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      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 
     17 package com.example.android.supportv4.graphics;
     18 
     19 import com.example.android.supportv4.R;
     20 
     21 import android.app.Activity;
     22 import android.graphics.Color;
     23 import android.graphics.drawable.Drawable;
     24 import android.os.Bundle;
     25 import android.support.v4.content.ContextCompat;
     26 import android.support.v4.graphics.drawable.DrawableCompat;
     27 import android.widget.ImageView;
     28 import android.widget.RadioGroup;
     29 
     30 /**
     31  * Demonstrates use of a {@link DrawableCompat}'s ability to become circular.
     32  */
     33 public 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 = (ImageView) 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 = (RadioGroup) 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