Updated on 2026-08-14

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

@@ -4,30 +4,38 @@ import android.app.Activity
 import android.app.Application.ActivityLifecycleCallbacks
 import android.os.Bundle
 import androidx.appcompat.app.AppCompatActivity
-import java.util.WeakHashMap
+import timber.log.Timber
 import kotlin.reflect.KClass
 
-class ForegroundActivityObserver {
+object ForegroundActivityObserver {
 
-    private val activities = WeakHashMap<KClass<out Activity>, AppCompatActivity>()
+    private val activities = HashMap<KClass<out Activity>, AppCompatActivity>()
 
     val foregroundActivity: AppCompatActivity?
         get() = activities.entries
-            .firstOrNull { it.value?.isDestroyed == false }
+            .firstOrNull {
+                Timber.i("foregroundActivity: ${it.key} | ${it.value.isDestroyed}")
+                it.value.isDestroyed == false
+            }
             ?.value
 
     internal val callbacks: ActivityLifecycleCallbacks
         get() = Callbacks()
 
-    internal inner class Callbacks : ActivityLifecycleCallbacks {
+    internal class Callbacks : ActivityLifecycleCallbacks {
         override fun onActivityCreated(activity: Activity, savedInstanceState: Bundle?) {
         }
 
         override fun onActivityResumed(activity: Activity) {
-            activities[activity::class] = activity as? AppCompatActivity
+            Timber.i("onActivityResumed ${activity::class}")
+            (activity as? AppCompatActivity)?.let {
+                Timber.i("onActivityResumed store activity")
+                activities[activity::class] = it
+            }
         }
 
         override fun onActivityDestroyed(activity: Activity) {
+            Timber.i("onActivityDestroyed")
             activities.remove(activity::class)
         }
 

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

@@ -191,6 +191,7 @@ class MainActivity : AppCompatActivity(), ActivityResultCallbackHolder {
     private val onActivityResultCallbacks = mutableListOf<OnActivityResultCallback>()
 
     override fun onCreate(savedInstanceState: Bundle?) {
+        Timber.i("onCreate")
         // We need to call it before onCreate to prevent unnecessary activity recreation
         installAppTheme()
 
@@ -328,15 +329,18 @@ class MainActivity : AppCompatActivity(), ActivityResultCallbackHolder {
 
     override fun onStart() {
         super.onStart()
+        Timber.i("onStart")
         dialogManager.onStart(this)
     }
 
     override fun onStop() {
         dialogManager.onStop()
         super.onStop()
+        Timber.i("onStop")
     }
 
     override fun onDestroy() {
+        Timber.i("onDestroy")
         // workaround: kill process when activity destroy to avoid state when lock() wallets
         // and navigation to unlock screen was skipped because system kills activity but not process
         if (BuildConfig.BUILD_TYPE != MOCKED_BUILD_TYPE) {

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

@@ -85,7 +85,7 @@ import timber.log.Timber
 
 lateinit var store: Store<AppState>
 
-lateinit var foregroundActivityObserver: ForegroundActivityObserver
+val foregroundActivityObserver = ForegroundActivityObserver
 internal lateinit var derivationsFinder: DerivationsFinder
 
 abstract class TangemApplication : Application(), ImageLoaderFactory, Configuration.Provider {
@@ -246,6 +246,7 @@ abstract class TangemApplication : Application(), ImageLoaderFactory, Configurat
 
     override fun onCreate() {
         enableStrictModeInDebug()
+        preInit()
         super.onCreate()
         init()
     }
@@ -286,22 +287,25 @@ abstract class TangemApplication : Application(), ImageLoaderFactory, Configurat
         // }
     }
 
+    /**
+     * Initialize components that need to be initialized before [super.onCreate] is called
+     */
+    private fun preInit() {
+        tangemAppLoggerInitializer.initialize()
+        registerActivityLifecycleCallbacks(foregroundActivityObserver.callbacks)
+    }
+
     fun init() {
         apiConfigsManager.initialize()
 
         store = createReduxStore()
 
-        tangemAppLoggerInitializer.initialize()
-
         Timber.i("APP STARTED")
         if (BuildConfig.TESTER_MENU_ENABLED) {
             Timber.i(featureTogglesManager.toString())
             Timber.i(excludedBlockchainsManager.toString())
         }
 
-        foregroundActivityObserver = ForegroundActivityObserver()
-        registerActivityLifecycleCallbacks(foregroundActivityObserver.callbacks)
-
         runBlocking {
             initWithConfigDependency(environmentConfig = environmentConfigStorage.initialize())
         }