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coroutines: convert low-hanging fruits

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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld
2020-09-14 14:40:10 +02:00
parent dd0ff8fe60
commit 2fc0bb1a03
5 changed files with 106 additions and 73 deletions
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ui/src/main/java/com/wireguard/android/preference/VersionPreference.kt
+9 -4
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@@ -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()
}
}