Android检测Activity或者Service是否运行的方法

package com.anloq.nfcservice;import android.app.Service;import android.content.BroadcastReceiver;import android.content.Context;import android.content.Intent;import android.content.IntentFilter;import android.os.IBinder;import android.util.Log;import com.anloq.MyApplication;import com.anloq.activity.AdActivity;import com.anloq.utils.DetectionASUtils;import java.text.SimpleDateFormat;import java.util.Date;import java.util.Locale;import java.util.Timer;import java.util.TimerTask;/** * Created by xpf on 2017/6/3 :) * 检测APP页面是否一直运行,不运行就直接启动 */public class MonitoringService extends Service { private final static String TAG = "MonitoringService"; private BroadcastReceiver broadcastReceiver = new BroadcastReceiver() {  @Override  public void onReceive(Context context, Intent intent) {   if ("kill_self".equals(intent.getAction())) {    Log.e(TAG, "onReceive:杀死自己的进程！");    killMyselfPid(); // 杀死自己的进程   }  } }; private Timer timer = new Timer(); private TimerTask task = new TimerTask() {  @Override  public void run() {   checkIsAlive();  } }; /**  * 检测应用是否活着  */ private void checkIsAlive() {  String format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss",    Locale.CHINA).format(new Date());  Log.e(TAG, "CustodyService Run: " + format);  boolean AIsRunning = CheckUtil.isClsRunning(    MonitoringService.this, "com.xpf.monitor", "com.xpf.monitor.activity.AActivity");  boolean BIsRunning = CheckUtil.isClsRunning(    MonitoringService.this, "com.xpf.monitor", "com.xpf.monitor.activity.BActivity");  boolean b = (AIsRunning || BIsRunning);  boolean CIsRunning = CheckUtil.isClsRunning(    MonitoringService.this, "com.xpf.monitor", "com.xpf.monitor.activity.CActivity");  Log.e(TAG, "AIsRunning || BIsRunning is running:" + b + ",CIsRunning:" + CIsRunning);  if (!CIsRunning) {   if (!b) { //如果界面挂掉直接启动AActivity    Intent intent = new Intent();    intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);    intent.setClass(MonitoringService.this, AActivity.class);    startActivity(intent);   }  } } @Override public void onCreate() {  super.onCreate();  Log.e(TAG, "onCreate: 启动监控服务! ");  IntentFilter intentFilter = new IntentFilter();  intentFilter.addAction("kill_self");  registerReceiver(broadcastReceiver, intentFilter);  timer.schedule(task, 0, 10000);// 设置检测的时间周期(毫秒数) } @Override public int onStartCommand(Intent intent, int flags, int startId) {  return START_STICKY; } @Override public IBinder onBind(Intent arg0) {  return null; } /**  * 杀死自身的进程  */ private void killMyselfPid() {  int pid = android.os.Process.myPid();  String command = "kill -9 " + pid;  Log.e(TAG, "killMyselfPid: " + command);  stopService(new Intent(MonitoringService.this, MonitoringService.class));  try {   Runtime.getRuntime().exec(command);   System.exit(0);  } catch (Exception e) {   e.printStackTrace();  } } @Override public void onDestroy() {  super.onDestroy();  unregisterReceiver(broadcastReceiver);  if (task != null) {   task.cancel();  }  if (timer != null) {   timer.cancel();  } }}

  <service   android:name="com.xpf.monitor.MonitoringService"   android:enabled="true"   android:label="MonitoringService"   android:process=":gray">   <intent-filter>    <action android:name="android.intent.action.RESPOND_VIA_MESSAGE" />   </intent-filter>  </service>

public class CheckUtil { //检测service是否在运行 public static boolean isServiceWorked(Context context, String serviceName) {  ActivityManager myManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);  ArrayList<ActivityManager.RunningServiceInfo> runningService = (ArrayList<ActivityManager.RunningServiceInfo>) myManager.getRunningServices(Integer.MAX_VALUE);  for (int i = 0; i < runningService.size(); i++) {   if (runningService.get(i).service.getClassName().toString().equals(serviceName)) {    return true;   }  }  return false; } //检测activity是否存在再栈顶 public static boolean isForeground(Context context, String PackageName) {  ActivityManager myManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);  List<ActivityManager.RunningTaskInfo> task = myManager.getRunningTasks(1);  ComponentName componentInfo = task.get(0).topActivity;  if (componentInfo.getPackageName().equals(PackageName))   return true;  return false; } /**  * 判断某个app进程是否在运行  *  * @param context  * @param appInfo  * @return  */ public static boolean isRunningProcess(Context context, String appInfo) {  ActivityManager myManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);  List<ActivityManager.RunningAppProcessInfo> runningAppPs = myManager.getRunningAppProcesses();  if (runningAppPs != null && runningAppPs.size() > 0) {   if (runningAppPs.contains(appInfo)) {    return true;   }  }  return false; } /**  * 判断一个Activity是否正在运行  *  * @param pkg  pkg为应用包名  * @param cls  cls为类名eg  * @param context  * @return  */ public static boolean isClsRunning(Context context, String pkg, String cls) {  ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);  List<ActivityManager.RunningTaskInfo> tasks = am.getRunningTasks(1);  ActivityManager.RunningTaskInfo task = tasks.get(0);  if (task != null) {   return TextUtils.equals(task.topActivity.getPackageName(), pkg) &&     TextUtils.equals(task.topActivity.getClassName(), cls);  }  return false; }}

 Intent intent = new Intent(MainActivity.this, MonitoringService.class); intent.setAction("android.intent.action.RESPOND_VIA_MESSAGE"); startService(intent);

 Intent intent = new Intent(); intent.setAction("kill_self"); sendOrderedBroadcast(intent, null);