Image comparison

  UIImage *image1 = [UIImage imageNamed:@"EmptyLike"];

    UIImage *image2 = [button_image imageForState:UIControlStateNormal];

    

    NSData *data1 = UIImagePNGRepresentation(image1);

    NSData *data2 = UIImagePNGRepresentation(image2);

    if ([data1 isEqualToData:data2]) {

}

Change NSDictionary with NSMutableArray value

   NSMutableDictionary *newDict = [[NSMutableDictionary alloc]init];

    NSDictionary *oldDict = (NSDictionary *)[groupsArr objectAtIndex:selectrow];

    [newDict addEntriesFromDictionary:oldDict];

    [newDict setObject:note.object forKey:groupName];

    [groupsArr replaceObjectAtIndex:selectrow withObject:newDict];

    NSIndexPath *indexPath = [NSIndexPath indexPathForRow:selectrow inSection:0];

    NSArray *indexPaths = [[NSArray alloc] initWithObjects:indexPath, nil];

    [self.GroupsTable reloadRowsAtIndexPaths:indexPaths withRowAnimation:UITableViewRowAnimationNone];

Use the object property of NSNotificationcenter

 NSDictionary* dict = [NSDictionary dictionaryWithObjectsAndKeys:

                              PhoneNoTxtField.text, @"phone",

                              EmailTxtField.text, @"email",

                              nil];        

 [[NSNotificationCenter defaultCenter] postNotificationName:@"phone_email"

                                                            object:self

                                                          userInfo:dict]; 

  [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(addPhoneEmail:) name:@"phone_email" object:nil];

- (void)addPhoneEmail:(NSNotification *)notification {    

    NSLog(@"email: %@",[notification.userInfo objectForKey:@"email"]);

    NSLog(@"phone: %@",[notification.userInfo objectForKey:@"phone"]);

}

(OR)

[[NSNotificationCenter defaultCenter] postNotificationName:@"reloadTable" object:self.TxtGroupName.text];

 [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(rightMenuaction:) name:@"reloadTable" object:nil];

-(void)rightMenuaction:(NSNotification *)note

{

      NSLog(@"reload table %@",note.object);

}

NSMutableArray convert to jsonString

   NSString *jsonString;

   NSError *error;

    NSData *jsonData = [NSJSONSerialization dataWithJSONObject:nsmutablearray

                                                       options:NSJSONWritingPrettyPrinted // Pass 0 if you don't care about the readability of the generated string

                                                         error:&error];

    if (!jsonData) {

        NSLog(@"Got an error: %@", error);

    } else {

        jsonString  = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];

        

    }

NSMutableString add NSString

NSMutableString *address = [[NSMutableString alloc]init];
 
            if (![[jsonObjects objectForKey:@"city"] isEqualToString:@""]){
                if (address.length != 0){
                    [address appendString:@","];
                }
                [address appendString:[jsonObjects objectForKey:@"city"]];
            }

string convert to json

 NSData *returnData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];

        NSString *returnString = [[NSString alloc] initWithData:returnData encoding:NSUTF8StringEncoding];

        NSData *objectData = [returnString dataUsingEncoding:NSUTF8StringEncoding];

        NSDictionary *json = [NSJSONSerialization JSONObjectWithData:objectData

                                                             options:NSJSONReadingMutableContainers

                                                               error:nil];

        

        NSString *strStatus =[NSString stringWithFormat:@"%@",[json objectForKey:@"Status"]];

        NSString *strMessage = [NSString stringWithFormat:@"%@",[json objectForKey:@"Message"]];

        strReg_id = [NSString stringWithFormat:@"%@",[json objectForKey:@"Regid"]];

Phone number format

- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string
{
    NSString *newString = [textField.text stringByReplacingCharactersInRange:range withString:string];
    NSArray *components = [newString componentsSeparatedByCharactersInSet:[[NSCharacterSet decimalDigitCharacterSet] invertedSet]];
    NSString *decimalString = [components componentsJoinedByString:@""];

