Language files are located in the www > languages folder. You can find there are folders for each language currently available in the mobile app. The language folder should be named following ISO 639-1 language code, dash, ISO country code. Ex, en-US. See the complete list of language codes and complete list of country codes. Within the folder you have a set of json files containing key value pairs. Key represents the label name used in the app UI and value is the localized language string.

We used an angular i18n library available on github to implement the internationalization. Refer for more information.

Note: Language strings can not contain HTML tags, they are supposed to be clear strings. However, you can have variables in the string (see bellow).

Create a new language pack

In this example, lets assume you are translating the app UI into Italian. Our language pack name will be it-IT.

  1. Create a new folder, it-IT in languages folder
  2. We can use a reference language pack, so copy the content of en-US folder into the it-IT folder.
  3. Right click on the cart.lang.json and open it with any text editor. (ex, notepad, notepad++) File contains a json data structure with following format,{ 'key' : 'value'}Note: You can use translation softwares like POEditor for the translation process. Data needs to be exported back to json format and expected to be in same format as above.
  4. Translate the English content into Italian. Note that you have to make sure the key is unchanged while you do translations. You might notice that some language strings contains curly braces. These are used to mark variableswithin the string. You must not change any word appear inside curly braces. See the following example,English"registered_main": "Hi {firstname}, you are now registered!",French"registered_main": "Salut {firstname}, vous êtes maintenant inscrit!",
  5. Do the translation to all the language files.

Loading the language to app

After creating the language pack, that needs to be loaded to the UI. Language switch is located in the info tab of the app.

  1. Go to variables.js
  2. There should be a constant with json array having the key LANGUAGES. Add following entry to the json array, { name: "Italian", language_id: "it-IT" },
  3. Open app.js and edit localeSupported and localeFallbacks values
  4.  localeSupported - list of languages currently supported localeFallbacks - fallbacks when a particular language is present but not for the region from which the app is being opened (e.g. en-GB will use en-US)
  5. If your language needs RTL layout, add the two character language code into RTL_LANGUAGES constant array of the variables.js Ex .constant('RTL_LANGUAGES', ['ar']) will notify the i18service to change the layout to RTL when ar is selected as the language

Language switch

Language switch is an Angular directive to render the language selector. It is defined in the www/app/common/widgets folder. To render the language dropdown, you can place following code in any template HTML file,


By default the language switch is placed in home page of the info module

RTL – Right to Left Language Layout

By default i2CSMobile app is RTL supported. All you need to do is to add RTL layout needed language code to the RTL_LANGUAGES constant array which is defined in the variables.js.

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