package cn.zengfansheng.mobilesafe.service;
import java.util.List;
import android.app.ActivityManager;
import android.app.ActivityManager.RunningTaskInfo;
import android.app.Service;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.os.IBinder;
import android.util.Log;
import cn.zengfansheng.mobilesafe.EnterPasswordActivity;
import cn.zengfansheng.mobilesafe.db.dao.AppLockDao;
/**
* 4、看门狗Service——监听应用程序的启动
* @author hacket
*/
public class WatchDogService extends Service {
protected static final String TAG = "WatchDogService";
private ActivityManager activityManager;
private boolean flag;// 服务运行的标记,true表示运行，false表示停止
private AppLockDao appLockDao;
private Intent intent;
@Override
public IBinder onBind(Intent intent) {
return null;
}
@Override
public void onCreate() {
super.onCreate();
// 1、获取ActivityManager管理者
activityManager = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);
appLockDao = new AppLockDao(getApplicationContext());
intent = new Intent(getApplicationContext(),
EnterPasswordActivity.class);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);// 外部开启Activity，一定要加上
// 看门狗需要不停的监视后台正在运行的应用程序.
new Thread() {
public void run() {
flag = true;
while (flag) {
// 2、获取最近运行的3个Task
List<RunningTaskInfo> runningTasks = activityManager.getRunningTasks(3);
// 3、新打开的Activity在第一个task里面
RunningTaskInfo runningTaskInfo = runningTasks.get(0);
// 4、然后取栈顶，就是刚打开的Activity
ComponentName topActivity = runningTaskInfo.topActivity;
String packageName = topActivity.getPackageName();
boolean isLock = appLockDao.find(packageName);
if (isLock) {// 如果锁上了，进入输入密码Activity界面
Log.i(TAG, packageName+"锁上了~");
startActivity(intent);
} else {// 没有锁上
Log.i(TAG, packageName + "没有锁上~");
}
try {
Thread.sleep(300);
} catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println(packageName);
}
}
}.start();
}
@Override
public void onDestroy() {
super.onDestroy();
flag = false;
}
}
