/* * 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 = (ViewGroup) findViewById(R.id.container); mSceneRoot = container; mImageView = (ImageView) 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; } }