Have bosses can teach, how to save the selected radiobutton in ios, and in the next time you start the app by default this option is selected to

 
- (void) viewDidLoad {
[super viewDidLoad]; 
NSUserDefaults * defaults=[NSUserDefaults standardUserDefaults]; 
Self. RadioButton1. Selected=[defaults boolForKey: @ "radiobutton"]. 
Self. RadioButton2. Selected=[defaults boolForKey: @ "radiobutton"]. 
Self. RadioButton3. Selected=[defaults boolForKey: @ "radiobutton"]. 
[self. RadioButton1 addTarget: self action: @ the selector (RadioButton1) forControlEvents: (UIControlEventValueChanged)]; 
[the self view addSubview: self RadioButton1]; 
//Do any additional setup after loading the view. 
} 


- (IBAction) onRadioBtn: RadioButton *) sender {
_statusLabel. Text=[nsstrings stringWithFormat: @ "% @", sender. TitleLabel. Text]; 
NSUserDefaults * defaults=[NSUserDefaults standardUserDefaults]; 
BOOL an isSelected=[[NSUserDefaults standardUserDefaults] boolForKey: @ "radiobutton"]. 
An isSelected=! An isSelected; 
[defaults setBool: sender. Selected forKey: @ "radiobutton"]. 
[defaults the synchronize]; 
} 

@ end 

CodePudding user response:

 
[radioButton setSelected: YES] 

CodePudding user response:

See you write so no problem

CodePudding user response:

refer to the second floor after 90 taxpayers' response:

see you write no problem

if it is more than one button is whether need to record is selected, you need to save each button corresponds to a key record