nsstring

I have app in which i have method which inserts comma in NSString in thousands values i also want to include decimall like if i enter now 1000 then it shows 1,000 using this method but i want 1,000.00 like this here is my method any idea how to fix this issue. - (NSString *)formatStringF:(NSString *)string { // Strip out the commas that may already be here: NSString *newString = [string stringByReplacingOccurrencesOfString:@"," withString:@""]; if ([newString length] == 0) { return nil; } // Check for illegal characters NSCharacterSet *disallowedCharacters = [[NSCharacterSet

今天五一国际劳动节，依然在正常上班，就分享一个知识点呗。在iOS开发过程中，App上线之后，进行版本更新的时候，需要及时提醒用户更新最新的App版本，那么就用到了版本更新提示框的使用。本章就来介绍一下App版本更新提示框的使用方法，各取所需，仅供参考。 一、根据第三方实现版本更新提示框的方法 根据第三方实现App版本更新提示框，进行了封装，然后直接将AppID作为参数传进去或者直接获取应用的bundleID来使用的，把工具类拖入到项目中，只需要Appdelegate文件里面一句代码就可集成实现的方法。原创的下载链接 https://github.com/emotality/ATAppUpdater 具体实现操作步骤如下所示： 1、AppUpdater.h文件： #import <UIKit/UIKit.h> #import <SystemConfiguration/SystemConfiguration.h> @interface AppUpdater : NSObject <UIAlertViewDelegate> + ( id )sharedUpdater; - ( void )showUpdateWithForce; - ( void )showUpdateWithConfirmation; - ( void )forceOpenNewAppVersion:( BOOL

i am converting image from picker into nsdata(jpeg representation) and then converting it into nsstring using the following code NSData *data=UIImageJPEGRepresentation(image,1.0); NSString *imageString=[[NSString alloc]initWithData:data encoding:NSUTF8StringEncoding]; [[NSUserDefaults standardUserDefaults] setObject:imageString forKey:@"image_name"]; and at the other end where i need to display the image the uiimage is formed as follows. NSString *imageString=[[NSString alloc] init]; imageString=[[NSUserDefaults standardUserDefaults] objectForKey:@"image_name"]; UIImage *image=[UIImage

I want a '$' Sign in the text field which cannot be erased. A user should be able to enter values after it and if he presses backspace it should only erase the value he entered. The reason I can't use UILabel before it is because the text in UITextfield is center aligned and it grows to either side as the user enters values. Please provide any solution Set the text field's text to "$" initially. Set the text field's delegate to some object of yours (probably the view controller containing it). Implement -textField:shouldChangeCharactersInRange:replacementString: and return NO if the proposed

I am facing one issue related some hexa value in string, i need to remove hexadecimal characters from NSString. The problem is when i print object it prints as "BLANK line". And in debug mode it shows like : So how can i remove it from the string? EDIT Triming whitespace : result of NSLog is : 2015-12-14 15:37:10.710 MyApp [2731:82236] tmp :'' Database: Earlier question: how to detect garbage string value in ios? As your dataset clearly has garbage values, You can use this method to check if your string is valid or not. Define your validation criteria and simply don't entertain the values

I have a complete URL, say http://www.mywebsite.com//Folder /Detals /Final Image /La Image Logo.jpg Here in this NSString, I only want to fetch La Image Logo.jpg How can I do so? Thanks [string lastPathComponent] should do the trick If it's about the filename in a URL you should definitely create an NSURL object and query that object for the desired information: NSURL *url = [NSURL URLWithString:@"http://www.mywebsite.com//Folder /Detals /Final Image /La Image Logo.jpg"]; NSString *filename = [url lastPathComponent]; NSURL is good at parsing URL strings. This way you're sure that you don't get