graphics - Circle crop image with transparent background - Android -


i'm trying described here "i want crop circular region bitmap. pixels outside circle should transparent."

i trying what's in post of them don't offer transparent background, circle image, tried below , didn't work, ideas?

public bitmap getcroppedcircleimage(bitmap bmp, view view) {     bitmap bitmap = getcroppedimage(bmp, view);      bitmap output = bitmap.createbitmap(bitmap.getwidth(), bitmap.getheight(), bitmap.config.argb_8888);     canvas canvas = new canvas(output);      final int color = 0xff227722;     final paint paint = new paint();     final rect rect = new rect(0, 0, bitmap.getwidth(), bitmap.getheight());      paint.setantialias(true);     canvas.drawargb(0, 0, 0, 0);     paint.setcolor(color);      //canvas.drawroundrect(rectf, roundpx, roundpx, paint);     canvas.drawcircle(bitmap.getwidth() / 2, bitmap.getheight() / 2, bitmap.getwidth() / 2, paint);     paint.setxfermode(new porterduffxfermode(porterduff.mode.src_in));     canvas.drawbitmap(bitmap, rect, rect, paint);      paint paint1 = new paint();     paint1.setxfermode(new porterduffxfermode(porterduff.mode.clear));     rect recttransparent=new rect(0, 0, bitmap.getwidth(), bitmap.getheight());     canvas.drawrect(recttransparent,paint1);     paint.setxfermode(new porterduffxfermode(porterduff.mode.src));     canvas.drawbitmap(bitmap, rect, rect, paint);      //bitmap _bmp = bitmap.createscaledbitmap(output, 60, 60, false);     //return _bmp;      outputstream stream = null;     try {         stream = new fileoutputstream("/sdcard/test.png");     } catch (filenotfoundexception e) {         e.printstacktrace();     }     bitmap.compress(bitmap.compressformat.png, 100, stream);     try {         stream.close();     } catch (ioexception e) {         e.printstacktrace();     }     return output; }

you can use library achieve goal

https://github.com/hdodenhof/circleimageview


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