
 import '../ui/common/ui_helpers.dart';
 
 class ImagePickerService {
+  // Dependency injection
   final _permissionHandler = locator<PermissionHandlerService>();
 
+  // Initialization
   final ImagePicker _picker = ImagePicker();
 
+  // Pick image from gallery
   Future<String?> gallery() async {
     try {
       PermissionStatus status =
@@ -32,6 +35,7 @@ class ImagePickerService {
     }
   }
 
+  // Pick image from camera
   Future<String?> camera() async {
     try {
       PermissionStatus status =

lib/services/notification_service.dart

@@ -0,0 +1,138 @@
+import 'package:firebase_messaging/firebase_messaging.dart';
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
+import 'package:yimaru_app/app/app.locator.dart';
+
+@pragma('vm:entry-point')
+Future<void> _firebaseMessagingBackgroundHandler(RemoteMessage message) async {
+  await locator<NotificationService>().setupFlutterNotifications();
+  await locator<NotificationService>().showNotification(message);
+}
+
+class NotificationService {
+  final _messaging = FirebaseMessaging.instance;
+
+  bool _isFlutterLocalNotificationInitialized = false;
+
+  final _localNotifications = FlutterLocalNotificationsPlugin();
+
+  Future<void> initialize() async {
+    // Initialize FCM token
+    await updateFCMToken();
+
+    FirebaseMessaging.onBackgroundMessage(_firebaseMessagingBackgroundHandler);
+
+    // Request permission
+    await _requestPermission();
+
+    // setup message handle
+    await _setupMessageHandler();
+
+    // Subscribe to all devices
+    subscribeToTopic('yimaru');
+  }
+
+  Future<void> _requestPermission() async {
+    await _messaging.requestPermission(
+        alert: true,
+        badge: true,
+        sound: true,
+        carPlay: false,
+        provisional: false,
+        announcement: false,
+        criticalAlert: false);
+  }
+
+  Future<void> setupFlutterNotifications() async {
+    if (_isFlutterLocalNotificationInitialized) {
+      return;
+    }
+
+    //  Android setup
+    const channel = AndroidNotificationChannel(
+      'yimaru', // id
+      'Yimaru', // title
+      importance: Importance.high,
+    );
+
+    await _localNotifications
+        .resolvePlatformSpecificImplementation<
+            AndroidFlutterLocalNotificationsPlugin>()
+        ?.createNotificationChannel(channel);
+
+    const initializationSettingsAndroid =
+        AndroidInitializationSettings('@mipmap/ic_launcher');
+
+    // IOS setup
+    const initializationSettingsDarwin = DarwinInitializationSettings();
+
+    const initializationSettings = InitializationSettings(
+        android: initializationSettingsAndroid,
+        iOS: initializationSettingsDarwin);
+
+    // Flutter notification setup
+    await _localNotifications.initialize(
+      settings: initializationSettings,
+      onDidReceiveNotificationResponse: (NotificationResponse response) {
+        if (response.payload == 'Page') {
+          // navigatorKey.currentState?.pushNamed('RouteName');
+        }
+      },
+    );
+
+    _isFlutterLocalNotificationInitialized = true;
+  }
+
+  Future<void> showNotification(RemoteMessage message) async {
+    RemoteNotification? notification = message.notification;
+    AndroidNotification? android = message.notification?.android;
+
+    if (notification != null && android != null) {
+      await _localNotifications.show(
+        id: notification.hashCode,
+        title: notification.title,
+        body: notification.body,
+        notificationDetails: const NotificationDetails(
+            android: AndroidNotificationDetails('yimaru', 'Yimaru',
+                enableVibration: true,
+                priority: Priority.high,
+                icon: '@mipmap/ic_launcher',
+                importance: Importance.high),
+            iOS: DarwinNotificationDetails(
+                presentAlert: true, presentBadge: true, presentSound: true)),
+      );
+    }
+  }
+
+  Future<void> _setupMessageHandler() async {
+    // Foreground message
+    FirebaseMessaging.onMessage
+        .listen((RemoteMessage message) => showNotification(message));
+
+    // Background message
+    FirebaseMessaging.onMessageOpenedApp.listen(_handleBackgroundMessage);
+
+    // Opened app
+    final initialMessage = await _messaging.getInitialMessage();
+
+    if (initialMessage != null) {
+      _handleBackgroundMessage(initialMessage);
+    }
+  }
+
+  void _handleBackgroundMessage(RemoteMessage message) {
+    if (message.data['type'] == 'Page') {
+      // navigatorKey.currentState?.pushNamed('RouteName');
+    }
+  }
+
+  Future<void> subscribeToTopic(String topic) async {
+    await FirebaseMessaging.instance.subscribeToTopic(topic);
+  }
+
+  Future<void> updateFCMToken() async {
+    //  print('DEVICE TOKEN: ${await _messaging.getToken()}');
+    _messaging.onTokenRefresh.listen((newToken) {
+      // updateTokenOnServer(newToken);
+    });
+  }
+}

lib/services/permission_handler_service.dart

@@ -3,6 +3,7 @@ import 'package:permission_handler/permission_handler.dart';
 import '../ui/common/ui_helpers.dart';
 
 class PermissionHandlerService {
+  // Check permission category
   Future<PermissionStatus> requestPermission(
       Permission requestedPermission) async {
     if (requestedPermission == Permission.camera) {
@@ -17,6 +18,7 @@ class PermissionHandlerService {
     return PermissionStatus.denied;
   }
 
