dox4/fcitx5-android
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Make sure to create PreferenceScreen only once

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Rocka 2026-03-12 02:00:49 +08:00
parent c88ed1f31e
commit fe3a618c8f
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1 changed files with 12 additions and 5 deletions
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17
app/src/main/java/org/fcitx/fcitx5/android/ui/main/settings/FcitxPreferenceFragment.kt
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@ -5,6 +5,7 @@
package org.fcitx.fcitx5.android.ui.main.settings
import android.os.Bundle
import android.view.View
import androidx.activity.OnBackPressedCallback
import androidx.fragment.app.activityViewModels
import androidx.lifecycle.lifecycleScope
@ -77,18 +78,19 @@ abstract class FcitxPreferenceFragment : PaddingPreferenceFragment() {
* If that fragment was derived from `FcitxPreferenceFragment`, it needs to call `obtainConfig`
* which would need the route params, and in turn needs `NavGraph`.
* But at this time it's still in `MainActivity`'s `super.onCreate`, the Activity did not have
* chance to setup `NavGraph` on `navController`, so accessing `lazyRoute` would crash.
* chance to set up `NavGraph` on `navController`, so accessing `lazyRoute` would crash.
*
* That is to say, if we declare `app:navGraph` on `<FragmentContainerView />` in `activity_main.xml`,
* the graph would have been initialized when `NavHostFragment` got inflated, and does not suffer
* from this problem? But maintain navigation destinations in xml is too tedious ...
* from this problem? But maintain navigation destinations in XML is too tedious ...
*/
final override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
}
override fun onStart() {
super.onStart()
viewModel.setToolbarTitle(getPageTitle())
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
super.onViewCreated(view, savedInstanceState)
// make sure to create preference only once since `onViewCreated` is also called on Fragment resume
if (preferenceScreen?.isEmpty() == false) return
val context = requireContext()
lifecycleScope.withLoadingDialog(context) {
raw = fcitx.runOnReady { obtainConfig(this) }
@ -109,4 +111,9 @@ abstract class FcitxPreferenceFragment : PaddingPreferenceFragment() {
viewModel.disableAboutButton()
}
}
override fun onStart() {
super.onStart()
viewModel.setToolbarTitle(getPageTitle())
}
}