    NSUInteger length = decimalString.length;
    BOOL hasLeadingOne = length > 0 && [decimalString characterAtIndex:0] == '1';

    if (length == 0 || (length > 10 && !hasLeadingOne) || (length > 11)) {
        textField.text = decimalString;
        return NO;
    }

    NSUInteger index = 0;
    NSMutableString *formattedString = [NSMutableString string];

    if (hasLeadingOne) {
        [formattedString appendString:@"1 "];
        index += 1;
    }

    if (length - index > 3) {
        NSString *areaCode = [decimalString substringWithRange:NSMakeRange(index, 3)];
        [formattedString appendFormat:@"(%@) ",areaCode];
        index += 3;
    }

    if (length - index > 3) {
        NSString *prefix = [decimalString substringWithRange:NSMakeRange(index, 3)];
        [formattedString appendFormat:@"%@-",prefix];
        index += 3;
    }

    NSString *remainder = [decimalString substringFromIndex:index];
    [formattedString appendString:remainder];

    textField.text = formattedString;

    return NO;
}

(OR)

 [self.textField addTarget:self action:@selector(formatPhoneNumber) forControlEvents:UIControlEventEditingChanged];

#pragma mark - phone number formatting

- (void)formatPhoneNumber {

    

    NSString *currentString = self.textField.text;

    NSString *strippedValue = [currentString stringByReplacingOccurrencesOfString:@"[^0-9]" withString:@"" options:NSRegularExpressionSearch range:NSMakeRange(0, currentString.length)];

    NSString *formattedString;

    if (strippedValue.length == 0) {

        formattedString = @"";

    }

    else if (strippedValue.length < 3) {

        formattedString = [NSString stringWithFormat:@"(%@", strippedValue];

    }

    else if (strippedValue.length == 3) {

        formattedString = [NSString stringWithFormat:@"(%@) ", strippedValue];

    }

    else if (strippedValue.length < 6) {

        formattedString = [NSString stringWithFormat:@"(%@) %@", [strippedValue substringToIndex:3], [strippedValue substringFromIndex:3]];

    }

    else if (strippedValue.length == 6) {

        formattedString = [NSString stringWithFormat:@"(%@) %@-", [strippedValue substringToIndex:3], [strippedValue substringFromIndex:3]];

    }

    else if (strippedValue.length <= 10) {

        formattedString = [NSString stringWithFormat:@"(%@) %@-%@", [strippedValue substringToIndex:3], [strippedValue substringWithRange:NSMakeRange(3, 3)], [strippedValue substringFromIndex:6]];

    }

    else if (strippedValue.length >= 11) {

        formattedString = [NSString stringWithFormat:@"(%@) %@-%@ x%@", [strippedValue substringToIndex:3], [strippedValue substringWithRange:NSMakeRange(3, 3)], [strippedValue substringWithRange:NSMakeRange(6, 4)], [strippedValue substringFromIndex:10]];

    }

    

    self.textField.text = formattedString;

}

Image upload with parameters

- (void) pushView {

    NSDate *today = [NSDate date];

    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];

    [dateFormatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];

    NSString *dateString = [dateFormatter stringFromDate:today];

    

    CGFloat compression = 0.9f;

    CGFloat maxCompression = 0.1f;

    int maxFileSize = 250*1024;

    

    NSData *imageData = UIImageJPEGRepresentation(snap.image, compression);

    

    while ([imageData length] > maxFileSize && compression > maxCompression)

    {

        compression -= 0.1;

        imageData = UIImageJPEGRepresentation(snap.image, compression);

    }

    

    NSString *urlString = [NSString stringWithFormat:@"%@/ChatImageMucUpload_android.php",kBaseURL];

    NSString *encodedString = [urlString stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];

    NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];

    [request setURL:[NSURL URLWithString:encodedString]];

    [request setHTTPMethod:@"POST"];

