Prevent RecyclerView from jumping up to top after synchronization finished (9da6b395) · Commits · e / os / Notes

app/src/main/java/it/niedermann/owncloud/notes/android/activity/NotesListViewActivity.java

+5 −1

Original line number	Diff line number	Diff line
		@@ -100,7 +100,11 @@ public class NotesListViewActivity extends AppCompatActivity implements
		if (mActionMode != null) {
		mActionMode.finish();
		}
		if(adapter == null) {
		setListView(db.getNotes());
		} else { // Do not reinstanciate but only update the adapter
		adapter.checkForUpdates(db.getNotes());
		}
		}
		});
		db.getNoteServerSyncHelper().downloadNotes();

app/src/main/java/it/niedermann/owncloud/notes/model/ItemAdapter.java

+34 −2

Original line number	Diff line number	Diff line
		@@ -8,6 +8,7 @@ import android.view.ViewGroup;
		import android.widget.TextView;

		import java.util.ArrayList;
		import java.util.Calendar;
		import java.util.List;

		import it.niedermann.owncloud.notes.R;
		@@ -34,11 +35,42 @@ public class ItemAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
		ItemAdapter.noteClickListener = noteClickListener;
		}

		public void add(Note createdNote) {
		itemList.add(0, createdNote);
		public void add(Note note) {
		itemList.add(0, note);
		notifyDataSetChanged();
		}

		/**
		* Compares the given List of notes to the current internal holded notes and updates the list if necessairy
		* @param newNotes List of more up to date notes
		*/
		public void checkForUpdates(List<Note> newNotes) {
		for(Note newNote : newNotes) {
		boolean foundNewNoteInOldList = false;
		for(Item oldItem : itemList) {
		if(!oldItem.isSection()) {
		Note oldNote = (Note) oldItem;
		if(newNote.getId() == oldNote.getId()) {
		// Notes have the same id, check which is newer
		if(newNote.getModified().after(oldNote.getModified())) {
		Log.v("Note", "Replacing old Note with new Note (new Note is more up to date)");
		int indexOfOldNote = itemList.indexOf(oldNote);
		itemList.remove(indexOfOldNote);
		itemList.add(indexOfOldNote, newNote);
		this.notifyDataSetChanged();
		}
		foundNewNoteInOldList = true;
		break;
		}
		}
		}
		if(!foundNewNoteInOldList) {
		Log.v("Note", "new note not found -- adding now.... " + newNote);
		add(newNote);
		}
		}
		}

		// Create new views (invoked by the layout manager)
		@Override
		public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent,