Android multi-module: How to get the title of a 'game' in the database?

Question

I am building a multimodule gameapp with Compose and Koin dependency injection. Every module manages its own screens and navigation. The structure is this:

etc.

There are multiple gamemodes, each implemented as a seperate module. MeaningGame and Completiongame are examples of those. Each gamemodule has to implement an interface so it can be registered in the list of games.

GameApi:

interface GameApi {

    fun registerGame(
        navGraphBuilder: NavGraphBuilder,
        navController: NavHostController,
        modifier: Modifier = Modifier
    )

    fun gameRoute():GameRoutes

    fun title(): Int

    fun id():Int
}

The gameRoute() returns the route to navigate to the game, the id() the unique id of the game. This id is used to store the score of the game on a server, show a list of highscores (retrieved from the server) etc. And the title() returns the resource-identifier from R.string.title. This resource file is contained in the module.

The problem is this. In the highscore module I want to show the title of the game in the language of the user. So if an American watches the highscores, he sees the title in English, but a German would see the German variant, a Frenchman the French variant and so on.

How can I access the resource from a gamemodule in the highscore module?

I tried to build a function in the gameApi Interface to register the string in a local database (which would be in the core: module) but I am unsuccesfull as I do not have access to the Context in the gameApi implementation, so stringResource does not work and context.resources.getString(..) also does not work.

Does anyone has an idea?

Yohanes · Accepted Answer · 2024-08-08 15:18:50Z

0

So usually i would define the string resource with other localization

you can see more in this documentation String Localization.Then i would modify the title with parameter Locale, Then if you can't access the Context for some reason, give the context responsible to other's using dependency injection usually i use koin but you can use other thing.

for example

interface GameApi {

    fun registerGame(
        navGraphBuilder: NavGraphBuilder,
        navController: NavHostController,
        modifier: Modifier = Modifier
    )

    fun gameRoute():GameRoutes

    //return string, so we don't need to care what id need to be used
    fun title(locale: Locale): String

    fun id():Int
}
//the impl
class HighscoreGameApi(context: Context) : GameApi{

   private val applicationContext = context.applicationContext
   //other code

   override fun title(locale: Locale): String {
      val config = applicationContext.resources.configuration
      config.setLocale(locale)
      val localizedResource = applicationContext.createConfigurationContext(config).resources
      return localizedResource.getString(R.string.the_title_text)
   }
}
//injection
//im using koin, this is just registering the module
//not the full implementation of koin injection, see more
//https://insert-koin.io/docs/reference/koin-android
val gameModules = modules {
   single {
      HighscoreGameApi(androidContext())
   }
}

Hope this helpful

answered Aug 8, 2024 at 15:18

Yohanes

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1 Comment

KvdLingen Over a year ago

I use Koin also, so inserting the context was enough. I check out the locale if needed. For now I do not understand where the locale is coming from in de title function.

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