    

    NSString *boundary = @"---------------------------14737809831466499882746641449";

    NSString *contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@",boundary];

    [request addValue:contentType forHTTPHeaderField: @"Content-Type"];

    

    NSMutableData *body = [NSMutableData data];

    [body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];

    [body appendData:[@"Content-Disposition: form-data; name=\"userfile\"; filename=\".jpg\"\r\n" dataUsingEncoding:NSUTF8StringEncoding]];

    [body appendData:[@"Content-Type: application/octet-stream\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];

    [body appendData:[NSData dataWithData:imageData]];

    [body appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];

    

    //date parameter

    [body appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];

    [body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"sImageUploadDate\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];

    

    [body appendData:[dateString dataUsingEncoding:NSUTF8StringEncoding]];

    [body appendData:[@"\r\n" dataUsingEncoding:NSUTF8StringEncoding]];

    

    //userid parameter

    [body appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];

    [body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"sEventId\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];

    

    [body appendData:[self.sEventid dataUsingEncoding:NSUTF8StringEncoding]];

    [body appendData:[@"\r\n" dataUsingEncoding:NSUTF8StringEncoding]];

    

    //eventid parameter

    [body appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];

    [body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"sCreatorId\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];

    

    [body appendData:[self.sUserid dataUsingEncoding:NSUTF8StringEncoding]];

    [body appendData:[@"\r\n" dataUsingEncoding:NSUTF8StringEncoding]];

    

    // close form

    [body appendData:[[NSString stringWithFormat:@"--%@--\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];

    

    

    [request setHTTPBody:body];

    

    NSData *returnData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];

    NSString *returnString = [[NSString alloc] initWithData:returnData encoding:NSUTF8StringEncoding];

    //NSLog(@"return : %@", returnString);

    

    if([returnString isEqualToString:@"2"]){

           NSLog(@"not save");

    }else{

          NSLog(@"save");

  }

php

//  database connection

require_once('DataBaseConnection.php');

$strCreatorId = mysql_real_escape_string($_POST['sCreatorId']);

$strEventId = mysql_real_escape_string($_POST['sEventId']);

$strImageUploadDate = mysql_real_escape_string($_POST['sImageUploadDate']);

if (isset($_POST['sCreatorId'])) {

$picnew_id =mysql_result(mysql_query("Select Max(eg_image_id)+1 as MaxID from eaa_gallery"),0,"MaxID");

$uploaddir = $imgurl.'Gallery/';

$file = basename($_FILES['userfile']['name']);

$uploadFile = $file;

$extension = ".".pathinfo($uploadFile, PATHINFO_EXTENSION);

$randomNumber = "img0".$sslocatID."PD".$picnew_id;

$newName = $uploadDir . $randomNumber;

if ($_FILES['userfile']['size']> 3000000) {

exit("Your file is too large."); 

}

$imageurl = 'Gallery/EventId_'.$strEventId;

if (!file_exists($imageurl)) {

$location = mkdir($imageurl, 0777, true);

}

$imageurl1 = $imageurl.'/'.$newName.$extension;

mysql_query('SET CHARACTER SET utf8');

$strSQL = "INSERT INTO eaa_gallery (eg_event_id, eg_event_creatore_id, eg_image_url, eg_upload_date, eg_status)

VALUES ('".$strEventId."','".$strCreatorId."','".$imageurl1."','".$strImageUploadDate."', 1)";

$objQuery = mysql_query($strSQL);

$arr = null;

if(!$objQuery)

{

$arr = 0;

}

else{

if (move_uploaded_file($_FILES['userfile']['tmp_name'],$imageurl1)) {

/////

$fileSize = filesize($imageurl1);

$path_to_image = $imageurl."/".$newName. $extension; //give the name of image here after slash

                 $path_to_thumbnail = $imageurl."/thumbs/".$newName;

if (!file_exists($imageurl."/thumbs/")) {

$location1 = mkdir($imageurl."/thumbs/", 0777, true);

