1/* 2 * Copyright (C) 2014 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 18package android.support.v7.internal.app; 19 20import android.support.v7.app.ActionBar; 21import android.view.View; 22import android.widget.AdapterView; 23 24/** 25 * Wrapper to adapt the ActionBar.OnNavigationListener in an AdapterView.OnItemSelectedListener 26 * for use in Spinner widgets. Used by action bar implementations. 27 * 28 * @hide 29 */ 30class NavItemSelectedListener implements AdapterView.OnItemSelectedListener { 31 private final ActionBar.OnNavigationListener mListener; 32 33 public NavItemSelectedListener(ActionBar.OnNavigationListener listener) { 34 mListener = listener; 35 } 36 37 @Override 38 public void onItemSelected(AdapterView<?> parent, View view, int position, long id) { 39 if (mListener != null) { 40 mListener.onNavigationItemSelected(position, id); 41 } 42 } 43 44 @Override 45 public void onNothingSelected(AdapterView<?> parent) { 46 // Do nothing 47 } 48}