android：taskAffinity属性的简单测试

说明：

1, com.gionee.filemanager/.FileExplorerTabActivity这个Activity启动com.gionee.filemanager/.privatespace.PrivateActivity

2, 其中com.gionee.filemanager/.privatespace.PrivateActivity添加了如下taskAffinity属性

android:taskAffinity=".private"

3, com.gionee.filemanager/.FileExplorerTabActivity没有显示添加taskAffinity属性

测试结果如下：

两个Activity启动到了不同的Task中。

ACTIVITY MANAGER ACTIVITIES (dumpsys activity activities)

Display #0 (activities from top to bottom):
Stack #1:
mFullscreen=true
mBounds=null
    Task id #226
    mFullscreen=true
    mBounds=null
    mMinWidth=-1
    mMinHeight=-1
    mLastNonFullscreenBounds=null
    * TaskRecord{577c95 #226 A=.private U=0 StackId=1 sz=1}
      userId=0 effectiveUid=u0a42 mCallingUid=u0a42 mUserSetupComplete=true mCallingPackage=com.gionee.filemanager
      affinity=.private
      intent={flg=0x10800000 cmp=com.gionee.filemanager/.privatespace.PrivateActivity}
      realActivity=com.gionee.filemanager/.privatespace.PrivateActivity
      autoRemoveRecents=false isPersistable=false numFullscreen=1 taskType=0 mTaskToReturnTo=0
      rootWasReset=false mNeverRelinquishIdentity=true mReuseTask=false mLockTaskAuth=LOCK_TASK_AUTH_PINNABLE
      Activities=[ActivityRecord{c05944c u0 com.gionee.filemanager/.privatespace.PrivateActivity t226}]
      askedCompatMode=false inRecents=true isAvailable=true
      lastThumbnail=null lastThumbnailFile=/data/system_ce/0/recent_images/226_task_thumbnail.png
      stackId=1
      hasBeenVisible=true mResizeMode=RESIZE_MODE_UNRESIZEABLE isResizeable=false firstActiveTime=1495779462251 lastActiveTime=1495779462251 (inactive for 1s)
      * Hist #0: ActivityRecord{c05944c u0 com.gionee.filemanager/.privatespace.PrivateActivity t226}
          packageName=com.gionee.filemanager processName=com.gionee.filemanager
          launchedFromUid=10042 launchedFromPackage=com.gionee.filemanager userId=0
          app=ProcessRecord{4932993 16972:com.gionee.filemanager/u0a42}
          Intent { flg=0x10800000 cmp=com.gionee.filemanager/.privatespace.PrivateActivity }
          frontOfTask=true task=TaskRecord{577c95 #226 A=.private U=0 StackId=1 sz=1}
          taskAffinity=.private
          realActivity=com.gionee.filemanager/.privatespace.PrivateActivity
          baseDir=/data/app/com.gionee.filemanager-2/base.apk
          dataDir=/data/user/0/com.gionee.filemanager
          stateNotNeeded=false componentSpecified=true mActivityType=0
          compat={320dpi} labelRes=0x7f09002e icon=0x7f0201dc theme=0x7f080025
          config={0.9 default ?mcc?mnc [zh_CN,en_US] ldltr sw360dp w360dp h616dp 320dpi nrml long port finger -keyb/v/h -nav/h s.6}
          taskConfigOverride={1.0 default ?mcc?mnc ?localeList ?layoutDir ?swdp ?wdp ?hdp ?density ?lsize ?long ?orien ?uimode ?night ?touch ?keyb/?/? ?nav/?}
          taskDescription: iconFilename=null label="null" color=fff5f5f5
          launchFailed=false launchCount=1 lastLaunchTime=-1s836ms
          haveState=false icicle=null
          state=RESUMED stopped=false delayedResume=false finishing=false
          keysPaused=false inHistory=true visible=true sleeping=false idle=true mStartingWindowState=STARTING_WINDOW_SHOWN
          fullscreen=true noDisplay=false immersive=false launchMode=2
          frozenBeforeDestroy=false forceNewConfig=false
          mActivityType=APPLICATION_ACTIVITY_TYPE
          waitingVisible=false nowVisible=true lastVisibleTime=-1s566ms
          resizeMode=RESIZE_MODE_UNRESIZEABLE
    Task id #225
    mFullscreen=true
    mBounds=null
    mMinWidth=-1
    mMinHeight=-1
    mLastNonFullscreenBounds=null
    * TaskRecord{53dcede #225 A=com.gionee.filemanager U=0 StackId=1 sz=1}
      userId=0 effectiveUid=u0a42 mCallingUid=u0a38 mUserSetupComplete=true mCallingPackage=com.gionee.amisystem
      affinity=com.gionee.filemanager
