objective c - IOS : I am using PDColoredProgressView for my progressive view -

this code , have added nstimer

 pdcoloredprogressview *progressview =[[pdcoloredprogressview alloc] initwithprogressviewstyle:uiprogressviewstyledefault];     [progressview setframe:cgrectmake(50, 50, 200, 25)];     [progressview setprogress:0.1 animated:yes];    [ progressview settintcolor:[uicolor redcolor]];     [self.view addsubview:progressview];      - (ibaction)startcount:(id)sender     {         _progressvaalue = 0.0f         self.mytimer = [nstimer scheduledtimerwithtimeinterval:1 target:self selector:@selector(updateui:) userinfo:nil repeats:yes];     }      - (void)updateui:(nstimer *)timer     {            int count =0; count++;            if (count <= 1)        {            _progressvaalue = _progressvaalue + 0.1;            progressview.progress = _progressvaalue;                  }  

i getting this code, progressive view not showing