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 package com.android.transitiontests; 17 18 import android.app.Activity; 19 import android.os.Bundle; 20 import android.view.View; 21 import android.view.ViewGroup; 22 import android.transition.ChangeBounds; 23 import android.transition.TransitionManager; 24 import android.widget.Button; 25 26 import static android.widget.RelativeLayout.ALIGN_PARENT_LEFT; 27 import static android.widget.RelativeLayout.ALIGN_PARENT_RIGHT; 28 import static android.widget.RelativeLayout.LayoutParams; 29 30 public class InstanceTargets extends Activity { 31 32 ViewGroup mSceneRoot; 33 static int mCurrentScene; 34 35 @Override 36 public void onCreate(Bundle savedInstanceState) { 37 super.onCreate(savedInstanceState); 38 setContentView(R.layout.instance_targets); 39 40 View container = findViewById(R.id.container); 41 mSceneRoot = (ViewGroup) container; 42 } 43 44 public void sendMessage(final View view) { 45 TransitionManager.beginDelayedTransition(mSceneRoot, new ChangeBounds().addTarget(view)); 46 for (int i = 0; i < mSceneRoot.getChildCount(); ++i) { 47 Button button = (Button) mSceneRoot.getChildAt(i); 48 LayoutParams params = (LayoutParams) button.getLayoutParams(); 49 int rules[] = params.getRules(); 50 if (rules[ALIGN_PARENT_RIGHT] != 0) { 51 params.removeRule(ALIGN_PARENT_RIGHT); 52 params.addRule(ALIGN_PARENT_LEFT); 53 } else { 54 params.removeRule(ALIGN_PARENT_LEFT); 55 params.addRule(ALIGN_PARENT_RIGHT); 56 } 57 button.setLayoutParams(params); 58 } 59 } 60 } 61
