https://bugzilla.novell.com/show_bug.cgi?id=644304
https://bugzilla.novell.com/show_bug.cgi?id=644304#c0 Summary: When using an ArrayAdapter on a ListView with custom list items loaded from an xml layout, i get a java null reference error. Classification: Mono Product: MonoDroid Version: unspecified Platform: 64bit OS/Version: Windows 7 Status: NEW Severity: Major Priority: P5 - None Component: Runtime AssignedTo: [email protected] ReportedBy: [email protected] QAContact: [email protected] Found By: Customer Blocker: Yes Created an attachment (id=393396) --> (http://bugzilla.novell.com/attachment.cgi?id=393396) repro project Description of Problem: Steps to reproduce the problem: 1. Create new monodroid project 2. add a new list item xml template in resources/layout, mark as android resource, such as: <?xml version="1.0" encoding="utf-8" ?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"; android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="50px"> <TextView id="@+id/listItem" android:layout_width="fill_parent" android:layout_height="fill_parent"/> </LinearLayout> 3. add a listview to the main layout: <ListView android:id="@+id/lstItems" android:layout_width="fill_parent" android:layout_height="fill_parent"/> 4. in your corresponding activity, wire up the list view to use the custom item: ListView lstItems = FindViewById<ListView>(Resource.id.lstItems); if (lstItems != null) { List<string> items = new List<string>(); items.Add("Coke"); items.Add("Whores"); items.Add("Debauchery"); ArrayAdapter<string> itemsAdapter = new ArrayAdapter<string>(this, Resource.layout.common_list_item, Resource.id.listItem, items); //ArrayAdapter<string> itemsAdapter = new ArrayAdapter<string>(this, Android.R.Layout.SimpleListItem1, items); lstItems.Adapter = itemsAdapter; } 5. run Actual Results: E/AndroidRuntime( 1414): FATAL EXCEPTION: main E/AndroidRuntime( 1414): java.lang.NullPointerException E/AndroidRuntime( 1414): at android.widget.ArrayAdapter.createViewFromResource(ArrayAdapter.java:353) E/AndroidRuntime( 1414): at android.widget.ArrayAdapter.getView(ArrayAdapter.java:323) E/AndroidRuntime( 1414): at android.widget.AbsListView.obtainView(AbsListView.java:1315) E/AndroidRuntime( 1414): at android.widget.ListView.makeAndAddView(ListView.java:1727) E/AndroidRuntime( 1414): at android.widget.ListView.fillDown(ListView.java:652) E/AndroidRuntime( 1414): at android.widget.ListView.fillFromTop(ListView.java:709) E/AndroidRuntime( 1414): at android.widget.ListView.layoutChildren(ListView.java:1580) E/AndroidRuntime( 1414): at android.widget.AbsListView.onLayout(AbsListView.java:1147) E/AndroidRuntime( 1414): at android.view.View.layout(View.java:7035) E/AndroidRuntime( 1414): at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1249) E/AndroidRuntime( 1414): at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1125) E/AndroidRuntime( 1414): at android.widget.LinearLayout.onLayout(LinearLayout.java:1042) E/AndroidRuntime( 1414): at android.view.View.layout(View.java:7035) E/AndroidRuntime( 1414): at android.widget.FrameLayout.onLayout(FrameLayout.java:333) E/AndroidRuntime( 1414): at android.view.View.layout(View.java:7035) E/AndroidRuntime( 1414): at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1249) E/AndroidRuntime( 1414): at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1125) E/AndroidRuntime( 1414): at android.widget.LinearLayout.onLayout(LinearLayout.java:1042) E/AndroidRuntime( 1414): at android.view.View.layout(View.java:7035) E/AndroidRuntime( 1414): at android.widget.FrameLayout.onLayout(FrameLayout.java:333) E/AndroidRuntime( 1414): at android.view.View.layout(View.java:7035) E/AndroidRuntime( 1414): at android.view.ViewRoot.performTraversals(ViewRoot.java:1045) E/AndroidRuntime( 1414): at android.view.ViewRoot.handleMessage(ViewRoot.java:1727) E/AndroidRuntime( 1414): at android.os.Handler.dispatchMessage(Handler.java:99) E/AndroidRuntime( 1414): at android.os.Looper.loop(Looper.java:123) E/AndroidRuntime( 1414): at android.app.ActivityThread.main(ActivityThread.java:4627) E/AndroidRuntime( 1414): at java.lang.reflect.Method.invokeNative(Native Method) E/AndroidRuntime( 1414): at java.lang.reflect.Method.invoke(Method.java:521) E/AndroidRuntime( 1414): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868) E/AndroidRuntime( 1414): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) E/AndroidRuntime( 1414): at dalvik.system.NativeStart.main(Native Method) Expected Results: the list view should build out just fine using the custom list item drawable How often does this happen? everytime Additional Information: -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the QA contact for the bug. 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