1 /* 2 * Copyright (C) 2011 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.email.activity; 18 19 import android.app.Activity; 20 import android.app.Fragment; 21 22 /** 23 * Interface for {@link Activity} that can "install" fragments. 24 */ 25 public interface FragmentInstallable { 26 /** 27 * Called when a {@link Fragment} wants to be installed to the host activity. 28 * 29 * Fragments which use this MUST call this from {@link Fragment#onActivityCreated} using 30 * {@link UiUtilities#installFragment}. 31 * 32 * This means a host {@link Activity} can safely assume a passed {@link Fragment} is already 33 * created. 34 */ 35 public void onInstallFragment(Fragment fragment); 36 37 /** 38 * Called when a {@link Fragment} wants to be uninstalled from the host activity. 39 * 40 * Fragments which use this MUST call this from {@link Fragment#onDestroyView} using 41 * {@link UiUtilities#uninstallFragment}. 42 */ 43 public void onUninstallFragment(Fragment fragment); 44 } 45
