NativeScript Resources and Info

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Other NativeScript plugin sources:

nativescript-localize

This is a plugin for NativeScript that implements internationalization (i18n) using the native capabilities of each platform. It is inspired from nativescript-i18n

Installation

tns plugin add nativescript-localize

Usage

Create a folder i18n in the app folder with the following structure:

app
  | i18n
      | en.json           <-- english language
      | fr.default.json   <-- french language (default)
 Â  Â   | es.js

You need to set the default langage and make sure it contains the application name to avoid any error.

Angular

app.module.ts

import { NgModule, NO_ERRORS_SCHEMA } from "@angular/core";
import { NativeScriptLocalizeModule } from "nativescript-localize/angular";
import { NativeScriptModule } from "nativescript-angular/nativescript.module";

import { AppComponent } from "./app.component";

@NgModule({
  declarations: [AppComponent],
  bootstrap: [AppComponent],
  imports: [
    NativeScriptModule,
    NativeScriptLocalizeModule
  ],
  schemas: [NO_ERRORS_SCHEMA]
})
export class AppModule { }

Template

<Label text="{{ 'Hello world !' | L }}"></Label>
<Label text="{{ 'I am %s' | L:'user name' }}"></Label>

Script

import { localize } from "nativescript-localize";

console.log(localize("Hello world !"));

Javascript

app.js

const application = require("application");
const localize = require("nativescript-localize");
application.setResources({ L: localize });

Template

<Label text="{{ L('Hello world !') }}"></Label>
<Label text="{{ L('I am %s', 'user name') }}"></Label>

Script

const localize = require("nativescript-localize");

console.log(localize("Hello world !"));

File format

Each file is imported using require, use the file format of your choice:

JSON

{
  "app.name": "My app",
  "ios.info.plist": {
    "NSLocationWhenInUseUsageDescription": "This will be added to InfoPlist.strings"
  },
  "user": {
    "name": "user.name",
    "email": "user.email"
  },
  "array": [
    "split the translation into ",
    "multiples lines"
  ],
  "sprintf": "format me %s",
  "sprintf with numbered placeholders": "format me %2$s one more time %1$s"
}

Javascript

const i18n = {
  "app.name": "My app"
};

module.exports = i18n;

Frequently asked questions

How to set the default language?

Add the .default extension to the default language file to set it as the fallback language:

fr.default.json

How to localize the application name?

The app.name key is used to localize the application name:

{
  "app.name": "My app"
}

How to localize iOS properties?

Keys starting with ios.info.plist. are used to localize iOS properties:

{
  "ios.info.plist.NSLocationWhenInUseUsageDescription": "This will be added to InfoPlist.strings"
}

How to change the language dynamically at runtime?

This plugin uses the native capabilities of each platform, language selection is therefore made by the OS. There is no plan to implement this feature in the near future.