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 android.app.Activity; 20 import android.graphics.Bitmap; 21 import android.graphics.BitmapFactory; 22 import android.os.Bundle; 23 import android.widget.CompoundButton; 24 import android.widget.ImageView; 25 import android.widget.ToggleButton; 26 27 import androidx.core.graphics.drawable.RoundedBitmapDrawable; 28 import androidx.core.graphics.drawable.RoundedBitmapDrawableFactory; 29 30 import com.example.android.supportv4.R; 31 32 /** 33 * Demonstrates use of a {@link RoundedBitmapDrawable}'s ability to become circular. 34 */ 35 public class RoundedBitmapDrawableActivity extends Activity { 36 37 private static final int IMAGE_RES = R.drawable.android_robot; 38 private RoundedBitmapDrawable mRoundedBitmapDrawable; 39 40 @Override onCreate(Bundle savedInstanceState)41 protected void onCreate(Bundle savedInstanceState) { 42 super.onCreate(savedInstanceState); 43 setContentView(R.layout.activity_rounded_bitmap); 44 45 // Create a bitmap and set it circular. 46 Bitmap bitmap = BitmapFactory.decodeResource(getResources(), IMAGE_RES); 47 mRoundedBitmapDrawable = RoundedBitmapDrawableFactory.create(getResources(), bitmap); 48 49 // Get references to the inflated views. 50 ToggleButton toggle = findViewById(R.id.toggle_round); 51 ImageView image = findViewById(R.id.image); 52 53 // Set up initial view state and on checked change listener. 54 image.setImageDrawable(mRoundedBitmapDrawable); 55 toggle.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() { 56 @Override 57 public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { 58 mRoundedBitmapDrawable.setCircular(isChecked); 59 } 60 }); 61 } 62 63 } 64