Updated on 2026-08-14

app/build.gradle.kts

@@ -88,7 +88,6 @@ dependencies {
     implementation(projects.data.card)
     implementation(projects.data.common)
     implementation(projects.data.settings)
-    implementation(projects.data.source.preferences)
     implementation(projects.data.tokens)
     implementation(projects.data.txhistory)
     implementation(projects.data.wallets)

app/src/main/java/com/tangem/tap/TapApplication.kt

@@ -16,7 +16,6 @@ import com.tangem.blockchainsdk.BlockchainSDKFactory
 import com.tangem.core.analytics.Analytics
 import com.tangem.core.analytics.filter.OneTimeEventFilter
 import com.tangem.core.featuretoggle.manager.FeatureTogglesManager
-import com.tangem.data.source.preferences.PreferencesDataSource
 import com.tangem.datasource.api.common.MoshiConverter
 import com.tangem.datasource.api.common.createNetworkLoggingInterceptor
 import com.tangem.datasource.asset.AssetReader
@@ -80,7 +79,6 @@ lateinit var store: Store<AppState>
 
 lateinit var foregroundActivityObserver: ForegroundActivityObserver
 lateinit var activityResultCaller: ActivityResultCaller
-lateinit var preferencesStorage: PreferencesDataSource
 lateinit var walletConnectRepository: WalletConnectRepository
 internal lateinit var derivationsFinder: DerivationsFinder
 
@@ -106,9 +104,6 @@ internal class TapApplication : Application(), ImageLoaderFactory {
     @Inject
     lateinit var customTokenFeatureToggles: CustomTokenFeatureToggles
 
-    @Inject
-    lateinit var preferencesDataSource: PreferencesDataSource
-
     @Inject
     lateinit var walletConnect2Repository: WalletConnect2Repository
 
@@ -202,7 +197,6 @@ internal class TapApplication : Application(), ImageLoaderFactory {
         activityResultCaller = foregroundActivityObserver
         registerActivityLifecycleCallbacks(foregroundActivityObserver.callbacks)
 
-        preferencesStorage = preferencesDataSource
         walletConnectRepository = WalletConnectRepository(this)
 
         // TODO: Try to performance and user experience.

app/src/main/java/com/tangem/tap/di/domain/SettingsDomainModule.kt

@@ -148,4 +148,12 @@ internal object SettingsDomainModule {
     ): SetSaveWalletScreenShownUseCase {
         return SetSaveWalletScreenShownUseCase(settingsRepository = settingsRepository)
     }
+
+    @Provides
+    @ViewModelScoped
+    fun provideIncrementAppLaunchCounterUseCase(
+        settingsRepository: SettingsRepository,
+    ): IncrementAppLaunchCounterUseCase {
+        return IncrementAppLaunchCounterUseCase(settingsRepository = settingsRepository)
+    }
 }

app/src/main/java/com/tangem/tap/features/main/MainViewModel.kt

@@ -11,6 +11,7 @@ import com.tangem.domain.balancehiding.GetBalanceHidingSettingsUseCase
 import com.tangem.domain.balancehiding.ListenToFlipsUseCase
 import com.tangem.domain.balancehiding.UpdateBalanceHidingSettingsUseCase
 import com.tangem.domain.settings.DeleteDeprecatedLogsUseCase
+import com.tangem.domain.settings.IncrementAppLaunchCounterUseCase
 import com.tangem.tap.features.main.model.MainScreenState
 import com.tangem.utils.coroutines.CoroutineDispatcherProvider
 import dagger.hilt.android.lifecycle.HiltViewModel
@@ -26,6 +27,7 @@ internal class MainViewModel @Inject constructor(
     private val reduxNavController: ReduxNavController,
     private val fetchAppCurrenciesUseCase: FetchAppCurrenciesUseCase,
     private val deleteDeprecatedLogsUseCase: DeleteDeprecatedLogsUseCase,
+    private val incrementAppLaunchCounterUseCase: IncrementAppLaunchCounterUseCase,
     private val dispatchers: CoroutineDispatcherProvider,
     getBalanceHidingSettingsUseCase: GetBalanceHidingSettingsUseCase,
 ) : ViewModel(), MainIntents {
@@ -40,6 +42,8 @@ internal class MainViewModel @Inject constructor(
     val state: StateFlow<MainScreenState> = stateHolder.stateFlow
 
     init {
+        viewModelScope.launch(dispatchers.main) { incrementAppLaunchCounterUseCase() }
+
         updateAppCurrencies()
         observeFlips()
         displayBalancesHidingStatusToast()

data/card/build.gradle.kts

@@ -26,8 +26,6 @@ dependencies {
     implementation(projects.core.datasource)
     implementation(projects.core.utils)
 
-    implementation(projects.data.source.preferences)
-
     implementation(projects.domain.card)
     implementation(projects.domain.models)
 }

data/settings/build.gradle.kts

@@ -15,8 +15,6 @@ dependencies {
     implementation(projects.core.datasource)
     implementation(projects.core.utils)
 
-    implementation(projects.data.source.preferences)
-
     implementation(projects.domain.balanceHiding.models)
     implementation(projects.domain.settings)
 

data/settings/src/main/java/com/tangem/data/settings/DefaultSettingsRepository.kt

