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 
17 package com.example.android.support.vectordrawable.app;
18 
19 import android.graphics.drawable.Animatable;
20 import android.graphics.drawable.Drawable;
21 import android.os.Bundle;
22 import android.view.MotionEvent;
23 import android.view.View;
24 import android.widget.TextView;
25 
26 import androidx.appcompat.app.AppCompatActivity;
27 import androidx.appcompat.widget.AppCompatImageView;
28 import androidx.vectordrawable.graphics.drawable.Animatable2Compat;
29 import androidx.vectordrawable.graphics.drawable.AnimatedVectorDrawableCompat;
30 
31 import com.example.android.support.vectordrawable.R;
32 
33 import org.jspecify.annotations.NonNull;
34 
35 /**
36  * A demo for AnimatedVectorDrawableCompat's listener support.
37  */
38 public class AVDCListenerDemo extends AppCompatActivity {
39 
40     @Override
onCreate(Bundle savedInstanceState)41     protected void onCreate(Bundle savedInstanceState) {
42         super.onCreate(savedInstanceState);
43         setContentView(R.layout.avdc_listener);
44         final AppCompatImageView imageView1 = findViewById(R.id.imageView);
45         final AppCompatImageView imageView2 = findViewById(R.id.imageView2);
46 
47         final TextView textView1 = findViewById(R.id.textView);
48         textView1.setText("Should show start / end for first AVD");
49         final TextView textView2 = findViewById(R.id.textView2);
50         textView2.setText("Not affected by AVD, b/c removed after register");
51         final TextView textView3 = findViewById(R.id.textView3);
52         textView3.setText("Should show start / end for second AVD");
53         final TextView textView4 = findViewById(R.id.textView4);
54         textView4.setText("Not affected by AVD, b/c unregistered after register");
55 
56         final Drawable drawable1 = imageView1.getDrawable();
57         final Drawable drawable2 = imageView2.getDrawable();
58 
59         Animatable2Compat.AnimationCallback textView1Callback = new
60                 Animatable2Compat.AnimationCallback() {
61                     @Override
62                     public void onAnimationStart(@NonNull Drawable drawable) {
63                         textView1.setText("AVD 1 started");
64                     }
65 
66                     @Override
67                     public void onAnimationEnd(@NonNull Drawable drawable) {
68                         textView1.setText("AVD 1 Ended");
69                     }
70                 };
71         Animatable2Compat.AnimationCallback textView2Callback = new
72                 Animatable2Compat.AnimationCallback() {
73                     @Override
74                     public void onAnimationStart(@NonNull Drawable drawable) {
75                         textView2.setText("AVD 1 started");
76                     }
77 
78                     @Override
79                     public void onAnimationEnd(@NonNull Drawable drawable) {
80                         textView2.setText("AVD 1 Ended");
81                     }
82                 };
83         AnimatedVectorDrawableCompat.registerAnimationCallback(drawable1, textView1Callback);
84         AnimatedVectorDrawableCompat.registerAnimationCallback(drawable1, textView2Callback);
85         AnimatedVectorDrawableCompat.clearAnimationCallbacks(drawable1);
86         AnimatedVectorDrawableCompat.registerAnimationCallback(drawable1, textView1Callback);
87 
88         AnimatedVectorDrawableCompat.registerAnimationCallback(drawable2,
89                 new Animatable2Compat.AnimationCallback() {
90                     @Override
91                     public void onAnimationStart(@NonNull Drawable drawable) {
92                         textView3.setText("AVD 2 started");
93                     }
94 
95                     @Override
96                     public void onAnimationEnd(@NonNull Drawable drawable) {
97                         textView3.setText("AVD 2 Ended");
98                     }
99                 });
100 
101         Animatable2Compat.AnimationCallback textView4Callback = new
102                 Animatable2Compat.AnimationCallback() {
103                     @Override
104                     public void onAnimationStart(@NonNull Drawable drawable) {
105                         textView4.setText("AVD 2 started");
106                     }
107 
108                     @Override
109                     public void onAnimationEnd(@NonNull Drawable drawable) {
110                         textView4.setText("AVD 2 Ended");
111                     }
112                 };
113 
114         AnimatedVectorDrawableCompat.registerAnimationCallback(drawable2, textView4Callback);
115         AnimatedVectorDrawableCompat.unregisterAnimationCallback(drawable2, textView4Callback);
116 
117         // Touch the imageView will run the AVD.
118         imageView1.setOnTouchListener(new View.OnTouchListener() {
119             @Override
120             public boolean onTouch(View v, MotionEvent event) {
121                 if (!((Animatable) drawable1).isRunning()) {
122                     ((Animatable) drawable1).start();
123                 }
124                 return true;
125             }
126         });
127 
128         imageView2.setOnTouchListener(new View.OnTouchListener() {
129             @Override
130             public boolean onTouch(View v, MotionEvent event) {
131                 if (!((Animatable) drawable2).isRunning()) {
132                     ((Animatable) drawable2).start();
133                 }
134                 return true;
135             }
136         });
137     }
138 }
139