Add DrawableCompat demo to Support4Demos

Change-Id: Ie00198b1d4dbc0c71084961eee2387a68e39505f
diff --git a/samples/Support4Demos/AndroidManifest.xml b/samples/Support4Demos/AndroidManifest.xml
index e662cf4..d3f0b85 100644
--- a/samples/Support4Demos/AndroidManifest.xml
+++ b/samples/Support4Demos/AndroidManifest.xml
@@ -367,6 +367,14 @@
             </intent-filter>
         </activity>
 
+        <activity android:name=".graphics.DrawableCompatActivity"
+                  android:label="Graphics/DrawableCompat">
+            <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"
diff --git a/samples/Support4Demos/res/color/tint_state_list.xml b/samples/Support4Demos/res/color/tint_state_list.xml
new file mode 100644
index 0000000..ea37c52
--- /dev/null
+++ b/samples/Support4Demos/res/color/tint_state_list.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 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.
+-->
+
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_pressed="true" android:color="#0000FF" />
+    <item android:color="#FF0000" />
+</selector>
\ No newline at end of file
diff --git a/samples/Support4Demos/res/drawable-hdpi/ic_favorite.png b/samples/Support4Demos/res/drawable-hdpi/ic_favorite.png
new file mode 100644
index 0000000..1de4e58
--- /dev/null
+++ b/samples/Support4Demos/res/drawable-hdpi/ic_favorite.png
Binary files differ
diff --git a/samples/Support4Demos/res/drawable-mdpi/ic_favorite.png b/samples/Support4Demos/res/drawable-mdpi/ic_favorite.png
new file mode 100644
index 0000000..aa5d340
--- /dev/null
+++ b/samples/Support4Demos/res/drawable-mdpi/ic_favorite.png
Binary files differ
diff --git a/samples/Support4Demos/res/drawable-xhdpi/ic_favorite.png b/samples/Support4Demos/res/drawable-xhdpi/ic_favorite.png
new file mode 100644
index 0000000..5868c34
--- /dev/null
+++ b/samples/Support4Demos/res/drawable-xhdpi/ic_favorite.png
Binary files differ
diff --git a/samples/Support4Demos/res/drawable-xxhdpi/ic_favorite.png b/samples/Support4Demos/res/drawable-xxhdpi/ic_favorite.png
new file mode 100644
index 0000000..02b46e3
--- /dev/null
+++ b/samples/Support4Demos/res/drawable-xxhdpi/ic_favorite.png
Binary files differ
diff --git a/samples/Support4Demos/res/drawable-xxxhdpi/ic_favorite.png b/samples/Support4Demos/res/drawable-xxxhdpi/ic_favorite.png
new file mode 100644
index 0000000..d7684c4
--- /dev/null
+++ b/samples/Support4Demos/res/drawable-xxxhdpi/ic_favorite.png
Binary files differ
diff --git a/samples/Support4Demos/res/layout/drawable_compat.xml b/samples/Support4Demos/res/layout/drawable_compat.xml
new file mode 100644
index 0000000..dbf0413
--- /dev/null
+++ b/samples/Support4Demos/res/layout/drawable_compat.xml
@@ -0,0 +1,51 @@
+<!--
+  ~ 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">
+
+    <ImageView
+            android:id="@+id/image"
+            android:layout_width="200dp"
+            android:layout_height="200dp"
+            android:clickable="true"/>
+
+    <RadioGroup
+            android:id="@+id/drawable_compat_options"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
+        <RadioButton android:id="@+id/drawable_compat_no_tint"
+                     android:layout_width="wrap_content"
+                     android:layout_height="wrap_content"
+                     android:text="@string/drawable_compat_no_tint"/>
+
+        <RadioButton android:id="@+id/drawable_compat_color"
+                     android:layout_width="wrap_content"
+                     android:layout_height="wrap_content"
+                     android:text="@string/drawable_compat_color_tint"/>
+
+        <RadioButton android:id="@+id/drawable_compat_state_list"
+                     android:layout_width="wrap_content"
+                     android:layout_height="wrap_content"
+                     android:text="@string/drawable_compat_color_list_tint"/>
+
+    </RadioGroup>
+
+</LinearLayout>
diff --git a/samples/Support4Demos/res/values/strings.xml b/samples/Support4Demos/res/values/strings.xml
index 0c388b2..2157be1 100644
--- a/samples/Support4Demos/res/values/strings.xml
+++ b/samples/Support4Demos/res/values/strings.xml
@@ -191,4 +191,8 @@
     <string name="regular">regular</string>
     <string name="round">round</string>
 
+    <string name="drawable_compat_no_tint">Not tint</string>
+    <string name="drawable_compat_color_tint">Color tint</string>
+    <string name="drawable_compat_color_list_tint">Color state list</string>
+
 </resources>
diff --git a/samples/Support4Demos/src/com/example/android/supportv4/graphics/DrawableCompatActivity.java b/samples/Support4Demos/src/com/example/android/supportv4/graphics/DrawableCompatActivity.java
new file mode 100644
index 0000000..f679067
--- /dev/null
+++ b/samples/Support4Demos/src/com/example/android/supportv4/graphics/DrawableCompatActivity.java
@@ -0,0 +1,84 @@
+/*
+ * 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 com.example.android.supportv4.R;
+
+import android.app.Activity;
+import android.graphics.Color;
+import android.graphics.drawable.Drawable;
+import android.os.Bundle;
+import android.support.v4.content.ContextCompat;
+import android.support.v4.graphics.drawable.DrawableCompat;
+import android.widget.ImageView;
+import android.widget.RadioGroup;
+
+/**
+ * Demonstrates use of a {@link DrawableCompat}'s ability to become circular.
+ */
+public class DrawableCompatActivity extends Activity {
+
+    private static final int IMAGE_RES = R.drawable.ic_favorite;
+
+    private ImageView mImageView;
+    private Drawable mDrawable;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.drawable_compat);
+
+        mImageView = (ImageView) findViewById(R.id.image);
+
+        Drawable d = ContextCompat.getDrawable(this, IMAGE_RES);
+        mDrawable = DrawableCompat.wrap(d.mutate());
+
+        mImageView.setImageDrawable(mDrawable);
+
+        RadioGroup rg = (RadioGroup) findViewById(R.id.drawable_compat_options);
+        rg.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(RadioGroup radioGroup, int id) {
+                switch (id) {
+                    case R.id.drawable_compat_no_tint:
+                        clearTint();
+                        break;
+                    case R.id.drawable_compat_color:
+                        setColorTint();
+                        break;
+                    case R.id.drawable_compat_state_list:
+                        setColorStateListTint();
+                        break;
+                }
+            }
+        });
+    }
+
+    private void clearTint() {
+        DrawableCompat.setTintList(mDrawable, null);
+    }
+
+    private void setColorTint() {
+        DrawableCompat.setTint(mDrawable, Color.MAGENTA);
+    }
+
+    private void setColorStateListTint() {
+        DrawableCompat.setTintList(mDrawable,
+                ContextCompat.getColorStateList(this, R.color.tint_state_list));
+    }
+
+}