我建立一个出租车预订应用程序,我需要每20秒的驾驶室当前位置。
我已经定义了一个AlarmManager并且需要它重演每20秒。但它不是经常重演。相反,它重演233秒后,并只有一次。我在做什么错在这里?
我的主屏幕上有一个内部类OnAlarmReceiver,在我的主屏幕我打电话AlarmManager的OnCreate
AlarmManager经理=(AlarmManager)getSystemService(Context.ALARM_SERVICE); 意图I =新的意图(这一点,OnAlarmReceiver.class); i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); PendingIntent PI = PendingIntent.getBroadcast(此,0,I,PendingIntent.FLAG_CANCEL_CURRENT); 日历CAL = Calendar.getInstance(); cal.add(Calendar.SECOND,20); mgr.setRepeating(AlarmManager.ELAPSED_REALTIME_WAKEUP, cal.getTimeInMillis(),God.UPDATE_PENDING_INTERVAL,PI);
内部类中的主屏幕
OnAlarmReceiver延伸的BroadcastReceiver {public类 @覆盖 公共无效的onReceive(上下文的背景下,意图意图){ // PullPendingRequests.acquireStaticLock(上下文); Toast.makeText(背景下,不要panik但你的时间到了!!!!,Toast.LENGTH_LONG) 。显示(); Log.d(Taxeeta:PullPendingRequets,CallService位置); context.startService(新意图(背景下,PullPendingRequests.class)); } }
我AndroidManifest文件有
<服务 机器人:名称=com.taxeeta.support.PullPendingRequests 机器人:启用=真 机器人:标签=@字符串/ APP_NAME 机器人:screenOrientation =画像 机器人:主题=@安卓风格/ Theme.Light.NoTitleBar/> <接收机器人:名称=。com.taxeeta.HomeScreen.OnAlarmReceiver/> < /用途>
的亚行外壳dumpsys报警输出
com.taxeeta 51471ms运行,5248唤醒 5248报警:FLG =为0x4 CMP = com.taxeeta / .HomeScreen $ OnAlarmReceiver对亚行外壳dumpsys报警
输出| grep的taxeeta
ELAPSED_WAKEUP#7:报警{409303b0 2型com.taxeeta} 操作= PendingIntent {408ba2d8:PendingIntentRecord {40887be8 com.taxeeta broadcastIntent}} com.taxeeta 5248报警:FLG =为0x4 CMP = com.taxeeta / .HomeScreen $ OnAlarmReceiver解决方案
要解决这个问题,我删除了内部类OnAlarmReceiver和固定AndroidManifest.xml文件。
<接收器 机器人:名称=com.taxeeta.support.OnAlarmReceiver 机器人:出口=真正的> <意向滤光器> <作用机器人:名称=android.intent.action.NOTIFY/> &所述; /意图滤光器> < /接收器>I am building a cab booking app, I need current location of the cab every 20 seconds.
I have defined a AlarmManager and need it to repeat itself every 20 seconds. But its not repeating itself regularly. Instead it repeated itself after 233 seconds, and just once. What am I doing wrong here ?
My HomeScreen has a inner class OnAlarmReceiver, in the onCreate of my HomeScreen I am calling AlarmManager
AlarmManager mgr = (AlarmManager) getSystemService(Context.ALARM_SERVICE); Intent i = new Intent(this, OnAlarmReceiver.class); i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); PendingIntent pi = PendingIntent.getBroadcast(this, 0, i, PendingIntent.FLAG_CANCEL_CURRENT); Calendar cal = Calendar.getInstance(); cal.add(Calendar.SECOND, 20); mgr.setRepeating(AlarmManager.ELAPSED_REALTIME_WAKEUP, cal.getTimeInMillis(), God.UPDATE_PENDING_INTERVAL, pi);Inner class in HomeScreen
public class OnAlarmReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { // PullPendingRequests.acquireStaticLock(context); Toast.makeText(context, "Don't panik but your time is up!!!!.", Toast.LENGTH_LONG) .show(); Log.d("Taxeeta:PullPendingRequets", "CallService Location"); context.startService(new Intent(context, PullPendingRequests.class)); } }My AndroidManifest file has
<service android:name="com.taxeeta.support.PullPendingRequests" android:enabled="true" android:label="@string/app_name" android:screenOrientation="portrait" android:theme="@android:style/Theme.Light.NoTitleBar" /> <receiver android:name=".taxeeta.HomeScreen.OnAlarmReceiver" /> </application>Output of adb shell dumpsys alarm
com.taxeeta 51471ms running, 5248 wakeups 5248 alarms: flg=0x4 cmp=com.taxeeta/.HomeScreen$OnAlarmReceiverOutput of adb shell dumpsys alarm | grep taxeeta
ELAPSED_WAKEUP #7: Alarm{409303b0 type 2 com.taxeeta} operation=PendingIntent{408ba2d8: PendingIntentRecord{40887be8 com.taxeeta broadcastIntent}} com.taxeeta 5248 alarms: flg=0x4 cmp=com.taxeeta/.HomeScreen$OnAlarmReceiver解决方案
To fix it, I removed the inner class OnAlarmReceiver and fixed the androidmanifest.xml file.
<receiver android:name="com.taxeeta.support.OnAlarmReceiver" android:exported="true" > <intent-filter> <action android:name="android.intent.action.NOTIFY" /> </intent-filter> </receiver>
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