ColorPickerAdapter.java 文件源码

private void buildColorPickerView(View view, int colorCode) {
    view.setVisibility(View.VISIBLE);

    ShapeDrawable biggerCircle = new ShapeDrawable(new OvalShape());
    biggerCircle.setIntrinsicHeight(20);
    biggerCircle.setIntrinsicWidth(20);
    biggerCircle.setBounds(new Rect(0, 0, 20, 20));
    biggerCircle.getPaint().setColor(colorCode);

    ShapeDrawable smallerCircle = new ShapeDrawable(new OvalShape());
    smallerCircle.setIntrinsicHeight(5);
    smallerCircle.setIntrinsicWidth(5);
    smallerCircle.setBounds(new Rect(0, 0, 5, 5));
    smallerCircle.getPaint().setColor(Color.WHITE);
    smallerCircle.setPadding(10, 10, 10, 10);
    Drawable[] drawables = {smallerCircle, biggerCircle};

    LayerDrawable layerDrawable = new LayerDrawable(drawables);

    view.setBackgroundDrawable(layerDrawable);
}