1/* 2 * Copyright (C) 2017 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 17package com.example.android.support.vectordrawable.app; 18 19import android.graphics.drawable.Animatable; 20import android.graphics.drawable.Drawable; 21import android.os.Bundle; 22import android.support.graphics.drawable.Animatable2Compat; 23import android.support.graphics.drawable.AnimatedVectorDrawableCompat; 24import android.support.v7.app.AppCompatActivity; 25import android.support.v7.widget.AppCompatImageView; 26import android.view.MotionEvent; 27import android.view.View; 28import android.widget.TextView; 29 30import com.example.android.support.vectordrawable.R; 31 32/** 33 * A demo for AnimatedVectorDrawableCompat's listener support. 34 */ 35public class AVDCListenerDemo extends AppCompatActivity { 36 37 @Override 38 protected void onCreate(Bundle savedInstanceState) { 39 super.onCreate(savedInstanceState); 40 setContentView(R.layout.avdc_listener); 41 final AppCompatImageView imageView1 = findViewById(R.id.imageView); 42 final AppCompatImageView imageView2 = findViewById(R.id.imageView2); 43 44 final TextView textView1 = findViewById(R.id.textView); 45 textView1.setText("Should show start / end for first AVD"); 46 final TextView textView2 = findViewById(R.id.textView2); 47 textView2.setText("Not affected by AVD, b/c removed after register"); 48 final TextView textView3 = findViewById(R.id.textView3); 49 textView3.setText("Should show start / end for second AVD"); 50 final TextView textView4 = findViewById(R.id.textView4); 51 textView4.setText("Not affected by AVD, b/c unregistered after register"); 52 53 final Drawable drawable1 = imageView1.getDrawable(); 54 final Drawable drawable2 = imageView2.getDrawable(); 55 56 Animatable2Compat.AnimationCallback textView1Callback = new 57 Animatable2Compat.AnimationCallback() { 58 @Override 59 public void onAnimationStart(Drawable drawable) { 60 textView1.setText("AVD 1 started"); 61 } 62 63 @Override 64 public void onAnimationEnd(Drawable drawable) { 65 textView1.setText("AVD 1 Ended"); 66 } 67 }; 68 Animatable2Compat.AnimationCallback textView2Callback = new 69 Animatable2Compat.AnimationCallback() { 70 @Override 71 public void onAnimationStart(Drawable drawable) { 72 textView2.setText("AVD 1 started"); 73 } 74 75 @Override 76 public void onAnimationEnd(Drawable drawable) { 77 textView2.setText("AVD 1 Ended"); 78 } 79 }; 80 AnimatedVectorDrawableCompat.registerAnimationCallback(drawable1, textView1Callback); 81 AnimatedVectorDrawableCompat.registerAnimationCallback(drawable1, textView2Callback); 82 AnimatedVectorDrawableCompat.clearAnimationCallbacks(drawable1); 83 AnimatedVectorDrawableCompat.registerAnimationCallback(drawable1, textView1Callback); 84 85 AnimatedVectorDrawableCompat.registerAnimationCallback(drawable2, 86 new Animatable2Compat.AnimationCallback() { 87 @Override 88 public void onAnimationStart(Drawable drawable) { 89 textView3.setText("AVD 2 started"); 90 } 91 92 @Override 93 public void onAnimationEnd(Drawable drawable) { 94 textView3.setText("AVD 2 Ended"); 95 } 96 }); 97 98 Animatable2Compat.AnimationCallback textView4Callback = new 99 Animatable2Compat.AnimationCallback() { 100 @Override 101 public void onAnimationStart(Drawable drawable) { 102 textView4.setText("AVD 2 started"); 103 } 104 105 @Override 106 public void onAnimationEnd(Drawable drawable) { 107 textView4.setText("AVD 2 Ended"); 108 } 109 }; 110 111 AnimatedVectorDrawableCompat.registerAnimationCallback(drawable2, textView4Callback); 112 AnimatedVectorDrawableCompat.unregisterAnimationCallback(drawable2, textView4Callback); 113 114 // Touch the imageView will run the AVD. 115 imageView1.setOnTouchListener(new View.OnTouchListener() { 116 @Override 117 public boolean onTouch(View v, MotionEvent event) { 118 if (!((Animatable) drawable1).isRunning()) { 119 ((Animatable) drawable1).start(); 120 } 121 return true; 122 } 123 }); 124 125 imageView2.setOnTouchListener(new View.OnTouchListener() { 126 @Override 127 public boolean onTouch(View v, MotionEvent event) { 128 if (!((Animatable) drawable2).isRunning()) { 129 ((Animatable) drawable2).start(); 130 } 131 return true; 132 } 133 }); 134 } 135} 136