我正在使用TimePicker从用户那里获取特定时间.然后,我每天都在这段时间使用此时间设置重复警报.当警报响起时,我希望将通知发送给用户.我的代码似乎是正确的,并且我在android studio中没有收到任何错误,但是当我运行此应用并在特定时间设置它时…它永远不会关闭.请帮忙.另外我还找不到任何能显示如何使用TimePicker获得AM或PM用户选择的东西.我的代码如下.提前致谢.
这是MyActivity(启动时打开的那个)
public class MyActivity extends Activity {TimePicker mTimePicker;button setAlarm;private int hour;private int minute;PendingIntent mPendingIntent;int AM_PM;@OverrIDeprotected voID onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentVIEw(R.layout.activity_my); setAlarm = (button) findVIEwByID(R.ID.setUpAlarm); mTimePicker = (TimePicker) findVIEwByID(R.ID.timePicker); setAlarm.setonClickListener(new VIEw.OnClickListener() { @OverrIDe public voID onClick(VIEw v) { setAlarm(); } });}private voID setAlarm() { hour = mTimePicker.getCurrentHour(); minute = mTimePicker.getCurrentMinute(); Intent intent = new Intent(this, NotifyService.class); AlarmManager alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE); mPendingIntent = PendingIntent.getService(this, 0, intent, 0); Calendar calendar = Calendar.getInstance(); calendar.set(Calendar.SECOND , 0 ); calendar.set(Calendar.MINUTE , 0 + minute); calendar.set(Calendar.HOUR , 0 + hour); calendar.set(Calendar.AM_PM , Calendar.PM); Toast.makeText(this, calendar.get(Calendar.MINUTE) + " " + calendar.get(Calendar.HOUR), Toast.LENGTH_SHORT).show(); // * 60 * 60 * 24 alarmManager.setRepeating(AlarmManager.RTC_WAKEUP , calendar.getTimeInMillis() , 1000 * 60 * 60 * 24 , mPendingIntent); // Toast.makeText(MyActivity.this , "Alarm Set" , Toast.LENGTH_SHORT).show();}
这是我的通知课
public class NotifyService extends Service {@OverrIDepublic IBinder onBind(Intent intent) { return null;}@OverrIDepublic voID onCreate() { Uri sound = ringtoneManager.getDefaultUri(ringtoneManager.TYPE_NOTIFICATION); notificationmanager mNM = (notificationmanager) getSystemService(NOTIFICATION_SERVICE); Intent intent = new Intent(this.getApplicationContext() , MyActivity.class); PendingIntent pendingIntent = PendingIntent.getActivity(this, 0 , intent ,0 ); Notification mNotify = new Notification.Builder(this) .setContentTitle("Come Back!") .setContentText("Have you seen todays tip?") .setSmallicon(R.drawable.ic_launcher) .setContentIntent(pendingIntent) .setSound(sound) .build(); mNM.notify( 1 , mNotify);}
}
我的清单
<manifest xmlns:androID="http://schemas.androID.com/apk/res/androID"package="com.androIDy.notificationapp" ><application androID:allowBackup="true" androID:icon="@drawable/ic_launcher" androID:label="@string/app_name" androID:theme="@style/Apptheme" > <activity androID:name=".MyActivity" androID:label="@string/app_name" > <intent-filter> <action androID:name="androID.intent.action.MAIN" /> <category androID:name="androID.intent.category.LAUNCHER" /> </intent-filter> </activity></application>
解决方法:
您必须在清单中声明您的服务,否则它将无法启动.
同样,getCurrentHour()始终以24h格式返回小时,无需知道用户输入的是AM还是PM.
http://developer.android.com/reference/android/widget/TimePicker.html#setCurrentHour(java.lang.Integer)
您可能还需要考虑将Service中的所有工作从onCreate()移到onStartCommand(),因为仅当Service不存在时才调用onCreate(),这可能是因为您似乎没有停止而已它(您也可以考虑这样做).
http://developer.android.com/guide/components/services.html
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