Tuesday, January 29, 2013

Custom KeyBoard Handler With Done, Next and Previous Button



Keyword: Safari like keyboard, done, next button, tab orderring, text field, text field delegate

Custom KeyBoard Handler With Done, Next and Previous Button

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Get the sample code and helper file from the link

1) Copy helper files customKeyBoardHelper.h and customKeyBoardHelper.m to your project.
2) Follwing methods are provided in helper classes

  -(void)showingKeyboardHeader:(BOOL)isKeyboard;
  -(void)showingDoneButton:(BOOL)isDone;
  -(void)settingTitleForDoneButton:(NSString *)done WithImage:(UIImage *)dimg;


  -(void)addButtonWithTitle:(NSString *)tit forCustomHandler:(SEL)sel;
  -(void)addButtonWithImage:(UIImage *)img forCustomHandler:(SEL)sel;


  -(void)addButtonWithTitle:(NSString *)tit forEvent:(events)sel;
  -(void)addButtonWithImage:(UIImage *)img forEvent:(events)sel;


  -(void)addTextField:(UITextField *)txtField;
  -(void)getCustomeKeyBoard;
  -(id)initWithBaseController:(UIViewController *)ctrl;



Use of Helper Classes


1) Take a project of name KeyBoardSample.

2) Open KeyBoardSample.xib and populate 4 text fields on it. 

3) Named these as txt1,txt2,txt3 and txt4.

4) Connect all text fields outlets to .h File.

5) import customKeyBoardHelper.h to KeyBoardSample.h

5) Open .m file and modified the code of  viewDidLoad as 


- (void)viewDidLoad
{
    [super viewDidLoad];
    
    customKeyBoardHelper *helper=[[customKeyBoardHelper alloc]initWithBaseController:self];
    [helper addTextField:self.txt1];
    [helper addTextField:self.txt3];
    [helper addTextField:self.txt2];

//  Here tab order is txt1 --> txt3 --> txt2 . You can change it.

    [helper addButtonWithTitle:@"Next" forEvent:MoveToNext];

// Two methods are provided. MoveToNext and MoveToBack
//  MoveToNext method is used to move cursor from one text field to next field.
//  MoveToBack method is used to move cursor from one text field to previous field.

   [helper addButtonWithTitle:@"Test" forCustomHandler:@selector(testtask)];

// You can also make your custom handler. Here we have made a method named testtask. We need to implement this method later.

// You can also set the image instead of giving title as 

 [helper addButtonWithImage:[UIImage imageNamed:@"imageName.png"forEvent:MoveToNext];
   
// Finally call the method to set your custom key board.   
    [helper getCustomeKeyBoard];
}


6) implement testtask method.

-(void)testtask
{



}

7) Done button is provided by default. You can hide this by using method showingDoneButton.


Get the sample code and helper files at   
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Sunday, January 13, 2013

iPhone Post Web Service Helper

POST SERVICE HELPER 

Keywords: Post service, HTTP, Helper

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Helper classes download at http://adf.ly/ILKC0


1)  Get the helper classes for post service from here. This helper class provides asynchronous request.

2) Methods provided by helper classes

  -(void)setURL:(NSString *)str;
  -(void)addParamValue:(NSString *)value forKey:(NSString *)key;
  -(void)addHeaderValue:(NSString *)value forKey:(NSString *)key;
  -(void)runWithController:(UIViewController *)ctrl andCallBack:(SEL)select;


Use of helper classes


i) import Post service helper class where do you want to use post service
        #import "PostServiceHelper.h"

ii) Initialise object of PostServiceHelper as 
      PostServiceHelper *helper=[[PostServiceHelper alloc]init];

iii) set URL as 

    [helper setURL:urlString];

    // url string is your url where do you want to send request.



iv) set Header as 
      [helper  addHeaderValue:value forKey:key];
      // value and key are NSString 

v) set Parameter as
     [helper addParamValue:value forKey:key];
     // value and key are NSString 

vi) Run service
    [helper runWithController:self andCallBack:@selector(callback:)];
  // callback: is a callback method


vii) You can use call back method as  

-(void)callback:(NSString *)result
{
        NSLog(@"%@", result);
// Here we are printing response , You can use this result as you want

 }

You can get the source file from here