iOS

 Problem: cncontactviewcontroller not show navigation bar for my app while navigate from my app.How to sove that? Solution:                              self . tabBarController ?. navig ationController ?. isNavigationB arHidden   =   false                               self . tabBarController ?. navigat ionController ?. pushViewControl ler (viewControllerforContact,   animated :   true ) After pop back from contact view call the hide navigation because if you used the custom navigation bar.      override   func   viewDidAppear ( _  animated:  Bool ) {           self . tabBarController ?. navigat ionController ?. isNavigationBar Hidden   =   true }

 Problem: I want to store CGPoint in userdefaults.How can i achieve that? Solution: You have to convert the cgpoint to string then save it in userdefaults.      //  MARK: -  set and get the Add button frame      func   getBtnBounds ()-> CGPoint ? {          if   let  obj =  self . userDefaults . object ( forKe y :  "BtnBounds" )  as ?  String  {              let  point =  NSCoder . cgPoint ( for :obj)              return  point         }  else  {              return   nil         }     }           func   setBtnBounds ( value :  CGPoint ) {          let  pointValue =  NSCoder . string ( for : value) ...

 Problem: While swipe edit options in collection view or tableview open after going to edit screen it was not shown that cell is in swipe mode not closed yet while pop from the nextView.How to solve that? Solution: It's because of tableview is in edit mode itself.                             viewControl. CollView . endEditi ng ( true ) Call this method to end the editing.

Problem:  I want to design my button as first image then one space followed by text.How to achieve that in swift? Solution:             my Button . imageEdgeInsets   =   UIEdgeInsets ( top : 0,   left : 0,   bottom : 0,   right : 5)               my Button . titleEdgeInsets   =   UIEdgeInsets ( top : 0,   left : 5,   bottom : 0,   right : 0)               my Button . setImage (my image   ,   for : . normal )               my Button . setTitle ("title" ,   for : . normal )               my Button . contentHorizontalA lignment   = . fill

 Problem: While try to open camera in my app it shows that below error. Auto device for both positions unsupported, returning Auto device for same position anyway (BackAuto .. How to solve that? Solution: Because you tried in main queue.You must  try async then it will be solved. My function to be as like below.      func   openCamera () {          let  authStatus =  AVCaptureDevice . authorizationS tatus ( for :  AVMediaType . video )          switch  (authStatus){          case  . notDetermined :              showAlert ( msg : "Camera access denied" ,  controller :  self )          case  . restricted :              showAlert ( msg :  "Camera access denied" ,  controller :  self )          case  . denied :...