blocks|key|646312|text|我会从完全填写Notification开始。演示startForeground()用法的Here+is+a+sample+project。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|646313|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/commonsguy/cw-omnibus/tree/v8.4/Notifications/Foreground^0|7|C|O|H|18|O|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@$9|O|A|P|B|C]|$9|Q|A|R|B|C]]|D|@$9|S|A|T|1|U]]|E|$]]|$1|F|3|-4|5|6|7|V|8|@]|D|@]|E|$]]]|G|$H|$5|I|J|K|E|$L|M]]]]

I'd start by completely filling in the <code>Notification</code>. <a href="https://github.com/commonsguy/cw-omnibus/tree/v8.4/Notifications/Foreground" rel="noreferrer">Here is a sample project</a> demonstrating the use of <code>startForeground()</code>.

blocks|key|863620|text|这是我将服务设置为前台的代码：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|863621|private+void+runAsForeground(){
++++Intent+notificationIntent+=+new+Intent(this,+RecorderMainActivity.class);
++++PendingIntent+pendingIntent=PendingIntent.getActivity(this,+0,
++++++++++++notificationIntent,+Intent.FLAG_ACTIVITY_NEW_TASK);

++++Notification+notification=new+NotificationCompat.Builder(this)
++++++++++++++++++++++++++++++++.setSmallIcon(R.drawable.ic_launcher)
++++++++++++++++++++++++++++++++.setContentText(getString(R.string.isRecording))
++++++++++++++++++++++++++++++++.setContentIntent(pendingIntent).build();

++++startForeground(NOTIFICATION_ID,+notification);

}|code-block|syntax|javascript|863622|我需要使用PendingIntent构建一个通知，这样我就可以从该通知开始我的主要活动。|863623|要删除通知，只需调用stopForeground(True)即可；|863624|它在onStartCommand()中调用。请参考我的代码：https://github.com/bearstand/greyparrot/blob/master/src/com/xiong/richard/greyparrot/Mp3Recorder.java|offset|length|863625|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/bearstand/greyparrot/blob/master/src/com/xiong/richard/greyparrot/Mp3Recorder.java^0|0|0|0|0|U|2T|0|0^^$0|@$1|2|3|4|5|6|7|W|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|X|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Y|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|Z|8|@]|9|@]|A|$]]|$1|K|3|L|5|6|7|10|8|@]|9|@$M|11|N|12|1|13]]|A|$]]|$1|O|3|-4|5|6|7|14|8|@]|9|@]|A|$]]]|P|$Q|$5|R|S|T|A|$U|V]]]]

This is my code to set the service to foreground:

<pre><code>private void runAsForeground(){
 Intent notificationIntent = new Intent(this, RecorderMainActivity.class);
 PendingIntent pendingIntent=PendingIntent.getActivity(this, 0,
 notificationIntent, Intent.FLAG_ACTIVITY_NEW_TASK);

 Notification notification=new NotificationCompat.Builder(this)
 .setSmallIcon(R.drawable.ic_launcher)
 .setContentText(getString(R.string.isRecording))
 .setContentIntent(pendingIntent).build();

 startForeground(NOTIFICATION_ID, notification);

}
</code></pre>

I need to build a notification using PendingIntent, so that I can start my main activity from the notification.

To remove the notification, just call the stopForeground(true);

It is called in the onStartCommand(). Please refer to my code at : <a href="https://github.com/bearstand/greyparrot/blob/master/src/com/xiong/richard/greyparrot/Mp3Recorder.java" rel="noreferrer">https://github.com/bearstand/greyparrot/blob/master/src/com/xiong/richard/greyparrot/Mp3Recorder.java</a>

blocks|key|863666|text|从您的主活动中，使用以下代码启动服务：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|863667|Intent+i+=+new+Intent(context,+MyService.class);+
context.startService(i);|code-block|syntax|javascript|863668|然后，在您的onCreate()服务中，您将构建通知并将其设置为前台，如下所示：|offset|length|style|CODE|863669|Intent+notificationIntent+=+new+Intent(this,+MainActivity.class);

PendingIntent+pendingIntent+=+PendingIntent.getActivity(this,+0,
++++++++++++++++notificationIntent,+0);

Notification+notification+=+new+NotificationCompat.Builder(this)
++++++++++++++++.setSmallIcon(R.mipmap.app_icon)
++++++++++++++++.setContentTitle("My+Awesome+App")
++++++++++++++++.setContentText("Doing+some+work...")
++++++++++++++++.setContentIntent(pendingIntent).build();

startForeground(1337,+notification);|863670|entityMap^0|0|0|6|A|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|S|8|@$I|T|J|U|K|L]]|9|@]|A|$]]|$1|M|3|N|5|D|7|V|8|@]|9|@]|A|$E|F]]|$1|O|3|-4|5|6|7|W|8|@]|9|@]|A|$]]]|P|$]]

From your main activity, start the service with the following code:

<pre><code>Intent i = new Intent(context, MyService.class); 
context.startService(i);
</code></pre>

Then in your service for <code>onCreate()</code> you would build your notification and set it as foreground like so:

