2013-02-05 163 views
3

即使有前臺服務,我的android應用程序在後臺死亡。 這裏是孔清單:應用程序崩潰,甚至與startforeground

<?xml version="1.0" encoding="utf-8"?> 

<supports-screens 
    android:anyDensity="true" 
    android:largeScreens="true" 
    android:normalScreens="true" 
    android:smallScreens="true" > 
</supports-screens> 

<application 
    android:debuggable="true" 
    android:icon="@drawable/icon" 
    android:label="TritonHK" 
    android:theme="@android:style/Theme.NoTitleBar" > 
    <activity 
     android:name=".LoginActivity" 
     android:screenOrientation="portrait" > 
     <intent-filter> 
      <action android:name="android.intent.action.MAIN" /> 

      <category android:name="android.intent.category.LAUNCHER" /> 
     </intent-filter> 
    </activity> 

    <service 
     android:name=".MyService" 
     android:icon="@drawable/icon" 
     android:label="TritonHK" 
     android:process=":my_process" > 
    </service> 

    <activity 
     android:name="Setting" 
     android:configChanges="orientation" 
     android:screenOrientation="portrait" > 
    </activity> 
    <activity 
     android:name="MenuScreen" 
     android:configChanges="orientation" 
     android:screenOrientation="portrait" > 
    </activity> 
    <activity 
     android:name="TaskSheetList" 
     android:configChanges="orientation" 
     android:screenOrientation="portrait" > 
    </activity> 
    <activity 
     android:name="TaskDetails" 
     android:configChanges="orientation" 
     android:screenOrientation="portrait" > 
    </activity> 
    <activity 
     android:name="CreditsList" 
     android:configChanges="orientation" 
     android:screenOrientation="portrait" > 
    </activity> 
    <activity 
     android:name="SectionsList" 
     android:configChanges="orientation" 
     android:screenOrientation="portrait" > 
    </activity> 
    <activity 
     android:name="SuperDashboard" 
     android:configChanges="orientation" 
     android:screenOrientation="portrait" > 
    </activity> 
    <activity 
     android:name="InspectionActivity" 
     android:configChanges="orientation" 
     android:screenOrientation="portrait" > 
    </activity> 
    <activity 
     android:name="Inbox" 
     android:configChanges="orientation" 
     android:screenOrientation="portrait" > 
    </activity> 
    <activity 
     android:name="InspectionDetail" 
     android:configChanges="orientation" 
     android:screenOrientation="portrait" > 
    </activity> 
    <activity 
     android:name="StaffListView" 
     android:configChanges="orientation" 
     android:screenOrientation="portrait" > 
    </activity> 
    <activity 
     android:name="MultiTaskSheetListView" 
     android:configChanges="orientation" 
     android:screenOrientation="portrait" > 
    </activity> 
    <activity 
     android:name="CheckListItemDetails" 
     android:configChanges="orientation" 
     android:screenOrientation="portrait" > 
    </activity> 
    <activity 
     android:name="OpenJobs" 
     android:configChanges="orientation" 
     android:screenOrientation="portrait" > 
    </activity> 
    <activity 
     android:name="GuestDetails" 
     android:configChanges="orientation" 
     android:screenOrientation="portrait" > 
    </activity> 
    <activity 
     android:name="MessageList" 
     android:configChanges="orientation" 
     android:screenOrientation="portrait" > 
    </activity> 
    <activity 
     android:name="ImageCollectionActivity" 
     android:configChanges="orientation" 
     android:screenOrientation="portrait" > 
    </activity> 
    <activity 
     android:name="NewBGMessages" 
     android:configChanges="orientation" 
     android:screenOrientation="portrait" > 
    </activity> 
</application> 
<!-- Added for 4.1 Android os --> 
<uses-sdk android:minSdkVersion="7" /> 

<uses-feature android:name="android.hardware.camera" /> 
<uses-feature android:name="android.hardware.camera.autofocus" /> 
<uses-feature android:name="android.hardware.telephony" /> 

<uses-permission android:name="android.permission.CAMERA" /> 
<uses-permission android:name="android.permission.INTERNET" > 
</uses-permission> 
<uses-permission android:name="android.permission.READ_PHONE_STATE" > 
</uses-permission> 
<uses-permission android:name="android.permission.CALL_PHONE" > 
</uses-permission> 
<uses-permission android:name="android.permission.VIBRATE" /> 
<uses-permission android:name="android.permission.SET_WALLPAPER" > 
</uses-permission> 
<uses-permission android:name="android.permission.GET_TASKS" /> 
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /> 
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> 

這裏是service

MLog.w(getClass().getName(), "TritonHK started"); 

     Notification note=new Notification(R.drawable.icon, 
              "TritonHK is running", 
              System.currentTimeMillis()); 
     Intent i=new Intent(this, BGMessages.class); 

     i.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP| 
        Intent.FLAG_ACTIVITY_SINGLE_TOP); 

     PendingIntent pi=PendingIntent.getActivity(this, 0, 
                i, 0); 

     note.setLatestEventInfo(this, "TritonHK", 
           "TritonHK", 
           pi); 
     note.flags|=Notification.FLAG_NO_CLEAR; 

     startForeground(1337, note); 

的代碼,這裏是我如何我開始我的service

Intent i=new Intent(this, MyService.class); 

     startService(i); 

這裏只是當時的logcat的時候被打死:

