1/*
2 * Copyright 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.supportv4.graphics;
18
19import com.example.android.supportv4.R;
20
21import android.app.Activity;
22import android.graphics.Color;
23import android.graphics.drawable.Drawable;
24import android.os.Bundle;
25import android.support.v4.content.ContextCompat;
26import android.support.v4.graphics.drawable.DrawableCompat;
27import android.widget.ImageView;
28import android.widget.RadioGroup;
29
30/**
31 * Demonstrates use of a {@link DrawableCompat}'s ability to become circular.
32 */
33public class DrawableCompatActivity extends Activity {
34
35    private static final int IMAGE_RES = R.drawable.ic_favorite;
36
37    private ImageView mImageView;
38    private Drawable mDrawable;
39
40    @Override
41    protected void onCreate(Bundle savedInstanceState) {
42        super.onCreate(savedInstanceState);
43        setContentView(R.layout.drawable_compat);
44
45        mImageView = findViewById(R.id.image);
46
47        Drawable d = ContextCompat.getDrawable(this, IMAGE_RES);
48        mDrawable = DrawableCompat.wrap(d.mutate());
49
50        mImageView.setImageDrawable(mDrawable);
51
52        RadioGroup rg = findViewById(R.id.drawable_compat_options);
53        rg.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
54            @Override
55            public void onCheckedChanged(RadioGroup radioGroup, int id) {
56                switch (id) {
57                    case R.id.drawable_compat_no_tint:
58                        clearTint();
59                        break;
60                    case R.id.drawable_compat_color:
61                        setColorTint();
62                        break;
63                    case R.id.drawable_compat_state_list:
64                        setColorStateListTint();
65                        break;
66                }
67            }
68        });
69    }
70
71    private void clearTint() {
72        DrawableCompat.setTintList(mDrawable, null);
73    }
74
75    private void setColorTint() {
76        DrawableCompat.setTint(mDrawable, Color.MAGENTA);
77    }
78
79    private void setColorStateListTint() {
80        DrawableCompat.setTintList(mDrawable,
81                ContextCompat.getColorStateList(this, R.color.tint_state_list));
82    }
83
84}
85