华为手机设置桌面图标角标提醒的实现

华为手机用户占有率已经很大，有必要为华为手机支持角标提醒。

首先，要参考官网文档。

实现

　　1. 申请权限，这里有点多，还包含了其他手机的。官方文档的权限是不够的。

<uses-permission android:name="android.permission.INTERNET"/>
    <uses-permission android:name="com.huawei.android.launcher.permission.CHANGE_BADGE"/>

    <uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT"/>
    <uses-permission android:name="com.android.launcher.permission.UNINSTALL_SHORTCUT"/>
    <uses-permission android:name="com.android.launcher2.permission.READ_SETTINGS"/>
    <uses-permission android:name="com.android.launcher2.permission.WRITE_SETTINGS"/>
    <uses-permission android:name="com.android.launcher3.permission.READ_SETTINGS"/>
    <uses-permission android:name="com.android.launcher3.permission.WRITE_SETTINGS"/>
    <uses-permission android:name="org.adw.launcher.permission.READ_SETTINGS"/>
    <uses-permission android:name="org.adw.launcher.permission.WRITE_SETTINGS"/>
    <uses-permission android:name="com.htc.launcher.permission.READ_SETTINGS"/>
    <uses-permission android:name="com.htc.launcher.permission.WRITE_SETTINGS"/>
    <uses-permission android:name="com.qihoo360.launcher.permission.READ_SETTINGS"/>
    <uses-permission android:name="com.qihoo360.launcher.permission.WRITE_SETTINGS"/>
    <uses-permission android:name="com.lge.launcher.permission.READ_SETTINGS"/>
    <uses-permission android:name="com.lge.launcher.permission.WRITE_SETTINGS"/>
    <uses-permission android:name="net.qihoo.launcher.permission.READ_SETTINGS"/>
    <uses-permission android:name="net.qihoo.launcher.permission.WRITE_SETTINGS"/>
    <uses-permission android:name="org.adwfreak.launcher.permission.READ_SETTINGS"/>
    <uses-permission android:name="org.adwfreak.launcher.permission.WRITE_SETTINGS"/>
    <uses-permission android:name="org.adw.launcher_donut.permission.READ_SETTINGS"/>
    <uses-permission android:name="org.adw.launcher_donut.permission.WRITE_SETTINGS"/>
    <uses-permission android:name="com.huawei.launcher3.permission.READ_SETTINGS"/>
    <uses-permission android:name="com.huawei.launcher3.permission.WRITE_SETTINGS"/>
    <uses-permission android:name="com.fede.launcher.permission.READ_SETTINGS"/>
    <uses-permission android:name="com.fede.launcher.permission.WRITE_SETTINGS"/>
    <uses-permission android:name="com.sec.android.app.twlauncher.settings.READ_SETTINGS"/>
    <uses-permission android:name="com.sec.android.app.twlauncher.settings.WRITE_SETTINGS"/>
    <uses-permission android:name="com.anddoes.launcher.permission.READ_SETTINGS"/>
    <uses-permission android:name="com.anddoes.launcher.permission.WRITE_SETTINGS"/>
    <uses-permission android:name="com.tencent.qqlauncher.permission.READ_SETTINGS"/>
    <uses-permission android:name="com.tencent.qqlauncher.permission.WRITE_SETTINGS"/>
    <uses-permission android:name="com.huawei.launcher2.permission.READ_SETTINGS"/>
    <uses-permission android:name="com.huawei.launcher2.permission.WRITE_SETTINGS"/>
    <uses-permission android:name="com.android.mylauncher.permission.READ_SETTINGS"/>
    <uses-permission android:name="com.android.mylauncher.permission.WRITE_SETTINGS"/>
    <uses-permission android:name="com.ebproductions.android.launcher.permission.READ_SETTINGS"/>
    <uses-permission android:name="com.ebproductions.android.launcher.permission.WRITE_SETTINGS"/>
    <uses-permission android:name="com.oppo.launcher.permission.READ_SETTINGS"/>
    <uses-permission android:name="com.oppo.launcher.permission.WRITE_SETTINGS"/>
    <uses-permission android:name="com.lenovo.launcher.permission.READ_SETTINGS"/>
    <uses-permission android:name="com.lenovo.launcher.permission.WRITE_SETTINGS"/>
    <uses-permission android:name="com.huawei.android.launcher.permission.READ_SETTINGS"/>
    <uses-permission android:name="com.huawei.android.launcher.permission.WRITE_SETTINGS"/>
    <uses-permission android:name="telecom.mdesk.permission.READ_SETTINGS"/>
    <uses-permission android:name="telecom.mdesk.permission.WRITE_SETTINGS"/>
    <uses-permission android:name="dianxin.permission.ACCESS_LAUNCHER_DATA"/>

　　2. 官方代码。需要注意包名和类名必须正确，否则无反应

public void SetBadge(int num){
        try{
            String pName= getPackageName();
            Toast.makeText(MainActivity.this, pName, Toast.LENGTH_LONG).show();
            Bundle bunlde =new Bundle();
            bunlde.putString("package", "com.test.badge.example"); // 包名
            bunlde.putString("class", "com.test.badge.example.MainActivity"); //类名
            bunlde.putInt("badgenumber",num);
            Bundle res= this.getContentResolver().call(Uri.parse("content://com.huawei.android.launcher.settings/badge/"), "change_badge", null, bunlde);
        }catch(Exception e){
            Toast.makeText(MainActivity.this, e.getMessage(), Toast.LENGTH_LONG).show();
        }
    }

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