+  // Request permission
   Future<PermissionStatus> request(Permission permission) async {
     if (await permission.isDenied) {
       final PermissionStatus status = await permission.request();

lib/services/secure_storage_service.dart

@@ -15,8 +15,7 @@ extension BoolParsing on String {
 }
 
 class SecureStorageService {
-  // Create storage
+  // Initialization
-
   late final FlutterSecureStorage _storage;
 
   SecureStorageService() {
@@ -31,33 +30,40 @@ class SecureStorageService {
           );
   }
 
+  // Clear storage data
   Future<void> clear() async {
     _storage.deleteAll();
   }
 
+  // Get boolean data from storage
   Future<bool?> getBool(String key) async {
     String? result = await _storage.read(key: key);
     return result?.parseBool();
   }
 
+  // Get string data from storage
   Future<String?> getString(String key) async {
     return await _storage.read(key: key);
   }
 
+  // Get integer data from storage
   Future<int?> getInt(String key) async {
     return await _storage.read(key: key) == null
         ? null
         : int.parse(await _storage.read(key: key) ?? '0');
   }
 
+  // Save string data to storage
   Future<void> setString(String key, String value) async {
     await _storage.write(key: key, value: value);
   }
 
+  // Save integer data to storage
   Future<void> setInt(String key, int value) async {
     await _storage.write(key: key, value: value.toString());
   }
 
+  // Save boolean data to storage
   Future<void> setBool(String key, bool value) async {
     await _storage.write(key: key, value: value.toString());
   }

lib/services/smart_auth_service.dart

@@ -0,0 +1,26 @@
+import 'package:pinput/pinput.dart';
+import 'package:smart_auth/smart_auth.dart';
+
+class SmartAuthService implements SmsRetriever {
+  final SmartAuth _smartAuth = SmartAuth.instance;
+
+  @override
+  Future<void> dispose() => _smartAuth.removeUserConsentApiListener();
+
+  @override
+  Future<String?> getSmsCode() async {
+    final res = await _smartAuth.getSmsWithUserConsentApi();
+    if (res.hasData) {
+      final code = res.requireData.code;
+
+      return code;
+    } else if (res.isCanceled) {
+      return null;
+    } else {
+      return null;
+    }
+  }
+
+  @override
+  bool get listenForMultipleSms => true;
+}

lib/services/status_checker_service.dart

@@ -8,34 +8,28 @@ import 'package:yimaru_app/services/secure_storage_service.dart';
 import '../app/app.locator.dart';
 
 class StatusCheckerService {
+  // Dependency injection
   final storage = locator<SecureStorageService>();
 
+  // Initialization
   bool _previousConnection = true;
 
   bool get previousConnection => _previousConnection;
 
+  // Get phone battery level
   Future<int> getBatteryLevel() async {
     final battery = Battery();
     final batteryLevel = await battery.batteryLevel;
     return batteryLevel;
   }
 
-  Future<bool> userAuthenticated() async {
+  // Check internet connection
-    await checkAndUpdate();
-
-    if (await storage.getString('authenticated') != null) {
-      return true;
-    }
-    return false;
-  }
-
   Future<bool> checkConnection() async {
     if (await InternetConnection().hasInternetAccess) {
       _previousConnection = true;
       return true;
     } else {
       if (_previousConnection) {
-        // showErrorToast('Check your internet connection');
         _previousConnection = false;
       }
 
@@ -43,6 +37,7 @@ class StatusCheckerService {
     }
   }
 
+  // Check phone available storage
   Future<int> getAvailableStorage() async {
     try {
       final availableStorage =
@@ -53,6 +48,7 @@ class StatusCheckerService {
     }
   }
 
+  // Check for latest update
   Future<void> checkAndUpdate() async {
     const requiredStorage = 500 * 1024 * 1024;
 
@@ -62,16 +58,12 @@ class StatusCheckerService {
         await getAvailableStorage(); // Implement getAvailableStorage
     if (batteryLevel < 20 || storageAvailable < requiredStorage) {
       if (batteryLevel < 20 || storageAvailable < requiredStorage) {
-        // KewedeConst().showErrorToast(
         //     'Unable to update app, please charge your phone & free up space.');
       } else if (batteryLevel < 20) {
-        // KewedeConst()
         //     .showErrorToast('Unable to update app, please charge your phone.');
       } else if (storageAvailable < requiredStorage) {
-        // KewedeConst()
         //     .showErrorToast('Unable to update app, please free up space.');
       }
-      // Show user-friendly message explaining why update failed and suggesting solutions (e.g., charge device, free up space)
       return; // Prevent update from starting
     }
     try {

lib/services/voice_recorder_service.dart

@@ -0,0 +1,35 @@
+import 'package:stacked/stacked.dart';
+import 'package:waveform_recorder/waveform_recorder.dart';
+import 'package:yimaru_app/ui/common/enmus.dart';
+
+class VoiceRecorderService with ListenableServiceMixin {
+  VoiceRecordingState _recordingState = VoiceRecordingState.pending;
+
+  VoiceRecordingState get recordingState => _recordingState;
+
+  final WaveformRecorderController _waveController =
+      WaveformRecorderController();
+
+  WaveformRecorderController get waveController => _waveController;
+
+
+  Future<void> startRecording() async {
+
+    await _waveController.startRecording();
+    _recordingState = VoiceRecordingState.recording;
+    notifyListeners();
+  }
+
+  Future<void> stopRecording() async {
+    await _waveController.stopRecording();
+    _recordingState = VoiceRecordingState.pending;
+    notifyListeners();
+  }
+
+  Future<String?> getRecordedAudio() async {
+    final file = _waveController.file;
+    print('RECORDED $file');
+    if (file == null) return null;
+    return file.path;
+  }
+}