}

                 resize(100,$path_to_thumbnail, $path_to_image);

//createThumbs($imageurl."/",$imageurl."/thumbs/",$newName);

//$arr = $imageurl1;

$arr = $imageurl."/thumbs/".$newName.$extension."-->".$fileSize;

// moving image

}else{

$arr = 2;

// Not moving

}

}

echo json_encode($arr);

mysql_close($objConnect);

}

 function resize($newWidth, $targetFile, $originalFile) {

    $info = getimagesize($originalFile);

    $mime = $info['mime'];

    switch ($mime) {

            case 'image/jpeg':

                    $image_create_func = 'imagecreatefromjpeg';

                    $image_save_func = 'imagejpeg';

                    $new_image_ext = 'jpg';

                    break;

            case 'image/png':

                    $image_create_func = 'imagecreatefrompng';

                    $image_save_func = 'imagepng';

                    $new_image_ext = 'png';

                    break;

            case 'image/gif':

                    $image_create_func = 'imagecreatefromgif';

                    $image_save_func = 'imagegif';

                    $new_image_ext = 'gif';

                    break;

            default: 

                    throw Exception('Unknown image type.');

    }

    $img = $image_create_func($originalFile);

    list($width, $height) = getimagesize($originalFile);

$black = imagecolorallocate($im, 0, 0, 0);

    $newHeight = ($height / $width) * $newWidth;

    $tmp = imagecreatetruecolor($newWidth, $newHeight);

// Make the background transparent

imagecolortransparent($tmp, $black);

    imagecopyresampled($tmp, $img, 0, 0, 0, 0, $newWidth, $newHeight, $width, $height);

    if (file_exists($targetFile)) {

            unlink($targetFile);

    }

    $image_save_func($tmp, "$targetFile.$new_image_ext");

}

PLIST files programmatically in iPhone using NSObject

viewcontroller.m

#import "PlistFile.h"

- (void)viewDidLoad

{

    [super viewDidLoad];

    

//To insert the data into the plist

    PlistFile *object = [[PlistFile alloc]init];

    NSMutableArray *arrValue = [object pathData:@"register"];

    NSString *pathName = [arrValue objectAtIndex:0];

    NSMutableDictionary *dictValue = [arrValue objectAtIndex:1];

    [dictValue setObject:@"viswa@aitrg.com" forKey:@"emailId"];

    [dictValue setObject:@"ait123" forKey:@"password"];

    [dictValue writeToFile:pathName atomically:YES];

    

//To reterive the data from the plist

    NSMutableDictionary *dict = [object Data:@"register"];

    NSString *username = [dict objectForKey:@"emailId"];

    NSString *password = [dict objectForKey:@"password"];

    NSLog(@"value: %@:%@",username,password);

}

PlistFile.h

@interface PlistFile : NSObject

-(NSString *)path:(NSString *)Name;

-(NSMutableArray *)pathData:(NSString *)plistName;

-(NSMutableDictionary *)Data:(NSString *)plistName;

@end

PlistFile.m

#import "PlistFile.h"

@implementation PlistFile

-(NSString *)path:(NSString *)Name{    

    NSString *fileName = [NSString stringWithFormat:@"%@.plist",Name];

    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);

    NSString *documentsDirectory = [paths objectAtIndex:0];

    NSString *pathName = [documentsDirectory stringByAppendingPathComponent:fileName];

    return pathName;

}

//Careate and save Plist file Programmatically

-(NSMutableArray *)pathData:(NSString *)plistName

{

    NSString *path = [self path:plistName];

    NSFileManager *fileManager = [NSFileManager defaultManager];

    NSMutableDictionary *data;

    if ([fileManager fileExistsAtPath: path]) {

        data = [[NSMutableDictionary alloc] initWithContentsOfFile:path];

    }

    else {

        // If the file doesn’t exist, create an empty dictionary

        data = [[NSMutableDictionary alloc] init];

