Android检测Activity或者Service是否运行的方法

2023-09-15 01:59:05 60

需求：假设我们的APP有3个页面AActivity,BActivity,CActivity,我们的APP需要一直运行在前台（特殊设备），要求实现一个监控服务，来监视APP是否运行，如果有3个页面都不运行了就说明这个APP已经挂掉了，否则说明APP在运行状态，不做处理，挂掉之后，我们需要重新启动App来让它继续处理运行状态，对外暴露一个来停止监控服务的广播，这样我们想停止监控服务时，发送一个广播即可。

思路：实现一个双进程的监控服务，服务中写一个定时器Timer来重复进行检测是否正在运行，如果否就直接重新启动APP。

1.定义一个监控服务

packagecom.anloq.nfcservice;

importandroid.app.Service;
importandroid.content.BroadcastReceiver;
importandroid.content.Context;
importandroid.content.Intent;
importandroid.content.IntentFilter;
importandroid.os.IBinder;
importandroid.util.Log;

importcom.anloq.MyApplication;
importcom.anloq.activity.AdActivity;
importcom.anloq.utils.DetectionASUtils;

importjava.text.SimpleDateFormat;
importjava.util.Date;
importjava.util.Locale;
importjava.util.Timer;
importjava.util.TimerTask;

/**
*Createdbyxpfon2017/6/3:)
*检测APP页面是否一直运行,不运行就直接启动
*/

publicclassMonitoringServiceextendsService{

privatefinalstaticStringTAG="MonitoringService";

privateBroadcastReceiverbroadcastReceiver=newBroadcastReceiver(){
@Override
publicvoidonReceive(Contextcontext,Intentintent){
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
}
}
};

privateTimertimer=newTimer();
privateTimerTasktask=newTimerTask(){
@Override
publicvoidrun(){
checkIsAlive();
}
};

/**
*检测应用是否活着
*/
privatevoidcheckIsAlive(){
Stringformat=newSimpleDateFormat("yyyy-MM-ddHH:mm:ss",
Locale.CHINA).format(newDate());
Log.e(TAG,"CustodyServiceRun:"+format);

booleanAIsRunning=CheckUtil.isClsRunning(
MonitoringService.this,"com.xpf.monitor","com.xpf.monitor.activity.AActivity");
booleanBIsRunning=CheckUtil.isClsRunning(
MonitoringService.this,"com.xpf.monitor","com.xpf.monitor.activity.BActivity");
booleanb=(AIsRunning||BIsRunning);
booleanCIsRunning=CheckUtil.isClsRunning(
MonitoringService.this,"com.xpf.monitor","com.xpf.monitor.activity.CActivity");

Log.e(TAG,"AIsRunning||BIsRunningisrunning:"+b+",CIsRunning:"+CIsRunning);

if(!CIsRunning){
if(!b){//如果界面挂掉直接启动AActivity
Intentintent=newIntent();
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.setClass(MonitoringService.this,AActivity.class);
startActivity(intent);
}
}
}


@Override
publicvoidonCreate(){
super.onCreate();
Log.e(TAG,"onCreate:启动监控服务!");
IntentFilterintentFilter=newIntentFilter();
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
publicintonStartCommand(Intentintent,intflags,intstartId){
returnSTART_STICKY;
}

@Override
publicIBinderonBind(Intentarg0){
returnnull;
}

/**
*杀死自身的进程
*/
privatevoidkillMyselfPid(){
intpid=android.os.Process.myPid();
Stringcommand="kill-9"+pid;
Log.e(TAG,"killMyselfPid:"+command);
stopService(newIntent(MonitoringService.this,MonitoringService.class));
try{
Runtime.getRuntime().exec(command);
System.exit(0);
}catch(Exceptione){
e.printStackTrace();
}
}

@Override
publicvoidonDestroy(){
super.onDestroy();
unregisterReceiver(broadcastReceiver);
if(task!=null){
task.cancel();
}
if(timer!=null){
timer.cancel();
}
}
}

2.注册双进程Service

3.检测是否活着的工具类CheckUtil

publicclassCheckUtil{
//检测service是否在运行
publicstaticbooleanisServiceWorked(Contextcontext,StringserviceName){
ActivityManagermyManager=(ActivityManager)context.getSystemService(Context.ACTIVITY_SERVICE);
ArrayListrunningService=(ArrayList)myManager.getRunningServices(Integer.MAX_VALUE);
for(inti=0;itask=myManager.getRunningTasks(1);
ComponentNamecomponentInfo=task.get(0).topActivity;
if(componentInfo.getPackageName().equals(PackageName))
returntrue;
returnfalse;
}

/**
*判断某个app进程是否在运行
*
*@paramcontext
*@paramappInfo
*@return
*/
publicstaticbooleanisRunningProcess(Contextcontext,StringappInfo){
ActivityManagermyManager=(ActivityManager)context.getSystemService(Context.ACTIVITY_SERVICE);
ListrunningAppPs=myManager.getRunningAppProcesses();
if(runningAppPs!=null&&runningAppPs.size()>0){
if(runningAppPs.contains(appInfo)){
returntrue;
}
}
returnfalse;
}

/**
*判断一个Activity是否正在运行
*
*@parampkgpkg为应用包名
*@paramclscls为类名eg
*@paramcontext
*@return
*/
publicstaticbooleanisClsRunning(Contextcontext,Stringpkg,Stringcls){
ActivityManageram=(ActivityManager)context.getSystemService(Context.ACTIVITY_SERVICE);
Listtasks=am.getRunningTasks(1);
ActivityManager.RunningTaskInfotask=tasks.get(0);
if(task!=null){
returnTextUtils.equals(task.topActivity.getPackageName(),pkg)&&
TextUtils.equals(task.topActivity.getClassName(),cls);
}
returnfalse;
}
}

4.MainActivity中启动监控服务

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

5.停止监控服务

发送一个杀死进程广播即可，action值如下

Intentintent=newIntent();
intent.setAction("kill_self");
sendOrderedBroadcast(intent,null);

好了，今天就分享到这里了。。。

以上这篇Android检测Activity或者Service是否运行的方法就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持毛票票。

Android检测Activity或者Service是否运行的方法

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