| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.example.android.support.appnavigation.app; |
| |
| import android.app.Activity; |
| import android.os.Build; |
| |
| /** |
| * Very limited shim for enabling the action bar's up button on devices that support it. |
| */ |
| public class ActionBarCompat { |
| /** |
| * This class will only ever be loaded if the version check succeeds, |
| * keeping the verifier from rejecting the use of framework classes that |
| * don't exist on older platform versions. |
| */ |
| static class ActionBarCompatImpl { |
| static void setDisplayHomeAsUpEnabled(Activity activity, boolean enable) { |
| activity.getActionBar().setDisplayHomeAsUpEnabled(enable); |
| } |
| } |
| |
| public static void setDisplayHomeAsUpEnabled(Activity activity, boolean enable) { |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) { |
| ActionBarCompatImpl.setDisplayHomeAsUpEnabled(activity, enable); |
| } |
| } |
| } |