Utils.java 文件源码

private static Transformation getTransformation(Context context) {
    if (PICASSO_CIRCLE_TRANSFORMATION == null) {
        final int color;
        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
            color = context.getResources().getColor(R.color.black);
        } else {
            color = context.getColor(R.color.black);
        }
        PICASSO_CIRCLE_TRANSFORMATION = new RoundedTransformationBuilder()
                .borderColor(color)
                .borderWidthDp(2)
                .scaleType(ImageView.ScaleType.CENTER_CROP)
                .oval(true)
                .build();
    }
    return PICASSO_CIRCLE_TRANSFORMATION;
}