每天的Android状态栏通知
在我的应用程序中,用户必须用计时器填写9个不同的时间。这些时间存储在SQLite数据库中。我希望用户在到达某个时间时收到状态栏通知 例如: 用户在09:00第一次填写。 如果是09:00实时,用户需要获得状态栏通知。我希望他们不需要启动应用程序,它必须是自动的 今天在stackoverflow和其他网站上花了4个多小时后,我没有成功。我尝试了以下代码,但没有成功。通知现在设置为12:00。时间到了12点,我没有收到留言 主要活动:每天的Android状态栏通知,android,alarmmanager,android-notifications,Android,Alarmmanager,Android Notifications,在我的应用程序中,用户必须用计时器填写9个不同的时间。这些时间存储在SQLite数据库中。我希望用户在到达某个时间时收到状态栏通知 例如: 用户在09:00第一次填写。 如果是09:00实时,用户需要获得状态栏通知。我希望他们不需要启动应用程序,它必须是自动的 今天在stackoverflow和其他网站上花了4个多小时后,我没有成功。我尝试了以下代码,但没有成功。通知现在设置为12:00。时间到了12点,我没有收到留言 主要活动: public class MainActivity ex
public class MainActivity extends Activity {
AlarmManager am;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Intent alarmIntent = new Intent(this, TimeAlarm.class);
PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, alarmIntent, PendingIntent.FLAG_UPDATE_CURRENT);
AlarmManager alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE);
Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.HOUR_OF_DAY, 12);
calendar.set(Calendar.MINUTE, 00);
calendar.set(Calendar.SECOND, 00);
alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), 5000, pendingIntent); } }
TimeAlarm.class:
public class TimeAlarm extends BroadcastReceiver {
NotificationManager nm;
@Override
public void onReceive(Context context, Intent intent) {
Intent startServiceIntent = new Intent(context, NotificationService.class);
context.startService(startServiceIntent);
}
}
NotificationService.class:
public class NotificationService extends Service {
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
handleIntent(intent);
return START_NOT_STICKY;
}
private NotificationManager nm;
private WakeLock mWakeLock;
@Override
public IBinder onBind(Intent intent) {
// TODO Auto-generated method stub
return null;
}
@Override
public void onDestroy() {
super.onDestroy();
mWakeLock.release();
}
private void showNotification() {
NotificationCompat.Builder mBuilder =
new NotificationCompat.Builder(this)
.setSmallIcon(R.drawable.ic_launcher)
.setContentTitle("Test")
.setContentText("Test message");
Intent resultIntent = new Intent(this, MainActivity.class);
TaskStackBuilder stackBuilder = TaskStackBuilder.create(this);
stackBuilder.addParentStack(MainActivity.class);
stackBuilder.addNextIntent(resultIntent);
PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(0, PendingIntent.FLAG_UPDATE_CURRENT);
mBuilder.setContentIntent(resultPendingIntent);
NotificationManager mNotificationManager = (NotificationManager) this.getSystemService(Context.NOTIFICATION_SERVICE);
mNotificationManager.notify(1, mBuilder.build());
}
private class PollTask extends AsyncTask<Void, Void, Void> {
@Override
protected Void doInBackground(Void... params) {
showNotification();
return null;
}
@Override
protected void onPostExecute(Void result) {
stopSelf();
}
}
private void handleIntent(Intent intent) {
PowerManager pm = (PowerManager) getSystemService(POWER_SERVICE);
mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
"NotificationsService");
mWakeLock.acquire();
ConnectivityManager cm = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
if (!cm.getBackgroundDataSetting()) {
stopSelf();
return;
}
new PollTask().execute();
}
公共类NotificationService扩展服务{
@凌驾
公共int onStartCommand(Intent Intent、int标志、int startId){
手册内容(意图);
返回开始时间不粘;
}
私人通知经理nm;
私人WakeLock mWakeLock;
@凌驾
公共IBinder onBind(意向){
//TODO自动生成的方法存根
返回null;
}
@凌驾
公共空间{
super.ondestory();
mWakeLock.release();
}
私有void showNotification(){
NotificationCompat.Builder mBuilder=
新建NotificationCompat.Builder(此)
.setSmallIcon(R.drawable.ic_启动器)
.setContentTitle(“测试”)
.setContentText(“测试消息”);
Intent resultIntent=新的Intent(此,MainActivity.class);
TaskStackBuilder stackBuilder=TaskStackBuilder.create(此);
stackBuilder.addParentStack(MainActivity.class);
stackBuilder.addNextIntent(resultIntent);
PendingEvent ResultPendingEvent=stackBuilder.GetPendingEvent(0,PendingEvent.FLAG_UPDATE_CURRENT);
mBuilder.setContentIntent(resultPendingContent);
NotificationManager mNotificationManager=(NotificationManager)this.getSystemService(Context.NOTIFICATION\u服务);
mNotificationManager.notify(1,mBuilder.build());
}
私有类PollTask扩展了AsyncTask{
@凌驾
受保护的Void doInBackground(Void…参数){
showNotification();
返回null;
}
@凌驾
受保护的void onPostExecute(void结果){
stopSelf();
}
}
私人无效手册内容(意图){
PowerManager pm=(PowerManager)getSystemService(POWER\u服务);
mWakeLock=pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
“通知服务”);
mWakeLock.acquire();
ConnectivityManager cm=(ConnectivityManager)getSystemService(CONNECTIVITY_服务);
如果(!cm.getBackgroundDataSetting()){
stopSelf();
返回;
}
新建PollTask().execute();
}
AndroidManifest:
<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.test.app"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="17" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission
android:name="com.test.app.permission.C2D_MESSAGE" />
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
<!-- This app has permission to register and receive data message. -->
<uses-permission
android:name="com.google.android.c2dm.permission.RECEIVE" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@android:style/Theme.Black.NoTitleBar.Fullscreen" >
<activity
android:name="com.test.app.MainActivity"
android:label="@string/app_name"
android:screenOrientation="portrait" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<receiver android:name="com.test.app.TimeAlarm">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED" />
</intent-filter>
</receiver>
</application>
</manifest>
尝试将START\u NOT\u STICKY更改为START\u STICKY;。如果您的服务不粘性,android不会尝试重新启动它,如果必须关闭它才能为内存中的其他应用腾出空间。啊,谢谢,但不幸的是,它不起作用。我的问题有一个例子吗?我发布的代码不起作用。所以我需要一个状态栏通知当实时时间与节省的时间相匹配时,除周末外每天重复。