Numberformatter swift 4 not working short: The time is displayed in a short format, such as "0:10 AM". After filtering all non digits from your string you can format again your number using NumberFormatter as follow: Xcode 11. This solution removes any non-numeric characters before applying formatting. list() format type with an array of strings, you can get neatly formatted Ask questions, find answers and collaborate at work with Stack Overflow for Teams. However, @Berik claims that wouldn't work exactly for every possible Decimal This solution won't work in Swift 1. FormatStyle rather than NumberFormatter. maximumSignificantDigits = 4 formatter. decimal, I can use the zeroSymbol option and it seems to work, but I lose the currency formatting. I figured that using NumberFormatter is suggested for Android API 30+. Whenever I try to format the I want to show a number in my app, and to keep it pretty, display leading zeros to make the layout even. You just need to specify the decimalSeparator as follow: extension String { static let numberFormatter = NumberFormatter() var doubleValue: Double { String. In this video I will focu Here is the combined solution for formatting number and allowing number, dot,comma and dollar only. Plus it comes with stacks of benefits, including monthly live streams, downloadable projects, a 20% discount on all books, and more! I would like to format and display Double with the following rules:. This is what the textfield looks like: TextField("Phone Number", SwiftUI 5 TextField `. How does String substring work in Swift. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company The problem is that you are using a NumberFormatter with a numberStyle of currency to convert a string containing a regular number – "552" – which is not a currency string. 9880000000001. string(for:Any) is declared under Formatter not NumberFormatter – Leo Dabus. 66 in NSDecimalNumber. This is only the international ISO code and the number of decimals, as defined by ISO 4217. tempCelsius. Since iOS 17 I’m having issues using the NumberFormatter in my code. 0. usesSignificantDigits = true // I believe this the default so not required formatter. Also creation of NSDateFormatter is a bit expensive, it's best to reuse it. That does not work. 11. There is a numberFormatter. My personal preference can change depending on the situation (web vs mobile, one platform vs another, etc) in general however, I prefer to format text in the view layer when working with SwiftUI. 199999999999999) Swift NumberFormatter gives incorrect values with lots of extra zeros. I needed to add the appropriate engineering notations (K, M, B, T) as per Locale for English and European lanuages. Using NumberFormatter. TAKE YOUR SKILLS TO THE NEXT LEVEL If you like Hacking with Swift, you'll love Hacking with Swift+ – it's my premium service where you can learn advanced Swift and SwiftUI, functional programming, algorithms, and more. 3 (11C29) on macOS 10. 23556789 let y = Double(round(1000 * x) / Swift 3/4: var distanceFloat1: Float = 5. 411. For the former case, you wouldn't need to set formatter. Whether you’re just starting out, looking to land your first job, or aiming to become a lead developer, this program offers everything you need to level up – In Swift 4 you can do it like that: extension Double { func removeZerosFromEnd() -> String { let formatter = NumberFormatter() let number = NSNumber(value: self) formatter. import SwiftUI import Combine extension String { func toDouble() -> Double? { return NumberFormatter(). When your locale selects Argentina as its culture, then the currency symbol will be $, plus there will be a space between the $ and the number (as You should probably use NumberFormatter, since it supports parsing currency (like you are trying to do), and is easier and less likely to break than using a manual approach. 0 var distanceFloat2: Float = 5. Here is a small example: struct ContentView: View { @State var number1: Double? = 0 @State var number2: Double? = Description This bug is related to nil object returned when formatting using number formatter. This NumberFormatter = { let formatter = NumberFormatter() formatter. This worked for me. (This only happens with 4 digits) I found that for some strings the NumberFormatter produces incorrect results, as in the example below. 2. doubleValue } } struct Solution2: View In order to have that padding show up you'll need to provide a width to the formatter: let currencyFormatter: NumberFormatter = { let formatter = NumberFormatter() formatter. Modified 8 months ago. 4. Here's my take using a NumberFormatter in Swift 3. minimumFractionDigits = 4 let p = The ' flag seems unsupported in Swift 4+ - The result of the conversion shall be left-justified within the field. Result: 579. The first one is String(format:_:) with floating string format specifier %f. 57 Not working Texts: $1. round(self)) } } And use it like this if you like to have it in a textlabel: currentTemp. 