Programmatically Segmented Control in iPhone

In this application we will see how to implement Segmented Control programmatically in iPhone. So let see how it will
worked.

Step 1: Open the Xcode, Create a new project using View Base application. Give the application
“ProgrammaticallySegmentedControl”.

Step 2: Xcode automatically creates the directory structure and adds essential frameworks to it. You can explore the
directory structure to check out the content of the directory.

Step 3: Expand classes and notice Interface Builder created the FirstViewController and SecondViewController class
for you. Expand Resources and notice the template generated a separate nib,
ProgrammaticallySegmentedControlViewController.xib for the ProgrammaticallySegmentedControl application.

Step 4: Open the ProgrammaticallySegmentedControlViewController.m file and make the following changes:

#import "programmaticallySegmentedControlViewController.h"
#define HeightSegmControl 40.0
#define TextHeight 30.0
#define LeftMargin 30.0
#define RightMargin 30.0
#define TweenMargin 30.0
@implementation programmaticallySegmentedControlViewController
- (void)SegmentControl
{
NSArray *text = [NSArray arrayWithObjects: @" Segmented", @"Control",@"iPhone", nil];
CGFloat yPlacement = (TweenMargin * 3.0) + HeightSegmControl;
CGRect frame=CGRectMake(LeftMargin, yPlacement, self.view.bounds.size.width-(RightMargin *
3.0),TextHeight);
UISegmentedControl *control= [[UISegmentedControl alloc]initWithItems:[NSArray arrayWithObjects: nil]];
control = [[UISegmentedControl alloc] initWithItems:text];
control.frame = frame;
//control.selectedSegmentIndex = 0;
[self.view addSubview:control];
[control release];
// label
//yPlacement += (mTweenMargin * 3.0) + mSegmentedControlHeight;
control = [[UISegmentedControl alloc] initWithItems:text];
frame =CGRectMake(LeftMargin,yPlacement,self.view.bounds.size.width-(RightMargin*
2.0),HeightSegmControl);
control.frame = frame;
control.segmentedControlStyle = UISegmentedControlStyleBar;
//control.tintColor = [UIColor colorWithRed:0.80 green:0.171 blue:0.5 alpha:1.0];
control.selectedSegmentIndex = 1;
[self.view addSubview:control];
[control release];
}
- (void)dealloc
{
[super dealloc];
}
- (void)didReceiveMemoryWarning
{
// Releases the view if it doesn’t have a superview.
[super didReceiveMemoryWarning];
// Release any cached data, images, etc that aren’t in use.
}
#pragma mark – View lifecycle
// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
- (void)viewDidLoad
{
[super viewDidLoad];
[self SegmentControl];
}
- (void)segmentAction:(id)sender
{}
- (void)viewDidUnload
{
[super viewDidUnload];
// Release any retained subviews of the main view.
// e.g. self.myOutlet = nil;
}
-(BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
// Return YES for supported orientations
return (interfaceOrientation == UIInterfaceOrientationPortrait);
}
@end

Step 5: Now Compile and run the application on the Simulator.

You can Download SourceCode from here