fix gui

app/src/main/java/io/nekohasekai/sagernet/ui/ConfigurationFragment.kt

@@ -550,33 +550,34 @@ class ConfigurationFragment @JvmOverloads constructor(
 
         suspend fun update(profile: ProxyEntity) {
             fragment?.configurationListView?.post {
+                val context = context ?: return@post
+                if (!isAdded) return@post
+
                 var profileStatusText: String? = null
                 var profileStatusColor = 0
 
                 when (profile.status) {
                     -1 -> {
                         profileStatusText = profile.error
-                        profileStatusColor =
-                            requireContext().getColorAttr(android.R.attr.textColorSecondary)
+                        profileStatusColor = context.getColorAttr(android.R.attr.textColorSecondary)
                     }
                     0 -> {
                         profileStatusText = getString(R.string.connection_test_testing)
-                        profileStatusColor =
-                            requireContext().getColorAttr(android.R.attr.textColorSecondary)
+                        profileStatusColor = context.getColorAttr(android.R.attr.textColorSecondary)
                     }
                     1 -> {
                         profileStatusText = getString(R.string.available, profile.ping)
-                        profileStatusColor = requireContext().getColour(R.color.material_green_500)
+                        profileStatusColor = context.getColour(R.color.material_green_500)
                     }
                     2 -> {
                         profileStatusText = profile.error
-                        profileStatusColor = requireContext().getColour(R.color.material_red_500)
+                        profileStatusColor = context.getColour(R.color.material_red_500)
                     }
                     3 -> {
                         val err = profile.error ?: ""
                         val msg = Protocols.genFriendlyMsg(err)
                         profileStatusText = if (msg != err) msg else getString(R.string.unavailable)
-                        profileStatusColor = requireContext().getColour(R.color.material_red_500)
+                        profileStatusColor = context.getColour(R.color.material_red_500)
                     }
                 }
 
@@ -585,7 +586,7 @@ class ConfigurationFragment @JvmOverloads constructor(
                     append("\n")
                     append(
                         profile.displayType(),
-                        ForegroundColorSpan(requireContext().getProtocolColor(profile.type)),
+                        ForegroundColorSpan(context.getProtocolColor(profile.type)),
                         SPAN_EXCLUSIVE_EXCLUSIVE
                     )
                     append(" ")
@@ -1277,6 +1278,7 @@ class ConfigurationFragment @JvmOverloads constructor(
             }
 
             override suspend fun onUpdated(data: TrafficData) {
+                try {
                     val index = configurationIdList.indexOf(data.id)
                     if (index != -1) {
                         val holder = layoutManager.findViewByPosition(index)
@@ -1287,6 +1289,9 @@ class ConfigurationFragment @JvmOverloads constructor(
                             }
                         }
                     }
+                } catch (e: Exception) {
+                    Logs.w(e)
+                }
             }
 
             override suspend fun onRemoved(groupId: Long, profileId: Long) {

app/src/main/java/io/nekohasekai/sagernet/ui/GroupSettingsActivity.kt

@@ -9,6 +9,7 @@ import android.os.Parcelable
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
+import android.widget.Toast
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.annotation.LayoutRes
 import androidx.appcompat.app.AlertDialog
@@ -19,8 +20,10 @@ import com.github.shadowsocks.plugin.fragment.AlertDialogFragment
 import io.nekohasekai.sagernet.GroupType
 import io.nekohasekai.sagernet.Key
 import io.nekohasekai.sagernet.R
+import io.nekohasekai.sagernet.SagerNet
 import io.nekohasekai.sagernet.database.*
 import io.nekohasekai.sagernet.database.preference.OnPreferenceDataStoreChangeListener
+import io.nekohasekai.sagernet.ktx.Logs
 import io.nekohasekai.sagernet.ktx.applyDefaultValues
 import io.nekohasekai.sagernet.ktx.onMainDispatcher
 import io.nekohasekai.sagernet.ktx.runOnDefaultDispatcher
@@ -300,9 +303,18 @@ class GroupSettingsActivity(
 
         override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
             preferenceManager.preferenceDataStore = DataStore.profileCacheStore
+            try {
                 activity.apply {
                     createPreferences(savedInstanceState, rootKey)
                 }
+            } catch (e: Exception) {
+                Toast.makeText(
+                    SagerNet.application,
+                    "Error on createPreferences, please try again.",
+                    Toast.LENGTH_SHORT
+                ).show()
+                Logs.e(e)
+            }
         }
 