0 still facing the same issue when using custom formatter in TextField. To As vadian said, NumberFormatter is highly customisable. leastNonzeroMagnitude, Int32. The current problem is receiving invalid product identifier via response. Is that a bug or did I miss something? let formatter = NumberFormatter() formatter. 000Z" let fmt = NSDateFormatter() fmt. For example, I need to display an integer with at least 2 digits (e. 00 instead of $0. locale = Locale(identifier: "pt_BR") formatter. The second approach is to not use any “black magic” and only use the native SwiftUI method to format the I am just starting to get to know Swift but I am having a serious problem with number formatting at an extremely basic level. How can I format currency depending on decimal value? 94. Commented Jul 6, 2023 at 21:20. number(from: self)?. The result is, naturally, 1. Apple states about it: Instances of NSNumberFormatter format the textual representation of cells that contain NSNumber objects and convert textual representations of numeric values into NSNumber objects. Whether you’re just starting out, looking to land your first job, or aiming to become a lead developer, this program offers everything you need to level up – NumberFormatter not working correctly. count != 0 in func productsRequest (_ request:SKProductsRequest, didReceive response:SKProductsResponse) . 2 with swift. Instances of NSNumber Formatter format the textual representation of cells that contain NSNumber objects and convert textual representations of numeric values into NSNumber objects. numberFormatter. truncatingRemainder(dividingBy: 1) == 0 ? This will not work if the float is something like 3. I believe the issue is related to the older NumberFormatter not supporting 64 bit unsigned integers. If I I have an app where I'm trying to format a Double with NumberFormetter but the output I'm getting does not match the output in other apps. 333,49 ios; swift; currency; numberformatter; Share. 6. string(from: number), not formatter. Converting String to Int with I am trying to get a text field that only accepts numbers but will also accept an empty value (ie. String format with %f . formatWidth = Updated to SWIFT 4 and the proper answer for the question If you want to round up to 2 decimal places you should multiply with 100 then round it off and then divide by 100 var x = 1. current let I'm attempting to format my Date() to look like Saturday, June 12th • 5PM - 12PM. number(from: string). It returns nil if the source phone number cannot be formatted according to assumptions. 4 ) the date formatter is not working. DateFormatter and NumberFormatter. decimal return formatter }() and add formatter in TextField: I stumbled on an issue related to NumberFormatter. currency any value entered is lost/destroyed. I don't know why these basic number operations are not implemented for these types. The representation encompasses integers, floats, and doubles; floats and doubles can be But it is not working as per expectation. I tried numberFormatter. current let valuesNumberFormatter = ChartValueFormatter(numberFormatter: numberFormatter) lineChartDataSet. negativeFormat = "0. 477854178281608e-06" // I have to convert this exponential value in Decimal /* Already tried the below-mentioned solution, but not working */ let numberFormatter = NumberFormatt I am using date formatter in xcode 6. 2 without casting the result to String. g. When i combine solution then only formatting works, number only solutions does not work. When we changed the device location to spain it returned all nil values and for other Using NumberFormatter. For that and to remove the complication everytime You can use Swift's round function to accomplish this. Behavior To navigate the symbols, press Up Arrow, Down Arrow, Left Arrow or Right Arrow let formatter: NumberFormatter = { let formatter = NumberFormatter() formatter. 2 and 8. When using these versions, you should check out and build swift-format from the release tag or branch that is compatible with the version of Swift you are using. Issues with setMaximumFractionDigits. paddingPosition = . Style. Note that Double cannot hold 44444444444444444. The Swift 4 solution accounts for the deprecation of CharacterView and Sting becoming a collection of characters as the CharacterView is. To In Swift 4 you can do it like that: extension Double { func removeZerosFromEnd() -> String { let formatter = NumberFormatter() let number = NSNumber(value: self) formatter. 00. Swift NumberFormatter gives incorrect values with lots of extra zeros [duplicate] Ask Question Asked 8 months ago. The value should represent a percent change and should look like this: 1. so, it does not enforce all the necessary newlines, indentation and so on that is part of the standard idiom for control structures in Swift. String(format: "from %-12f to %-12d. 00" but the let formatter = NumberFormatter() formatter. valueFont = @Rob The behavior I am expecting is that the text in the NSTextField will be formatted according to the NumberFormatter but retain its attributes. 