| /* |
| * 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.transitiontests; |
| |
| import android.app.Activity; |
| import android.os.Bundle; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.transition.Crossfade; |
| import android.transition.ChangeBounds; |
| import android.transition.Scene; |
| import android.transition.Transition; |
| import android.transition.TransitionSet; |
| import android.transition.TransitionManager; |
| import android.widget.ImageView; |
| |
| public class CrossfadeImage extends Activity { |
| ViewGroup mSceneRoot; |
| static int mCurrentScene; |
| Scene mScene1, mScene2; |
| TransitionManager mTransitionManager; |
| boolean mExpanded = false; |
| Transition mTransition; |
| ImageView mImageView; |
| |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| setContentView(R.layout.crossfade_image); |
| |
| ViewGroup container = findViewById(R.id.container); |
| mSceneRoot = container; |
| |
| mImageView = findViewById(R.id.contact_picture); |
| mImageView.setScaleType(ImageView.ScaleType.FIT_CENTER); |
| |
| Crossfade mCrossfade = new Crossfade(); |
| mCrossfade.addTarget(R.id.contact_picture); |
| |
| TransitionSet group = new TransitionSet(); |
| group.setDuration(1500); |
| group.addTransition(mCrossfade).addTransition(new ChangeBounds()); |
| mTransition = group; |
| } |
| |
| public void sendMessage(View view) { |
| TransitionManager.beginDelayedTransition(mSceneRoot, mTransition); |
| if (mExpanded) { |
| mImageView.setImageResource(R.drawable.self_portrait_square_100); |
| } else { |
| mImageView.setImageResource(R.drawable.self_portrait_square_200); |
| } |
| mExpanded = !mExpanded; |
| } |
| } |