Use a supervisor job and exception hander in UIService

code/core/src/phone/java/com/adobe/marketing/mobile/services/ui/AEPUIService.kt

@@ -12,20 +12,41 @@
 package com.adobe.marketing.mobile.services.ui
 
 import android.app.Application
+import com.adobe.marketing.mobile.services.Log
+import com.adobe.marketing.mobile.services.ServiceConstants
 import com.adobe.marketing.mobile.services.ui.alert.AlertPresentable
 import com.adobe.marketing.mobile.services.ui.common.AppLifecycleProvider
 import com.adobe.marketing.mobile.services.ui.floatingbutton.FloatingButtonPresentable
 import com.adobe.marketing.mobile.services.ui.floatingbutton.FloatingButtonViewModel
 import com.adobe.marketing.mobile.services.ui.message.InAppMessagePresentable
+import kotlinx.coroutines.CoroutineExceptionHandler
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.SupervisorJob
 
 /**
  * UI Service implementation for AEP SDK
  */
 internal class AEPUIService : UIService {
+    companion object {
+        private const val LOG_TAG = "AEPUIService"
+    }
+
     private var presentationDelegate: PresentationDelegate? = null
 
+    private val exceptionHandler = CoroutineExceptionHandler { _, throwable ->
+        Log.error(
+            ServiceConstants.LOG_TAG,
+            LOG_TAG,
+            "An error occurred while processing the presentation: ${throwable.message}",
+            throwable
+        )
+    }
+
+    private val mainScope by lazy {
+        CoroutineScope(Dispatchers.Main + SupervisorJob() + exceptionHandler)
+    }
+
     @Suppress("UNCHECKED_CAST")
     override fun <T : Presentation<T>> create(
         presentation: T,
@@ -44,7 +65,7 @@ internal class AEPUIService : UIService {
                     presentationDelegate,
                     presentationUtilityProvider,
                     AppLifecycleProvider.INSTANCE,
-                    CoroutineScope(Dispatchers.Main)
+                    mainScope
                 ) as Presentable<T>
             }
 
@@ -53,7 +74,8 @@ internal class AEPUIService : UIService {
                     presentation,
                     presentationDelegate,
                     presentationUtilityProvider,
-                    AppLifecycleProvider.INSTANCE
+                    AppLifecycleProvider.INSTANCE,
+                    mainScope
                 ) as Presentable<T>
             }
 
@@ -63,7 +85,8 @@ internal class AEPUIService : UIService {
                     FloatingButtonViewModel(presentation.settings),
                     presentationDelegate,
                     presentationUtilityProvider,
-                    AppLifecycleProvider.INSTANCE
+                    AppLifecycleProvider.INSTANCE,
+                    mainScope
                 ) as Presentable<T>
             }
 

code/core/src/phone/java/com/adobe/marketing/mobile/services/ui/alert/AlertPresentable.kt

@@ -21,6 +21,7 @@ import com.adobe.marketing.mobile.services.ui.PresentationUtilityProvider
 import com.adobe.marketing.mobile.services.ui.alert.views.AlertScreen
 import com.adobe.marketing.mobile.services.ui.common.AEPPresentable
 import com.adobe.marketing.mobile.services.ui.common.AppLifecycleProvider
+import kotlinx.coroutines.CoroutineScope
 
 /**
  * Represents an Alert presentable.
@@ -33,12 +34,14 @@ internal class AlertPresentable(
     val alert: Alert,
     presentationDelegate: PresentationDelegate?,
     presentationUtilityProvider: PresentationUtilityProvider,
-    appLifecycleProvider: AppLifecycleProvider
+    appLifecycleProvider: AppLifecycleProvider,
+    mainScope: CoroutineScope
 ) : AEPPresentable<Alert>(
     alert,
     presentationUtilityProvider,
     presentationDelegate,
-    appLifecycleProvider
+    appLifecycleProvider,
+    mainScope
 ) {
     override fun getContent(activityContext: Context): ComposeView {
         return ComposeView(activityContext).apply {

code/core/src/phone/java/com/adobe/marketing/mobile/services/ui/common/AEPPresentable.kt

@@ -33,7 +33,6 @@ import com.adobe.marketing.mobile.services.ui.Presentation
 import com.adobe.marketing.mobile.services.ui.PresentationDelegate
 import com.adobe.marketing.mobile.services.ui.PresentationUtilityProvider
 import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import java.lang.ref.WeakReference
 import java.util.Random
@@ -52,10 +51,10 @@ internal abstract class AEPPresentable<T : Presentation<T>> :
     private val presentation: Presentation<T>
     private val presentationUtilityProvider: PresentationUtilityProvider
     private val presentationDelegate: PresentationDelegate?
-    private val mainScope: CoroutineScope
     private val appLifecycleProvider: AppLifecycleProvider
     private val presentationObserver: PresentationObserver
     private val activityCompatOwnerUtils: ActivityCompatOwnerUtils
+    private val mainScope: CoroutineScope
     protected val presentationStateManager: PresentationStateManager
 
