Updated on 2026-08-14

app/src/main/java/com/tangem/App.kt

@@ -0,0 +1,81 @@
+package com.tangem
+
+import android.app.Application
+import androidx.appcompat.app.AppCompatDelegate
+import com.google.gson.Gson
+import com.google.gson.reflect.TypeToken
+import com.tangem.di.DaggerNavigatorComponent
+import com.tangem.di.DaggerNetworkComponent
+import com.tangem.di.NavigatorComponent
+import com.tangem.di.NetworkComponent
+import com.tangem.tangemcard.android.data.Firmwares
+import com.tangem.tangemcard.android.data.PINStorage
+import com.tangem.tangemcard.data.Issuer
+import com.tangem.tangemcard.data.external.FirmwaresDigestsProvider
+import com.tangem.tangemcard.data.external.PINsProvider
+import com.tangem.tangemserver.android.data.LocalStorage
+import java.io.InputStreamReader
+import java.nio.charset.StandardCharsets
+
+class App : Application() {
+    companion object {
+        @get:Synchronized
+        var instance: App? = null
+            private set
+
+        init {
+            AppCompatDelegate.setCompatVectorFromResourcesEnabled(true)
+        }
+
+        var networkComponent: NetworkComponent? = null
+            private set
+        var navigatorComponent: NavigatorComponent? = null
+            private set
+
+        lateinit var firmwaresStorage: FirmwaresDigestsProvider
+        lateinit var localStorage: LocalStorage
+        lateinit var pinStorage: PINsProvider
+    }
+
+    override fun onCreate() {
+        super.onCreate()
+        // initialize the singleton
+        instance = this
+
+        networkComponent = DaggerNetworkComponent.create()
+        navigatorComponent = buildNavigatorComponent()
+
+        // common init
+        if (PINStorage.needInit())
+            PINStorage.init(applicationContext)
+
+        initIssuers()
+
+        firmwaresStorage = Firmwares(applicationContext)
+        localStorage = LocalStorage(applicationContext)
+        pinStorage = PINStorage()
+    }
+
+    private fun buildNavigatorComponent(): NavigatorComponent {
+        return DaggerNavigatorComponent.builder()
+                .build()
+    }
+
+    private fun initIssuers() {
+        try {
+            applicationContext.assets.open("issuers.json").use { `is` ->
+                InputStreamReader(`is`, StandardCharsets.UTF_8).use { reader ->
+                    val listType = object : TypeToken<List<Issuer>>() {
+
+                    }.type
+
+                    Issuer.fillIssuers(Gson().fromJson(reader, listType))
+                }
+            }
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+
+    }
+
+}