Never mind I figured it out. I had to override the builtin layout with my own layout which assigned a TouchInterceptor as the ListView for the ListActivity.
On May 30, 3:48 pm, Ben Roberts <[email protected]> wrote: > I'm trying to write an app which will present a list of items to the > user that can be reordered, so I want to use the same code that's used > in the Music app to reorder items in a playlist. This is controlled > via com.android.music.TouchInterceptor, which extends ListView. > > I copied this file into my project, changed the package to my own, > changed all references to mContext (a private field in ListAdaptor) to > getContext() because I was getting compile errors, and changed the R.* > references to my own layout ID's and icons. There are no other changes > to the class. > > In the Music app, TrackBrowserActivity sets up move listeners on its > ListView using this: > > public class TrackBrowserActivity extends ListActivity > implements View.OnCreateContextMenuListener, MusicUtils.Defs, > ServiceConnection > { > [...] > private ListView mTrackList; > [...] > /** Called when the activity is first created. */ > @Override > public void onCreate(Bundle icicle) > { > [...] > mTrackList = getListView(); > mTrackList.setOnCreateContextMenuListener(this); > if (mEditMode) { > //((TouchInterceptor) mTrackList).setDragListener > (mDragListener); > ((TouchInterceptor) mTrackList).setDropListener > (mDropListener); > ((TouchInterceptor) mTrackList).setRemoveListener > (mRemoveListener); > mTrackList.setCacheColorHint(0); > } else { > > ...so I tried doing the same thing in my app: > > public class MyClass extends ListActivity implements > OnCreateContextMenuListener { > [...] > private ListView mItemList; > [...] > @Override > protected void onCreate(Bundle icicle) { > [...] > mItemList=getListView(); > mItemList.setOnCreateContextMenuListener(this); > ((TouchInterceptor)mItemList).setDropListener(mDropListener); > ((TouchInterceptor)mItemList).setRemoveListener > (mRemoveListener); > > ...but my code results in a ClassCastException. That actually doesn't > surprise me since the ListView in my ListActivity is not an instance > of TouchInterceptor, but how come it works in the Music app when it's > doing things exactly the same way? I tried this on the 1.1 SDK and > just upgraded to 1.5 to check it there, and it occurs under both. --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