45" fails if the locale's separator is not a period. locale) private var locale // body will be called if they change their currency. Using stringFromDate twice is more independent from the format. If you are using a XIB or Storyboard, double check that 'Clear when editing begins' is not checked' Also, I needed to set the variable to make this work: var maxCharactersLimit = 10 and in textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) NumberFormatter not working correctly. decimalSeparator = ". maximumFractionDigits = 16 //maximum digits in Double after dot (maximum precision) return String(formatter. swift file contents:. e. invalidProductIdentifiers. Apparently you already know about NumberFormatter – so where exactly is the problem? Did you check its various properties and methods to control the number of fractional digits and the thousands separator? – Between banking and crypto apps, it’s quite often we interact with currency inputs on daily basis. Is there are way to This pattern, of omitting the grouping separator when there are only four digits, is not uncommon for languages that use a space as the separator. Let’s see today how to create a localized currency TextField in SwiftUI. Modified 6 years, 1 month ago. import UIKit class IntegerField: UITextField { // returns the textfield contents, removes non digit characters and converts the result to an integer value var value: Int { string. maximumFractionDigits = 2 var amountWithPrefix = self let regex = try! Currency formatting not working. It differs from what I expect because the text in the NSTextField is formatted but loses it attributes (i. I had the same problem. 46% even if the value is negative -1. Also I am new to Swift, how do I get this currency to work out? func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool { let formatter = NumberFormatter() GO FURTHER, FASTER Unleash your full potential as a Swift developer with the all-new Swift Career Accelerator: the most comprehensive, career-transforming learning resource ever created for iOS development. 2. I am trying to format currency input in a textfield in Swift as the user inputs it. A Double or Float or any BinaryFloatingPoint type cannot have a value that is rounded to some (non-zero) number of decimal places in general, because almost all such Tested and Working for Swift 5. 300000000000001) Optional(8. let z = "2014-03-18T03:31:14. var date_formatter: DateFormatter { let formatter = DateFormatter() formatter. Learn Swift for C++ Developers. Follow edited Dec 2, 2020 at 13:48. Explore Teams Create a free Team. zeroSymbol = "" in the NumberFormatter, but when numberStyle = . 000,00 for instance, I manage to limit the characters that my user can type, but my currency isn't working. it is an optional field). NumberFormatter is focused on localised strings, which is why NumberFormatter. In Swift, extensions are a powerful tool for enhancing existing classes, but they come with a limitation: you can’t add stored properties Aug 10, 2024 Jessica Stillman Swift 4: extension CodeEnterViewController: UITextFieldDelegate { func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool { guard let normalText = textField. 5657676754 var y = (x*100). It is a nonspecific API that applies to any Formatter subclass, and the documentation says nothing about what it does when used on a NumberFormatter instance. 0 correctly, therefore you would probably get something like 44444444444444448 as output. 1 • Swift 3. How to iterate a loop with index and element in Swift. Swift follows the Unicode Technical Standard #35 (UTS #35) for date and time representation. No need to create a NSNumber object from your integer. hexadecimal value. I am following the tutorials at the bottom of the post. The representation encompasses integers, floats, and doubles; floats and doubles can be formatted to a specified decimal position. Btw returning a "magic" string is bad practice IMO. locale = Locale(identifier: "en_US"), the formatter will automatically convert everything to the imperial unit system, which in this case is pounds. Tested putting it into storyboard and it works. I needed this working properly so I dug into this a little bit more and found out that as of today, running Xcode 12, Swift 5. It seems to work just fine if I subclass from NumberFormatter. maximumFractionDigits = 2 return formatter } But when I The above code uses SwiftUI-Introspect to replace the delegate of the UITextField corresponding to the specified TextField behind it, which completes the activation of real-time formatting. If you want greater control over this, you need to use You should probably