Crash while scrolling to second sticky header

[ghost]

Reproduction:

• ListView with two headers
• Scroll down till second header will become sticky
• SetText will cause a crash

LOGCAT

FATAL EXCEPTION: main
java.lang.NullPointerException
at android.widget.TextView.checkForRelayout(TextView.java:6729)
at android.widget.TextView.setText(TextView.java:3306)
at android.widget.TextView.setText(TextView.java:3162)
at android.widget.TextView.setText(TextView.java:3137)
at mobi.inthepocket.madoc.heuvelland.adapters.StickyThematizedAdapter.bindHeaderView(StickyThematizedAdapter.java:41)
at mobi.inthepocket.madoc.heuvelland.stickylistheader.StickyListHeadersCursorAdapter.getHeaderView(StickyListHeadersCursorAdapter.java:89)
at mobi.inthepocket.madoc.heuvelland.stickylistheader.StickyListHeadersListView.onScroll(StickyListHeadersListView.java:274)
at android.widget.AbsListView.invokeOnItemScrollListener(AbsListView.java:1276)
at android.widget.AbsListView.trackMotionScroll(AbsListView.java:4565)
at android.widget.AbsListView.scrollIfNeeded(AbsListView.java:2852)
at android.widget.AbsListView.onTouchEvent(AbsListView.java:3106)
at android.view.View.dispatchTouchEvent(View.java:5541)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:1951)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1712)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:1957)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1726)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:1957)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1726)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:1957)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1726)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:1957)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1726)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:1957)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1726)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:1957)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1726)
at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:1912)
at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1371)
at android.app.Activity.dispatchTouchEvent(Activity.java:2364)
at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1860)
at android.view.View.dispatchPointerEvent(View.java:5721)
at android.view.ViewRootImpl.deliverPointerEvent(ViewRootImpl.java:2890)
at android.view.ViewRootImpl.handleMessage(ViewRootImpl.java:2466)
at android.view.ViewRootImpl.processInputEvents(ViewRootImpl.java:845)
at android.view.ViewRootImpl.handleMessage(ViewRootImpl.java:2475)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4424)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
at dalvik.system.NativeStart.main(Native Method)

IMPLEMENTATION

@OverRide
protected View newHeaderView(Context context, Cursor cursor)
{
final TextView textView = (TextView)LayoutInflater.from(context).inflate(R.layout.listview_spotslist_header, null);
return textView;
}

@OverRide
protected void bindHeaderView(View view, Context context, Cursor cursor)
{
final ThematizedSpot t = new ThematizedSpot();
t.constructFromCursor(cursor);

if (view instanceof TextView)
{
    final TextView textView = (TextView)view;
    String text = t.getSpot().isVisited() ? context.getResources().getString(R.string.pathdetail_visited) : context.getResources().getString(R.string.pathdetail_unvisited);
    if (text == null)
        text = "";
    textView.setText(text);
}

}

@OverRide
protected long getHeaderId(Context context, Cursor cursor)
{
final ThematizedSpot t = new ThematizedSpot();
t.constructFromCursor(cursor);
return (t.getSpot().isVisited() ? 1 : 0);
}

[emilsjolander]

i really do not see why this would be happening. Could you package a small sample project where you see this bug and send it to me ?

[emilsjolander]

Fixed! it was a problem with your header not being a ViewGroup. Should work fine now

[ghost]

Thanks for the quick response!