配置成系统Service

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.lenovo.cava"    coreApp="true"    android:sharedUserId="android.uid.system" >    <!-- <uses-sdk android:targetSdkVersion="24" android:minSdkVersion="24"/> -->    <!-- <uses-permission android:name="android.permission.SYSTEM_OVERLAY_WINDOW" /> -->    <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />    <uses-permission android:name="android.permission.MANAGE_ACTIVITY_STACKS" />    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>    <uses-permission android:name="android.permission.GET_TASKS"/>    <uses-permission android:name="android.permission.REORDER_TASKS"/>    <uses-permission android:name="android.permission.MANAGE_APP_TOKENS"/>    <uses-permission android:name="android.permission.DEVICE_POWER"/>    <uses-permission android:name="android.permission.WAKE_LOCK"/>    <uses-permission android:name="android.permission.REMOVE_TASKS"/>    <uses-permission android:name="android.permission.VIBRATE"/>    <uses-permission android:name="android.permission.WRITE_SETTINGS" />    <uses-permission android:name="android.permission.WRITE_SECURE_SETTINGS" />    <uses-permission android:name="android.permission.REAL_GET_TASKS" />    <uses-permission android:name="android.permission.KILL_BACKGROUND_PROCESSES" />    <uses-permission android:name="android.permission.FORCE_STOP_PACKAGES" />    <uses-permission android:name="android.permission.BLUETOOTH" />    <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />    <!-- send sms permisson-->    <uses-permission android:name="android.permission.SEND_SMS" />    <uses-permission android:name="android.permission.RECEIVE_SMS" />    <!-- camera permission -->    <uses-feature android:name="android.hardware.camera" android:required="true" />    <uses-feature android:name="android.hardware.camera.autofocus" android:required="false"/>    <uses-permission android:name="android.permission.CAMERA" />    <!-- SD card write and read permission -->    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>    <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"/>    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>    <application        android:debuggable="false"        android:persistent="true"        android:allowBackup="false"        android:process="com.lenovo.cava"        android:exported="true"        android:directBootAware="true">        <service            android:name="CavaService"            android:exported="true" >        </service>    </application></manifest>