use NumberFormatter, since it supports parsing currency (like you are trying to do), and is easier and less likely to break than using a manual approach. Large decimal number formatting using NumberFormatter in Swift. Closed. Add a target for UIControlEvents . I'm building a calculator app and everything is working except the numberFormatter (to show comma separators) in the display. number` format does not work with decimal [closed] Ask Question Asked 1 year, 2 months ago. 2 You can use NumberFormatter() to convert your string to number. Collectives™ on Stack Overflow. Updated for Xcode 16. font, paragraph style, etc). I am sure everything is right, since I can make my purchase by hand and it works, I can also repurchase anything again with error, that I already have it and then item get activated, but Restore button is not working (restorePurchases()). 03 extension Float { var clean: String { return self. Here is the code I'm using let price:Double = 25 let currencyFormatter = NumberFormatter() currencyFormatter. 005), the output string contains the negative sign and hence becomes -$0. . 0f", data). 15 if that makes a difference. Does anyone know how to fix this? This is the second of two videos where I am go over two different foundation classes in Swift. Now available on Stack Overflow for Teams! AI features where you work: search, IDE, and chat. The major and minor version components of swift-format You can create a currency text field subclassing UITextField. Here is the obligatory "I'm new to programming" but, I've searched all available answers and have concluded that my issue may be more logic related than code, but I could be wrong about that too. roundToInt())" Or print it as an Int: Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I'm using a textField which is filled from a numerical pad. Afterwards you can use the currency style to convert the number back to a string. let formatter The following will do. Instead, let’s use Foundation’s NumberFormatter to solve our decimal problem. NumberFormatter return the wrong number. Find centralized, trusted content and collaborate around the technologies you use most. Style has no . init(_:radix::uppercase:) produces a non-localised string. I've been able to solve the majority of this with the following DateFormatter():. digits. integer ?? 0 } var maxValue: Int = 999_999_999 private var lastValue: Int = 0 override func willMove(toSuperview newSuperview: UIView?) { // adds a The problem in the code lies in the line exactly you mentioned: output = formatter. That bridging may not work for category methods, though; you could expose those to Swift by writing an extension on Decimal which casts self to NSDecimalNumber and then calls through to your Objective-C methods. NSNumberFormatter. NumberFormatter strange behavior. Hot Network Questions Can a hyphen be a "letter" in some words? There are a few ways to format a Float or a Double String in Swift. Explore Teams. Viewed 386 times -2 . It is working fine in the ios 8. 1. NumberFormatter Fraction Digits confusion (swift) Hot Network Questions 80-90s sci-fi movie in which scientists did something to make the world pitch-black because the ozone layer had depleted Overview. Hot I really liked your explanation. currency formatter. in Swift on input. numberStyle = . locale = NSLocale. usesGroupingSeparator = true currencyFormatter. In Swift 4 many of these API's renamed, so I'll share the Swift 2 code, as well as the updated Swift 4 code. Hot Please advise! I am attempting to test the in-app purchase for a sandbox user. 402. Here is my workgaround I found which looks legit and works correctly. 1(I tried in 8. 19 Sep 4 of 95 symbols inside -992127042 class func defaultFormatterBehavior() -> NumberFormatter. Teams. Optional(8. How to use currencyFormatter with a decimal. 1 but when I am testing my app in ios above 8. There are two ways to change this behaviour: A) If you want to use the metric system specify a locale for a country that uses it, such as Germany. Why does Swift NumberFormatter require a non-breaking space to work properly? I have a UITextField with a mask formatting my input to the BRL currency, so input 1700 from keyboard results in R$ 1. control-I does not reformat the code, it merely "balances" each line. let decimalNumber = The time is not displayed. Swift iOS - Convert currency formatted string to number. afterPrefix // pad with a space, use a minimum of seven characters formatter. 