| /* |
| * Copyright (C) 2014 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.example.android.customtransition; |
| |
| import com.example.android.common.logger.Log; |
| |
| import android.content.Context; |
| import android.os.Bundle; |
| import android.support.v4.app.Fragment; |
| import android.transition.Scene; |
| import android.transition.Transition; |
| import android.transition.TransitionManager; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.FrameLayout; |
| |
| public class CustomTransitionFragment extends Fragment implements View.OnClickListener { |
| |
| private static final String STATE_CURRENT_SCENE = "current_scene"; |
| |
| /** Tag for the logger */ |
| private static final String TAG = "CustomTransitionFragment"; |
| |
| /** These are the Scenes we use. */ |
| private Scene[] mScenes; |
| |
| /** The current index for mScenes. */ |
| private int mCurrentScene; |
| |
| /** This is the custom Transition we use in this sample. */ |
| private Transition mTransition; |
| |
| public CustomTransitionFragment() { |
| } |
| |
| @Override |
| public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { |
| return inflater.inflate(R.layout.fragment_custom_transition, container, false); |
| } |
| |
| @Override |
| public void onViewCreated(View view, Bundle savedInstanceState) { |
| Context context = getActivity(); |
| FrameLayout container = (FrameLayout) view.findViewById(R.id.container); |
| view.findViewById(R.id.show_next_scene).setOnClickListener(this); |
| if (null != savedInstanceState) { |
| mCurrentScene = savedInstanceState.getInt(STATE_CURRENT_SCENE); |
| } |
| // We set up the Scenes here. |
| mScenes = new Scene[] { |
| Scene.getSceneForLayout(container, R.layout.scene1, context), |
| Scene.getSceneForLayout(container, R.layout.scene2, context), |
| Scene.getSceneForLayout(container, R.layout.scene3, context), |
| }; |
| // This is the custom Transition. |
| mTransition = new ChangeColor(); |
| // Show the initial Scene. |
| TransitionManager.go(mScenes[mCurrentScene % mScenes.length]); |
| } |
| |
| @Override |
| public void onSaveInstanceState(Bundle outState) { |
| super.onSaveInstanceState(outState); |
| outState.putInt(STATE_CURRENT_SCENE, mCurrentScene); |
| } |
| |
| @Override |
| public void onClick(View v) { |
| switch (v.getId()) { |
| case R.id.show_next_scene: { |
| mCurrentScene = (mCurrentScene + 1) % mScenes.length; |
| Log.i(TAG, "Transitioning to scene #" + mCurrentScene); |
| // Pass the custom Transition as second argument for TransitionManager.go |
| TransitionManager.go(mScenes[mCurrentScene], mTransition); |
| break; |
| } |
| } |
| } |
| |
| } |