android multiple selector for listview

MultiSelector.java

import android.util.SparseBooleanArray;

public class MultiSelector {

    private SparseBooleanArray mSelectedPositions = new SparseBooleanArray();
    private boolean mIsSelectable = false;

    public void setItemChecked(int position, boolean isChecked) {
        mSelectedPositions.put(position, isChecked);
    }

    public void toggleItem(int position){
        setItemChecked(position, !isItemChecked(position));
    }


    public boolean isItemChecked(int position) {
        return mSelectedPositions.get(position);
    }

    public void setSelectable(boolean selectable) {
        mIsSelectable = selectable;
    }

    public boolean isSelectable() {
        return mIsSelectable;
    }
}