SimpleAnimatedVectorDrawable.java revision f27b1ffc67228d73326ec3426fef4c9db75cd6fd 
1/*
2 * Copyright (C) 2015 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.app.Activity;
20import android.content.res.Resources;
21import android.os.Bundle;
22import android.support.graphics.drawable.AnimatedVectorDrawableCompat;
23import android.view.View;
24import android.widget.Button;
25import android.widget.LinearLayout;
26import android.widget.ScrollView;
27import android.widget.TextView;
28
29import com.example.android.support.vectordrawable.R;
30
31import java.text.DecimalFormat;
32
33/**
34 * Simple demo for AnimatedVectorDrawableCompat.
35 */
36public class SimpleAnimatedVectorDrawable extends Activity implements View.OnClickListener {
37    private static final String LOG_TAG = "TestActivity";
38
39    private static final String LOGCAT = "VectorDrawable1";
40    protected int[] mIcons = {
41            R.drawable.animation_vector_drawable_grouping_1_path_motion,
42            R.drawable.animation_vector_drawable_grouping_1_path_motion_object,
43            R.drawable.animation_vector_drawable_grouping_1,
44            R.drawable.animation_vector_drawable_grouping_decelerate,
45            R.drawable.animation_vector_drawable_grouping_accelerate,
46            R.drawable.ic_hourglass_animation,
47            R.drawable.ic_signal_airplane_v2_animation,
48            R.drawable.animation_vector_progress_bar,
49            R.drawable.btn_radio_on_to_off_bundle,
50    };
51
52    @Override
53    protected void onCreate(Bundle savedInstanceState) {
54        super.onCreate(savedInstanceState);
55        ScrollView scrollView = new ScrollView(this);
56        LinearLayout container = new LinearLayout(this);
57        scrollView.addView(container);
58        container.setOrientation(LinearLayout.VERTICAL);
59        Resources res = this.getResources();
60        container.setBackgroundColor(0xFF888888);
61        AnimatedVectorDrawableCompat[] d = new AnimatedVectorDrawableCompat[mIcons.length];
62        long time = android.os.SystemClock.currentThreadTimeMillis();
63        for (int i = 0; i < mIcons.length; i++) {
64            d[i] = AnimatedVectorDrawableCompat.create(this, mIcons[i]);
65        }
66        time = android.os.SystemClock.currentThreadTimeMillis() - time;
67        TextView t = new TextView(this);
68        DecimalFormat df = new DecimalFormat("#.##");
69        t.setText("avgL=" + df.format(time / (mIcons.length)) + " ms");
70        container.addView(t);
71
72        addDrawableButtons(container, d);
73
74        // Now test constant state and mutate a bit.
75        if (d[0].getConstantState() != null) {
76            AnimatedVectorDrawableCompat[] copies = new AnimatedVectorDrawableCompat[3];
77            copies[0] = (AnimatedVectorDrawableCompat) d[0].getConstantState().newDrawable();
78            copies[1] = (AnimatedVectorDrawableCompat) d[0].getConstantState().newDrawable();
79            copies[2] = (AnimatedVectorDrawableCompat) d[0].getConstantState().newDrawable();
80            copies[0].setAlpha(128);
81
82            // Expect to see the copies[0, 1] are showing alpha 128, and [2] are showing 255.
83            copies[2].mutate();
84            copies[2].setAlpha(255);
85
86            addDrawableButtons(container, copies);
87        }
88
89        setContentView(scrollView);
90    }
91
92    private void addDrawableButtons(LinearLayout container, AnimatedVectorDrawableCompat[] d) {
93        for (int i = 0; i < d.length; i++) {
94            Button button = new Button(this);
95            button.setWidth(200);
96            button.setHeight(200);
97            button.setBackgroundDrawable(d[i]);
98            container.addView(button);
99            button.setOnClickListener(this);
100        }
101    }
102
103    @Override
104    public void onClick(View v) {
105        AnimatedVectorDrawableCompat d = (AnimatedVectorDrawableCompat) v.getBackground();
106        d.start();
107    }
108}
109