Android Verification Code (canvas)

Activity: @Overrideprotected  void oncreate (bundle savedinstancestate)  {     super.oncreate (savedinstancestate);    linearlayout linearlayout =  New linearlayout (this);     verifycodeview vc = new verifycodeview (this,6);     textview textview = new textview (this);     textview.settext ("Verification Code:");     edittext mincode = new edittext ( this);     vc.setonclicklistener (New view.onclicklistener ()  {          @Override         public void  OnClick (VIEW&NBSP;V)  {             V.postinvalidate ()//re-call Verifycodeview construction method, update Captcha              toast.maketext (GetaPplicationcontext (), "Updat code", Toast.length_long). Show ();         }         linearlayout.addview (TextView);     linearlayout.addview (Mincode);     linearlayout.addview (VC);     Setcontentview (linearlayout);} view:private character[] codes = {' Q ', ' W ', ' e ', ' r ', ' t ', ' y ', ' u ', ' I '                                   , ' O ', ' P ', ' a ', ' s ', ' d ', ' f ', ' g ', ' H '                                   , ' J ', ' K ', ' l ', ' Z ', ' x ', ' C ', ' V ', ' B '                                  , ' n ', ' m ', ' 1 ', ' 2 ', ' 3 ', ' 4 ', ' 5 ', ' 6 '                                  , ' 7 ', ' 8 ', ' 9 ', ' 0 '};p rivate  character[] vcode;public verifycodeview (Context context)  {     Super (context);     vcode = new character[4];//defines the length of the verification code}public  Verifycodeview (context context, int codesize)  {    super (Context);     vcode = new character[codesize];//defines the length of the Verification code} @Overrideprotected  void  ondraw (Canvas canvas)  {    super.ondraw (Canvas);     Vcode = getcodes (codes);     paint pen = new paint ();     pen.setcolor (COlor. white);     int mwidth = getwidth ();     canvas.drawrect ( Mwidth*2/3,10.0f,mwidth-20,100.0f,pen);     random r = new random (100);     int padding = 1;    for  (int i =  0; i < vcode.length; i++)  {         Pen.setcolor (Color.rgb (R.nextint (), R.nextint (), R.nextint ()));         Pen.settextsize,         //canvas.drawtext (new char[]{' A ', ' C ', ' B ', ' d ', ' 1 ', ' 2 ', ' e '},0,7,mwidth*2/3+10,70.0f,pen);         //string  text =  "H" +r.nextint () + "E" +r.nextint () + "L";         Canvas.drawtext (Vcode[i].tostring (), Mwidth*2/3+padding,70.0f,pen);         padding = padding + 35;    }}public character[] getcodes (Character[]  Codes) {    random rd = new random ();    for  ( int i = 0; i < vcode.length; i++)  {         vcode[i] = codes[rd.nextint (];    }    ) Return vcode;}

Android Verification Code (canvas)