报警管理器没有激活广播接收器? [英] Alarm Manager is not activating broadcast receiver?
问题描述
我在一个应用程序的工作inwhich我使用 AlarmManager
调度的事情。我的闹钟设置。但这个报警不会调用广播接收器
写入捕捉事件。我寻觅了很多,但我没有发现任何东西,解决了问题。我张贴我的code,请看看,看看,如果我失去了一些东西。
I am working on an application inwhich I am using AlarmManager
for scheduling things. My Alarm is set. But this Alarm does not invoke BroadcastReceiver
written to catch the event. I have searched a great deal but I have not found anything that solves the issue. I am posting my code, please have a look and see if I am missing something.
AlarmManagerClass:
public class ScheduleMessageManager {
Context context;
PendingIntent sender;
AlarmManager am;
public ScheduleMessageManager(Context context) {
this.context = context;
}
public void addAlram(int scheduledMessageID, long scheduledTime) {
// Activate Broadcast Receiver to receive broadcasts
activateBroadcastReceiver();
//Calendar cal = Calendar.getInstance();
Intent intent = new Intent(context, AlarmReceiver.class);
// In reality, you would want to have a unique variable for the request
// code
intent.putExtra("scheduledMessageID", scheduledMessageID);
sender = PendingIntent.getBroadcast(context, scheduledMessageID, intent, PendingIntent.FLAG_UPDATE_CURRENT);
// Get the AlarmManager service
am = (AlarmManager) context.getSystemService(context.ALARM_SERVICE);
am.set(AlarmManager.RTC_WAKEUP, scheduledTime, sender);
Log.e("In ScheduleMessageManage", "***** Alarm is set to the mmessage *****");
}
public void cancelPeriodicSchedule(PendingIntent sender) {
if (am != null) {
if (sender != null) {
am.cancel(sender);
sender.cancel();
}
}
// Deactivate Broadcast Receiver to stop receiving broadcasts
deactivateBroadcastreceiver();
}
private void activateBroadcastReceiver() {
PackageManager pm = context.getPackageManager();
ComponentName componentName = new ComponentName(context, AlarmReceiver.class);
pm.setComponentEnabledSetting(componentName, PackageManager.COMPONENT_ENABLED_STATE_ENABLED, PackageManager.DONT_KILL_APP);
Toast.makeText(context, "activated", Toast.LENGTH_LONG).show();
}
private void deactivateBroadcastreceiver() {
// TODO Auto-generated method stub
PackageManager pm = context.getPackageManager();
ComponentName componentName = new ComponentName(context, AlarmReceiver.class);
pm.setComponentEnabledSetting(componentName, PackageManager.COMPONENT_ENABLED_STATE_DISABLED, PackageManager.DONT_KILL_APP);
Toast.makeText(context, "cancelled", Toast.LENGTH_LONG).show();
}
}
我的AlarmReceiver:
public class AlarmReceiver extends BroadcastReceiver {
int pendingIntentID; // same as scheduledMessageID
@Override
public void onReceive(Context context, Intent intent) {
Log.e("In On Receive", "Alarm has Initiated Broadcast Receiver....");
if (intent.hasExtra("scheduledMessageID")) {
pendingIntentID = intent.getExtras().getInt("scheduledMessageID");
Intent sendMessageServiceIntent = new Intent(context, SendMessageService.class);
sendMessageServiceIntent.putExtra("pendingIntentID", pendingIntentID);
context.startService(sendMessageServiceIntent);
}
}
}
OnReceieve()
永远不会被调用。
在我的的Manifest.xml
<receiver
android:name="myPackage.AlarmReceiver"
android:enabled="true" >
</receiver>
我无法找出请问问题出。请大家帮我出了。谢谢!
I am unable to figure out the does the problem lie. Please help me out of it. Thanks.!
推荐答案
在使用广播接收器的一种很好的教程中的 http://www.vogella.com/articles/AndroidBroadcastReceiver/article.html 。从本质上讲,你的接收机不声明它会收到什么样的事件。在清单文件中声明需要的是这样的:
A good tutorial on using Broadcast receivers is given in http://www.vogella.com/articles/AndroidBroadcastReceiver/article.html. In essence, your receiver doesn't declare what events it will receive. The declaration in the Manifest file needs something like:
<receiver
android:name="myPackage.AlarmReceiver"
android:enabled="true" >
<intent-filter>
<action android:name="your.company.blah.mybroadcast" />
</intent-filter>
</receiver>
当你创建的意图,它需要
And when you create the intent, it needs
Intent intent = new Intent();
intent.setAction("your.company.blah.mybroadcast");
// All the other things you want to put in the intent
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