如何画一个小ShapeDrawable在另一个shapeDrawable编程

问题描述

我试着画中的另一圆小了一圈。看来pretty的简单，但有这个麻烦，不可能找到答案林。使用code IM是：

Im trying to draw a smaller circle within another circle.It seems pretty simple but Im having trouble with this and couldnt find an answer.The code im using is:

    ShapeDrawable biggerCircle= new ShapeDrawable( new OvalShape());
    biggerCircle.setIntrinsicHeight( 60 );
    biggerCircle.setIntrinsicWidth( 60);
    biggerCircle.setBounds(new Rect(0, 0, 60, 60));
    biggerCircle.getPaint().setColor(Color.BLUE);

    ShapeDrawable smallerCircle= new ShapeDrawable( new OvalShape());
    smallerCircle.setIntrinsicHeight( 10 );
    smallerCircle.setIntrinsicWidth( 10);
    smallerCircle.setBounds(new Rect(0, 0, 10, 10));
    smallerCircle.getPaint().setColor(Color.BLACK);
    smallerCircle.setPadding(50,50,50,50);

    LayerDrawable composite1 = new LayerDrawable(new Drawable[] biggerCircle,smallerCircle,});

但没有工作，什么情况是，小圆圈得到尽可能大的更大的圈子。所以唯一表现是作为黑圈与biggerCircle的大小。我apriciate如果有人可以帮助。先谢谢了。

But that didnt work, what happens is that the smaller circle get as big as the the bigger circle. So the only thing showing is as black circle with the size of the biggerCircle.I would apriciate if someone could help. Thanks in advance.

推荐答案

改变顺序，

绘制对象[] D = {smallerCircle，biggerCircle};

Drawable[] d = {smallerCircle,biggerCircle};

LayerDrawable composite1 =新LayerDrawable（D）;

LayerDrawable composite1 = new LayerDrawable(d);

        ShapeDrawable biggerCircle= new ShapeDrawable( new OvalShape());
        biggerCircle.setIntrinsicHeight( 60 );
        biggerCircle.setIntrinsicWidth( 60);
        biggerCircle.setBounds(new Rect(0, 0, 60, 60));
        biggerCircle.getPaint().setColor(Color.BLUE);

        ShapeDrawable smallerCircle= new ShapeDrawable( new OvalShape());
        smallerCircle.setIntrinsicHeight( 10 );
        smallerCircle.setIntrinsicWidth( 10);
        smallerCircle.setBounds(new Rect(0, 0, 10, 10));
        smallerCircle.getPaint().setColor(Color.BLACK);
        smallerCircle.setPadding(50,50,50,50);
        Drawable[] d = {smallerCircle,biggerCircle};

        LayerDrawable composite1 = new LayerDrawable(d);

        btn.setBackgroundDrawable(composite1);

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