package com.example.timingtest;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;

public class BootCompletedReceiver extends BroadcastReceiver {
	@Override
	public void onReceive(Context context, Intent intent) {
		if (intent.getAction().equals(Intent.ACTION_BOOT_COMPLETED)) {
			Intent newIntent = new Intent(context, MainActivity.class);
			newIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); // 注意，必须添加这个标记，否则启动会失败
			context.startActivity(newIntent);
		}
	}
}

<receiver android:name=".BootCompletedReceiver"> 
		    <intent-filter> 
		        <action android:name="android.intent.action.BOOT_COMPLETED" /> 
		    </intent-filter> 
		</receiver> 
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />