/* * Copyright (C) 2013 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.android.incallui; import android.app.Activity; import android.app.Fragment; import android.os.Bundle; /** * Parent for all fragments that use Presenters and Ui design. */ public abstract class BaseFragment, U extends Ui> extends Fragment { private static final String KEY_FRAGMENT_HIDDEN = "key_fragment_hidden"; private T mPresenter; public abstract T createPresenter(); public abstract U getUi(); protected BaseFragment() { mPresenter = createPresenter(); } /** * Presenter will be available after onActivityCreated(). * * @return The presenter associated with this fragment. */ public T getPresenter() { return mPresenter; } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); mPresenter.onUiReady(getUi()); } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); if (savedInstanceState != null) { mPresenter.onRestoreInstanceState(savedInstanceState); if (savedInstanceState.getBoolean(KEY_FRAGMENT_HIDDEN)) { getFragmentManager().beginTransaction().hide(this).commit(); } } } @Override public void onDestroyView() { super.onDestroyView(); mPresenter.onUiDestroy(getUi()); } @Override public void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); mPresenter.onSaveInstanceState(outState); outState.putBoolean(KEY_FRAGMENT_HIDDEN, isHidden()); } @Override public void onAttach(Activity activity) { super.onAttach(activity); ((FragmentDisplayManager) activity).onFragmentAttached(this); } }