废话不多说了，直接给大家贴代码了，具体代码如下所示：
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public class roundimageview extends imageview {private paint paint;private int roundwidth = 50;private int roundheight = 50;private paint paint2;public roundimageview(context context, attributeset attrs, int defstyle) {super(context, attrs, defstyle);init(context, attrs);}public roundimageview(context context, attributeset attrs) {super(context, attrs);init(context, attrs);}public void setroundvalue(float roundvalue) {roundwidth = (int) roundvalue;roundheight = (int) roundvalue;}public roundimageview(context context) {super(context);init(context, null);}@suppresslint("recycle")private void init(context context, attributeset attrs) {if (attrs != null) {typedarray a = context.obtainstyledattributes(attrs, r.styleable.roundangleimageview);roundwidth = a.getdimensionpixelsize(r.styleable.roundangleimageview_roundwidth, roundwidth);roundheight = a.getdimensionpixelsize(r.styleable.roundangleimageview_roundheight, roundheight);} else {float density = context.getresources().getdisplaymetrics().density;roundwidth = (int) (roundwidth * density);roundheight = (int) (roundheight * density);}paint = new paint();paint.setcolor(color.white);paint.setantialias(true);paint.setxfermode(new porterduffxfermode(porterduff.mode.dst_out));paint2 = new paint();paint2.setxfermode(null);}@overridepublic void draw(canvas canvas) {bitmap bitmap = bitmap.createbitmap(getwidth(), getheight(), config.argb_8888);canvas canvas2 = new canvas(bitmap);super.draw(canvas2);drawliftup(canvas2);drawrightup(canvas2);drawliftdown(canvas2);drawrightdown(canvas2);canvas.drawbitmap(bitmap, 0, 0, paint2);bitmap.recycle();bitmap = null;}private void drawliftup(canvas canvas) {path path = new path();path.moveto(0, roundheight);path.lineto(0, 0);path.lineto(roundwidth, 0);path.arcto(new rectf(0, 0, roundwidth * 2, roundheight * 2), -90, -90);path.close();canvas.drawpath(path, paint);}private void drawliftdown(canvas canvas) {path path = new path();path.moveto(0, getheight() - roundheight);path.lineto(0, getheight());path.lineto(roundwidth, getheight());path.arcto(new rectf(0, getheight() - roundheight * 2, 0 + roundwidth * 2, getwidth()), 90, 90);path.close();canvas.drawpath(path, paint);}private void drawrightdown(canvas canvas) {path path = new path();path.moveto(getwidth() - roundwidth, getheight());path.lineto(getwidth(), getheight());path.lineto(getwidth(), getheight() - roundheight);path.arcto(new rectf(getwidth() - roundwidth * 2, getheight() - roundheight * 2, getwidth(), getheight()), 0,90);path.close();canvas.drawpath(path, paint);}private void drawrightup(canvas canvas) {path path = new path();path.moveto(getwidth(), roundheight);path.lineto(getwidth(), 0);path.lineto(getwidth() - roundwidth, 0);path.arcto(new rectf(getwidth() - roundwidth * 2, 0, getwidth(), 0 + roundheight * 2), -90, 90);path.close();canvas.drawpath(path, paint);}} |
好了，有关android 圆角 imageview类可设置弧度的内容小编就给大家介绍到这里，希望对大家有所帮助！
