You are returning the parent from getView()? Why? The parent is the ListView itself, you are telling ListView to add itself to itself :)
On Wed, Mar 10, 2010 at 11:26 PM, windstorm <[email protected]> wrote: > Hi all: > > I am writing a adapter for a specific app, the problem I met is: > > I have only 1 listview in main.xml, and the row style is defined in > file_row.xml. If I simply use > > list.setAdapter(new ArrayAdapter<String>(this, R.layout.file_row, > R.id.file_name, items)); > > where items is a ArrayList<String>, everything works well. > > But if I use my custom Adapter, say, > > list.setAdapter(new MyOwnListAdapter(this, filename)); > > and in the class of MyOwnListAdapter, the code has been simplified as > > class MyOwnListAdapter extends ArrayAdapter<String> { > > // Constructor > public IconifiedTextListAdapter(Activity context, > ArrayList<String> > filename_list) { > super(context, R.layout.file_row, R.id.file_name, > filename_list); > } > > public View getView(int position, View convertView, ViewGroup > parent) { > return parent; > } > } > > But I always met the problem which is: > > E/AndroidRuntime(30321): Uncaught handler: thread main exiting due to > uncaught exception > E/AndroidRuntime(30321): java.lang.ClassCastException: > android.widget.LinearLayout$LayoutParams > E/AndroidRuntime(30321): at > android.widget.ListView.measureScrapChild(ListView.java:1068) > E/AndroidRuntime(30321): at > android.widget.ListView.measureHeightOfChildren(ListView.java:1149) > E/AndroidRuntime(30321): at > android.widget.ListView.onMeasure(ListView.java:1060) > E/AndroidRuntime(30321): at android.view.View.measure(View.java:7966) > E/AndroidRuntime(30321): at > android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:3077) > E/AndroidRuntime(30321): at > android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java: > 888) > E/AndroidRuntime(30321): at > android.widget.LinearLayout.measureVertical(LinearLayout.java:350) > E/AndroidRuntime(30321): at > android.widget.LinearLayout.onMeasure(LinearLayout.java:278) > E/AndroidRuntime(30321): at android.view.View.measure(View.java:7966) > E/AndroidRuntime(30321): at > android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:3077) > E/AndroidRuntime(30321): at > android.widget.FrameLayout.onMeasure(FrameLayout.java:245) > E/AndroidRuntime(30321): at android.view.View.measure(View.java:7966) > E/AndroidRuntime(30321): at > android.widget.LinearLayout.measureVertical(LinearLayout.java:464) > E/AndroidRuntime(30321): at > android.widget.LinearLayout.onMeasure(LinearLayout.java:278) > E/AndroidRuntime(30321): at android.view.View.measure(View.java:7966) > E/AndroidRuntime(30321): at > android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:3077) > E/AndroidRuntime(30321): at > android.widget.FrameLayout.onMeasure(FrameLayout.java:245) > E/AndroidRuntime(30321): at android.view.View.measure(View.java:7966) > E/AndroidRuntime(30321): at > android.view.ViewRoot.performTraversals(ViewRoot.java:767) > E/AndroidRuntime(30321): at > android.view.ViewRoot.handleMessage(ViewRoot.java:1639) > E/AndroidRuntime(30321): at > android.os.Handler.dispatchMessage(Handler.java:99) > E/AndroidRuntime(30321): at android.os.Looper.loop(Looper.java:123) > E/AndroidRuntime(30321): at > android.app.ActivityThread.main(ActivityThread.java:4568) > E/AndroidRuntime(30321): at > java.lang.reflect.Method.invokeNative(Native Method) > E/AndroidRuntime(30321): at > java.lang.reflect.Method.invoke(Method.java:521) > E/AndroidRuntime(30321): at com.android.internal.os.ZygoteInit > $MethodAndArgsCaller.run(ZygoteInit.java:860) > E/AndroidRuntime(30321): at > com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) > E/AndroidRuntime(30321): at dalvik.system.NativeStart.main(Native > Method) > I/Process ( 95): Sending signal. PID: 30321 SIG: 3 > I/dalvikvm(30321): threadid=7: reacting to signal 3 > E/dalvikvm(30321): Unable to open stack trace file '/data/anr/ > traces.txt': Permission denied > D/VoiceDialerReceiver(30306): onReceive Intent > { act=android.intent.action.PACKAGE_REMOVED > dat=package:info.likun.gshare flg=0x20000000 > cmp=com.android.voicedialer/.VoiceDialerReceiver (has extras) } > D/HtcWidgetScanner(29205): action - > android.intent.action.PACKAGE_REMOVED > D/HtcWidgetScanner(29205): packageUid - 10064 > D/VoiceDialerReceiver(30306): onReceive Intent > { act=android.intent.action.PACKAGE_ADDED > dat=package:info.likun.gshare flg=0x20000000 > cmp=com.android.voicedialer/.VoiceDialerReceiver (has extras) } > W/BackupManagerService( 95): dataChanged but no participant > pkg='com.htc.launcher' uid=9999 > D/PackageInstallationReceiver(15805): Removing.../data/local/tmp/ > info.likun.gshare.apk > E/PackageInstallationReceiver(15805): Remove /data/local/tmp/ > info.likun.gshare.apk Fail! > W/System.err(15805): java.io.IOException: Error running exec(). > Commands: [/system/xbin/su, 0, /system/bin/rm, /data/local/tmp/ > info.likun.gshare.apk] Working Directory: null Environment: null > W/System.err(15805): at > java.lang.ProcessManager.exec(ProcessManager.java:196) > W/System.err(15805): at java.lang.Runtime.exec(Runtime.java:225) > W/System.err(15805): at java.lang.Runtime.exec(Runtime.java:313) > W/System.err(15805): at java.lang.Runtime.exec(Runtime.java:246) > W/System.err(15805): at > com.htc.android.psclient.PackageInstallationReceiver.removeTempPackageFile(PackageInstallationReceiver.java: > 30) > W/System.err(15805): at > com.htc.android.psclient.PackageInstallationReceiver.onReceive(PackageInstallationReceiver.java: > 22) > W/System.err(15805): at > android.app.ActivityThread.handleReceiver(ActivityThread.java:2736) > W/System.err(15805): at android.app.ActivityThread.access > $3100(ActivityThread.java:126) > W/System.err(15805): at android.app.ActivityThread > $H.handleMessage(ActivityThread.java:1970) > W/System.err(15805): at > android.os.Handler.dispatchMessage(Handler.java:99) > W/System.err(15805): at android.os.Looper.loop(Looper.java:123) > W/System.err(15805): at > android.app.ActivityThread.main(ActivityThread.java:4568) > W/System.err(15805): at java.lang.reflect.Method.invokeNative(Native > Method) > W/System.err(15805): at java.lang.reflect.Method.invoke(Method.java: > 521) > W/System.err(15805): at com.android.internal.os.ZygoteInit > $MethodAndArgsCaller.run(ZygoteInit.java:860) > D/dalvikvm( 227): GC freed 2373 objects / 139472 bytes in 3446ms > W/System.err(15805): at > com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) > W/System.err(15805): at dalvik.system.NativeStart.main(Native Method) > W/System.err(15805): Caused by: java.io.IOException: No such file or > directory > W/System.err(15805): at java.lang.ProcessManager.exec(Native Method) > W/System.err(15805): at > java.lang.ProcessManager.exec(ProcessManager.java:194) > W/System.err(15805): ... 16 more > > > I thought the self-defined Adapter class actually has only one line of > valid execution, which is > > super(context, R.layout.file_row, R.id.file_name, filename_list); > > It's essentially identical to direct calling of > > list.setAdapter(new ArrayAdapter<String>(this, R.layout.file_row, > R.id.file_name, items)); > > Then why I always got this error if I call my own Adapter? > > Any hint or suggestion would be very appreciated. > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- Romain Guy Android framework engineer [email protected] 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 -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
