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; 18 19 import android.app.Fragment; 20 import android.os.Bundle; 21 22 /** 23 * Parent for all fragments that use Presenters and Ui design. 24 */ 25 public abstract class BaseFragment<T extends Presenter<U>, U extends Ui> extends Fragment { 26 27 private T mPresenter; 28 createPresenter()29 abstract T createPresenter(); 30 getUi()31 abstract U getUi(); 32 BaseFragment()33 protected BaseFragment() { 34 mPresenter = createPresenter(); 35 } 36 37 /** 38 * Presenter will be available after onActivityCreated(). 39 * 40 * @return The presenter associated with this fragment. 41 */ getPresenter()42 public T getPresenter() { 43 return mPresenter; 44 } 45 46 @Override onActivityCreated(Bundle savedInstanceState)47 public void onActivityCreated(Bundle savedInstanceState) { 48 super.onActivityCreated(savedInstanceState); 49 mPresenter.onUiReady(getUi()); 50 } 51 52 @Override onCreate(Bundle savedInstanceState)53 public void onCreate(Bundle savedInstanceState) { 54 super.onCreate(savedInstanceState); 55 if (savedInstanceState != null) { 56 mPresenter.onRestoreInstanceState(savedInstanceState); 57 } 58 } 59 60 @Override onDestroyView()61 public void onDestroyView() { 62 super.onDestroyView(); 63 mPresenter.onUiDestroy(getUi()); 64 } 65 66 @Override onSaveInstanceState(Bundle outState)67 public void onSaveInstanceState(Bundle outState) { 68 super.onSaveInstanceState(outState); 69 mPresenter.onSaveInstanceState(outState); 70 } 71 } 72