[英]Why onDestroy() is get called when I start a notification? How to prevent it?
I have two Activities, ChatActivity
and ChatOneActivity
我有两个活动,
ChatActivity
和ChatOneActivity
I want to build a notification in the ChatActivity
,and when I press the notification, I found the onDestroy()
method is called. 我想在
ChatActivity
构建一个通知,当我按下通知时,我发现调用了onDestroy()
方法。 Why? 为什么? I can understand why the
onStop
method getting called, because the view is no longer visible. 我可以理解为什么调用
onStop
方法,因为视图不再可见。 But onDestroy()
? 但是
onDestroy()
? Why? 为什么? I didn't finish the
ChatActivity
! 我没有完成
ChatActivity
!
How do I prevent it? 我该如何预防呢? I just want the
onStop
method to get called, I don't want the Activity to get killed. 我只是希望
onStop
方法,我不希望Activity被杀死。
Here is how I build the notification 以下是我如何构建通知
private void showNotification(String id, String message) {
NotificationCompat.Builder builder = new NotificationCompat.Builder(
getApplicationContext())
.setSmallIcon(android.R.drawable.sym_action_email)
.setContentTitle("You have a new message")
.setContentText(message);
Intent intent = new Intent(ChatActivity.this, ChatOneActivity.class);
intent.putExtra("toId", id);
TaskStackBuilder stackBuilder = TaskStackBuilder
.create(ChatActivity.this);
stackBuilder.addParentStack(ChatOneActivity.class);
stackBuilder.addNextIntent(intent);
PendingIntent pendingIntent = stackBuilder.getPendingIntent(0,
PendingIntent.FLAG_CANCEL_CURRENT);
builder.setContentIntent(pendingIntent);
NotificationManager mNotificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
mNotificationManager.notify(1, builder.build());
}
And also my manifest 而且我的表现
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.webmobilegroupchat"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="11"
android:targetSdkVersion="16" />
<uses-permission android:name="android.permission.INTERNET" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.example.webmobilegroupchat.MainActivity"
android:label="@string/app_name" >
</activity>
<activity
android:name="com.example.webmobilegroupchat.ChatActivity"
android:label="@string/title_activity_chat" >
</activity>
<activity
android:name="com.example.webmobilegroupchat.ChatOneActivity"
android:label="@string/title_activity_chat_one" >
<meta-data
android:name="android.support.PARENT_ACTIVITY"
android:value="com.example.webmobilegroupchat.ChatActivity" />
</activity>
<activity
android:name="com.example.webmobilegroupchat.SplashActivity"
android:label="@string/title_activity_splash" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
Because you called this code: 因为您调用了此代码:
TaskStackBuilder stackBuilder = TaskStackBuilder.create(ChatActivity.this);
stackBuilder.addParentStack(ChatOneActivity.class);
stackBuilder.addNextIntent(intent);
PendingIntent pendingIntent = stackBuilder.getPendingIntent(0,PendingIntent.FLAG_CANCEL_CURRENT);
TaskStackBuilder.create
will return a new TaskStackBuilder for launching a fresh task stack consisting of a series of activities. TaskStackBuilder.create
将返回一个新的TaskStackBuilder,用于启动由一系列活动组成的新任务堆栈。
Replacing them with a regular pendingintent like this solved it: 用这样的常规pendingintent替换它们解决了它:
PendingIntent pendingIntent = PendingIntent.getActivity(context, (int)System.currentTimeMillis(), intent, PendingIntent.FLAG_UPDATE_CURRENT);
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