To demonstrate the creation of the Custom Controls using objective c

Posted by: DharmendraPosted on:Feb 26 2011[5 Comments ]

Your Description HereThis tutorial is used to show how to create the custom views in objective c.

 

 

1.  Open the xcode & choose "File->New Project".

2.  Select "window-based-Aapplication" from left menu .

3.  Name your project as "CustomControls" and save the project.

4.  Then  select "CustomControlsAppDelegate.h" file from the left side menu or group and files. Then enter the following :

 

#import <UIKit/UIKit.h>

 

@interface CustomControlsAppDelegate : NSObject <UIApplicationDelegate> {

        UIWindow *window;

UITextField *textField;

UITextField *textFieldOne;

UILabel *result;

}

 

@property(retain,nonatomic)UITextField *textField;

@property(retain,nonatomic)UITextField *textFieldOne;

@property (nonatomic, retain) IBOutlet UIWindow *window;

@property (nonatomic, retain) UILabel *result;

@end

 

 

 

 

 

5. Then  select "CustomControlsAppDelegate.m" file from the left side menu or group and files.

 

#import "CustomControlsAppDelegate.h"

 

@implementation CustomControlsAppDelegate

 

@synthesize window,textField,textFieldOne,result;

 

 

#pragma mark -

#pragma mark Application lifecycle

 

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {    

    

    // Override point for customization after application launch.

UIView *view = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 320, 480)];

UILabel *label =[[UILabel alloc] initWithFrame:CGRectMake(10, 50, 100, 40)];

label.textColor = [UIColor blueColor];

label.backgroundColor =[UIColor cyanColor];

        label.textAlignment = UITextAlignmentLeft; 

label.text =@"First";

[view addSubview:label];

textField = [[UITextField alloc]initWithFrame:CGRectMake(130, 50,100 ,30)];

textField.borderStyle =UITextBorderStyleRoundedRect;

textField.textColor = [UIColor  blackColor];

[view addSubview:textField];

UILabel *label1 =[[UILabel alloc] initWithFrame:CGRectMake(10, 100, 100,40)];

label1.textColor = [UIColor blueColor];

  label1.backgroundColor =[UIColor cyanColor];

label1.textAlignment = UITextAlignmentLeft; 

label1.text =@"Second";

[view addSubview:label1];

textFieldOne =[[UITextField alloc]initWithFrame:CGRectMake(130, 100, 100,30)];

textFieldOne.borderStyle =UITextBorderStyleRoundedRect;

textFieldOne.textColor =[UIColor blackColor];

[view addSubview:textFieldOne];

UIButton *button = [UIButton buttonWithType:UIButtonTypeRoundedRect];

button.frame=CGRectMake(130,200,100,40);

[button setTitle:@"Add" forState:UIControlStateNormal];

//button.backgroundColor=[UIColor blueColor];

[button setTitleColor:[UIColor blueColor] forState:UIControlStateNormal]; 

[button addTarget:self  action:@selector(addition) forControlEvents:UIControlEventTouchUpInside];

[view addSubview:button];

result =[[UILabel alloc] initWithFrame:CGRectMake(10, 150, 100,40)];

result.textColor = [UIColor redColor];

         result.textAlignment = UITextAlignmentLeft; 

result.backgroundColor =[UIColor cyanColor];

result.text =@"Result";

[view addSubview:result];

window.backgroundColor = [UIColor cyanColor];

[window addSubview:view];

         [window makeKeyAndVisible];

    return YES;

}

 

 

-(void)addition

{

int x =[textField.text intValue]+[textFieldOne.text intValue];

result.text=[[NSString alloc] initWithFormat:@"%d",x];

NSLog(@"%i",x);

}

 

7. Click on the Built and Run tool and save it. Now you will have an output in front of you.