1 /* 2 * Copyright (C) 2009 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 17 package com.example.android.apis.app; 18 19 // Need the following import to get access to the app resources, since this 20 // class is in a sub-package. 21 import com.example.android.apis.R; 22 23 import android.app.Activity; 24 import android.app.ActivityOptions; 25 import android.content.Intent; 26 import android.graphics.Bitmap; 27 import android.graphics.Canvas; 28 import android.os.Bundle; 29 import android.view.View; 30 import android.view.View.OnClickListener; 31 import android.widget.Button; 32 33 34 /** 35 * <p>Example of using a custom animation when transitioning between activities.</p> 36 */ 37 public class Animation extends Activity { 38 @Override 39 protected void onCreate(Bundle savedInstanceState) { 40 super.onCreate(savedInstanceState); 41 42 setContentView(R.layout.activity_animation); 43 44 // Watch for button clicks. 45 Button button = (Button)findViewById(R.id.fade_animation); 46 button.setOnClickListener(mFadeListener); 47 button = (Button)findViewById(R.id.zoom_animation); 48 button.setOnClickListener(mZoomListener); 49 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN) { 50 button = (Button)findViewById(R.id.modern_fade_animation); 51 button.setOnClickListener(mModernFadeListener); 52 button = (Button)findViewById(R.id.modern_zoom_animation); 53 button.setOnClickListener(mModernZoomListener); 54 button = (Button)findViewById(R.id.scale_up_animation); 55 button.setOnClickListener(mScaleUpListener); 56 button = (Button)findViewById(R.id.zoom_thumbnail_animation); 57 button.setOnClickListener(mZoomThumbnailListener); 58 } else { 59 findViewById(R.id.modern_fade_animation).setEnabled(false); 60 findViewById(R.id.modern_zoom_animation).setEnabled(false); 61 findViewById(R.id.scale_up_animation).setEnabled(false); 62 findViewById(R.id.zoom_thumbnail_animation).setEnabled(false); 63 } 64 } 65 66 private OnClickListener mFadeListener = new OnClickListener() { 67 public void onClick(View v) { 68 // Request the next activity transition (here starting a new one). 69 startActivity(new Intent(Animation.this, AlertDialogSamples.class)); 70 // Supply a custom animation. This one will just fade the new 71 // activity on top. Note that we need to also supply an animation 72 // (here just doing nothing for the same amount of time) for the 73 // old activity to prevent it from going away too soon. 74 overridePendingTransition(R.anim.fade, R.anim.hold); 75 } 76 }; 77 78 private OnClickListener mZoomListener = new OnClickListener() { 79 public void onClick(View v) { 80 // Request the next activity transition (here starting a new one). 81 startActivity(new Intent(Animation.this, AlertDialogSamples.class)); 82 // This is a more complicated animation, involving transformations 83 // on both this (exit) and the new (enter) activity. Note how for 84 // the duration of the animation we force the exiting activity 85 // to be Z-ordered on top (even though it really isn't) to achieve 86 // the effect we want. 87 overridePendingTransition(R.anim.zoom_enter, R.anim.zoom_exit); 88 } 89 }; 90 91 private OnClickListener mModernFadeListener = new OnClickListener() { 92 public void onClick(View v) { 93 // Create the desired custom animation, involving transformations 94 // on both this (exit) and the new (enter) activity. Note how for 95 // the duration of the animation we force the exiting activity 96 // to be Z-ordered on top (even though it really isn't) to achieve 97 // the effect we want. 98 ActivityOptions opts = ActivityOptions.makeCustomAnimation(Animation.this, 99 R.anim.fade, R.anim.hold); 100 // Request the activity be started, using the custom animation options. 101 startActivity(new Intent(Animation.this, AlertDialogSamples.class), opts.toBundle()); 102 } 103 }; 104 105 private OnClickListener mModernZoomListener = new OnClickListener() { 106 public void onClick(View v) { 107 // Create a more complicated animation, involving transformations 108 // on both this (exit) and the new (enter) activity. Note how for 109 // the duration of the animation we force the exiting activity 110 // to be Z-ordered on top (even though it really isn't) to achieve 111 // the effect we want. 112 ActivityOptions opts = ActivityOptions.makeCustomAnimation(Animation.this, 113 R.anim.zoom_enter, R.anim.zoom_enter); 114 // Request the activity be started, using the custom animation options. 115 startActivity(new Intent(Animation.this, AlertDialogSamples.class), opts.toBundle()); 116 } 117 }; 118 119 private OnClickListener mScaleUpListener = new OnClickListener() { 120 public void onClick(View v) { 121 // Create a scale-up animation that originates at the button 122 // being pressed. 123 ActivityOptions opts = ActivityOptions.makeScaleUpAnimation( 124 v, 0, 0, v.getWidth(), v.getHeight()); 125 // Request the activity be started, using the custom animation options. 126 startActivity(new Intent(Animation.this, AlertDialogSamples.class), opts.toBundle()); 127 } 128 }; 129 130 private OnClickListener mZoomThumbnailListener = new OnClickListener() { 131 public void onClick(View v) { 132 // Create a thumbnail animation. We are going to build our thumbnail 133 // just from the view that was pressed. We make sure the view is 134 // not selected, because by the time the animation starts we will 135 // have finished with the selection of the tap. 136 v.setDrawingCacheEnabled(true); 137 v.setPressed(false); 138 v.refreshDrawableState(); 139 Bitmap bm = v.getDrawingCache(); 140 Canvas c = new Canvas(bm); 141 //c.drawARGB(255, 255, 0, 0); 142 ActivityOptions opts = ActivityOptions.makeThumbnailScaleUpAnimation( 143 v, bm, 0, 0); 144 // Request the activity be started, using the custom animation options. 145 startActivity(new Intent(Animation.this, AlertDialogSamples.class), opts.toBundle()); 146 v.setDrawingCacheEnabled(false); 147 } 148 }; 149 } 150 151