lib/ui/common/app_colors.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 
 const Color kcBlack = Colors.black;
 const Color kcRed = Color(0xffFF4C4C);
+const Color kcBlue = Color(0xff135BEC);
 const Color kcGreen = Color(0xFF1DE964);
 const Color kcBackgroundColor = kcWhite;
 const Color kcWhite = Color(0xFFFFFFFF);
@@ -10,6 +11,7 @@ const Color kcIndigo = Color(0xff6A1B9A);
 const Color kcOrange = Color(0xFFF79400);
 const Color kcSkyBlue = Color(0xFF28B4CD);
 const Color kcDarkGrey = Color(0xFF1A1B1E);
+const Color kcDeepGreen = Color(0xFF078E37);
 const Color kcMediumGrey = Color(0xFF474A54);
 const Color kcAquamarine = Color(0xFF1DE9B6);
 const Color kcTransparent = Colors.transparent;

lib/ui/common/app_constants.dart

@@ -1,34 +1,58 @@
-String kBaseUrl = 'http://195.35.29.82:8080';
+String kBaseUrl = 'https://api.yimaruacademy.com';
 //String baseUrl = 'https://api.yimaru.yaltopia.com';
 
-String kGetUserUrl = 'single';
+String kCoursesUrl = 'courses';
-
-String kUserUrl = 'api/v1/user';
 
 String kRegisterUrl = 'register';
 
+String kCoursePractice = 'by-owner';
+
+String kUserBaseUrl = 'api/v1/user';
+
 String kVerifyOtpUrl = 'verify-otp';
 
 String kResendOtpUrl = 'resend-otp';
 
+String kGetUserUrl = 'user-profile';
+
+String kSubcoursesUrl = 'sub-courses';
+
+String kCompleteLessonUrl = 'complete';
+
 String kResetPassword = 'resetPassword';
 
+String kCourseCategoryUrl = 'categories';
+
 String kRequestResetCode = 'sendResetCode';
 
+String kPublishedVideos = 'videos/published';
+
+String kCoursePracticeQuestions = 'questions';
+
 String kUpdateProfileImage = 'profile-picture';
 
 String kRefreshTokenUrl = 'api/v1/auth/refresh';
 
 String kLoginUrl = 'api/v1/auth/customer-login';
 
+String kPracticeBaseUrl = 'api/v1/question-sets';
+
 String kProfileStatusUrl = 'is-profile-completed';
 
+String kCourseBaseUrl = 'api/v1/course-management';
+
+String kLessonProgressUrl = 'api/v1/progress/videos';
+
 String kGoogleAuthUrl = 'api/v1/auth/google/android';
 
+String kCourseProgressUrl = 'api/v1/progress/courses';
+
 String kAssessmentsUrl = 'api/v1/assessment/questions';
 
-String kServerClientId =
+String kEmptyImagePath = '/data/user/0/com.yimaru.lms.app/app_flutter';
-    '574860813475-n5o17gpprdqmhcml99tiqhafb17rob0r.apps.googleusercontent.com';
 
 String kSampleVideoUrl =
     'https://flutter.github.io/assets-for-api-docs/assets/videos/bee.mp4';
+
+String kServerClientId =
+    '574860813475-n5o17gpprdqmhcml99tiqhafb17rob0r.apps.googleusercontent.com';

lib/ui/common/app_strings.dart

@@ -1,11 +1,17 @@
+const String ksHomeBottomSheetTitle = 'Build Great Apps!';
+
 const String ksSuggestion =
     "15 minutes a day can make you 3x more fluent in 3 month";
-const String ksHomeBottomSheetTitle = 'Build Great Apps!';
+
-const String ksPrivacyPolicy =
-    'A brief, simple overview of Yimaru’s commitment to user privacy. Our goal is to be transparent about the data we collect and how we use it to enhance your learning experience.';
 const String ksHomeBottomSheetDescription =
     'Stacked is built to help you build better apps. Give us a chance and we\'ll prove it to you. Check out stacked.filledstacks.com to learn more';
 
+const String ksPrivacyPolicy =
+    'A brief, simple overview of Yimaru’s commitment to user privacy. Our goal is to be transparent about the data we collect and how we use it to enhance your learning experience.';
+
+const String ksCategorySubtitle =
+    'Watch expert-led videos and reinforce your knowledge through guided practice activities.';
+
 const String ksTerms = """
 <p style="color:#9C2C91;font-size:13px;">
 Last updated: October 26, 2025

lib/ui/common/enmus.dart

@@ -1,26 +1,50 @@
-// Registration type
+// Login method
-enum RegistrationType { phone, email }
+enum LoginMethod { phone, email, google }
 
-// Report status
+// Response status
 enum ResponseStatus { success, failure }
 
-enum ProgressStatuses { pending, started, completed }
+// Sign-up method
+enum SignUpMethod { phone, email, google }
+
+// Voice recording state
+enum VoiceRecordingState { pending, recording }
 
