dependencies:
  flutter:
    sdk: flutter

  dynamic_app_icon_flutter_plus: ^1.0.0

flutter pub get

android/app/src/main/AndroidManifest.xml

<activity-alias
    android:name="com.example.yourapp.MainActivity.dark"
    android:targetActivity=".MainActivity"
    android:exported="true"
    android:icon="@mipmap/ic_launcher_dark"
    android:label="@string/app_name"
    android:enabled="false">

    <intent-filter>
        <action android:name="android.intent.action.MAIN"/>
        <category android:name="android.intent.category.LAUNCHER"/>
    </intent-filter>

</activity-alias>

@mipmap/ic_launcher_dark

android:name="com.example.yourapp.MainActivity.dark"

dark
ramadan
new_year
offer

android:targetActivity=".MainActivity"

android:icon="@mipmap/ic_launcher_dark"

android:enabled="false"

<activity-alias
    android:name="com.example.yourapp.MainActivity.ramadan"
    android:targetActivity=".MainActivity"
    android:exported="true"
    android:icon="@mipmap/ic_launcher_ramadan"
    android:label="@string/app_name"
    android:enabled="false">

    <intent-filter>
        <action android:name="android.intent.action.MAIN"/>
        <category android:name="android.intent.category.LAUNCHER"/>
    </intent-filter>

</activity-alias>

android/app/src/main/res/mipmap-mdpi/ic_launcher_dark.png
android/app/src/main/res/mipmap-hdpi/ic_launcher_dark.png
android/app/src/main/res/mipmap-xhdpi/ic_launcher_dark.png
android/app/src/main/res/mipmap-xxhdpi/ic_launcher_dark.png
android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_dark.png

android:icon="@mipmap/ic_launcher_dark"

ic_launcher_dark.png

ios/Runner/Info.plist

<key>CFBundleIcons</key>
<dict>

  <key>CFBundlePrimaryIcon</key>
  <dict>
    <key>CFBundleIconFiles</key>
    <array>
      <string>default</string>
    </array>
    <key>UIPrerenderedIcon</key>
    <false/>
  </dict>

  <key>CFBundleAlternateIcons</key>
  <dict>

    <key>dark</key>
    <dict>
      <key>CFBundleIconFiles</key>
      <array>
        <string>dark</string>
      </array>
      <key>UIPrerenderedIcon</key>
      <false/>
    </dict>

    <key>ramadan</key>
    <dict>
      <key>CFBundleIconFiles</key>
      <array>
        <string>ramadan</string>
      </array>
      <key>UIPrerenderedIcon</key>
      <false/>
    </dict>

  </dict>

</dict>

<string>dark</string>

final isSupported = await DynamicAppIconFlutterPlus.isSupported();

if (isSupported) {
  print("Dynamic app icon is supported");
} else {
  print("Dynamic app icon is not supported");
}

final icons = await DynamicAppIconFlutterPlus.getAlternateIconNames();

print(icons);

await DynamicAppIconFlutterPlus.setAlternateIconName('dark');

await DynamicAppIconFlutterPlus.setAlternateIconName('ramadan');

await DynamicAppIconFlutterPlus.setAlternateIconName(null);

import 'package:flutter/material.dart';
import 'package:dynamic_app_icon_flutter_plus/dynamic_app_icon_flutter_plus.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return const MaterialApp(
      debugShowCheckedModeBanner: false,
      home: ChangeAppIconScreen(),
    );
  }
}

class ChangeAppIconScreen extends StatefulWidget {
  const ChangeAppIconScreen({super.key});

  @override
  State<ChangeAppIconScreen> createState() => _ChangeAppIconScreenState();
}

class _ChangeAppIconScreenState extends State<ChangeAppIconScreen> {
  bool isSupported = false;
  String currentStatus = "Checking support...";

  @override
  void initState() {
    super.initState();
    checkSupport();
  }

  Future<void> checkSupport() async {
    final supported = await DynamicAppIconFlutterPlus.isSupported();

    setState(() {
      isSupported = supported;
      currentStatus = supported
          ? "تغيير الأيقونة مدعوم على هذا الجهاز"
          : "تغيير الأيقونة غير مدعوم على هذا الجهاز";
    });
  }

  Future<void> changeIcon(String? iconName) async {
    if (!isSupported) {
      setState(() {
        currentStatus = "الجهاز لا يدعم تغيير الأيقونة";
      });
      return;
    }

    try {
      await DynamicAppIconFlutterPlus.setAlternateIconName(iconName);

      setState(() {
        currentStatus = iconName == null
            ? "تم الرجوع إلى الأيقونة الأصلية"
            : "تم تغيير الأيقونة إلى: $iconName";
      });
    } catch (e) {
      setState(() {
        currentStatus = "حدث خطأ أثناء تغيير الأيقونة: $e";
      });
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text("تغيير أيقونة التطبيق"),
      ),
      body: Padding(
        padding: const EdgeInsets.all(16),
        child: Column(
          children: [
            Text(
              currentStatus,
              textAlign: TextAlign.center,
              style: const TextStyle(fontSize: 16),
            ),

            const SizedBox(height: 24),

            ElevatedButton(
              onPressed: () => changeIcon('dark'),
              child: const Text("تفعيل أيقونة الوضع الداكن"),
            ),

            const SizedBox(height: 12),

            ElevatedButton(
              onPressed: () => changeIcon('ramadan'),
              child: const Text("تفعيل أيقونة رمضان"),
            ),

            const SizedBox(height: 12),

            ElevatedButton(
              onPressed: () => changeIcon(null),
              child: const Text("الرجوع للأيقونة الأصلية"),
            ),
          ],
        ),
      ),
    );
  }
}

import 'package:dynamic_app_icon_flutter_plus/dynamic_app_icon_flutter_plus.dart';

final supported = await DynamicAppIconFlutterPlus.isSupported();

await DynamicAppIconFlutterPlus.setAlternateIconName(iconName);

setAlternateIconName('dark')

await DynamicAppIconFlutterPlus.setAlternateIconName('dark');

android:name="com.example.yourapp.MainActivity.dark"
android:icon="@mipmap/ic_launcher_dark"

<key>dark</key>

android:enabled="false"

DynamicAppIconFlutterPlus.isSupported()

await DynamicAppIconFlutterPlus.setAlternateIconName('dark');

await DynamicAppIconFlutterPlus.setAlternateIconName(null);