18739b58f7860d8d03916b9a529d1fd5950937626Adam Powell/* 28739b58f7860d8d03916b9a529d1fd5950937626Adam Powell * Copyright (C) 2012 The Android Open Source Project 38739b58f7860d8d03916b9a529d1fd5950937626Adam Powell * 48739b58f7860d8d03916b9a529d1fd5950937626Adam Powell * Licensed under the Apache License, Version 2.0 (the "License"); 58739b58f7860d8d03916b9a529d1fd5950937626Adam Powell * you may not use this file except in compliance with the License. 68739b58f7860d8d03916b9a529d1fd5950937626Adam Powell * You may obtain a copy of the License at 78739b58f7860d8d03916b9a529d1fd5950937626Adam Powell * 88739b58f7860d8d03916b9a529d1fd5950937626Adam Powell * http://www.apache.org/licenses/LICENSE-2.0 98739b58f7860d8d03916b9a529d1fd5950937626Adam Powell * 108739b58f7860d8d03916b9a529d1fd5950937626Adam Powell * Unless required by applicable law or agreed to in writing, software 118739b58f7860d8d03916b9a529d1fd5950937626Adam Powell * distributed under the License is distributed on an "AS IS" BASIS, 128739b58f7860d8d03916b9a529d1fd5950937626Adam Powell * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 138739b58f7860d8d03916b9a529d1fd5950937626Adam Powell * See the License for the specific language governing permissions and 148739b58f7860d8d03916b9a529d1fd5950937626Adam Powell * limitations under the License. 158739b58f7860d8d03916b9a529d1fd5950937626Adam Powell */ 168739b58f7860d8d03916b9a529d1fd5950937626Adam Powell 178739b58f7860d8d03916b9a529d1fd5950937626Adam Powellpackage com.example.android.support.appnavigation.app; 188739b58f7860d8d03916b9a529d1fd5950937626Adam Powell 198739b58f7860d8d03916b9a529d1fd5950937626Adam Powellimport android.app.Activity; 208739b58f7860d8d03916b9a529d1fd5950937626Adam Powellimport android.os.Build; 218739b58f7860d8d03916b9a529d1fd5950937626Adam Powell 228739b58f7860d8d03916b9a529d1fd5950937626Adam Powell/** 238739b58f7860d8d03916b9a529d1fd5950937626Adam Powell * Very limited shim for enabling the action bar's up button on devices that support it. 248739b58f7860d8d03916b9a529d1fd5950937626Adam Powell */ 258739b58f7860d8d03916b9a529d1fd5950937626Adam Powellpublic class ActionBarCompat { 268739b58f7860d8d03916b9a529d1fd5950937626Adam Powell /** 278739b58f7860d8d03916b9a529d1fd5950937626Adam Powell * This class will only ever be loaded if the version check succeeds, 288739b58f7860d8d03916b9a529d1fd5950937626Adam Powell * keeping the verifier from rejecting the use of framework classes that 298739b58f7860d8d03916b9a529d1fd5950937626Adam Powell * don't exist on older platform versions. 308739b58f7860d8d03916b9a529d1fd5950937626Adam Powell */ 318739b58f7860d8d03916b9a529d1fd5950937626Adam Powell static class ActionBarCompatImpl { 328739b58f7860d8d03916b9a529d1fd5950937626Adam Powell static void setDisplayHomeAsUpEnabled(Activity activity, boolean enable) { 338739b58f7860d8d03916b9a529d1fd5950937626Adam Powell activity.getActionBar().setDisplayHomeAsUpEnabled(enable); 348739b58f7860d8d03916b9a529d1fd5950937626Adam Powell } 358739b58f7860d8d03916b9a529d1fd5950937626Adam Powell } 368739b58f7860d8d03916b9a529d1fd5950937626Adam Powell 378739b58f7860d8d03916b9a529d1fd5950937626Adam Powell public static void setDisplayHomeAsUpEnabled(Activity activity, boolean enable) { 388739b58f7860d8d03916b9a529d1fd5950937626Adam Powell if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) { 398739b58f7860d8d03916b9a529d1fd5950937626Adam Powell ActionBarCompatImpl.setDisplayHomeAsUpEnabled(activity, enable); 408739b58f7860d8d03916b9a529d1fd5950937626Adam Powell } 418739b58f7860d8d03916b9a529d1fd5950937626Adam Powell } 428739b58f7860d8d03916b9a529d1fd5950937626Adam Powell} 43