Bordered Panel..

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BlurMaskFilter;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.RectF;
import android.graphics.Paint.Style;
import android.util.AttributeSet;
import android.widget.LinearLayout;

public class TransparentPanel extends LinearLayout
{
     private Paint   innerPaint, borderPaint ;

     public TransparentPanel(Context context, AttributeSet attrs) {
          super(context, attrs);
          init();
     }

     public TransparentPanel(Context context) {
          super(context);
          init();
     }

     private void init() {

         innerPaint = new Paint();
         innerPaint.setARGB(175, 0, 0, 0); //gray 75 75 75
         innerPaint.setAntiAlias(true);

         borderPaint = new Paint();
         borderPaint.setARGB(150, 0, 0, 0);
         borderPaint.setAntiAlias(true);
         borderPaint.setStyle(Style.STROKE);
         borderPaint.setStrokeWidth(1);
     }

     public void setInnerPaint(Paint innerPaint) {
                //this.innerPaint = innerPaint;
     }

     public void setBorderPaint(Paint borderPaint) {
                //this.borderPaint = borderPaint;
     }

    @Override
    protected void dispatchDraw(Canvas canvas) {
       /*
        RectF drawRect = new RectF();
        drawRect.set(0,0, getMeasuredWidth(), getMeasuredHeight());

        canvas.drawRoundRect(drawRect, 5, 5, innerPaint);
                canvas.drawRoundRect(drawRect, 5, 5, borderPaint);
        */

        Bitmap myCanvasBitmap = Bitmap.createBitmap(canvas.getWidth(), canvas.getHeight(), Bitmap.Config.ARGB_8888);
        Canvas myCanvas = new Canvas(myCanvasBitmap);
         //canvas=new Canvas(myCanvasBitmap);
         Paint mShadow = new Paint(Paint.ANTI_ALIAS_FLAG);
         mShadow.setColor(Color.RED);
         //mShadow.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
         mShadow.setStrokeWidth(2);

         mShadow.setStyle(Style.STROKE);
         //Log.i("width and height ", (int)(w-(w/13))+" "+(int)(h-(h/20)));
         //myCanvas.drawRoundRect(new RectF(3,3,(int)(w-(w*0.125)), (int)(h-(h*0.17708))), 10, 10 , mShadow);

         myCanvas.drawRoundRect(new RectF(15, 15, (int) getMeasuredWidth()-15, (int) getMeasuredHeight()-15), 10, 10 , mShadow);

         BlurMaskFilter blurMaskFilter;

         //Create background in White
         Bitmap alpha=myCanvasBitmap.extractAlpha(mShadow,new int[] {20,20});
         mShadow.setColor(Color.YELLOW);
         canvas.drawBitmap(alpha, 20, 20, mShadow);

         int blurValue= 3;
         //Create outer blur, in White
         blurMaskFilter = new BlurMaskFilter(blurValue, BlurMaskFilter.Blur.OUTER);
         mShadow.setMaskFilter(blurMaskFilter);
         canvas.drawBitmap(alpha, 20, 20, mShadow);

         //Create inner blur
         blurMaskFilter = new BlurMaskFilter(blurValue, BlurMaskFilter.Blur.INNER);
         mShadow.setMaskFilter(blurMaskFilter);
         canvas.drawBitmap(myCanvasBitmap, 20, 20, mShadow);

        super.dispatchDraw(canvas);
    }
}