 // Levels
 enum ProficiencyLevels { a1, a2, b1, b2, none }
 
+// Progress status
+enum ProgressStatuses { pending, started, completed }
+
+// Duolingo assessment types
+enum DuolingoAssessmentType { speaking, reading, writing, listening }
+
 // State object
 enum StateObjects {
+  none,
+  courses,
+  homeView,
+  register,
   verifyOtp,
   resendOtp,
   profileImage,
+  courseLessons,
   profileUpdate,
   resetPassword,
+  subcategories,
   loginWithEmail,
+  coursePractice,
   loginWithGoogle,
   loadLessonVideo,
+  loadCourseVideo,
   requestResetCode,
-  registerWithEmail,
+  courseCategories,
   profileCompletion,
   registerWithGoogle,
+  learnPracticeSample,
+  learnPracticeAnswer,
+  loginWithPhoneNumber,
+  learnPracticeQuestion,
+  recordLearnPracticeAnswer,
+
 }

lib/ui/common/helper_functions.dart

@@ -1,3 +1,9 @@
+// Split full name
+import 'dart:math';
+import 'dart:ui';
+
+import 'app_colors.dart';
+
 Map<String, String> splitFullName(String fullName) {
   final parts = fullName.trim().split(RegExp(r'\s+'));
 
@@ -15,3 +21,50 @@ Map<String, String> splitFullName(String fullName) {
     'last_name': parts.sublist(1).join(' '),
   };
 }
+
+Color getColor() {
+  final generator = Random();
+  int random = generator.nextInt(8);
+  if (random == 1) {
+    return kcRed.withValues(alpha: 0.2);
+  } else if (random == 2) {
+    return kcPrimaryColor.withValues(alpha: 0.2);
+  } else if (random == 3) {
+    return kcOrange.withValues(alpha: 0.2);
+  } else if (random == 4) {
+    return kcGreen.withValues(alpha: 0.2);
+  } else if (random == 5) {
+    return kcBlue.withValues(alpha: 0.2);
+  } else if (random == 6) {
+    return kcSkyBlue.withValues(alpha: 0.2);
+  } else if (random == 7) {
+    return kcIndigo.withValues(alpha: 0.2);
+  } else {
+    return kcAquamarine.withValues(alpha: 0.2);
+  }
+}
+
+String? getPlayableUrl(String url) {
+  try {
+    // Case 1: /file/d/FILE_ID/view
+    final fileIdRegex = RegExp(r'/file/d/([a-zA-Z0-9_-]+)');
+    final match1 = fileIdRegex.firstMatch(url);
+
+    if (match1 != null) {
+      final fileId = match1.group(1);
+      return "https://drive.google.com/uc?export=download&id=$fileId";
+    }
+
+    // Case 2: open?id=FILE_ID
+    final uri = Uri.parse(url);
+    if (uri.queryParameters.containsKey('id')) {
+      final fileId = uri.queryParameters['id'];
+      return "https://drive.google.com/uc?export=download&id=$fileId";
+    }
+
+    // Already converted or normal URL
+    return url;
+  } catch (e) {
+    return null;
+  }
+}

lib/ui/common/ui_helpers.dart

@@ -1,8 +1,9 @@
 import 'dart:math';
+
 import 'package:chewie/chewie.dart';
+import 'package:flutter/material.dart';
 import 'package:flutter_html/flutter_html.dart';
 import 'package:intl/intl.dart';
-import 'package:flutter/material.dart';
 import 'package:pinput/pinput.dart';
 import 'package:toastification/toastification.dart';
 import 'package:yimaru_app/ui/common/app_colors.dart';
@@ -178,6 +179,12 @@ TextStyle style18P600 = const TextStyle(
   fontWeight: FontWeight.w600,
 );
 
+TextStyle style16W600 = const TextStyle(
+  fontSize: 16,
+  color: kcWhite,
+  fontWeight: FontWeight.w600,
+);
+
 TextStyle style18W600 = const TextStyle(
   fontSize: 18,
   color: kcWhite,
@@ -190,6 +197,11 @@ TextStyle style25W600 = const TextStyle(
   fontWeight: FontWeight.w600,
 );
 
+TextStyle style12RP600 = const TextStyle(
+  fontSize: 12,
+  color: kcPrimaryColor,
+  fontWeight: FontWeight.w600,
+);
 
 TextStyle style12R700 = const TextStyle(
   fontSize: 12,
@@ -197,10 +209,24 @@ TextStyle style12R700 = const TextStyle(
   fontWeight: FontWeight.w700,
 );
 
+TextStyle style12P400 = const TextStyle(
+  fontSize: 12,
+  color: kcPrimaryColor,
+);
+
+TextStyle style12DG400 = const TextStyle(
+  fontSize: 12,
+  color: kcDarkGrey,
+);
+
 TextStyle style14P400 = const TextStyle(
   color: kcPrimaryColor,
 );
 
+TextStyle style14B400 = const TextStyle(
+  color: kcBlue,
+);
+
 TextStyle style14P600 = const TextStyle(
   color: kcPrimaryColor,
   fontWeight: FontWeight.w600,
@@ -218,12 +244,29 @@ TextStyle style25DG600 = const TextStyle(
   fontWeight: FontWeight.w600,
 );
 
+TextStyle style16P600 = const TextStyle(
+  fontSize: 16,
+  color: kcPrimaryColor,
+  fontWeight: FontWeight.w600,
+);
+
+TextStyle style16DG500 = const TextStyle(
+  fontSize: 16,
+  color: kcDarkGrey,
+);
+
 TextStyle style16DG600 = const TextStyle(
   fontSize: 16,
   color: kcDarkGrey,
   fontWeight: FontWeight.w600,
 );
 
