android - Crop square image to circle - Programmatically -

i searching past 1 day , not successful .

i image api , , download bitmap file using following code .

private bitmap downloadimage(string url)      {         bitmap bitmap = null;         inputstream in = null;         try          {             in = openhttpconnection(url);             bitmap = bitmapfactory.decodestream(in);             in.close();         }         catch (ioexception e1)          {             e1.printstacktrace();         }         return bitmap;     }      private inputstream openhttpconnection(string urlstring) throws ioexception      {         inputstream in = null;         int response = -1;          url url = new url(urlstring);         urlconnection conn = url.openconnection();          if (!(conn instanceof httpurlconnection))             throw new ioexception("not http connection");          try          {             httpurlconnection httpconn = (httpurlconnection) conn;             httpconn.setallowuserinteraction(false);             httpconn.setinstancefollowredirects(true);             httpconn.setrequestmethod("get");             httpconn.connect();              response = httpconn.getresponsecode();             if (response == httpurlconnection.http_ok)              {                 in = httpconn.getinputstream();             }         }         catch (exception ex)          {             throw new ioexception("error connecting");         }         return in;     } 

and image square , want crop 4 corners , make circular image . there possible way achieve ?

any related answers welcomed . in advance .

public class mainactivity extends activity {     @override     protected void oncreate(bundle savedinstancestate) {         // todo auto-generated method stub         super.oncreate(savedinstancestate);         drawingview dv = new drawingview(this);         setcontentview(dv);     }      class drawingview extends view {         bitmap bitmap;          public drawingview(context context) {             super(context);             bitmap = bitmapfactory.decoderesource(context.getresources(),                     r.drawable.glossy_overlay);          }          @override         public void ondraw(canvas canvas) {             paint paint = new paint();             // paint.setcolor(color.cyan);             canvas.drawbitmap(getclip(), 30, 20, paint);         }          public bitmap getclip() {             bitmap output = bitmap.createbitmap(bitmap.getwidth(),                     bitmap.getheight(), config.argb_8888);             canvas canvas = new canvas(output);             final int color = 0xff424242;             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.drawcircle(bitmap.getwidth() / 2,                     bitmap.getheight() / 2, bitmap.getwidth() / 2, paint);             paint.setxfermode(new porterduffxfermode(mode.src_in));             canvas.drawbitmap(bitmap, rect, rect, paint);             return output;         }     } }