@@ -104,4 +104,11 @@ internal class DefaultSettingsRepository(
     override suspend fun setShouldSaveAccessCodes(value: Boolean) {
         appPreferencesStore.store(key = PreferencesKeys.SHOULD_SAVE_ACCESS_CODES_KEY, value = value)
     }
+
+    override suspend fun incrementAppLaunchCounter() {
+        appPreferencesStore.editData { preferences ->
+            val count = preferences.getOrDefault(key = PreferencesKeys.APP_LAUNCH_COUNT_KEY, default = 0)
+            preferences[PreferencesKeys.APP_LAUNCH_COUNT_KEY] = count + 1
+        }
+    }
 }

data/source/preferences/.gitignore

@@ -1 +0,0 @@
-/build

data/source/preferences/build.gradle.kts

@@ -1,21 +0,0 @@
-plugins {
-    alias(deps.plugins.kotlin.android)
-    alias(deps.plugins.kotlin.kapt)
-    alias(deps.plugins.android.library)
-    id("configuration")
-}
-
-android {
-    namespace = "com.tangem.data.source.preferences"
-}
-
-dependencies {
-    implementation(deps.androidx.core.ktx)
-    implementation(deps.moshi)
-    implementation(deps.moshi.kotlin)
-    implementation(deps.hilt.android)
-    kapt(deps.hilt.kapt)
-
-    // For MoshiJsonConverter
-    implementation(deps.tangem.card.core)
-}

data/source/preferences/src/main/kotlin/com/tangem/data/source/preferences/PreferencesDataSource.kt

@@ -1,29 +0,0 @@
-package com.tangem.data.source.preferences
-
-import android.content.Context
-import android.content.SharedPreferences
-import androidx.core.content.edit
-import javax.inject.Inject
-
-// 🔥FIXME: Only logic to work with preferences must be here, must be separated to repositories
-// TODO: Replace shared preferences with DataStore
-@Deprecated("Create repository instead")
-class PreferencesDataSource @Inject internal constructor(applicationContext: Context) {
-
-    private val preferences: SharedPreferences =
-        applicationContext.getSharedPreferences(PREFERENCES_NAME, Context.MODE_PRIVATE)
-
-    init {
-        incrementLaunchCounter()
-    }
-
-    private fun incrementLaunchCounter() {
-        var count = preferences.getInt(APP_LAUNCH_COUNT_KEY, 0)
-        preferences.edit { putInt(APP_LAUNCH_COUNT_KEY, ++count) }
-    }
-
-    companion object {
-        private const val PREFERENCES_NAME = "tapPrefs"
-        private const val APP_LAUNCH_COUNT_KEY = "launchCount"
-    }
-}

data/source/preferences/src/main/kotlin/com/tangem/data/source/preferences/adapters/BigDecimalAdapter.kt

@@ -1,13 +0,0 @@
-package com.tangem.data.source.preferences.adapters
-
-import com.squareup.moshi.FromJson
-import com.squareup.moshi.ToJson
-import java.math.BigDecimal
-
-class BigDecimalAdapter {
-    @FromJson
-    fun fromJson(value: String) = BigDecimal(value)
-
-    @ToJson
-    fun toJson(value: BigDecimal) = value.toString()
-}

data/source/preferences/src/main/kotlin/com/tangem/data/source/preferences/di/PreferencesStoreModule.kt

@@ -1,19 +0,0 @@
-package com.tangem.data.source.preferences.di
-
-import android.content.Context
-import com.tangem.data.source.preferences.PreferencesDataSource
-import dagger.Module
-import dagger.Provides
-import dagger.hilt.InstallIn
-import dagger.hilt.android.qualifiers.ApplicationContext
-import dagger.hilt.components.SingletonComponent
-import javax.inject.Singleton
-
-@Module
-@InstallIn(SingletonComponent::class)
-internal object PreferencesStoreModule {
-
-    @Provides
-    @Singleton
-    fun providePreferencesStore(@ApplicationContext context: Context) = PreferencesDataSource(context)
-}

data/source/preferences/src/main/kotlin/com/tangem/data/source/preferences/storage/Migration.kt

@@ -1,5 +0,0 @@
-package com.tangem.data.source.preferences.storage
-
-internal interface Migration {
-    fun migrate()
-}

domain/settings/src/main/java/com/tangem/domain/settings/IncrementAppLaunchCounterUseCase.kt

@@ -0,0 +1,13 @@
+package com.tangem.domain.settings
+
+import arrow.core.Either
+import com.tangem.domain.settings.repositories.SettingsRepository
+
+class IncrementAppLaunchCounterUseCase(
+    private val settingsRepository: SettingsRepository,
+) {
+
+    suspend operator fun invoke(): Either<Throwable, Unit> {
+        return Either.catch { settingsRepository.incrementAppLaunchCounter() }
+    }
+}

domain/settings/src/main/java/com/tangem/domain/settings/repositories/SettingsRepository.kt

@@ -31,4 +31,6 @@ interface SettingsRepository {
     suspend fun shouldSaveAccessCodes(): Boolean
 
     suspend fun setShouldSaveAccessCodes(value: Boolean)
+
+    suspend fun incrementAppLaunchCounter()
 }

settings.gradle.kts

@@ -151,7 +151,6 @@ include(":data:balance-hiding")
 include(":data:common")
 include(":data:card")
 include(":data:tokens")
-include(":data:source:preferences")
 include(":data:settings")
 include(":data:txhistory")
 include(":data:wallets")