This issue still happened in Donut. I want to describe my structure first. There are two main view in my Activity, one is Gallery another is a FrameLayout, I named it FullSizeViewer which can show fit-to-screen photo. When tapping a photo in Gallery, the screen changes to FullSizeViewer. FullSizeViewer adds and removes from PhoneWindow dynamically. The Gallery and FullSizeViewer load photo from SD card dynamically (Loading and decoding in the other thread, and posted bitmap back to main thread).
I found there is a member variable called 'mRealFocusedView' in ViewRoot which sets to a wrong view (the view doesn't detach to any parent) when this exception occurs and ViewRoot uses this wrong view to calculating scroll distance and drawing rectangle. In my case, when tapping a photo in Gallery and enter in FullSizeViewer, the mRealFocusedView of ViewRoot is correct basically. Sometimes the mRealFocusedView of ViewRoot is the Gallery's child view. At this moment, this issue occurs. I tried to set visibility of Gallery's child view to GONE and it is not help because the 'mRealFocusedView' of ViewRoot still not correct view. I also tried to not dynamically add or remove FullSizeViewer, but this issue still happened. The only way to solve this issue is use two Activities, one Activity contains Gallery, and another contains FullSizeViewer. But it is too slow when activity change and the screen will become black for a while. It is not acceptable for me. Besides, I need to do some transition animation when changing from Gallery to FullSizeViewer. If I use two Activities, the animation can not be implemented. I have tried to clear 'mRealFocusedView' to null by calling the 'clearChildFocus' of decoreView before the moment of exception happened. It only can reduce the probability of this issue but it can't really fix this issue. There are three situations easily to reproduce this issue. 1. Device is busy. 2. When tapping photo in Gallery, keep using track ball to scroll the Gallery. 3. When you scroll or re-layout the Gallery, press Google search key and then press back immediately. Is there any solution or work-around to prevent this issue happen? Here are my logs: 08-21 09:43:31.583 W/dalvikvm( 863): threadid=3: thread exiting with uncaught exception (group=0x4001db88) 08-21 09:43:31.583 E/AndroidRuntime( 863): Uncaught handler: thread main exiting due to uncaught exception 08-21 09:43:31.693 E/AndroidRuntime( 863): java.lang.IllegalArgumentException: parameter must be a descendant of this view 08-21 09:43:31.693 E/AndroidRuntime( 863): at android.view.ViewGroup.offsetRectBetweenParentAndChild(ViewGroup.java: 2519) 08-21 09:43:31.693 E/AndroidRuntime( 863): at android.view.ViewGroup.offsetDescendantRectToMyCoords(ViewGroup.java: 2456) 08-21 09:43:31.693 E/AndroidRuntime( 863): at android.view.ViewRoot.scrollToRectOrFocus(ViewRoot.java:1554) 08-21 09:43:31.693 E/AndroidRuntime( 863): at android.view.ViewRoot.draw(ViewRoot.java:1291) 08-21 09:43:31.693 E/AndroidRuntime( 863): at android.view.ViewRoot.performTraversals(ViewRoot.java:1174) 08-21 09:43:31.693 E/AndroidRuntime( 863): at android.view.ViewRoot.handleMessage(ViewRoot.java:1769) 08-21 09:43:31.693 E/AndroidRuntime( 863): at android.os.Handler.dispatchMessage(Handler.java:99) 08-21 09:43:31.693 E/AndroidRuntime( 863): at android.os.Looper.loop(Looper.java:123) 08-21 09:43:31.693 E/AndroidRuntime( 863): at android.app.ActivityThread.main(ActivityThread.java:4203) 08-21 09:43:31.693 E/AndroidRuntime( 863): at java.lang.reflect.Method.invokeNative(Native Method) 08-21 09:43:31.693 E/AndroidRuntime( 863): at java.lang.reflect.Method.invoke(Method.java:521) 08-21 09:43:31.693 E/AndroidRuntime( 863): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run (ZygoteInit.java:791) 08-21 09:43:31.693 E/AndroidRuntime( 863): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:549) 08-21 09:43:31.693 E/AndroidRuntime( 863): at dalvik.system.NativeStart.main(Native Method) On 8月20日, 上午1時15分, "Yusuf Saib (T-Mobile USA)" <yusuf.s...