How to Find Device Width and Height in Android SDK

Display display = ((WindowManager)getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
int screen_width = display.getWidth();
int screen_height = display.getHeight();

How to Find Device Width and Height in iOS SDK

CGRect screenBounds = [[UIScreen mainScreen] bounds];
NSString *width=[NSString stringWithFormat:@"%g",screenBounds.size.width ];
NSString *height=[NSString stringWithFormat:@"%g",screenBounds.size.height ];
ight %@", width,height,NSStringFromCGRect(screenBounds));

ASI HTTP Request + JSON Sample

  
ASIHTTPRequest *req = [ASIHTTPRequest requestWithURL:URL];
    req.delegate = self;
    req.userInfo = [NSDictionary dictionaryWithObject:@"initialRequest" forKey:@"type"];
    NSData *body = [jsonString  dataUsingEncoding:NSUTF8StringEncoding];
    [req appendPostData:body];
    [req startSynchronous];

iPhone Game Tutorial With Videos – Programming Tutorials

Good Tutorials,

iPhone Game Tutorial With Videos – Programming Tutorials

iPhone Cocoa Programming Tutorials

http://iphonedevelopertips.com/book-reviews/cocoa-programming-part-ii.html

How To Use UIView Animation Tutorial- iPhone

very easy to understand the animation concept

How To Use UIView Animation Tutorial

Detect device is an Android Tablet or not

public static int DISPLAY_SCREEN_WIDTH = 0;
public static int DISPLAY_SCREEN_HEIGHT = 0;
private int MAX_PHONE_WIDTH = 500;
private int MAX_PHONE_HEIGHT = 800;
private boolean isDeviceATablet() {
boolean bIsDeviceATablet = false;

Display display = ((WindowManager)getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
DISPLAY_SCREEN_WIDTH = display.getWidth();
DISPLAY_SCREEN_HEIGHT = display.getHeight();


if( (DISPLAY_SCREEN_WIDTH > MAX_PHONE_WIDTH) || (DISPLAY_SCREEN_HEIGHT > MAX_PHONE_HEIGHT) )
bIsDeviceATablet = true;
if(bIsDeviceATablet)
Log.i("Device is identified as an Android TABLET.");
else
Log.i("Device is identified as an Android PHONE.");

return bIsDeviceATablet;
}

UITextField delegate Methods in objectice c

1. textFieldDidBeginEditing:

Tells the delegate that editing began for the specified text field.

- (void)textFieldDidBeginEditing:(UITextField*)textField

 

2. textFieldDidEndEditing:

Tells the delegate that editing stopped for the specified text field.

- (void)textFieldDidEndEditing:( UITextField *)textField

3.textFieldShouldBeginEditing:

Asks the delegate if editing should begin in the specified text field.

- (BOOL)textFieldShouldBeginEditing:( UITextField *)textField

4.textFieldShouldClear:

Asks the delegate if the text field’s current contents should be removed.

- (BOOL)textFieldShouldClear:(UITextField *)textField

 5.textFieldShouldEndEditing:

Asks the delegate if editing should stop in the specified text field.

- (BOOL)textFieldShouldEndEditing:(UITextField *)textField

6.textFieldShouldReturn:

Asks the delegate if the text field should process the pressing of the return button.

- (BOOL)textFieldShouldReturn:(UITextField *)textField

Objective -C Pdf

Objective C PDF

How to Split string into substring in iOS Sdk

You can also split a string by a substring, using NString’s componentsSeparatedByString method.
NSString *list = @”amal, arun, balaji, dhina, guru, hari, kumar,mahes”;
NSArray *listItems = [list componentsSeparatedByString:@", "];

C # Checkbox Tutorial

The Tutorial is pretty easy and understandable

http://www.java2s.com/Code/CSharp/GUI-Windows-Form/CheckBox.htm