    }

    NSMutableArray *pathArray = [[NSMutableArray alloc]init];

    [pathArray addObject:path];

    [pathArray addObject:data];

    return pathArray;

}

//Retrieve Plist file Programmatically

-(NSMutableDictionary *)Data:(NSString *)plistName

{

   NSString *path = [self path:plistName];

   NSMutableDictionary *savedStock = [[NSMutableDictionary alloc] initWithContentsOfFile:path];

   return savedStock;

}

@end

Store constants value in an iOS app

Constants.h

#define kFilterDate @"date"
#define kFilterRadius @"radius"
#define kFilterSort @"sort"

//Global Strings
#define kDividingString @" / "

//Strings
#define kTour @"Tour"

#define kToursKey @"tours"

Project_Prefix.pch

//
// Prefix header for all source files of the project
//

#ifdef __OBJC__
    #import <Foundation/Foundation.h>
    #import <UIKit/UIKit.h>
    #import "Constants.h"

#endif

(OR)

Define global constants:

Constants.h

extern NSString* const kAppBaseURL;

Constants.m

#import "Constants.h"

NSString* const kAppBaseURL = @"http://url.com/";



Project_Prefix.pch

//
// Prefix header for all source files of the project
//

#ifdef __OBJC__
    #import <Foundation/Foundation.h>
    #import <UIKit/UIKit.h>
    #import "Constants.h"

#endif

IOS - How to disable push notification at logout?

On logout:

[[UIApplication sharedApplication] unregisterForRemoteNotifications];

On login:

[[UIApplication sharedApplication] registerForRemoteNotificationTypes:
        (UIRemoteNotificationTypeBadge | UIRemoteNotificationTypeSound | UIRemoteNotificationTypeAlert)];

UITextView should detect links, but otherwise, should propagate touch to view below

.h

@interface LinkOnlyTextView : UITextView
@end

.m

@implementation LinkOnlyTextView

- (UIView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event
{
    NSUInteger glyphIndex = [self.layoutManager glyphIndexForPoint:point inTextContainer:self.textContainer fractionOfDistanceThroughGlyph:nullptr];
    NSUInteger characterIndex = [self.layoutManager characterIndexForGlyphAtIndex:glyphIndex];
    if ([self.textStorage attribute:NSLinkAttributeName atIndex:characterIndex effectiveRange:nullptr]) {
        return self;
    }
    return nil;
}

@end

NSURLConnection using NSObject

ServiceConnector.h

#import <Foundation/Foundation.h>

@protocol ServiceConnectorDelegate <NSObject>

-(void)requestReturnedData:(NSMutableData*)data;

-(void)requestReturnedError:(NSString*)error;

@end

@interface ServiceConnector : NSObject <NSURLConnectionDelegate,NSURLConnectionDataDelegate>

@property (strong,nonatomic) id <ServiceConnectorDelegate> delegate;

- (void)sendRequest:(NSString*)urlStr postValue:(NSString*)postStr;

@end

ServiceConnector.m

#import "ServiceConnector.h"

@implementation ServiceConnector{

    NSMutableData *receivedData;

}

- (void)sendRequest:(NSString*)urlStr postValue:(NSString*)postStr

{

    NSMutableString *post = [NSMutableString stringWithFormat:@"%@",postStr];

    

    NSData *postData = [post dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES];

    NSString *postLength = [NSString stringWithFormat:@"%lu", (unsigned long)[postData length]];

    NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"%@/%@",kBaseURL,urlStr]];

    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url

                                                           cachePolicy:NSURLRequestReloadIgnoringLocalCacheData

                                                       timeoutInterval:10.0];

    [request setHTTPMethod:@"POST"];

    [request setValue:postLength forHTTPHeaderField:@"Content-Length"];

    [request setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"];

    [request setHTTPBody:postData];

    

    NSURLConnection *connection = [[NSURLConnection alloc] initWithRequest:request delegate:self];

