For #2945: Launches to blank screen and hangs on Nexus 10 (#3854)

CHANGELOG.md

@@ -68,4 +68,5 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - #2789 Custom tabs is not covering the full screen size.
 - #2893, #2673, #2916, #2314: Fix several crashes navigating from external links
 - #3750 - Crash when tapping "Blocked" on Google Maps after disabling location requests
+- #2945 - Fixed "Launches to blank screen and hangs on Nexus 10"
 ### Removed

app/src/main/java/org/mozilla/fenix/components/Search.kt

@@ -5,6 +5,7 @@
 package org.mozilla.fenix.components
 
 import android.content.Context
+import kotlinx.coroutines.Dispatchers.IO
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.launch
 import mozilla.components.browser.search.SearchEngineManager
@@ -21,7 +22,7 @@ class Search(private val context: Context) {
      * This component provides access to a centralized registry of search engines.
      */
     val searchEngineManager by lazy {
-        SearchEngineManager().apply {
+        SearchEngineManager(coroutineContext = IO).apply {
             registerForLocaleUpdates(context)
             GlobalScope.launch {
                 loadAsync(context).await()

app/src/main/java/org/mozilla/fenix/components/metrics/ActivationPing.kt

@@ -157,7 +157,7 @@ class ActivationPing(private val context: Context) {
         // Generate the activation_id.
         Activation.activationId.generateAndSet()
 
-        CoroutineScope(Dispatchers.Default).launch {
+        CoroutineScope(Dispatchers.IO).launch {
             val hashedId = getHashedIdentifier()
             if (hashedId != null) {
                 Logger.info("ActivationPing - generating ping with the hashed id")

app/src/main/java/org/mozilla/fenix/components/metrics/GleanMetricsService.kt

@@ -247,7 +247,7 @@ class GleanMetricsService(private val context: Context) : MetricsService {
         if (initialized) return
         initialized = true
 
-        starter = CoroutineScope(Dispatchers.Default).launch {
+        starter = CoroutineScope(Dispatchers.IO).launch {
             Glean.registerPings(Pings)
             Glean.initialize(context, Configuration(channel = BuildConfig.BUILD_TYPE))