+TextStyle style16B600 = const TextStyle(
+  fontSize: 16,
+  color: kcBlue,
+  fontWeight: FontWeight.w600,
+);
+
 TextStyle style18DG500 = const TextStyle(
   fontSize: 18,
   color: kcDarkGrey,
@@ -236,6 +279,24 @@ TextStyle style18DG600 = const TextStyle(
   fontWeight: FontWeight.w600,
 );
 
+TextStyle style18G700 = const TextStyle(
+  fontSize: 18,
+  color: kcDeepGreen,
+  fontWeight: FontWeight.w700,
+);
+
+TextStyle style18DG700 = const TextStyle(
+  fontSize: 18,
+  color: kcDarkGrey,
+  fontWeight: FontWeight.w700,
+);
+
+TextStyle style20DG700 = const TextStyle(
+  fontSize: 20,
+  color: kcDarkGrey,
+  fontWeight: FontWeight.w700,
+);
+
 TextStyle style16DG400 = const TextStyle(
   fontSize: 16,
   color: kcDarkGrey,
@@ -266,6 +327,8 @@ TextStyle validationStyle = const TextStyle(
   fontWeight: FontWeight.w700,
 );
 
+Duration kDuration = const Duration(seconds: 1);
+
 Style htmlDefaultStyle = Style(color: kcDarkGrey, fontSize: FontSize(16));
 
 Map<String, Style> htmlStyle = {
@@ -296,13 +359,19 @@ ChewieProgressColors buildChewieProgressIndicator = ChewieProgressColors(
 Widget buildToastDescription(String message) => Text(
       message,
       maxLines: 4,
-      style: const TextStyle(color: kcDarkGrey, fontWeight: FontWeight.w500),
+      style: style14DG500,
+    );
+
+Icon buildCloseIcon() => const Icon(
+      Icons.close,
+      color: kcPrimaryColor,
     );
 
 void showErrorToast(String message) {
   toastification.show(
     showIcon: true,
     dragToClose: true,
+    icon: buildCloseIcon(),
     showProgressBar: false,
     applyBlurEffect: false,
     alignment: Alignment.topCenter,
@@ -313,19 +382,21 @@ void showErrorToast(String message) {
     autoCloseDuration: const Duration(seconds: 3),
     margin: const EdgeInsets.symmetric(horizontal: 15),
     borderSide: const BorderSide(color: kcPrimaryColor),
-    icon: const Icon(
-      Icons.close,
-      color: kcPrimaryColor,
-    ),
   );
 }
 
+Icon buildCheckIcon() => const Icon(
+      Icons.check,
+      color: kcPrimaryColor,
+    );
+
 void showSuccessToast(String message) {
   toastification.show(
     showIcon: true,
     dragToClose: true,
     showProgressBar: false,
     applyBlurEffect: false,
+    icon: buildCheckIcon(),
     alignment: Alignment.topCenter,
     primaryColor: kcBackgroundColor,
     type: ToastificationType.success,
@@ -334,9 +405,5 @@ void showSuccessToast(String message) {
     autoCloseDuration: const Duration(seconds: 3),
     margin: const EdgeInsets.symmetric(horizontal: 15),
     borderSide: const BorderSide(color: kcPrimaryColor),
-    icon: const Icon(
-      Icons.check,
-      color: kcPrimaryColor,
-    ),
   );
 }

lib/ui/common/validators/form_validator.dart

@@ -1,18 +1,67 @@
 import 'package:email_validator/email_validator.dart';
 
 class FormValidator {
+  // Form validator
   static String? validateForm(String? value) {
     if (value == null) {
       return null;
     }
 
+    if (value.isEmpty) {
+      return 'The field is required';
+    }
+
+    return null;
+  }
+
+  // Form validator
+  static String? validateFullNameForm(String? value) {
+    if (value == null) {
+      return null;
+    }
+
+    if (value.isEmpty) {
+      return 'The field is required';
+    }
+    final regex = RegExp(r'^\S+\s+\S+.*$');
+
+    if (!regex.hasMatch(value.trim())) {
+      return "Enter your full name";
+    }
+    return null;
+  }
+
+  // Email validator
+  static String? validateEmailForm(String? value) {
+    if (value == null) {
+      return null;
+    }
+
+    if (value.isEmpty) {
+      return 'The field is required';
+    }
+
+    if (!EmailValidator.validate(value)) {
+      return 'Invalid email format';
+    }
+
+    return null;
+  }
+
+  // Password validator
+  static String? validatePasswordForm(String? value) {
+    if (value == null) {
+      return null;
+    }
+
     if (value.isEmpty) {
       return 'The field is required';
     }
     return null;
   }
 
-  static String? validatePhoneNumber(String? value) {
+  // Phone number validator
+  static String? validatePhoneNumberForm(String? value) {
     if (value == null) {
       return null;
     }
@@ -34,31 +83,4 @@ class FormValidator {
     }
     return null;
   }
-
-  static String? validateEmail(String? value) {
-    if (value == null) {
-      return null;
-    }
-
-    if (value.isEmpty) {
-      return 'The field is required';
-    }
-
-    if (!EmailValidator.validate(value)) {
-      return 'Invalid email format';
-    }
-
-    return null;
-  }
-
-  static String? validatePassword(String? value) {
-    if (value == null) {
-      return null;
-    }
-
-    if (value.isEmpty) {
-      return 'The field is required';
-    }
-    return null;
-  }
 }

lib/ui/views/account_privacy/account_privacy_view.dart

@@ -12,9 +12,7 @@ class AccountPrivacyView extends StackedView<AccountPrivacyViewModel> {
   const AccountPrivacyView({Key? key}) : super(key: key);
 