<pre><code>Intent notificationIntent = new Intent(this, MainActivity.class);

PendingIntent pendingIntent = PendingIntent.getActivity(this, 0,
 notificationIntent, 0);

Notification notification = new NotificationCompat.Builder(this)
 .setSmallIcon(R.mipmap.app_icon)
 .setContentTitle("My Awesome App")
 .setContentText("Doing some work...")
 .setContentIntent(pendingIntent).build();

startForeground(1337, notification);
</code></pre>

blocks|key|863729|text|@mikebertiean解决方案几乎做到了这一点，但我遇到了这个额外的问题--我使用了Gingerbread系统，我不想仅仅为了运行通知而添加一些额外的包。最后我找到了：https://android.googlesource.com/platform/frameworks/support.git%2B/f9fd97499795cd47473f0344e00db9c9837eea36/v4/gingerbread/android/support/v4/app/NotificationCompatGingerbread.java|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|863730|然后我遇到了另一个问题--当我的应用程序运行时，通知会简单地杀死它(如何解决这个问题：Android:+How+to+avoid+that+clicking+on+a+Notification+calls+onCreate())，所以我的服务代码总体上看起来像这样(C#/Xamarin)：|863731|Intent+notificationIntent+=+new+Intent(this,+typeof(MainActivity));
//+make+the+changes+to+manifest+as+well
notificationIntent.SetFlags(ActivityFlags.ClearTop+%7C+ActivityFlags.SingleTop);
PendingIntent+pendingIntent+=+PendingIntent.GetActivity(this,+0,+notificationIntent,+0);
Notification+notification+=+new+Notification(Resource.Drawable.Icon,+"Starting+service");
notification.SetLatestEventInfo(this,+"MyApp",+"Monitoring...",+pendingIntent);
StartForeground(1337,+notification);|code-block|syntax|javascript|863732|entityMap|0|LINK|mutability|MUTABLE|url|https://android.googlesource.com/platform/frameworks/support.git%2B/f9fd97499795cd47473f0344e00db9c9837eea36/v4/gingerbread/android/support/v4/app/NotificationCompatGingerbread.java|1|https://stackoverflow.com/questions/3378193/android-how-to-avoid-that-clicking-on-a-notification-calls-oncreate^0|2E|4Z|0|0|17|1Y|1|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@$A|V|B|W|1|X]]|C|$]]|$1|D|3|E|5|6|7|Y|8|@]|9|@$A|Z|B|10|1|11]]|C|$]]|$1|F|3|G|5|H|7|12|8|@]|9|@]|C|$I|J]]|$1|K|3|-4|5|6|7|13|8|@]|9|@]|C|$]]]|L|$M|$5|N|O|P|C|$Q|R]]|S|$5|N|O|P|C|$Q|T]]]]

@mikebertiean solution almost did the trick, but I had this problem with additional twist -- I use Gingerbread system and I didn't want to add some extra package just to run notification. Finally I found:
<a href="https://android.googlesource.com/platform/frameworks/support.git+/f9fd97499795cd47473f0344e00db9c9837eea36/v4/gingerbread/android/support/v4/app/NotificationCompatGingerbread.java" rel="nofollow noreferrer">https://android.googlesource.com/platform/frameworks/support.git+/f9fd97499795cd47473f0344e00db9c9837eea36/v4/gingerbread/android/support/v4/app/NotificationCompatGingerbread.java</a>
then I hit additional problem -- notification simply kills my app when it runs (how to solve this problem: <a href="https://stackoverflow.com/questions/3378193/android-how-to-avoid-that-clicking-on-a-notification-calls-oncreate">Android: How to avoid that clicking on a Notification calls onCreate()</a>), so in total my code in service looks like this (C#/Xamarin):
<pre><code>Intent notificationIntent = new Intent(this, typeof(MainActivity));
// make the changes to manifest as well
notificationIntent.SetFlags(ActivityFlags.ClearTop | ActivityFlags.SingleTop);
PendingIntent pendingIntent = PendingIntent.GetActivity(this, 0, notificationIntent, 0);
Notification notification = new Notification(Resource.Drawable.Icon, &quot;Starting service&quot;);
notification.SetLatestEventInfo(this, &quot;MyApp&quot;, &quot;Monitoring...&quot;, pendingIntent);
StartForeground(1337, notification);
</code></pre>

So I'm not sure where/how to implement this method to make my service run in the foreground. Currently I start my service by the following in another activity: 

<pre><code>Intent i = new Intent(context, myService.class); 
context.startService(i);
</code></pre>

And then in myServices' onCreate() I try the startForeground()...? 

<pre><code>Notification notification = new Notification();
startForeground(1, notification);
</code></pre>

So yeah I'm a bit lost and unsure of how to implement this.

Android - implementing startForeground for a service?

Xamarin

所以我不确定在哪里/如何实现这个方法来让我的服务在前台运行。目前，我在另一个活动中通过以下方式启动我的服务：Intent i = new Intent(context, myService.class); context.startService(i);然后在myServices的onCreate()中，我尝试了sta...

问Android -为服务实现startForeground？
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