02-05 10:04:16.676 D/dalvikvm(20458): GC_CONCURRENT freed 2010K, 54% free 3862K/8327K, external 11961K/14009K, paused 13ms+2ms 
02-05 10:04:20.576 D/dalvikvm(19610): GC_CONCURRENT freed 511K, 52% free 2973K/6151K, external 2171K/2711K, paused 2ms+2ms 
02-05 10:04:28.256 D/dalvikvm(19610): GC_CONCURRENT freed 449K, 52% free 2966K/6151K, external 2112K/2638K, paused 2ms+11ms 
02-05 10:04:32.626 D/dalvikvm(20458): GC_CONCURRENT freed 1970K, 54% free 3862K/8327K, external 11961K/14009K, paused 7ms+2ms 
02-05 10:04:43.216 D/dalvikvm(19610): GC_CONCURRENT freed 498K, 52% free 2974K/6151K, external 2140K/2672K, paused 2ms+2ms 
02-05 10:04:48.266 D/dalvikvm(20458): GC_CONCURRENT freed 1974K, 54% free 3869K/8327K, external 11961K/14009K, paused 3ms+3ms 
02-05 10:04:58.746 D/dalvikvm(19610): GC_CONCURRENT freed 510K, 52% free 2973K/6151K, external 2140K/2672K, paused 1ms+2ms 
02-05 10:05:00.176 D/kernel ( 120): [40912.899353] max17040 0-0036: batt:100%, 4126 mV 
02-05 10:05:03.686 D/dalvikvm(20458): GC_CONCURRENT freed 1979K, 54% free 3862K/8327K, external 11961K/14009K, paused 7ms+3ms 
02-05 10:05:13.616 D/dalvikvm(19610): GC_CONCURRENT freed 510K, 52% free 2973K/6151K, external 2202K/2750K, paused 2ms+2ms 
02-05 10:05:19.706 D/dalvikvm(20458): GC_CONCURRENT freed 1970K, 54% free 3862K/8327K, external 11961K/14009K, paused 14ms+2ms 
02-05 10:05:21.346 D/dalvikvm(19610): GC_CONCURRENT freed 449K, 52% free 2962K/6151K, external 2112K/2638K, paused 2ms+3ms 
02-05 10:05:35.526 D/dalvikvm(20458): GC_CONCURRENT freed 2038K, 54% free 3871K/8327K, external 11961K/14009K, paused 1ms+3ms 
02-05 10:05:36.676 D/skia (20458): purging 194K from font cache [25 entries] 
02-05 10:05:36.936 D/dalvikvm(19610): GC_CONCURRENT freed 498K, 52% free 2974K/6151K, external 2202K/2750K, paused 1ms+5ms 
02-05 10:05:44.656 D/dalvikvm( 238): GC_CONCURRENT freed 1828K, 42% free 7427K/12743K, external 6677K/8035K, paused 5ms+20ms 
02-05 10:05:46.206 I/ActivityManager( 238): Starting: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10100000 cmp=com.tritonhk.android/.LoginActivity } from pid 238 
02-05 10:05:46.266 I/ActivityManager( 238): Start proc com.tritonhk.android for activity com.tritonhk.android/.TaskDetails: pid=20479 uid=10124 gids={1006, 3003, 1015} 
02-05 10:05:46.336 W/InputManagerService( 238): Window already focused, ignoring focus gain of: [email protected] 

我在我的first activityonCreate開始service

請幫我這個。

+0

你肯定Android是殺死你的進程,它不以某種方式崩潰在其自己的? logcat中有什麼? –

+0

當你說「Android殺了你的應用程序」時,你的意思是服務運行的過程,或者你的活動正在運行的過程?你已經指定你的服務在一個單獨的進程中運行,所以我假設你有2個進程。 –

+0

我發佈了logcat,我沒有在logcat中發現任何異常。只有一項服務正在運行。 –

回答

1

你有2個獨立的過程。您的活動在一個流程中運行,您的服務在另一個流程中運行。你已經告訴Android,你的服務是一個前臺服務,它應該可以防止Android殺死它。但是,您的活動正在另一個進程中運行,並且當該進程進入後臺時,Android會將其關閉。

要解決此問題,請將您的服務和活動置於相同的過程中。然後,Android將不會因爲您運行了前臺服務而終止該進程。當然,不能保證Android不會終止你的進程(如果它需要這些資源的話),但是如果你的應用程序不是資源管理器,它將會保持活力。

爲了把服務和在同一進程的活動,在您的清單從<service>描述刪除此行:

android:process=":my_process" 
1

偏偏有沒有那麼garanties您的服務將不會受到機器人殺死任何可能性:見http://www.androidguys.com/2009/09/09/diamonds-are-forever-services-are-not/

保持服務活着的時間無限量也不是一個好主意:http://www.androidguys.com/2010/03/29/code-pollution-background-control/

你可以使用一些方法來增加服務的優先級,但是在某一時刻,這個服務會被殺死。

+0

如何提高優先級以使它可以在一定的時間內活動一小時或2小時。加上一個很好的建議 –

+0

謝謝。也爲你的問題+1。沒有時間限制或優先權。要檢查如何把更高的優先級,請參閱:http://stackoverflow.com/questions/7292533/how-it-is-possible-service-run-indefinitely-and-also-allow-binding-in-android –

+0

但正如我所說的,從我在這裏發佈鏈接的文章可以看出,無法保證你的服務不會被殺死。 –

相關問題