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chandrabezzo/flutter_dynamic_icon_plus

chandrabezzo/flutter_dynamic_icon_plus open-source repository details.

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Chandra Abdul Fattah GitHub avatar
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Chandra Abdul Fattah ↗

Google Certified - Associate Android Developer (Kotlin) | Mobile Tech Enthusiast https://medium.com/@chandrabezzo

@evermosSumedang, Indonesia공식 웹사이트 ↗
언어C++DartCMakeKotlinSwiftRubyHTMLCObjective-C

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원본 README

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flutter_dynamic_icon_plus

A flutter plugin for dynamically changing app icon and app icon batch number (iOS only) in the mobile platform. Supports only iOS (with version > 10.3).

Usage

To use this plugin, add flutter_dynamic_icon_plus as a dependency in your pubspec.yaml file.

Getting Started

Check out the example directory for a sample app using flutter_dynamic_icon_plus.

Android Integration
Blacklist

Based on discussion on stackoverflow found issue when call onTaskRemoved on several devices. So, we add an approach to blacklist these devices via:

  • blacklistBrands
  • blacklistManufactures
  • blacklistModels
Add Service

Add service under application in your manifest

    <application...>

        <service
            android:name="com.solusibejo.flutter_dynamic_icon_plus.FlutterDynamicIconPlusService"
            android:stopWithTask="false"/>

        <activity.../>
Add Activity Alias

Update android/src/main/AndroidManifest.xml as follows:

    <application ...>
        <activity
            android:name=".MainActivity"
            android:launchMode="singleTop"
            android:theme="@style/LaunchTheme"
            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
            android:hardwareAccelerated="true"
            android:windowSoftInputMode="adjustResize"
            android:enabled="true">
				
            <meta-data
                android:name="io.flutter.embedding.android.NormalTheme"
                android:resource="@style/NormalTheme"
                />

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

        <!-- The activity-alias are your alternatives icons and name of your app, the default one must be enabled (and the others disabled) and the name must be ".DEFAULT". All the names of your activity-alias' name must begin with a dot. -->

        <!-- FOR NOW USE "icon_1" AS ALTERNATIVE ICON NAME -->

        <activity-alias
            android:label="Your app"
            android:icon="@mipmap/ic_launcher_1"
            android:roundIcon="@mipmap/ic_launcher_1"
            android:name=".icon_1"
            android:exported="true"
            android:enabled="false"
            android:targetActivity=".MainActivity">

            <meta-data
                android:name="io.flutter.embedding.android.NormalTheme"
                android:resource="@style/NormalTheme"
                />

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

        </activity-alias>

        <activity-alias
            android:label="Your app"
            android:icon="@mipmap/ic_launcher_2"
            android:roundIcon="@mipmap/ic_launcher_2"
            android:name=".icon_2"
            android:exported="true"
            android:enabled="false"
            android:targetActivity=".MainActivity">

            <meta-data
                android:name="io.flutter.embedding.android.NormalTheme"
                android:resource="@style/NormalTheme"
                />

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

        </activity-alias>
    </application>
Include applicationIdSuffix

If your app contains applicationIdSuffix please add applicationId on your activity-alias name for example

	<activity-alias
            android:label="Your app"
            android:icon="@mipmap/ic_launcher_1"
            android:roundIcon="@mipmap/ic_launcher_1"
            android:name="${applicationId}.icon_1"
            android:exported="true"
            android:enabled="false"
            android:targetActivity=".MainActivity">

            <meta-data
                android:name="io.flutter.embedding.android.NormalTheme"
                android:resource="@style/NormalTheme"
                />

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

        </activity-alias>
Known Issues
  • Each android version will have different behavior, with Android 8 it may take a few seconds before we can notice the change
  • Due to Splash screen problems of newest Android versions, please consider to remove the below code in your activivy and activity-alias tags:
  <meta-data
                android:name="io.flutter.embedding.android.SplashScreenDrawable"
                android:resource="@drawable/launch_background"
                />
iOS Integration
Index
  • 2x - 120px x 120px
  • 3x - 180px x 180px

To integrate your plugin into the iOS part of your app, follow these steps

  1. First let us put a few images for app icons, they are
    • teamfortress@2x.png, teamfortress@3x.png
    • photos@2x.png, photos@3x.png,
    • chills@2x.png, chills@3x.png,
  2. These icons shouldn't be kept in Assets.xcassets folder, but outside. When copying to Xcode, you can select 'create folder references' or 'create groups', if not you will get and error when uploading the build to the AppStore saying: (Thanks to @nohli for this observation) TMS-90032: Invalid Image Path - - No image found at the path referenced under key 'CFBundleAlternateIcons':...

Here is my directory structure:

directory_structure

  1. Next, we need to setup the Info.plist
    1. Add Icon files (iOS 5) to the Information Property List
    2. Add CFBundleAlternateIcons as a dictionary, it is used for alternative icons
    3. Set 3 dictionaries under CFBundleAlternateIcons, they are correspond to teamfortress, photos, and chills
    4. For each dictionary, two properties — UIPrerenderedIcon and CFBundleIconFiles need to be configured
    5. If the sub-property UINewsstandIcon is showing under Icon files (iOS 5) and you don't plan on using it (it is intended for use with Newstand features), erase it or the app will get rejected upon submission on the App Store

Note that if you need it work for iPads, You need to add these icon declarations in CFBundleIcons~ipad as well. See here for more details.

