How to add rectangles on top of existing rectangle in canvas

Question

I\'m trying to add some red rectangles within my existing canvas on top of specific boxes exactly like the expected result image but they don\'t appear at a

Answer 1

You are drawing all of the rectangles, but it looks like you want to skip all of the "odd" rectangles - or every second rectangle... and be sure to change the color to "red" - something like this:

    //draw red windows
    for (int i = 0; i < 4; i++) {
        mWindowPaint.setStyle(Paint.Style.STROKE);//add this
        int left = i * rectWidth;
        int right = left + rectWidth;
        if (i == 1){
            mWindowPaint.setStyle(Paint.Style.FILL); // change to this
        }

        if (i % 2 == 0) {
            Rect rect = new Rect(left, 0, right, topRectHeight);
            canvas.drawRect(rect, mRedPaint);
            Rect rect2 = new Rect(left, h - bottomRectHeight, right, h);
            canvas.drawRect(rect2, mRedPaint);
        }
    }
}

EDIT:

I think the "filled" rectangle on the bottom is supposed to be more like:

    //draw red windows
    for (int i = 0; i < 4; i++) {
        int left = i * rectWidth;
        int right = left + rectWidth;

        mWindowPaint.setStyle(Paint.Style.STROKE);//add this
        if (i % 2 == 0) {
            Rect rect = new Rect(left, 0, right, topRectHeight);
            canvas.drawRect(rect, mRedPaint);
            if (i == 1){
                mWindowPaint.setStyle(Paint.Style.FILL); // change to this
            }
            Rect rect2 = new Rect(left, h - bottomRectHeight, right, h);
            canvas.drawRect(rect2, mRedPaint);
        }
    }
}