Introduce sample for RoundedBitmapDrawable

Shows how to set an image to circular using
the setCircular API.

Change-Id: Ic65b9feb74942b6bd1c9debcf88fad5935df6d67

samples/Support4Demos/Android.mk

@@ -14,5 +14,5 @@ LOCAL_SDK_VERSION := current
 
 include $(BUILD_PACKAGE)
 
-# Use the folloing include to make our test apk.
+# Use the following include to make our test apk.
 include $(call all-makefiles-under,$(LOCAL_PATH))

samples/Support4Demos/AndroidManifest.xml

@@ -25,7 +25,7 @@
     <uses-permission android:name="android.permission.READ_CONTACTS" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
 
-    <uses-sdk android:minSdkVersion="4" android:targetSdkVersion="19" />
+    <uses-sdk android:minSdkVersion="4" android:targetSdkVersion="22" />
 
     <!-- The smallest screen this app works on is a phone.  The app will
          scale its UI to larger screens but doesn't make good use of them
@@ -359,6 +359,14 @@
             </intent-filter>
         </activity>
 
+        <activity android:name=".graphics.RoundedBitmapDrawableActivity"
+            android:label="Graphics/RoundedBitmapDrawable">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="com.example.android.supportv4.SUPPORT4_SAMPLE_CODE" />
+            </intent-filter>
+        </activity>
+
 <!-- BEGIN_INCLUDE(file_provider_declaration) -->
         <provider
             android:name="android.support.v4.content.FileProvider"

samples/Support4Demos/res/layout/activity_rounded_bitmap.xml

@@ -0,0 +1,36 @@
+<!--
+  ~ Copyright 2015 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~ http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:gravity="center_horizontal"
+    android:orientation="vertical">
+
+    <ToggleButton
+        android:id="@+id/toggle_round"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textOff="@string/regular"
+        android:textOn="@string/round"
+        android:layout_marginBottom="16dp"/>
+
+    <ImageView
+        android:id="@+id/image"
+        android:layout_width="200dp"
+        android:layout_height="200dp" />
+
+</LinearLayout>

samples/Support4Demos/res/values/strings.xml

@@ -188,5 +188,7 @@
     <string name="nested_scroll">Widget/Nested Scrolling</string>
 
     <string name="nested_scroll_long_text">This is some long text. It just keeps going. Look at it. Scroll it. Scroll the nested version of it. This is some long text. It just keeps going. Look at it. Scroll it. Scroll the nested version of it. This is some long text. It just keeps going. Look at it. Scroll it. Scroll the nested version of it. This is some long text. It just keeps going. Look at it. Scroll it. Scroll the nested version of it. This is some long text. It just keeps going. Look at it. Scroll it. Scroll the nested version of it. This is some long text. It just keeps going. Look at it. Scroll it. Scroll the nested version of it. This is some long text. It just keeps going. Look at it. Scroll it. Scroll the nested version of it. This is some long text. It just keeps going. Look at it. Scroll it. Scroll the nested version of it. This is some long text. It just keeps going. Look at it. Scroll it. Scroll the nested version of it. This is some long text. It just keeps going. Look at it. Scroll it. Scroll the nested version of it.</string>
+    <string name="regular">regular</string>
+    <string name="round">round</string>
 
 </resources>

samples/Support4Demos/src/com/example/android/supportv4/graphics/RoundedBitmapDrawableActivity.java

@@ -0,0 +1,62 @@
+/*
+ * Copyright 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.example.android.supportv4.graphics;
+
+import android.app.Activity;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.os.Bundle;
+import android.support.v4.graphics.drawable.RoundedBitmapDrawable;
+import android.support.v4.graphics.drawable.RoundedBitmapDrawableFactory;
+import android.widget.CompoundButton;
+import android.widget.ImageView;
+import android.widget.ToggleButton;
+
+import com.example.android.supportv4.R;
+
+/**
+ * Demonstrates use of a {@link RoundedBitmapDrawable}'s ability to become circular.
+ */
+public class RoundedBitmapDrawableActivity extends Activity {
+
+    private static final int IMAGE_RES = R.drawable.android_robot;
+    private RoundedBitmapDrawable mRoundedBitmapDrawable;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_rounded_bitmap);
+
+        // Create a bitmap and set it circular.
+        Bitmap bitmap = BitmapFactory.decodeResource(getResources(), IMAGE_RES);
+        mRoundedBitmapDrawable = RoundedBitmapDrawableFactory.create(getResources(), bitmap);
+
+        // Get references to the inflated views.
+        ToggleButton toggle = (ToggleButton) findViewById(R.id.toggle_round);
+        ImageView image = (ImageView) findViewById(R.id.image);
+
+        // Set up initial view state and on checked change listener.
+        image.setImageDrawable(mRoundedBitmapDrawable);
+        toggle.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+                mRoundedBitmapDrawable.setCircular(isChecked);
+            }
+        });
+    }
+
+}