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      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
     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 
    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