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 
17 package com.example.android.support.vectordrawable.app;
18 
19 import android.app.Activity;
20 import android.content.res.Resources;
21 import android.graphics.PorterDuff.Mode;
22 import android.graphics.drawable.Drawable.ConstantState;
23 import android.os.Bundle;
24 import android.widget.Button;
25 import android.widget.LinearLayout;
26 import android.widget.ScrollView;
27 import android.widget.TextView;
28 
29 import androidx.vectordrawable.graphics.drawable.VectorDrawableCompat;
30 
31 import com.example.android.support.vectordrawable.R;
32 
33 import java.text.DecimalFormat;
34 
35 /**
36  * Simple demo for VectorDrawableCompat.
37  */
38 public class SimpleStaticVectorDrawable extends Activity {
39     private static final String LOG_TAG = "SimpleStaticVectorDrawable";
40 
41     protected int[] mIcons = {
42             R.drawable.vector_drawable_scale0,
43             R.drawable.vector_drawable_scale1,
44             R.drawable.vector_drawable_scale2,
45             R.drawable.vector_drawable_scale3,
46             R.drawable.vector_drawable01,
47             R.drawable.vector_drawable02,
48             R.drawable.vector_drawable03,
49             R.drawable.vector_drawable04,
50             R.drawable.vector_drawable05,
51             R.drawable.vector_drawable06,
52             R.drawable.vector_drawable07,
53             R.drawable.vector_drawable08,
54             R.drawable.vector_drawable09,
55             R.drawable.vector_drawable10,
56             R.drawable.vector_drawable11,
57             R.drawable.vector_drawable12,
58             R.drawable.vector_drawable13,
59             R.drawable.vector_drawable14,
60             R.drawable.vector_drawable15,
61             R.drawable.vector_drawable16,
62             R.drawable.vector_drawable17,
63             R.drawable.vector_drawable18,
64             R.drawable.vector_drawable19,
65             R.drawable.vector_drawable20,
66             R.drawable.vector_drawable21,
67             R.drawable.vector_drawable22,
68             R.drawable.vector_drawable23,
69             R.drawable.vector_drawable24,
70             R.drawable.vector_drawable25,
71             R.drawable.vector_drawable26,
72             R.drawable.vector_drawable27,
73             R.drawable.vector_drawable28,
74             R.drawable.vector_drawable29,
75             R.drawable.vector_drawable30,
76             R.drawable.vector_test01,
77             R.drawable.vector_test02
78     };
79 
80     private static final int EXTRA_TESTS = 2;
81 
82     @Override
onCreate(Bundle savedInstanceState)83     protected void onCreate(Bundle savedInstanceState) {
84         super.onCreate(savedInstanceState);
85         ScrollView scrollView = new ScrollView(this);
86         LinearLayout container = new LinearLayout(this);
87         scrollView.addView(container);
88         container.setOrientation(LinearLayout.VERTICAL);
89         Resources res = this.getResources();
90         container.setBackgroundColor(0xFF888888);
91         VectorDrawableCompat[] d = new VectorDrawableCompat[mIcons.length];
92         long time = android.os.SystemClock.currentThreadTimeMillis();
93         for (int i = 0; i < mIcons.length; i++) {
94             d[i] = VectorDrawableCompat.create(res, mIcons[i], getTheme());
95         }
96         time = android.os.SystemClock.currentThreadTimeMillis() - time;
97 
98         // Testing Tint on one particular case.
99         if (d.length > 3) {
100             d[3].setTint(0x8000FF00);
101             d[3].setTintMode(Mode.MULTIPLY);
102         }
103 
104         // Testing Constant State like operation by creating the first 2 icons
105         // from the 3rd one's constant state.
106         VectorDrawableCompat[] extras = new VectorDrawableCompat[EXTRA_TESTS];
107         ConstantState state = d[0].getConstantState();
108         extras[0] = (VectorDrawableCompat) state.newDrawable();
109         extras[1] = (VectorDrawableCompat) state.newDrawable();
110 
111         // This alpha change is expected to affect both extra 0, 1, and d0.
112         extras[0].setAlpha(128);
113 
114         d[0].mutate();
115         d[0].setAlpha(255);
116 
117         // Just show the average create time as the first view.
118         TextView t = new TextView(this);
119         DecimalFormat df = new DecimalFormat("#.##");
120         t.setText("avgL=" + df.format(time / (mIcons.length)) + " ms");
121         container.addView(t);
122 
123         addDrawableButtons(container, extras);
124 
125         addDrawableButtons(container, d);
126 
127         setContentView(scrollView);
128     }
129 
addDrawableButtons(LinearLayout container, VectorDrawableCompat[] d)130     private void addDrawableButtons(LinearLayout container, VectorDrawableCompat[] d) {
131         // Add the VD into consequent views.
132         for (int i = 0; i < d.length; i++) {
133             Button button = new Button(this);
134             button.setWidth(200);
135             // Note that setBackgroundResource() will fail b/c createFromXmlInner() failed
136             // to recognize <vector> pre-L.
137             button.setBackgroundDrawable(d[i]);
138             container.addView(button);
139         }
140     }
141 }
142