Here is my Info.plist after adding Alternate Icons

Screenshot

info.plist

Raw
<?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>
	<key>CFBundleDevelopmentRegion</key>
	<string>en</string>
	<key>CFBundleExecutable</key>
	<string>$(EXECUTABLE_NAME)</string>
	<key>CFBundleIcons</key>
	<dict>
		<key>CFBundleAlternateIcons</key>
		<dict>
			<key>chills</key>
			<dict>
				<key>CFBundleIconFiles</key>
				<array>
					<string>chills</string>
				</array>
				<key>UIPrerenderedIcon</key>
				<false/>
			</dict>
			<key>photos</key>
			<dict>
				<key>CFBundleIconFiles</key>
				<array>
					<string>photos</string>
				</array>
				<key>UIPrerenderedIcon</key>
				<false/>
			</dict>
			<key>teamfortress</key>
			<dict>
				<key>CFBundleIconFiles</key>
				<array>
					<string>teamfortress</string>
				</array>
				<key>UIPrerenderedIcon</key>
				<false/>
			</dict>
		</dict>
	</dict>
	<key>CFBundleIdentifier</key>
	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
	<key>CFBundleInfoDictionaryVersion</key>
	<string>6.0</string>
	<key>CFBundleName</key>
	<string>flutter_dynamic_icon_example</string>
	<key>CFBundlePackageType</key>
	<string>APPL</string>
	<key>CFBundleShortVersionString</key>
	<string>$(FLUTTER_BUILD_NAME)</string>
	<key>CFBundleSignature</key>
	<string>????</string>
	<key>CFBundleVersion</key>
	<string>$(FLUTTER_BUILD_NUMBER)</string>
	<key>LSRequiresIPhoneOS</key>
	<true/>
	<key>UILaunchStoryboardName</key>
	<string>LaunchScreen</string>
	<key>UIMainStoryboardFile</key>
	<string>Main</string>
	<key>UISupportedInterfaceOrientations</key>
	<array>
		<string>UIInterfaceOrientationPortrait</string>
		<string>UIInterfaceOrientationLandscapeLeft</string>
		<string>UIInterfaceOrientationLandscapeRight</string>
	</array>
	<key>UISupportedInterfaceOrientations~ipad</key>
	<array>
		<string>UIInterfaceOrientationPortrait</string>
		<string>UIInterfaceOrientationPortraitUpsideDown</string>
		<string>UIInterfaceOrientationLandscapeLeft</string>
		<string>UIInterfaceOrientationLandscapeRight</string>
	</array>
	<key>UIViewControllerBasedStatusBarAppearance</key>
	<false/>
</dict>
</plist>

Now, you can call FlutterDynamicIconPlus.setAlternateIconName with the CFBundleAlternateIcons key as the argument to set that icon.

Dart/Flutter Integration

From your Dart code, you need to import the plugin and use it's static methods:

import 'package:flutter_dynamic_icon_plus/flutter_dynamic_icon_plus.dart';

try {
  if (await FlutterDynamicIconPlus.supportsAlternateIcons) {
    await FlutterDynamicIconPlus.setAlternateIconName(
        iconName: "icon_name",
        blacklistBrands: ['Redmi'],
        blacklistManufactures: ['Xiaomi'],
        blacklistModels: ['Redmi 200A'],
    );
    print("App icon change successful");
    return;
  }
} on PlatformException {} catch (e) {}
print("Failed to change app icon");

...

// get currently icon
final currentIcon = await FlutterDynamicIconPlus.alternateIconName;

// set batch number
try {
    if (Platform.isIOS) {
	    await FlutterDynamicIconPlus.setApplicationIconBadgeNumber(9399);
    }
} on PlatformException {} catch (e) {}

// gets currently set batch number
if (Platform.isIOS) {
    int batchNumber = FlutterDynamicIconPlus.getApplicationIconBadgeNumber();
}
Available methods
Method Type Description
supportsAlternateIcons bool To check this app support alternate app icons or not
alternateIconName String To get currently active app icon
setAlternateIconName(iconName,blacklistBrands,blacklistManufactures,blacklistModels) Nullable String params To update app icon, set iconName with specific value. To restore default app icon fill with null. Fill blacklistBrands, blacklistManufactures, and/or blacklistModels to use old approach (force restart), this property just work on Android only.
applicationIconBadgeNumber int To get app icon badge, number of push notification received. This method just work on iOS only.
setApplicationIconBadgeNumber(batchIconNumber) int params To set app icon badge just work on iOS only.

Check out the example app for more details

Screenrecord

Showing App Icon change Android

https://github.com/chandrabezzo/flutter_dynamic_icon_plus/assets/16184998/6644c2ca-9de3-4c75-b9c1-7e279022bc14

Showing App Icon change iOS

https://github.com/chandrabezzo/flutter_dynamic_icon_plus/assets/16184998/519e94a4-9643-462b-bb66-f92714e1c56e

Showing Batch number on app icon

https://github.com/chandrabezzo/flutter_dynamic_icon_plus/assets/16184998/4d63a167-6905-4a1c-b8cf-049cc2f1d12d

Reference

This was made possible because this blog. I borrowed a lot of words from this blog. https://medium.com/ios-os-x-development/dynamically-change-the-app-icon-7d4bece820d2

This plugin inspired from another existing plugin. I copy a lot of code from these plugin. https://pub.dev/packages/flutter_dynamic_icon

https://pub.dev/packages/dynamic_icon_flutter