         override fun onViewCreated(view: View, savedInstanceState: Bundle?) {

app/src/main/java/io/nekohasekai/sagernet/ui/RouteSettingsActivity.kt

@@ -8,6 +8,7 @@ import android.os.Parcelable
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
+import android.widget.Toast
 import androidx.activity.result.component1
 import androidx.activity.result.component2
 import androidx.activity.result.contract.ActivityResultContracts
@@ -23,11 +24,13 @@ import com.github.shadowsocks.plugin.fragment.AlertDialogFragment
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import io.nekohasekai.sagernet.Key
 import io.nekohasekai.sagernet.R
+import io.nekohasekai.sagernet.SagerNet
 import io.nekohasekai.sagernet.database.DataStore
 import io.nekohasekai.sagernet.database.ProfileManager
 import io.nekohasekai.sagernet.database.RuleEntity
 import io.nekohasekai.sagernet.database.SagerDatabase
 import io.nekohasekai.sagernet.database.preference.OnPreferenceDataStoreChangeListener
+import io.nekohasekai.sagernet.ktx.Logs
 import io.nekohasekai.sagernet.ktx.app
 import io.nekohasekai.sagernet.ktx.onMainDispatcher
 import io.nekohasekai.sagernet.ktx.runOnDefaultDispatcher
@@ -310,9 +313,18 @@ class RouteSettingsActivity(
 
         override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
             preferenceManager.preferenceDataStore = DataStore.profileCacheStore
+            try {
                 activity.apply {
                     createPreferences(savedInstanceState, rootKey)
                 }
+            } catch (e: Exception) {
+                Toast.makeText(
+                    SagerNet.application,
+                    "Error on createPreferences, please try again.",
+                    Toast.LENGTH_SHORT
+                ).show()
+                Logs.e(e)
+            }
         }
 
         override fun onViewCreated(view: View, savedInstanceState: Bundle?) {

app/src/main/java/io/nekohasekai/sagernet/ui/profile/ProfileSettingsActivity.kt

@@ -10,6 +10,7 @@ import android.view.Menu
 import android.view.MenuItem
 import android.view.View
 import android.widget.LinearLayout
+import android.widget.Toast
 import androidx.activity.result.component1
 import androidx.activity.result.component2
 import androidx.activity.result.contract.ActivityResultContracts
@@ -35,10 +36,7 @@ import io.nekohasekai.sagernet.database.SagerDatabase
 import io.nekohasekai.sagernet.database.preference.OnPreferenceDataStoreChangeListener
 import io.nekohasekai.sagernet.databinding.LayoutGroupItemBinding
 import io.nekohasekai.sagernet.fmt.AbstractBean
-import io.nekohasekai.sagernet.ktx.applyDefaultValues
-import io.nekohasekai.sagernet.ktx.onMainDispatcher
-import io.nekohasekai.sagernet.ktx.runOnDefaultDispatcher
-import io.nekohasekai.sagernet.ktx.runOnMainDispatcher
+import io.nekohasekai.sagernet.ktx.*
 import io.nekohasekai.sagernet.ui.ThemedActivity
 import io.nekohasekai.sagernet.widget.ListListener
 import kotlinx.parcelize.Parcelize
@@ -215,9 +213,18 @@ abstract class ProfileSettingsActivity<T : AbstractBean>(
 
         override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
             preferenceManager.preferenceDataStore = DataStore.profileCacheStore
+            try {
                 activity.apply {
                     createPreferences(savedInstanceState, rootKey)
                 }
+            } catch (e: Exception) {
+                Toast.makeText(
+                    SagerNet.application,
+                    "Error on createPreferences, please try again.",
+                    Toast.LENGTH_SHORT
+                ).show()
+                Logs.e(e)
+            }
         }
 
         override fun onViewCreated(view: View, savedInstanceState: Bundle?) {

app/src/main/java/moe/matsuri/nb4a/ui/UrlTestPreference.kt

@@ -3,7 +3,9 @@ package moe.matsuri.nb4a.ui
 import android.content.Context
 import android.util.AttributeSet
 import android.widget.EditText
+import android.widget.LinearLayout
 import androidx.core.content.res.TypedArrayUtils
+import androidx.core.view.isVisible
 import androidx.preference.EditTextPreference
 import io.nekohasekai.sagernet.R
 import io.nekohasekai.sagernet.database.DataStore
@@ -30,6 +32,7 @@ constructor(
             concurrent?.apply {
                 setText(DataStore.connectionTestConcurrent.toString())
             }
+            it.rootView.findViewById<LinearLayout>(R.id.concurrent_layout)?.isVisible = true
         }
 
         setOnPreferenceChangeListener { _, _ ->

app/src/main/res/layout/layout_urltest_preference_dialog.xml

@@ -31,8 +31,10 @@
                 android:typeface="monospace" />
 
             <LinearLayout
+                android:id="@+id/concurrent_layout"
                 android:layout_width="match_parent"
-                android:layout_height="wrap_content">
+                android:layout_height="wrap_content"
+                android:visibility="gone">
 
                 <TextView
                     style="?android:attr/textAppearanceSmall"