@t- Mobile.com> wrote: > Or you could git donut. > > ___ > .-" "-. > .' . ; `. > / : . ' : \ > | ` .-. . ' | > | : ( ) ; ` | > | : `-' : | > \ .` ; : / > `. . ' .' > `-.___.-' > > Yusuf Saib > Android > ·T· · ·Mobile· stick together > The views, opinions and statements in this email are those of the > author solely in their individual capacity, and do not necessarily > represent those of T-Mobile USA, Inc. > > On Aug 19, 6:06 am, Moxor <maxcambi...@gmail.com> wrote: > > > > > Thanks. I'll have to wait then :( > > > On 4 ago, 17:52, Romain Guy <romain...@google.com> wrote: > > > > Known bug it's been fixed in Donut > > > > On Tue, Aug 4, 2009 at 1:48 PM, Moxor<maxcambi...@gmail.com> wrote: > > > > > Hi, > > > > Did you manage to solve it? I have a similar problem. > > > > Every time I change the focus to a button, and then touch another > > > > button (I call setContentView()), the application crash with this > > > > Logcat: > > > > > 08-04 17:12:00.251: ERROR/AndroidRuntime(880): Uncaught handler: > > > > thread main exiting due to uncaught exception > > > > 08-04 17:12:00.292: ERROR/AndroidRuntime(880): > > > > java.lang.IllegalArgumentException: parameter must be a descendant of > > > > this view > > > > 08-04 17:12:00.292: ERROR/AndroidRuntime(880): at > > > > android.view.ViewGroup.offsetRectBetweenParentAndChild(ViewGroup.java: > > > > 2454) > > > > 08-04 17:12:00.292: ERROR/AndroidRuntime(880): at > > > > android.view.ViewGroup.offsetDescendantRectToMyCoords(ViewGroup.java: > > > > 2391) > > > > 08-04 17:12:00.292: ERROR/AndroidRuntime(880): at > > > > android.view.ViewRoot.scrollToRectOrFocus(ViewRoot.java:1301) > > > > 08-04 17:12:00.292: ERROR/AndroidRuntime(880): at > > > > android.view.ViewRoot.draw(ViewRoot.java:1107) > > > > 08-04 17:12:00.292: ERROR/AndroidRuntime(880): at > > > > android.view.ViewRoot.performTraversals(ViewRoot.java:1030) > > > > 08-04 17:12:00.292: ERROR/AndroidRuntime(880): at > > > > android.view.ViewRoot.handleMessage(ViewRoot.java:1482) > > > > 08-04 17:12:00.292: ERROR/AndroidRuntime(880): at > > > > android.os.Handler.dispatchMessage(Handler.java:99) > > > > 08-04 17:12:00.292: ERROR/AndroidRuntime(880): at > > > > android.os.Looper.loop(Looper.java:123) > > > > 08-04 17:12:00.292: ERROR/AndroidRuntime(880): at > > > > android.app.ActivityThread.main(ActivityThread.java:3948) > > > > 08-04 17:12:00.292: ERROR/AndroidRuntime(880): at > > > > java.lang.reflect.Method.invokeNative(Native Method) > > > > 08-04 17:12:00.292: ERROR/AndroidRuntime(880): at > > > > java.lang.reflect.Method.invoke(Method.java:521) > > > > 08-04 17:12:00.292: ERROR/AndroidRuntime(880): at > > > > com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run > > > > (ZygoteInit.java:782) > > > > 08-04 17:12:00.292: ERROR/AndroidRuntime(880): at > > > > com.android.internal.os.ZygoteInit.main(ZygoteInit.java:540) > > > > 08-04 17:12:00.292: ERROR/AndroidRuntime(880): at > > > > dalvik.system.NativeStart.main(Native Method) > > > > > This happens outside my code, once the onClick event is finished. > > > > > Thanks in advance. > > > > Max > > > > -- > > > Romain Guy > > > Android framework engineer > > > romain...@android.com > > > > Note: please don't send private questions to me, as I don't have time > > > to provide private support. All such questions should be posted on > > > public forums, where I and others can see and answer them- 隱藏被引用文字 - > > - 顯示被引用文字 - --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
