Android: Overlap images and text

/* this is a simple overlay: one bitmap over another */
public static Bitmap overlay(Bitmap bmp1, Bitmap bmp2)
{
	Bitmap bmOverlay = Bitmap.createBitmap(bmp1.getWidth(),
		bmp1.getHeight(), bmp1.getConfig());
	Canvas canvas = new Canvas(bmOverlay);
	canvas.drawBitmap(bmp1, new Matrix(), null);
	canvas.drawBitmap(bmp2, new Matrix(), null);
	return bmOverlay;
}

/* this is a bit more complex overlay - includes 2 lines of text and a transparent PNG on the background */
public static Bitmap overlaybottom( Context context, Bitmap bmp1,
	String textLine1, String textLine2 )
{
	// final bitmap
	Bitmap bmOverlay = Bitmap.createBitmap(bmp1.getWidth(),
		bmp1.getHeight(), bmp1.getConfig());
	Canvas canvas = new Canvas(bmOverlay);
	canvas.drawBitmap(bmp1, new Matrix(), null);

	// the second bitmap is a transparent PNG (make it the height you need for 2 lines
	Bitmap bmp2 = BitmapFactory.decodeResource( context.getResources(),
			R.drawable.transparent_png );

	// this is a bit hard-coded but it's just to give an idea...
	boolean singleLine = false;
	boolean doubleLine = false;

	if ( textLine1 != null && textLine1.trim().length() > 0 )
		singleLine = true;

	if ( textLine2 != null && textLine2.trim().length() > 0 )
		doubleLine = true;

	// ** pinto bitmap al pie
	int top = bmp1.getHeight() - bmp2.getHeight();
	int left = 0;

	if ( doubleLine == false )
		top += ( bmp2.getHeight() / 2 );

	canvas.drawBitmap(bmp2, left, top, null);

	if ( singleLine )
	{
		// we have one line of text - set font sizes and paddings
		final int FONT_SIZE = 35;
		final int FONT_SIZE_SMALL = 25;
		final int PADDING = 30;

		Paint paint = new Paint();
		paint.setTextSize( FONT_SIZE );
		paint.setShadowLayer(5, 5, 5, Color.parseColor("#ffffff"));
		paint.setTypeface(Typeface.DEFAULT_BOLD );

		top = top + PADDING;
		left = PADDING / 2;

		// draw the text for the first line
		canvas.drawText( textLine1, left, top, paint );

		if ( doubleLine )
		{
			// we have a second line of text - reset font size
			paint.setTextSize( FONT_SIZE_SMALL );
			paint.setTypeface(Typeface.DEFAULT );

			// with 2 lines of text, our transparent PNG should be higer
			top += paint.getTextSize() + ( PADDING / 2 );

			// finally, draw the text over the transparent PNG
			canvas.drawText( textLine2, left, top, paint );
		}
	}

	return bmOverlay;
}