   @override
-  AccountPrivacyViewModel viewModelBuilder(
+  AccountPrivacyViewModel viewModelBuilder(BuildContext context) =>
-    BuildContext context,
-  ) =>
       AccountPrivacyViewModel();
 
   @override
@@ -57,8 +55,9 @@ class AccountPrivacyView extends StackedView<AccountPrivacyViewModel> {
       );
 
   Widget _buildAppbar(AccountPrivacyViewModel viewModel) => SmallAppBar(
-        title: 'Account Privacy',
+        showBackButton: true,
         onTap: viewModel.pop,
+        title: 'Account Privacy',
       );
 
   Widget _buildContentWrapper(AccountPrivacyViewModel viewModel) =>
@@ -107,7 +106,7 @@ class AccountPrivacyView extends StackedView<AccountPrivacyViewModel> {
 
   Widget _buildHeader(String title) => Text(
         title,
-        style: style18DG600,
+        style: style18DG700,
       );
 
   Widget _buildLanguageMenu(AccountPrivacyViewModel viewModel) =>
@@ -146,8 +145,8 @@ class AccountPrivacyView extends StackedView<AccountPrivacyViewModel> {
       );
   Widget _buildDeleteButton() => CustomElevatedButton(
         height: 55,
-        text: 'Delete Account',
         borderRadius: 12,
+        text: 'Delete Account',
         foregroundColor: kcRed,
         backgroundColor: kcRed.withOpacity(0.25),
       );

lib/ui/views/account_privacy/account_privacy_viewmodel.dart

@@ -5,6 +5,7 @@ import 'package:yimaru_app/app/app.router.dart';
 import '../../../app/app.locator.dart';
 
 class AccountPrivacyViewModel extends BaseViewModel {
+  // Dependency injection
   final _navigationService = locator<NavigationService>();
 
   // Navigation

lib/ui/views/assessment/assessment_view.dart

@@ -1,12 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:stacked/stacked.dart';
 import 'package:yimaru_app/ui/views/assessment/screens/Assessment_form_screen.dart';
-import 'package:yimaru_app/ui/views/assessment/screens/assessment_completion_screen.dart';
-import 'package:yimaru_app/ui/views/assessment/screens/assessment_failure_screen.dart';
 import 'package:yimaru_app/ui/views/assessment/screens/assessment_intro_screen.dart';
 import 'package:yimaru_app/ui/views/assessment/screens/assessment_result_screen.dart';
-import 'package:yimaru_app/ui/views/assessment/screens/result_analysis_screen.dart';
-import 'package:yimaru_app/ui/views/assessment/screens/retake_assessment_screen.dart';
 import 'package:yimaru_app/ui/views/assessment/screens/start_lesson_screen.dart';
 
 import 'assessment_viewmodel.dart';
@@ -23,13 +19,23 @@ class AssessmentView extends StackedView<AssessmentViewModel> {
     super.onViewModelReady(viewModel);
   }
 
+  @override
+  AssessmentViewModel viewModelBuilder(BuildContext context) =>
+      AssessmentViewModel();
+
   @override
   Widget builder(
     BuildContext context,
     AssessmentViewModel viewModel,
     Widget? child,
   ) =>
-      _buildAssessmentScreens(viewModel);
+      _buildAssessmentScreensWrapper(viewModel);
+
+  Widget _buildAssessmentScreensWrapper(AssessmentViewModel viewModel) =>
+      PopScope(
+          canPop: viewModel.currentPage == 0 ? true : false,
+          onPopInvokedWithResult: (value, data) => viewModel.goBack(),
+          child: _buildAssessmentScreens(viewModel));
 
   Widget _buildAssessmentScreens(AssessmentViewModel viewModel) => IndexedStack(
         index: viewModel.currentPage,
@@ -53,21 +59,7 @@ class AssessmentView extends StackedView<AssessmentViewModel> {
 
   Widget _buildAssessment() => const AssessmentFormScreen();
 
-  Widget _buildAssessmentFailure() => const AssessmentFailureScreen();
-
-  Widget _buildRetakeAssessment() => const RetakeAssessmentScreen();
-
-  Widget _buildResultAnalysis() => const ResultAnalysisScreen();
-
-  Widget _buildAssessmentCompletion() => const AssessmentCompletionScreen();
-
   Widget _buildAssessmentResult() => const AssessmentResultScreen();
 
   Widget _buildStartLesson() => const StartLessonScreen();
-
-  @override
-  AssessmentViewModel viewModelBuilder(
-    BuildContext context,
-  ) =>
-      AssessmentViewModel();
 }

lib/ui/views/assessment/assessment_viewmodel.dart

@@ -1,5 +1,3 @@
-import 'dart:math';
-
 import 'package:flutter/cupertino.dart';
 import 'package:stacked/stacked.dart';
 import 'package:stacked_services/stacked_services.dart';
@@ -13,9 +11,9 @@ import '../../../models/assessment.dart';
 import '../../../services/api_service.dart';
 import '../../common/app_colors.dart';
 import '../../common/ui_helpers.dart';
-import '../home/home_view.dart';
 
 class AssessmentViewModel extends BaseViewModel {
+  // Dependency injection
   final _apiService = locator<ApiService>();
   final _dialogService = locator<DialogService>();
   final _statusChecker = locator<StatusCheckerService>();
@@ -207,6 +205,7 @@ class AssessmentViewModel extends BaseViewModel {
     }
   }
 
