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Symbian Localization

Lingobit Localizer is very effective tool for Symbian localization. It allows you to localize .RLS files with minimum effort. If you change your application after translation is finished, Localizer will merge old translations into the new files, so only new and updated strings will require translation.

In the article below we'll explain how to localize Symbian application. You can also check Symbian localization sample that is provided with Lingobit Localizer.

How to prepare for symbian localization

Symbian localization should be done before compiling the source files. You need to translate .RLS and .LOC files, add new languages into the project and then compile it.

First you need to prepare your application for localization. All localizable strings from your source code should be placed into RSS resource files. Strings that are part of a resource (such as prompts in a dialog line, and such), are in the RSS file anyway. For example, string from code

dialog->SetPromptL(_L("Please input Name"));

should be changed to

HBufC* prompt = iEikonEnv->AllocReadResourceLC(r_please_input_name);

new line should be added into .RSS file.

RESOURCE TBUF r_please_input_name { buf = qtn_please_input_name;}

and one line into .RLS file

#define qtn_please_input_name "Please input Name"

After it you need to set what languages you are going to localize your Symbian application to. You can do it at project .MMP file by adding the following string.

LANG SC 01 02 03 04

SC - is default language, 01 - is English, 02 - French, 03- German, 04 - Spanish. You can find full language table at TLanguage enum that can be found in e32const.h.

How localize Symbian application

Now your Symbian application is ready for localization. Start Lingobit Localizer and create new project. Add all .RLS and .LOC with original strings into the project. After it translate strings, you can use Tools>Translate Using>Google Translator to do it automatically.

Extract hardcoded strings

After it click Create Localized command and select all languages. Localized .RLS file will be created for each language.


After it compile your multilingual application. It will select language appropriate for user settings.


You can find a sample of localized Symbian application at Lingobit Localizer startup page. It is called "Symbian sample". You can also find it at Shared Documents\Lingobit Localizer ..\Samples\Symbian.

"Symbian_Sample_.rls" file contains all localizable strings from the project. Symbian_Sample.mmp defines the languages for localization

LANG SC 01 02 03 04

Open Symbian_Sample.loc Lingobit project and click Create Localized files command. Select all languages to be localized. Translated symbian .RLS files will be placed into Symbian_Sample_01.rls, Symbian_Sample_02.rls, and etc files. After it run make.cmd to compile the sample. Executable file will be placed into ...\S60_3rd_FP2_SDK_v1.1\epoc32\release\winscw\udeb\Symbian_Sample.exe