1 /* 2 * Copyright (C) 2013 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.incallui.baseui; 18 19 import android.os.Bundle; 20 21 /** Base class for Presenters. */ 22 public abstract class Presenter<U extends Ui> { 23 24 private U mUi; 25 26 /** 27 * Called after the UI view has been created. That is when fragment.onViewCreated() is called. 28 * 29 * @param ui The Ui implementation that is now ready to be used. 30 */ 31 public void onUiReady(U ui) { 32 mUi = ui; 33 } 34 35 /** Called when the UI view is destroyed in Fragment.onDestroyView(). */ 36 public final void onUiDestroy(U ui) { 37 onUiUnready(ui); 38 mUi = null; 39 } 40 41 /** 42 * To be overriden by Presenter implementations. Called when the fragment is being destroyed but 43 * before ui is set to null. 44 */ 45 public void onUiUnready(U ui) {} 46 47 public void onSaveInstanceState(Bundle outState) {} 48 49 public void onRestoreInstanceState(Bundle savedInstanceState) {} 50 51 public U getUi() { 52 return mUi; 53 } 54 } 55
