Deal with SY for the coroutine function changes

app/src/main/java/exh/uconfig/ConfiguringDialogController.kt

@@ -7,29 +7,26 @@ import com.afollestad.materialdialogs.MaterialDialog
 import com.elvishew.xlog.XLog
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.ui.base.controller.DialogController
+import eu.kanade.tachiyomi.util.lang.launchIO
 import eu.kanade.tachiyomi.util.lang.launchUI
 import eu.kanade.tachiyomi.util.system.toast
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.Job
+import kotlinx.coroutines.MainScope
 import kotlinx.coroutines.cancel
-import kotlinx.coroutines.launch
-import kotlinx.coroutines.withContext
 
 class ConfiguringDialogController : DialogController() {
     private var materialDialog: MaterialDialog? = null
-    val scope = CoroutineScope(Job() + Dispatchers.Main)
+    val scope = MainScope()
 
     override fun onCreateDialog(savedViewState: Bundle?): Dialog {
         if (savedViewState == null) {
-            scope.launch(Dispatchers.IO) {
+            scope.launchIO {
                 try {
                     EHConfigurator(activity!!).configureAll()
                     launchUI {
                         activity?.toast(activity?.getString(R.string.eh_settings_successfully_uploaded))
                     }
                 } catch (e: Exception) {
-                    withContext(Dispatchers.Main) {
+                    launchUI {
                         activity?.let {
                             MaterialDialog(it)
                                 .title(R.string.eh_settings_configuration_failed)