MiddleLinesDialog.java 文件源码

@NonNull
private ShapeDrawable getShapeDrawable(int topLeftAndRightRadius, int bottomLeftAndRightRadius, int bgColor) {
    float outRectr[] = new float[]{
            topLeftAndRightRadius, topLeftAndRightRadius,
            topLeftAndRightRadius, topLeftAndRightRadius,
            bottomLeftAndRightRadius, bottomLeftAndRightRadius,
            bottomLeftAndRightRadius, bottomLeftAndRightRadius};
    /**
     * 注意StateListDrawable的构造方法我们这里使用的
     * 是第一参数它是一个float的数组保存的是圆角的半径，它是按照top-left顺时针保存的八个值
     */
    //创建圆弧形状
    RoundRectShape rectShape = new RoundRectShape(outRectr, null, null);
    //创建drawable
    ShapeDrawable pressedDrawable = new ShapeDrawable(rectShape);
    //设置背景的颜色
    pressedDrawable.getPaint().setColor(bgColor);
    return pressedDrawable;
}