+  // In-app navigation
   void next({int? page}) async {
     if (page == null) {
       if (_previousPage != 0) {
@@ -221,28 +220,37 @@ class AssessmentViewModel extends BaseViewModel {
     rebuildUi();
   }
 
-  void pop() {
+  void goBack() {
-    if (_currentPage == 0 || _currentPage == 3 /*7*/) {
+    if (_currentPage == 0) {
       _navigationService.back();
-    } else if (_currentPage != 0 && _currentPage != 3) {
+    } else if (_currentPage == 2) {
-      _currentPage--;
+      _currentPage = 0;
+      rebuildUi();
+    } else if (_currentPage == 3) {
+      if (_proficiencyLevel != ProficiencyLevels.none) {
+        _currentPage--;
+      } else {
+        _currentPage = 0;
+      }
       rebuildUi();
     }
   }
 
   // Navigation
+  void pop() => _navigationService.back();
+
   Future<void> navigateToLanguage() async =>
       await _navigationService.navigateToLanguageView();
 
   Future<void> replaceWithHome() async =>
-      await _navigationService.clearStackAndShowView(const HomeView());
+      await _navigationService.clearStackAndShow(Routes.homeView);
 
   // Remote api call
   Future<void> getAssessments() async => await runBusyFuture(_getAssessments());
 
   Future<void> _getAssessments() async {
     if (await _statusChecker.checkConnection()) {
-      List<Assessment> response = await _apiService.getAssessments();
+      _assessments = await _apiService.getAssessments();
       /*
       for (int i = 0; i < 6; i++) {
         final generator = Random();
@@ -250,7 +258,6 @@ class AssessmentViewModel extends BaseViewModel {
         response.add(response[random]);
       }
       */
-      _assessments = response;
     }
   }
 

lib/ui/views/assessment/screens/assessment_completion_screen.dart

@@ -1,97 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:flutter_svg/svg.dart';
-import 'package:stacked/stacked.dart';
-import 'package:yimaru_app/ui/common/app_colors.dart';
-import 'package:yimaru_app/ui/common/ui_helpers.dart';
-import 'package:yimaru_app/ui/views/assessment/assessment_viewmodel.dart';
-import 'package:yimaru_app/ui/widgets/custom_elevated_button.dart';
-import 'package:yimaru_app/ui/widgets/large_app_bar.dart';
-
-class AssessmentCompletionScreen extends ViewModelWidget<AssessmentViewModel> {
-  const AssessmentCompletionScreen({super.key});
-
-  @override
-  Widget build(BuildContext context, AssessmentViewModel viewModel) =>
-      _buildScaffoldWrapper(viewModel);
-
-  Widget _buildScaffoldWrapper(AssessmentViewModel viewModel) => Scaffold(
-        backgroundColor: kcBackgroundColor,
-        body: _buildScaffold(viewModel),
-      );
-
-  Widget _buildScaffold(AssessmentViewModel viewModel) => Column(
-        crossAxisAlignment: CrossAxisAlignment.start,
-        children: _buildScaffoldChildren(viewModel),
-      );
-
-  List<Widget> _buildScaffoldChildren(AssessmentViewModel viewModel) =>
-      [_buildAppBar(), _buildExpandedBody(viewModel)];
-
-  Widget _buildAppBar() => const LargeAppBar(
-        showBackButton: false,
-        showLanguageSelection: false,
-      );
-
-  Widget _buildExpandedBody(AssessmentViewModel viewModel) =>
-      Expanded(child: _buildBodyWrapper(viewModel));
-
-  Widget _buildBodyWrapper(AssessmentViewModel viewModel) => Padding(
-        padding: const EdgeInsets.symmetric(horizontal: 15),
-        child: _buildBody(viewModel),
-      );
-
-  Widget _buildBody(AssessmentViewModel viewModel) => Column(
-        crossAxisAlignment: CrossAxisAlignment.stretch,
-        mainAxisAlignment: MainAxisAlignment.spaceBetween,
-        children: _buildBodyChildren(viewModel),
-      );
-
-  List<Widget> _buildBodyChildren(AssessmentViewModel viewModel) =>
-      [_buildUpperColumn(viewModel), _buildContinueButtonWrapper(viewModel)];
-
-  Widget _buildUpperColumn(AssessmentViewModel viewModel) => Column(
-        mainAxisSize: MainAxisSize.min,
-        crossAxisAlignment: CrossAxisAlignment.stretch,
-        children: _buildUpperColumnChildren(viewModel),
-      );
-
-  List<Widget> _buildUpperColumnChildren(AssessmentViewModel viewModel) => [
-        verticalSpaceLarge,
-        _buildIcon(),
-        verticalSpaceMedium,
-        _buildTitle(),
-        verticalSpaceSmall,
-        _buildSubtitle(),
-      ];
-
-  Widget _buildIcon() => SvgPicture.asset(
-        'assets/icons/complete.svg',
-      );
-
-  Widget _buildTitle() => Text(
-        'Assessment complete!',
-        style: style25DG600,
-        textAlign: TextAlign.center,
-      );
-
-  Widget _buildSubtitle() => Text(
-        'We’re now analyzing your speaking skills',
-        textAlign: TextAlign.center,
-        style: style14MG400,
-      );
-
-  Widget _buildContinueButtonWrapper(AssessmentViewModel viewModel) => Padding(
-        padding: const EdgeInsets.only(bottom: 50),
-        child: _buildContinueButton(viewModel),
-      );
-
-  Widget _buildContinueButton(AssessmentViewModel viewModel) =>
-      CustomElevatedButton(
-        height: 55,
-        borderRadius: 12,
-        text: 'View My Results',
-        foregroundColor: kcWhite,
-        onTap: () => viewModel.next(),
-        backgroundColor: kcPrimaryColor,
-      );
-}