    

    if (connection) {

        receivedData = nil;

    }

}

#pragma mark - Data connection delegate -

- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response

{

    receivedData = [[NSMutableData alloc]init];

    

}

- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data

{

    [receivedData appendData:data];

    

}

- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error

{

    [self.delegate requestReturnedError:@"noInternet"];

}

-(void)connectionDidFinishLoading:(NSURLConnection *)connection{

    

    [self.delegate requestReturnedData:receivedData];//send the data to the delegate

}

@end

example:

#import "ServiceConnector.h"

@interface HomeViewController : UIViewController<ServiceConnectorDelegate>

- (void)viewDidLoad

{

    [super viewDidLoad];

ServiceConnector *serviceConnector = [[ServiceConnector alloc] init];

        serviceConnector.delegate = self;

        NSString *postValue = [NSString stringWithFormat:@"sUser_id=%@&simage_id=%@",[self.sUser_id description],deleteId];

        [serviceConnector sendRequest:@"url.php" postValue:postValue];
}

-(void)requestReturnedError:(NSString *)error{

      NSLog(@"No internet connection");

}

-(void)requestReturnedData:(NSMutableData *)data{ 
//activated when data is returned    

    id jsonObjects = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:nil];

}

Cache URL images iphone UITableview

ImageCache.h

#import <Foundation/Foundation.h>

@interface ImageCache : NSObject

@property (nonatomic, retain) NSCache *imgCache;

#pragma mark - Methods

+ (ImageCache*)sharedImageCache;

- (void) AddImage:(NSString *)imageURL img:(UIImage *)image;

- (UIImage*) GetImage:(NSString *)imageURL;
- (BOOL) DoesExist:(NSString *)imageURL;


@end

ImageCache.m

#import "ImageCache.h"

@implementation ImageCache

@synthesize imgCache;

#pragma mark - Methods

static ImageCache* sharedImageCache = nil;

+(ImageCache*)sharedImageCache
{
    @synchronized([ImageCache class])
    {
        if (!sharedImageCache)
            sharedImageCache= [[self alloc] init];

        return sharedImageCache;
    }

    return nil;
}

+(id)alloc
{
    @synchronized([ImageCache class])
    {
        NSAssert(sharedImageCache == nil, @"Attempted to allocate a second instance of a singleton.");
        sharedImageCache = [super alloc];

        return sharedImageCache;
    }

    return nil;
}

-(id)init 
{
    self = [super init];
    if (self != nil) 
    {
        imgCache = [[NSCache alloc] init];
    }

    return self;
}

- (void) AddImage:(NSString *)imageURL img:(UIImage *)image

{
    [imgCache setObject:image forKey:imageURL];
}

- (NSString*) GetImage:(NSString *)imageURL
{
    return [imgCache objectForKey:imageURL];
}

- (BOOL) DoesExist:(NSString *)imageURL
{
    if ([imgCache objectForKey:imageURL] == nil)
    {
        return false;
    }

    return true;
}


@end

Example

UIImage *image;

    // 1. Check the image cache to see if the image already exists. If so, then use it. If not, then download it.

    if ([[ImageCache sharedImageCache] DoesExist:imgUrl] == true)
    {
        image = [[ImageCache sharedImageCache] GetImage:imgUrl];
    }
    else
    {

        NSData *imageData = [[NSData alloc] initWithContentsOfURL: [NSURL URLWithString: imgUrl]];
        image = [[UIImage alloc] initWithData:imageData];

        // Add the image to the cache 
        [[ImageCache sharedImageCache] AddImage:imgUrl img:image];

(OR)

[NSURLConnection sendAsynchronousRequest:[NSURLRequest requestWithURL:[NSURL URLWithString: imgUrl]] queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *error) {

                UIImage *image = [UIImage imageWithData:data];

                [[ImageCache sharedImageCache] AddImage:imgUrl img:image];

            }];

    }