如何的Andr​​oid在其他活动停止AlarmManager

本文介绍了如何的Andr​​oid在其他活动停止AlarmManager的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述

我使用的是被称为在活动'A'多次被AlarmManager创建的服务。我的服务是反复检查从服务器响应，当反应是真实的新活动B开始。现在，当活动B开始我想停止服务以及AlarmManager。我怎样才能做到这一点？

我的'A'活动code调用服务是继

日历CAL = Calendar.getInstance（）;    cal.add（Calendar.SECOND，40）;    意向意图=新意图（这一点，response.class）;    //添加额外的包    intent.putExtra（富，酒吧）;    //开始服务    // startService（意向）;    pintent = PendingIntent.getService（在此，0，意图，0）;    报警=（AlarmManager）getSystemService（Context.ALARM_SERVICE）;    INT I;    我= 15;    alarm.setRepeating（AlarmManager.RTC_WAKEUP，cal.getTimeInMillis（），            我* 1000，pintent）;    startService（意向）;

我也试图在活动'B'这个code段停止AlarmManager但不能

意图sintent =新意图（这一点，response.class）;     pintent = PendingIntent.getService（在此，0，sintent，0）;     报警=（AlarmManager）getSystemService（Context.ALARM_SERVICE）;     stopService（sintent）;     alarm.cancel（pintent）;

解决方案

在活动B，你应该使用相同的环境中创建sIntent如您在活动A创建它。

因此​​，在活动A我想补充一点

私有静态上下文的背景下;公共静态上下文getAppContext（）{    返回ActivityA.context;}

和里面的onCreate（）活动A的方法，初始化上下文

=背景getApplicationContext（）;

而在活动B创建sIntent是这样的：

意向意图=新意图（ActivityA.getAppContext（），ServiceClass.class）;intent.putExtra（fsasf，酒吧）;的PendingIntent pintent = PendingIntent.getService（这一点，0，意向，0）;AlarmManager报警=（AlarmManager）getSystemService（Context.ALARM_SERVICE）;stopService（意向）;alarm.cancel（pintent）;

I am using a service which is called in Activity 'A' repeatedly created by AlarmManager. My service is checking repeatedly response from server, when response is true new Activity B is started. Now when activity B is started i want to stop service as well as AlarmManager. how can i do this??

my 'A' activity code for calling service is following

Calendar cal = Calendar.getInstance(); cal.add(Calendar.SECOND, 40); Intent intent = new Intent(this, response.class); // Add extras to the bundle intent.putExtra("foo", "bar"); // Start the service // startService(intent); pintent = PendingIntent.getService(this, 0, intent, 0); alarm = (AlarmManager) getSystemService(Context.ALARM_SERVICE); int i; i = 15; alarm.setRepeating(AlarmManager.RTC_WAKEUP, cal.getTimeInMillis(), i * 1000, pintent); startService(intent);

I have also tried this code snippet in Activity 'B' to stop AlarmManager but fail

Intent sintent = new Intent(this, response.class); pintent = PendingIntent.getService(this, 0, sintent, 0); alarm = (AlarmManager) getSystemService(Context.ALARM_SERVICE); stopService(sintent); alarm.cancel(pintent);

解决方案

In Activity B you should create sIntent with the same context as you created it in Activity A.

So in Activity A I would add this

private static Context context; public static Context getAppContext(){ return ActivityA.context; }

and inside onCreate() method of Activity A, initialize context

context=getApplicationContext();

And in Activity B create sIntent like this:

Intent intent = new Intent(ActivityA.getAppContext(), ServiceClass.class); intent.putExtra("fsasf", "bar"); PendingIntent pintent = PendingIntent.getService(this, 0, intent, 0); AlarmManager alarm = (AlarmManager) getSystemService(Context.ALARM_SERVICE); stopService(intent); alarm.cancel(pintent);