3f" sort of gobbledygook. In my case I was using number formatter with 2 fractions. The locale settings related to currency are of two kinds: Currency dependent: these are related to the monetary value and depend only on the currency and remain valid wherever you use that currency. Format currency with NumberFormatter replace default locale currency code. I stumbled on an issue related to NumberFormatter. string(for:) is a method on the abstract Formatter superclass. In contrast, String. Just play around its properties, like (you need to customise based on your needs): let numberFormatter = NumberFormatter() numberFormatter. This method runs every time the user modifies the text in any way (typing, deleting, pasting) and before the UI reflects the How to add a group separator on numbers (i. currencyCode = "EUR" Phone number formatting is not a quite easy task. How to store 1. doubleValue { // add more code in case the condition is true } else { // add more code in case the condition is false } When working with dates in Swift, it’s essential to understand the default date and time format. When using a NumberFormatter and setting numberStyle to . delegate to the viewController (self). Just change the return type to optional and return nil or simply force unwrap the result if it will never fail. Emre Önder Spelling out the fractional part of a monetary amount using a NumberFormatter in Swift. Now to the actual validation by implementing the textField(shouldChangeCharactersIn:) method. text = "\(weatherData. – ibesora. 3, the limit seems to be 36 decimal points. Below is the quick look of the sample. Therefore, I prefer it. Grams on the other hand belong to the metric system. valueFormatter = valuesNumberFormatter lineChartDataSet. negativeFormat, but I am unsure what the format should look like. rounded()/100 print(y) // 1. This article’s solution one is a specific implementation of this approach. However, interestingly enough, if you create a Decimal(string: "<enter 37 or more digits here>", it truncates to 36 the first 36 digits. Swift NumberFormatter just for thousand. extension Double { func format(_ pattern: String) -> String { let formatter = NumberFormatter let numberFormatter = NumberFormatter() numberFormatter. If you want greater control over this, you need to use The key take-away from the below answers is that the international currency symbol for Argentine Pesos is ARS, so any time your Locale does not select Argentina as its culture, that's going to be the symbol. It the input string uses a fixed format with a period as decimal separator then you can set the formatter's locale to "en_US_POSIX" for the conversion from a string to a number. Ask Question Asked 6 years, 10 months ago. " I ran your code and did not have those issues. 700,00 text, but since I need this value as The NumberFormatter does not fit when you just want a rounded Double or Float again as the output. Swift - NumberFormatter Number from string returns nil for iPhone 8 but works for other device. Improve this question. Not working Texts: $1. numberStyle can be set to a value of NumberFormatter. Swift 3 & 4. You can use Formatter's method string(for: Any) instead. decimal formatter. More in Swift. (confusingly, Xcode has the ability to automatically format your Swift as you type, but there's no button to "fix" batches of it later!) Here we add the UITextFieldDelegate protocol to our class and set the moneyTextField. Similar solutions How to format dates with an ordinal suffix using NumberFormatter's ordinalStyle; How to style text views with fonts, colors, line spacing, and more; How to position and style subviews that come from a different view I have tried converting it to Swift but it is not working. paddingCharacter = " " formatter. 0 and earlier depend on versions of SwiftSyntax that used a standalone parsing library distributed as part of the Swift toolchain. 540 var distanceFloat3: Float = 5. Note that I used stringFromDate twice with different format strings, instead of splitting the formatted date as you wanted. Swift- NumberFormatter. Looks like the formatter is not adding the thousand grouping separator on the first case, which I am not sure why. Commented Apr 10, but sometimes a pattern is more appropriate than the "%. editingChanged. maximumFractionDigits = 3 Here the explanation for NumberFormatter's I want my textField to show 5. If you change your string to "1,001" you will see that the There's actually much easier solution (there is no need to create NumberFormatter instance) and it takes into account the user's language: let result = String(format: "%ld %@", 4. 459 $2. 3. extension Double { func format(_ pattern: String) -> String { let formatter = NumberFormatter I like to use TextField's new format: API, e. let balance = "2. To get correct results you should use NSDecimalNumber, like this:. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company string(for:) is a method on the abstract Formatter superclass. 52 you may need to divide let formatter = NumberFormatter() formatter. ", Double. 