enhancements

apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/model/SimpleXAPI.kt

@@ -3115,8 +3115,12 @@ class SharedPreference<T>(val get: () -> T, set: (T) -> Unit) {
 
   init {
     this.set = { value ->
-      set(value)
-      _state.value = value
+      try {
+        set(value)
+        _state.value = value
+      } catch (e: Exception) {
+        Log.e(TAG, "Error saving settings: ${e.stackTraceToString()}")
+      }
     }
   }
 }

apps/multiplatform/common/src/commonMain/resources/MR/base/strings.xml

@@ -913,6 +913,7 @@
   <string name="show_slow_api_calls">Show slow API calls</string>
   <string name="shutdown_alert_question">Shutdown?</string>
   <string name="shutdown_alert_desc">Notifications will stop working until you re-launch the app</string>
+  <string name="prefs_error_saving_settings">Error saving settings</string>
 
   <!-- Address Items - UserAddressView.kt -->
   <string name="create_address">Create address</string>

apps/multiplatform/common/src/desktopMain/kotlin/chat/simplex/common/platform/Resources.desktop.kt

@@ -9,6 +9,7 @@ import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.*
 import chat.simplex.common.simplexWindowState
 import chat.simplex.common.views.helpers.*
+import chat.simplex.res.MR
 import com.jthemedetecor.OsThemeDetector
 import com.russhwolf.settings.*
 import dev.icerock.moko.resources.ImageResource
@@ -69,19 +70,33 @@ private val settingsThemesProps =
   Properties()
     .also { props -> try { settingsThemesFile.reader().use { props.load(it) } } catch (e: Exception) { /**/ } }
 
-
-private val settingsWriterThread = Executors.newSingleThreadExecutor().asCoroutineDispatcher()
-
-actual val settings: Settings = PropertiesSettings(settingsProps) { CoroutineScope(settingsWriterThread).launch {
-  createTmpFileAndDelete(settingsTmpDir) { tmpFile ->
-    tmpFile.writer().use { settingsProps.store(it, "") }
-    Files.move(tmpFile.toPath(), settingsFile.toPath(), StandardCopyOption.REPLACE_EXISTING)
-  } } }
-actual val settingsThemes: Settings = PropertiesSettings(settingsThemesProps) { CoroutineScope(settingsWriterThread).launch {
-  createTmpFileAndDelete(settingsTmpDir) { tmpFile ->
-    tmpFile.writer().use { settingsThemesProps.store(it, "") }
-    Files.move(tmpFile.toPath(), settingsThemesFile.toPath(), StandardCopyOption.REPLACE_EXISTING)
-  } } }
+private val lock = "settingsSaver"
+actual val settings: Settings = PropertiesSettings(settingsProps) {
+  synchronized(lock) {
+    try {
+      createTmpFileAndDelete(settingsTmpDir) { tmpFile ->
+        tmpFile.writer().use { settingsProps.store(it, "") }
+        Files.move(tmpFile.toPath(), settingsFile.toPath(), StandardCopyOption.REPLACE_EXISTING)
+      }
+    } catch (e: Exception) {
+      AlertManager.shared.showAlertMsg(generalGetString(MR.strings.prefs_error_saving_settings), e.stackTraceToString())
+      throw e
+    }
+  }
+}
+actual val settingsThemes: Settings = PropertiesSettings(settingsThemesProps) {
+  synchronized(lock) {
+    try {
+      createTmpFileAndDelete(settingsTmpDir) { tmpFile ->
+        tmpFile.writer().use { settingsThemesProps.store(it, "") }
+        Files.move(tmpFile.toPath(), settingsThemesFile.toPath(), StandardCopyOption.REPLACE_EXISTING)
+      }
+    } catch (e: Exception) {
+      AlertManager.shared.showAlertMsg(generalGetString(MR.strings.prefs_error_saving_settings), e.stackTraceToString())
+      throw e
+    }
+  }
+}
 
 actual fun windowOrientation(): WindowOrientation =
   if (simplexWindowState.windowState.size.width > simplexWindowState.windowState.size.height) {