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UIPicker | App Code for Sale | Preview

UIPicker | iOS Tutorial

How to use UIPIckers in your apps

Overview PAGE TOP

Reference: http://www.geekylemon.com/xcode-uipicker

In this tutorial i will be showing you how to use UIPIckers in your apps

Features:

  • 1 UIPicker
  • 1 Label

This feature is handy for letting users select a vast amount of info to display in your app

ViewController.h PAGE TOP

@interface ViewController : UIViewController {
IBOutlet UILabel *label;
IBOutlet UIPickerView *Picker;
NSArray *PickerData;
}

@property (retain, nonatomic) IBOutlet UIPickerView *Picker;
@property (retain, nonatomic) NSArray *PickerData;
@end

ViewController.m PAGE TOP

@implementation ViewController
@synthesize Picker,PickerData;

- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
NSArray *array = [[NSArray alloc] initWithObjects:@"One",@"Two",@"Three",@"Four", nil];
self.PickerData = array;
}

- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}

-(NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView {
return 1;
}

-(NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component {
return [PickerData count];
}

-(NSString *)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component {
return [self.PickerData objectAtIndex:row];
}

-(void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component {
int select = row;
if (select == 0) {
label.text = @"One Is Selected";
} else
if (select == 1) {
label.text = @"Two Is Selected";
} else
if (select == 2) {
label.text = @"Three Is Selected";
} else
if (select == 3) {
label.text = @"Four Is Selected";
}
}
@end

Reference PAGE TOP

http://www.geekylemon.com/xcode-uipicker

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