01. minimumFractionDigits = 0 formatter. The code you posted does not seem to work for me. string(from: number) ?? swift-format versions 0. Note that this will create a new NumberFormatter every time this function is called. You have to use the decimal style to convert the string to a number. Swift iOS - Convert NumberFormatter not working correctly. Trouble is that, with lot of local region formats (all european, for example), UITextField's numerical pad has comma instead dot, so everytime I write a decimal number, UITextField can't recognise the decimal comma and it round number; for example 23,07 become 23. Euro errors with NumberFormatter and Currency Strings. The code I am using: NSNumberFormatter *f = [[NSNumberFormatter alloc] init]; f. string(from:) is actually mentioned in the NumberFormatter documentation, and what it does is actually documented. However, this is available only in iOS 15, so for iOS 14 and 13 support please see the formatter parameter below. The error also appears for other strings. decimal in order to set the formatter's style to decimal. If you use the . Ask Question Asked 6 years In short. Add a selector method to filter the digits from your textfield string. number for currency format not working in Device but works in simulator. Swift 4. The default format is based on the ISO 8601 standard , which provides a clear and unambiguous way to represent dates and times. dateFormat = "EEEE, MMMM d • HHa - var currencyFormatter: NumberFormatter { let formatter = NumberFormatter() formatter. max) + The result of a signed conversion shall always begin with a sign ( '+' or '-' ). As Exceptions to digit grouping says: The International Bureau of Weights and Measures states that “when there are only four digits before or after the decimal marker, it is customary not to use a I am trying to use NumberFormatter with Swift 3 Decimal, but I'm confused as to how Decimal is really being implemented. NumberFormatter function not working correctly with German Locale. – chengsam. 5 • Swift 5. Ask questions, find answers and collaborate at work with Stack Overflow for Teams. struct ContentView: View { @State var amount: Decimal = 0 // always use Decimal for money @Environment(\. let x = 1. If I change the number style to . currency, the formatter rounds all numbers to 2 decimal places, as expected. 2 or later The question asks how to convert a Decimal to a String, not how to convert a String to a Decimal. I've seen suggestions on the Internet to set the formatter. With Swift 5, NumberFormatter has an instance property called minimumFractionDigits. If there are more than 2 fractional digits, display it as 6 significant figures, otherwise just display its original value with a minimum of 2 fractional digits. text else { return false } let beginning = textField. How to format a Double into Currency - Swift 3. generatesDecimalNumbers to true and you'd call formatter. I read the documentation and this appears to be the right way to do this. Related. An even easier approach to format your Doubles without scientific notation would be to use String(format: "%. // check dict["dummy"] is a String first if let receivedData = (dict["dummy"]). Viewed 81 times generatesDecimalNumbers for NumberFormatter does not work. So, for example, if you want to parse currency, using the current user's locale, you would use: func priceToDouble(price: String) -> Double? { let currencyFormatter = NumberFormatter() SwiftUI 3. For example 000 500 / 500 000 001 000 / 500 000 100 350 / 500 000 I get the first numbe The decimal separator is locale-dependent, therefore parsing "1234. Swift make it simple and deal with all the You are taking a string of "1,000" and using NumberFormatter to convert it to a number. So far, I can only format it successfully when the user finishes inputting: @IBAction func editingEnded(sender: Previous ID SR-14286 Radar rdar://problem/74876581 Original Reporter telcy (JIRA User) Type Bug Additional Detail from JIRA Votes 0 Component/s Foundation Labels Bug Assignee None Priority Medium m IntegerField. The question asks how to convert a Decimal to a String, not how to convert a String to a Decimal. Sometimes it's returning like. To round a Double with 3 digits precision, first multiply it by 1000, round it and divide the rounded result by 1000:. However, for small negative numbers, whose value rounded to 2 decimal places is 0 (number >= -0. medium: The time is displayed in a medium format, such as "0:10:00 AM". I have tried adding setting the groupingSize to 3 without success. Therefore, in the simplest case when you want to format a number with decimal style, you can use the following Playground code: #3. SwiftUI’s text views are capable of showing dates, arrays, measurements and more, all through their format parameter. Hot Network Questions How to return multiple columns from one function inside `mutate` and allow me to name the output columns? Because of formatter. 12345678901234567890 even though Decimal can represent that exact value. ; Cultural settings: these depend on the usages and I believe that I'm getting the tableviewcell from the tableview by its identifier and not creating a new one, so that should have its textfield along with it. 1. dateFormat = I would like to convert a negative value into a positive one using NumberFormatter. 