1 files changed, 111 insertions, 0 deletions
diff --git a/samples/browseable/RenderScriptIntrinsic/src/com.example.android.renderscriptintrinsic/ThumbnailRadioButton.java b/samples/browseable/RenderScriptIntrinsic/src/com.example.android.renderscriptintrinsic/ThumbnailRadioButton.java
new file mode 100644
index 000000000..160e970b6
--- /dev/null
+++ b/samples/browseable/RenderScriptIntrinsic/src/com.example.android.renderscriptintrinsic/ThumbnailRadioButton.java
@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2014 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.renderscriptintrinsic;
+
+import android.graphics.Bitmap;
+import android.graphics.Color;
+import android.graphics.Paint;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
+import android.graphics.drawable.LayerDrawable;
+import android.graphics.drawable.ShapeDrawable;
+import android.graphics.drawable.StateListDrawable;
+import android.graphics.drawable.shapes.RectShape;
+import android.os.Build;
+import android.view.Gravity;
+import android.widget.RadioButton;
+import android.content.Context;
+import android.util.AttributeSet;
+
+/*
+ A button with Thumbnail which extends Radio Button.
+ The widget override a background drawable of Radio Button with a StateList Drawable.
+ Each state has a LayerDrawable with a Thumbnail image and a Focus rectangle.
+ It's using original Radio Buttons text as a label, because LayerDrawable showed some issues with Canvas.drawText().
+ */
+public class ThumbnailRadioButton extends RadioButton {
+    public ThumbnailRadioButton(Context context) {
+        super(context);
+        init();
+    }
+
+    public ThumbnailRadioButton(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        init();
+    }
+
+    public ThumbnailRadioButton(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+        init();
+    }
+
+    private void init() {
+        setButtonDrawable(android.R.color.transparent);
+    }
+
+    public void setThumbnail(Bitmap bitmap) {
+        //Bitmap drawable
+        BitmapDrawable bmp = new BitmapDrawable(getResources(), bitmap);
+        bmp.setGravity(Gravity.CENTER);
+
+        int strokeWidth = 24;
+        //Checked state
+        ShapeDrawable rectChecked = new ShapeDrawable(new RectShape());
+        rectChecked.getPaint().setColor(0xFFFFFFFF);
+        rectChecked.getPaint().setStyle(Paint.Style.STROKE);
+        rectChecked.getPaint().setStrokeWidth(strokeWidth);
+        rectChecked.setIntrinsicWidth(bitmap.getWidth() + strokeWidth);
+        rectChecked.setIntrinsicHeight(bitmap.getHeight() + strokeWidth);
+        Drawable drawableArray[] = new Drawable[]{bmp, rectChecked};
+        LayerDrawable layerChecked = new LayerDrawable(drawableArray);
+
+        //Unchecked state
+        ShapeDrawable rectUnchecked = new ShapeDrawable(new RectShape());
+        rectUnchecked.getPaint().setColor(0x0);
+        rectUnchecked.getPaint().setStyle(Paint.Style.STROKE);
+        rectUnchecked.getPaint().setStrokeWidth(strokeWidth);
+        rectUnchecked.setIntrinsicWidth(bitmap.getWidth() + strokeWidth);
+        rectUnchecked.setIntrinsicHeight(bitmap.getHeight() + strokeWidth);
+        Drawable drawableArray2[] = new Drawable[]{bmp, rectUnchecked};
+        LayerDrawable layerUnchecked = new LayerDrawable(drawableArray2);
+
+        //Statelist drawable
+        StateListDrawable states = new StateListDrawable();
+        states.addState(new int[]{android.R.attr.state_checked},
+                layerChecked);
+        states.addState(new int[]{},
+                layerUnchecked);
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN)
+            setBackground(states);
+        else
+            setBackgroundDrawable(states);
+
+        //Offset text to center/bottom of the checkbox
+        Paint paint = new Paint();
+        paint.setAntiAlias(true);
+        paint.setTextSize(getTextSize());
+        paint.setTypeface(getTypeface());
+        float w = paint.measureText(getText(), 0, getText().length());
+        setPadding(getPaddingLeft() + (int) ((bitmap.getWidth() - w) / 2.f + .5f),
+                getPaddingTop() + (int) (bitmap.getHeight() * 0.70),
+                getPaddingRight(),
+                getPaddingBottom());
+
+        setShadowLayer(5, 0, 0, Color.BLACK);
+    }
+}