iOS Set Image from URL

We can set image to image view from url by converting content of url in NSData as follow.

in viewDidLoad() add following code

 UIImageView *img = [[UIImageView alloc] initWithFrame:CGRectMake(50, 50, 200, 200)];

    NSString *strUrl = @"http://www.freedigitalphotos.net/images/img/homepage/87357.jpg";

    NSData *imageData = [NSData dataWithContentsOfURL:[NSURL URLWithString:strUrl]];

    img.image = [UIImage imageWithData:imageData];

    [self.view addSubview:img];

Also add Following lines to info.plist file for resolve 

Transport security has blocked a cleartext HTTP

NSAppTransportSecurity

NSAllowsArbitraryLoads

     

Radio Button In iOS

Radio Button In iOS

For Radio button demo we used

Four Labels and two buttons

Label 1 - Radio button demo text
Label 2 - Select gender text
Label 3 - Male Text
Label 4 - Female Text

Two button for radio selection functionality.
Drag all labels and buttons to view controller at storyboard.

Create iboutlet to h file as follow

#import

#import "TestDelegate.h"

@interface ViewController : UIViewController<TestDelegate>

@property (weak, nonatomic) IBOutlet UILabel *lblValue;

@property (weak, nonatomic) IBOutlet UISlider *slider;

- (IBAction)sliderValueChanged:(id)sender;

- (IBAction)btnMale:(id)sender;

- (IBAction)btnFemale:(id)sender;

@property (weak, nonatomic) IBOutlet UIButton *ioMale;

@property (weak, nonatomic) IBOutlet UIButton *ioFemale;

@end

In .m File do following functionality

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    

    

}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

- (IBAction)btnMale:(id)sender {

   [self.ioMale setBackgroundImage:[UIImage imageNamed:@"radio_checked.png"] forState:UIControlStateNormal];

    [self.ioFemale setBackgroundImage:[UIImage imageNamed:@"radio_uncheck.png"] forState:UIControlStateNormal];

    

}

- (IBAction)btnFemale:(id)sender {[self.ioMale setBackgroundImage:[UIImage imageNamed:@"radio_uncheck.png"] forState:UIControlStateNormal];

    [self.ioFemale setBackgroundImage:[UIImage imageNamed:@"radio_checked.png"] forState:UIControlStateNormal];

}

#pragma mark - Sample protocol delegate

-(void)processCompleted{

   

}

@end