1 /* 2 * Copyright (C) 2018 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 package com.android.launcher3.graphics; 17 18 import android.app.Fragment; 19 import android.content.Context; 20 import android.os.Bundle; 21 22 /** 23 * Extension of fragment, with support for preview mode. 24 */ 25 public class FragmentWithPreview extends Fragment { 26 27 private Context mPreviewContext; 28 onCreate(Bundle savedInstanceState)29 public final void onCreate(Bundle savedInstanceState) { 30 super.onCreate(savedInstanceState); 31 onInit(savedInstanceState); 32 } 33 onInit(Bundle savedInstanceState)34 public void onInit(Bundle savedInstanceState) { } 35 36 getContext()37 public Context getContext() { 38 return mPreviewContext != null ? mPreviewContext : getActivity(); 39 } 40 enterPreviewMode(Context context)41 void enterPreviewMode(Context context) { 42 mPreviewContext = context; 43 } 44 isInPreviewMode()45 public boolean isInPreviewMode() { 46 return mPreviewContext != null; 47 } 48 } 49