[转] Android 在程序中如何动态的修改程序图标-优快云博客

本文介绍了一种在不重新启动应用程序的情况下更改Android应用图标的方法。通过使用activity-alias配置，并结合程序包管理器API实现图标替换。适用于Android开发者。

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[url]http://stackoverflow.com/a/41501402[/url]

[color=red][b]亲测可以！[/b][/color]
[b]测试机器环境如下：
Meizu Mx4 - Android 5.1 - Flyme 5.1.11.1A[/b]

First prepare your new app icons for each resolution and put them into the corresponding mipmap folders.

Then use activity-alias, for example, in your AndroidManifest.xml, edit this:

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

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

    <activity-alias
        android:name=".MainAliasActivity"
        android:enabled="false"
        android:icon="@mipmap/ic_launcher_fight"
        android:label="Main Alias Activity"
        android:targetActivity=".MainActivity">
        <intent-filter>
            <action android:name="android.intent.action.MAIN"/>
            <category android:name="android.intent.category.LAUNCHER"/>
        </intent-filter>
    </activity-alias>

Add the following code when you want to change your app icon

PackageManager pm = getPackageManager();
        pm.setComponentEnabledSetting(
                getComponentName(),
                PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
                PackageManager.DONT_KILL_APP);
        pm.setComponentEnabledSetting(
                new ComponentName(this, "YOUR PACKAGE.MainAliasActivity"),
                PackageManager.COMPONENT_ENABLED_STATE_ENABLED,
                PackageManager.DONT_KILL_APP);

To reset the app icon you can use the same way.

Github: [url]https://github.com/chinglimchan/ChangeAppIcon[/url]