Blocking ListView

gistfile1.java

import android.content.Context;
import android.util.AttributeSet;
import android.widget.ListView;

public class BlockingListView extends ListView {

    private boolean mBlockLayoutChildren;

    public BlockingListView(Context context) {
        super(context);
    }

    public BlockingListView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public void setBlockLayoutChildren(boolean block) {
        mBlockLayoutChildren = block;
    }

    @Override
    protected void layoutChildren() {
        if (!mBlockLayoutChildren) {
            super.layoutChildren();
        }
    }
}


===========================
| USAGE
===========================

int firstVisPos = mListView.getFirstVisiblePosition();
View firstVisView = mListView.getChildAt(0);
int top = firstVisView != null ? firstVisView.getTop() : 0;

mListView.setBlockLayoutChildren(true);

int numberOfItemsAddedBeforeFirstVisible = ...;
mAdapter.swapCursor(...);

mListView.setBlockLayoutChildren(false);
mListView.setSelectionFromTop(firstVisPos + numberOfItemsAddedBeforeFirstVisible, top)