1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.contacts.widget; 18 19 import android.content.Context; 20 import android.util.AttributeSet; 21 import android.widget.Spinner; 22 23 /** 24 * Spinner that notifies a listener when the user taps on an item, whether or not this results 25 * in a change of selection. 26 */ 27 public class NotifyingSpinner extends Spinner { 28 29 public interface SelectionListener { 30 void onSetSelection(NotifyingSpinner view, int position); 31 } 32 33 private SelectionListener mListener; 34 35 public NotifyingSpinner(Context context) { 36 super(context); 37 } 38 39 public NotifyingSpinner(Context context, AttributeSet attrs) { 40 super(context, attrs); 41 } 42 43 public void setSetSelectionListener(SelectionListener listener) { 44 mListener = listener; 45 } 46 47 @Override 48 public void setSelection(int position) { 49 super.setSelection(position); 50 51 if (mListener != null) { 52 mListener.onSetSelection(this, position); 53 } 54 } 55 } 56
