优化

app/src/main/java/io/legado/app/ui/about/AboutFragment.kt

@@ -15,6 +15,7 @@ import io.legado.app.help.config.AppConfig
 import io.legado.app.lib.dialogs.alert
 import io.legado.app.lib.dialogs.selector
 import io.legado.app.ui.widget.dialog.TextDialog
+import io.legado.app.ui.widget.dialog.WaitDialog
 import io.legado.app.utils.*
 import splitties.init.appCtx
 
@@ -36,6 +37,10 @@ class AboutFragment : PreferenceFragmentCompat() {
     private val qqChannel =
         "https://qun.qq.com/qqweb/qunpro/share?_wv=3&_wwv=128&inviteCode=25d870&from=246610&biz=ka"
 
+    private val waitDialog by lazy {
+        WaitDialog(requireContext())
+    }
+
     override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
         addPreferencesFromResource(R.xml.about)
         findPreference<Preference>("update_log")?.summary =
@@ -85,6 +90,7 @@ class AboutFragment : PreferenceFragmentCompat() {
      * 检测更新
      */
     private fun checkUpdate() {
+        waitDialog.show()
         AppUpdate.checkFromGitHub(lifecycleScope)
             .onSuccess {
                 showDialogFragment(
@@ -92,6 +98,8 @@ class AboutFragment : PreferenceFragmentCompat() {
                 )
             }.onError {
                 appCtx.toastOnUi("${getString(R.string.check_update)}\n${it.localizedMessage}")
+            }.onFinally {
+                waitDialog.hide()
             }
     }