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APP需要开机自启动，要通过开机广播实现。

1，在AndroidManifest.xml中增加权限

    <!-- .接收启动完成的广播权限 --><uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />

2，在AndroidManifest.xml中application标签内增加开机广播

     <receiverandroid:name=".BootCompleteReceiver"android:enabled="true"android:exported="true"><!--接收启动完成的广播--><intent-filter android:priority="1000"><action android:name="android.intent.action.BOOT_COMPLETED" /></intent-filter></receiver>

3，增加开机广播实现类，其中MainActivity.class是开机启动页面

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;public class BootCompleteReceiver extends BroadcastReceiver {@Overridepublic void onReceive(Context context, Intent intent) {// TODO: This method is called when the BroadcastReceiver is receiving// an Intent broadcast.if(Intent.ACTION_BOOT_COMPLETED.equals(intent.getAction())){Intent thisIntent = new Intent(context, MainActivity.class);thisIntent.setAction("android.intent.action.MAIN");thisIntent.addCategory("android.intent.category.LAUNCHER");thisIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);context.startActivity(thisIntent);}}
}