ios - UIButton is not appearing inside PopoverView -

i have written code popovermenu , adding 3 uitextfields , 1 uibutton, problem textfields appearing correctly button not appearing. code of function:

- (ibaction)addprofile:(uibarbuttonitem *)sender { uiviewcontroller *popmenu = [[uiviewcontroller alloc] init]; popmenu.contentsizeforviewinpopover = cgsizemake(400, 400);  if (_colorpickerpopover == nil) {     _colorpickerpopover = [[uipopovercontroller alloc] initwithcontentviewcontroller:popmenu];     uitextfield *name = [[uitextfield alloc] initwithframe:cgrectmake(60, 28, 300, 28)];     name.placeholder = @"company name";     [_colorpickerpopover.contentviewcontroller.view addsubview:name];     uitextfield *angle = [[uitextfield alloc] initwithframe:cgrectmake(60, 108, 300, 28)];     angle.placeholder = @"view angle in deg";     [_colorpickerpopover.contentviewcontroller.view addsubview:angle];     uitextfield *maxdist = [[uitextfield alloc] initwithframe:cgrectmake(60, 188, 300, 28)];     maxdist.placeholder = @"maximum distance in mtrs";     [_colorpickerpopover.contentviewcontroller.view addsubview:maxdist];     uibutton *adddata = [[uibutton alloc] initwithframe:cgrectmake(80, 280, 180, 30)];     int state = uicontrolstatenormal | uicontrolstatehighlighted | uicontrolstatedisabled | uicontrolstateselected;     [adddata settitle:@"add profile" forstate:state];     [_colorpickerpopover.contentviewcontroller.view addsubview:adddata];     [_colorpickerpopover presentpopoverfrombarbuttonitem:(uibarbuttonitem *) sender  permittedarrowdirections:uipopoverarrowdirectionup animated:yes]; } else {     [_colorpickerpopover dismisspopoveranimated:yes];     _colorpickerpopover = nil; } }