0. This is the type of date I am getting In string format 10-08-2015T13:59:53+0000. I'm using Xcode 11. currencyCode = "EUR" My personal preference can change depending on the situation (web vs mobile, one platform vs another, etc) in general however, I prefer to format text in the view layer when working with SwiftUI. Commented Jun 26, 2017 at 4:03. locale = Locale. Note the Module matches the project "Tester2" so it's picking up the correct class. NumberFormatter not working correctly. For In Swift, you can use IntegerFormatStyle, FloatingPointFormatStyle, or Decimal. The “tricky” part here is that we need to convert the String to a NSNumber in order to use the string() method of the NumberFormatter type. I do have 38 IAP in this app, but I am not sure if that is related in any way, and they all are Non-Consumable. string(from: NSNumber(value: Double(lengthTextFieldValue)! * 12)) update: Xcode 8. IOS SWIFT 4 convert String to Decimal with Locale. Just like how a DateFormatter can be used to format Date values in There might be some other ways to solve this, but the one that I found the easiest is by using the NumberFormatter Type. decimal numberFormatter. minimumFractionDigits has the Just a quick note about the big picture here: The new number formatting facilities are conceptually a wrapper around the existing NumberFormatter class. Better to use this Google libphonenumber library for phone number formatting which will even separate the area code from full phone number. Does any one faces similar problem. When I set the positivePrefix to the plusSign, the currency symbol is no longer there. minimumSignificantDigits = 4 formatter. 969. Foundation provides NumberFormatter. numberStyle = NSNumberFormatterDecimalStyle; NSNumber *myNumber = [f numberFromString:@"42222222222"]; and in Swift I am using it in this way: var i = NSNumberFormatter *numberFormatter = [[NSNumberFormatter alloc] init]; [numberFormatter setNumberStyle: NSNumberFormatterCurrencyStyle]; NSString *numberAsString = [numberFormatter stringFromNumber:[NSNumber numberWithFloat:currency]]; From your requirements to treat 52 as . 2 or later So at the present time, there is no way to make Swift accurately produce localized, decimal numbers with more than about 17 digits of precision. maximumFractionDigits = 8 return formatter }() I want to let formatter to receive fractions like 1/3, 1/10, 5/115 Sponsor Hacking with Swift and reach the world's largest Swift community! Available from iOS 2. 46. NumberFormatter Fraction Digits confusion (swift) 0. If creating a localized UITextField can already be tricky in UIKit, I was wondering how hard it would be to do a similar one in SwiftUI. The conversion is right-justified if this flag is not specified. Avoiding non breaking space using NumberFormatter. The FormatStyle API offers a declarative idiom for customizing NSNumberFormatter Is Now NumberFormatter in Swift 4. GO FURTHER, FASTER Unleash your full potential as a Swift developer with the all-new Swift Career Accelerator: the most comprehensive, career-transforming learning resource ever created for iOS development. NumberFormatter cannot produce, for example, the String 1,234,567,890. beginningOfDocument // save cursor location let cursorLocation = This code also will not work if the user pastes text into the text field. Updated in iOS 15. maximumFractionDigits = 4 formatter. NumberFormatter in xcode 11. currency currencyFormatter. 50700. Modified 1 year, 2 months ago. Improving Naishta's response in Swift 4, here is a snippet that allows you to restrict the textfield Allowed charachters include decimal digits and the separator determined by number foramtter's (current) locale let numberFormatter = NumberFormatter Swift - 使用NumberFormatter进行数字格式化显示(附样例) 1,将数字转成字符串 (1)最简单的便是使用 NumberFormatter 的 localizedString 方法进行数字格式化: Remove all numbers before the period in a Double with NumberFormatter not working - Swift. Plus it comes with stacks of benefits, including monthly live streams, downloadable projects, a 20% discount on all books, and more! Just a quick note about the big picture here: The new number formatting facilities are conceptually a wrapper around the existing NumberFormatter class. Library is available in swift too. 000 or 1 000 000) by using NumberFormatter In Swift 4 if you like to modify and use a Double in the UI as a textLabel "String" you can add this in the end of your file: extension Double { func roundToInt() -> Int{ return Int(Darwin. By using DateFormatter, Date, Calendar, and DateComponents you can parse, format, and work with date components in Swift. What about negative numbers NumberFormatter has a property called numberStyle. sbdro jxp siye mgclhf mnjx gwb iodlph jsx ogkvy sdzf