      intent={act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10200000 cmp=com.gionee.filemanager/.FileExplorerTabActivity}
      realActivity=com.gionee.filemanager/.FileExplorerTabActivity
      autoRemoveRecents=false isPersistable=true numFullscreen=1 taskType=0 mTaskToReturnTo=1
      rootWasReset=true mNeverRelinquishIdentity=true mReuseTask=false mLockTaskAuth=LOCK_TASK_AUTH_PINNABLE
      Activities=[ActivityRecord{7f1dca0 u0 com.gionee.filemanager/.FileExplorerTabActivity t225}]
      askedCompatMode=false inRecents=true isAvailable=true
      lastThumbnail=null lastThumbnailFile=/data/system_ce/0/recent_images/225_task_thumbnail.png
      stackId=1
      hasBeenVisible=true mResizeMode=RESIZE_MODE_UNRESIZEABLE isResizeable=false firstActiveTime=1495779462221 lastActiveTime=1495779462221 (inactive for 1s)
      * Hist #0: ActivityRecord{7f1dca0 u0 com.gionee.filemanager/.FileExplorerTabActivity t225}
          packageName=com.gionee.filemanager processName=com.gionee.filemanager
          launchedFromUid=10038 launchedFromPackage=com.gionee.amisystem userId=0
          app=ProcessRecord{4932993 16972:com.gionee.filemanager/u0a42}
          Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10200000 cmp=com.gionee.filemanager/.FileExplorerTabActivity bnds=[528,444][696,636] }
          frontOfTask=true task=TaskRecord{53dcede #225 A=com.gionee.filemanager U=0 StackId=1 sz=1}
          taskAffinity=com.gionee.filemanager
          realActivity=com.gionee.filemanager/.FileExplorerTabActivity
          baseDir=/data/app/com.gionee.filemanager-2/base.apk
          dataDir=/data/user/0/com.gionee.filemanager
          stateNotNeeded=false componentSpecified=true mActivityType=0
          compat={320dpi} labelRes=0x7f09002e icon=0x7f0201dc theme=0x7f080025
          config={0.9 default ?mcc?mnc [zh_CN,en_US] ldltr sw360dp w360dp h616dp 320dpi nrml long port finger -keyb/v/h -nav/h s.6}
          taskConfigOverride={1.0 default ?mcc?mnc ?localeList ?layoutDir ?swdp ?wdp ?hdp ?density ?lsize ?long ?orien ?uimode ?night ?touch ?keyb/?/? ?nav/?}
          taskDescription: iconFilename=null label="null" color=fff5f5f5
          launchFailed=false launchCount=0 lastLaunchTime=-1m2s664ms
          haveState=true icicle=Bundle[EMPTY_PARCEL]
          state=STOPPED stopped=true delayedResume=false finishing=false
          keysPaused=false inHistory=true visible=false sleeping=false idle=true mStartingWindowState=STARTING_WINDOW_SHOWN
          fullscreen=true noDisplay=false immersive=false launchMode=1
          frozenBeforeDestroy=false forceNewConfig=false
          mActivityType=APPLICATION_ACTIVITY_TYPE
          waitingVisible=false nowVisible=false lastVisibleTime=-1m2s87ms
          connections=[ConnectionRecord{34cffc4 u0 CR com.android.providers.media/.MediaScannerService:@5457ad7}, ConnectionRecord{254e5e2 u0 CR com.android.providers.media/.MediaScannerService:@34ecead}, ConnectionRecord{65e8edf u0 CR com.android.providers.media/.MediaScannerService:@e13b97e}, ConnectionRecord{9b4d5f5 u0 CR com.android.providers.media/.MediaScannerService:@544f72c}]
          resizeMode=RESIZE_MODE_UNRESIZEABLE

    Running activities (most recent first):
      TaskRecord{577c95 #226 A=.private U=0 StackId=1 sz=1}
        Run #1: ActivityRecord{c05944c u0 com.gionee.filemanager/.privatespace.PrivateActivity t226}
      TaskRecord{53dcede #225 A=com.gionee.filemanager U=0 StackId=1 sz=1}
        Run #0: ActivityRecord{7f1dca0 u0 com.gionee.filemanager/.FileExplorerTabActivity t225}

    mResumedActivity: ActivityRecord{c05944c u0 com.gionee.filemanager/.privatespace.PrivateActivity t226}
    mLastPausedActivity: ActivityRecord{7f1dca0 u0 com.gionee.filemanager/.FileExplorerTabActivity t225}

参考：

http://blog.csdn.net/chenshijun0101/article/details/9409193

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