     @VisibleForTesting internal val contentIdentifier: Int = Random().nextInt()
@@ -70,15 +69,16 @@ internal abstract class AEPPresentable<T : Presentation<T>> :
         presentation: Presentation<T>,
         presentationUtilityProvider: PresentationUtilityProvider,
         presentationDelegate: PresentationDelegate?,
-        appLifecycleProvider: AppLifecycleProvider
+        appLifecycleProvider: AppLifecycleProvider,
+        mainScope: CoroutineScope
     ) : this(
         presentation,
         presentationUtilityProvider,
         presentationDelegate,
         appLifecycleProvider,
         PresentationStateManager(),
         ActivityCompatOwnerUtils(),
-        CoroutineScope(Dispatchers.Main),
+        mainScope,
         PresentationObserver.INSTANCE
     )
 

code/core/src/phone/java/com/adobe/marketing/mobile/services/ui/floatingbutton/FloatingButtonPresentable.kt

@@ -21,6 +21,7 @@ import com.adobe.marketing.mobile.services.ui.PresentationUtilityProvider
 import com.adobe.marketing.mobile.services.ui.common.AEPPresentable
 import com.adobe.marketing.mobile.services.ui.common.AppLifecycleProvider
 import com.adobe.marketing.mobile.services.ui.floatingbutton.views.FloatingButtonScreen
+import kotlinx.coroutines.CoroutineScope
 
 /**
  * Represents a presentable floating button presentation
@@ -35,12 +36,14 @@ internal class FloatingButtonPresentable(
     private val floatingButtonViewModel: FloatingButtonViewModel,
     presentationDelegate: PresentationDelegate?,
     presentationUtilityProvider: PresentationUtilityProvider,
-    appLifecycleProvider: AppLifecycleProvider
+    appLifecycleProvider: AppLifecycleProvider,
+    mainScope: CoroutineScope
 ) : AEPPresentable<FloatingButton>(
     floatingButton,
     presentationUtilityProvider,
     presentationDelegate,
-    appLifecycleProvider
+    appLifecycleProvider,
+    mainScope
 ) {
     // event handler for the floating button
     private val floatingButtonEventHandler = object : FloatingButtonEventHandler {

code/core/src/phone/java/com/adobe/marketing/mobile/services/ui/message/InAppMessagePresentable.kt

@@ -45,7 +45,8 @@ internal class InAppMessagePresentable(
     inAppMessage,
     presentationUtilityProvider,
     presentationDelegate,
-    appLifecycleProvider
+    appLifecycleProvider,
+    mainScope
 ) {
 
     companion object {

code/core/src/test/java/com/adobe/marketing/mobile/services/ui/alert/AlertPresentableTest.kt

@@ -17,6 +17,7 @@ import com.adobe.marketing.mobile.services.ui.InAppMessage
 import com.adobe.marketing.mobile.services.ui.PresentationDelegate
 import com.adobe.marketing.mobile.services.ui.PresentationUtilityProvider
 import com.adobe.marketing.mobile.services.ui.common.AppLifecycleProvider
+import kotlinx.coroutines.CoroutineScope
 import org.junit.Before
 import org.junit.Test
 import org.mockito.Mock
@@ -40,12 +41,15 @@ class AlertPresentableTest {
     @Mock
     private lateinit var mockAppLifecycleProvider: AppLifecycleProvider
 
+    @Mock
+    private lateinit var mockScope: CoroutineScope
+
     private lateinit var alertPresentable: AlertPresentable
 
     @Before
     fun setUp() {
         MockitoAnnotations.openMocks(this)
-        alertPresentable = AlertPresentable(mockAlert, mockPresentationDelegate, mockPresentationUtilityProvider, mockAppLifecycleProvider)
+        alertPresentable = AlertPresentable(mockAlert, mockPresentationDelegate, mockPresentationUtilityProvider, mockAppLifecycleProvider, mockScope)
     }
 
     @Test

code/core/src/test/java/com/adobe/marketing/mobile/services/ui/floatingbutton/FloatingButtonPresentableTest.kt

@@ -17,6 +17,7 @@ import com.adobe.marketing.mobile.services.ui.InAppMessage
 import com.adobe.marketing.mobile.services.ui.PresentationDelegate
 import com.adobe.marketing.mobile.services.ui.PresentationUtilityProvider
 import com.adobe.marketing.mobile.services.ui.common.AppLifecycleProvider
+import kotlinx.coroutines.CoroutineScope
 import org.junit.Before
 import org.junit.Test
 import org.mockito.Mock
@@ -47,6 +48,9 @@ class FloatingButtonPresentableTest {
     @Mock
     private lateinit var mockFloatingButtonSettings: FloatingButtonSettings
 
+    @Mock
+    private lateinit var mockScope: CoroutineScope
+
     private lateinit var floatingButtonPresentable: FloatingButtonPresentable
 
     @Before
@@ -61,7 +65,8 @@ class FloatingButtonPresentableTest {
             mockFloatingButtonViewModel,
             mockPresentationDelegate,
             mockPresentationUtilityProvider,
-            mockAppLifecycleProvider
+            mockAppLifecycleProvider,
+            mockScope
         )
 
         verify(mockFloatingButtonViewModel).onGraphicUpdate(mockFloatingButtonSettings.initialGraphic)