AvatarView.java

/*
    * Create placeholder drawable
    * */
    private void setDrawable() {
        drawable = new Drawable() {
            @Override
            public void draw(@NonNull Canvas canvas) {

                int centerX = Math.round(canvas.getWidth() * 0.5f);
                int centerY = Math.round(canvas.getHeight() * 0.5f);

        /*
        * To draw text
        * */
                if (text != null) {
                    float textWidth = textPaint.measureText(text) * 0.5f;
                    float textBaseLineHeight = textPaint.getFontMetrics().ascent * -0.4f;

            /*
            * Draw the background color before drawing initials text
            * */
                    if (shape == RECTANGLE) {
                        canvas.drawRoundRect(rectF, cornerRadius, cornerRadius, paint);
                    } else {
                        canvas.drawCircle(centerX,
                                centerY,
                                Math.max(canvas.getHeight() / 2, textWidth / 2),
                                paint);
                    }

            /*
            * Draw the text above the background color
            * */
                    canvas.drawText(text, centerX - textWidth, centerY + textBaseLineHeight, textPaint);
                }
            }

            @Override
            public void setAlpha(int alpha) {

            }

            @Override
            public void setColorFilter(ColorFilter colorFilter) {

            }

            @Override
            public int getOpacity() {
                return PixelFormat.UNKNOWN;
            }
        };
    }