lib/ui/views/assessment/screens/assessment_failure_screen.dart

@@ -1,121 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:flutter_svg/svg.dart';
-import 'package:stacked/stacked.dart';
-import 'package:yimaru_app/ui/common/app_colors.dart';
-import 'package:yimaru_app/ui/common/ui_helpers.dart';
-import 'package:yimaru_app/ui/widgets/custom_elevated_button.dart';
-import 'package:yimaru_app/ui/widgets/large_app_bar.dart';
-
-import '../assessment_viewmodel.dart';
-
-class AssessmentFailureScreen extends ViewModelWidget<AssessmentViewModel> {
-  const AssessmentFailureScreen({super.key});
-
-  @override
-  Widget build(BuildContext context, AssessmentViewModel viewModel) =>
-      _buildScaffoldWrapper(viewModel);
-
-  Widget _buildScaffoldWrapper(AssessmentViewModel viewModel) => Scaffold(
-        backgroundColor: kcBackgroundColor,
-        body: _buildScaffold(viewModel),
-      );
-
-  Widget _buildScaffold(AssessmentViewModel viewModel) => Column(
-        crossAxisAlignment: CrossAxisAlignment.start,
-        children: _buildScaffoldChildren(viewModel),
-      );
-
-  List<Widget> _buildScaffoldChildren(AssessmentViewModel viewModel) =>
-      [_buildAppBar(viewModel), _buildExpandedBody(viewModel)];
-
-  Widget _buildAppBar(AssessmentViewModel viewModel) => LargeAppBar(
-        showBackButton: false,
-        showLanguageSelection: true,
-        onLanguage: () async => await viewModel.navigateToLanguage(),
-      );
-
-  Widget _buildExpandedBody(AssessmentViewModel viewModel) =>
-      Expanded(child: _buildBodyWrapper(viewModel));
-
-  Widget _buildBodyWrapper(AssessmentViewModel viewModel) => Padding(
-        padding: const EdgeInsets.symmetric(horizontal: 15),
-        child: _buildBody(viewModel),
-      );
-
-  Widget _buildBody(AssessmentViewModel viewModel) => Column(
-        crossAxisAlignment: CrossAxisAlignment.start,
-        mainAxisAlignment: MainAxisAlignment.spaceBetween,
-        children: _buildBodyChildren(viewModel),
-      );
-
-  List<Widget> _buildBodyChildren(AssessmentViewModel viewModel) =>
-      [_buildUpperColumn(viewModel), _buildLowerColumn(viewModel)];
-
-  Widget _buildUpperColumn(AssessmentViewModel viewModel) => Column(
-        mainAxisSize: MainAxisSize.min,
-        mainAxisAlignment: MainAxisAlignment.center,
-        crossAxisAlignment: CrossAxisAlignment.stretch,
-        children: _buildUpperColumnChildren(viewModel),
-      );
-
-  List<Widget> _buildUpperColumnChildren(AssessmentViewModel viewModel) => [
-        verticalSpaceLarge,
-        _buildIcon(),
-        verticalSpaceMedium,
-        _buildTitle(),
-        verticalSpaceSmall,
-        _buildSubtitle(),
-      ];
-
-  Widget _buildIcon() => SvgPicture.asset('assets/icons/alert.svg');
-
-  Widget _buildTitle() => Text(
-        'We didn’t get enough from your assessment',
-        style: style25DG600,
-        textAlign: TextAlign.center,
-      );
-
-  Widget _buildSubtitle() => Text(
-        'Your assessment wasn’t long enough for us to analyze your speaking level. You can retake the call to get accurate results ',
-        textAlign: TextAlign.center,
-        style: style14MG400,
-      );
-
-  Widget _buildLowerColumn(AssessmentViewModel viewModel) => Column(
-        mainAxisSize: MainAxisSize.min,
-        children: _buildLowerColumnChildren(viewModel),
-      );
-
-  List<Widget> _buildLowerColumnChildren(AssessmentViewModel viewModel) => [
-        _buildContinueButton(viewModel),
-        verticalSpaceSmall,
-        _buildSkipButtonWrapper(viewModel)
-      ];
-
-  Widget _buildContinueButton(AssessmentViewModel viewModel) =>
-      CustomElevatedButton(
-        height: 55,
-        safe: false,
-        borderRadius: 12,
-        text: 'Continue Assessment',
-        onTap: () => viewModel.next(),
-        foregroundColor: kcWhite,
-        backgroundColor: kcPrimaryColor,
-      );
-
-  Widget _buildSkipButtonWrapper(AssessmentViewModel viewModel) => Padding(
-        padding: const EdgeInsets.only(bottom: 50),
-        child: _buildSkipButton(viewModel),
-      );
-
-  Widget _buildSkipButton(AssessmentViewModel viewModel) =>
-      CustomElevatedButton(
-        height: 55,
-        text: 'Skip',
-        borderRadius: 12,
-        backgroundColor: kcWhite,
-        borderColor: kcPrimaryColor,
-        onTap: () => viewModel.next(),
-        foregroundColor: kcPrimaryColor,
-      );
-}