coroutines: convert low-hanging fruits

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 files changed, 9 insertions, 4 deletions

diff --git a/ui/src/main/java/com/wireguard/android/preference/VersionPreference.kt b/ui/src/main/java/com/wireguard/android/preference/VersionPreference.kt
index 0734df45..f944233b 100644
--- a/ui/src/main/java/com/wireguard/android/preference/VersionPreference.kt
+++ b/ui/src/main/java/com/wireguard/android/preference/VersionPreference.kt
@@ -16,6 +16,10 @@ import com.wireguard.android.R
 import com.wireguard.android.backend.Backend
 import com.wireguard.android.backend.GoBackend
 import com.wireguard.android.backend.WgQuickBackend
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 import java.util.Locale
 
 class VersionPreference(context: Context, attrs: AttributeSet?) : Preference(context, attrs) {
@@ -45,11 +49,12 @@ class VersionPreference(context: Context, attrs: AttributeSet?) : Preference(con
     init {
         Application.getBackendAsync().thenAccept { backend ->
             versionSummary = getContext().getString(R.string.version_summary_checking, getBackendPrettyName(context, backend).toLowerCase(Locale.ENGLISH))
-            Application.getAsyncWorker().supplyAsync(backend::getVersion).whenComplete { version, exception ->
-                versionSummary = if (exception == null)
-                    getContext().getString(R.string.version_summary, getBackendPrettyName(context, backend), version)
-                else
+            CoroutineScope(Dispatchers.Main).launch {
+                versionSummary = try {
+                    getContext().getString(R.string.version_summary, getBackendPrettyName(context, backend), withContext(Dispatchers.IO) { backend.version })
+                } catch (_: Exception) {
                     getContext().getString(R.string.version_summary_unknown, getBackendPrettyName(context, backend).toLowerCase(Locale.ENGLISH))
+                }
                 notifyChanged()
             }
         }