Refactor BaseViewModel, which inherits from AndroidViewModel.

V2rayNG/app/src/main/java/com/v2ray/ang/extension/_Ext.kt

@@ -9,7 +9,6 @@ import android.os.Bundle
 import android.os.Handler
 import android.os.Looper
 import android.widget.Toast
-import com.v2ray.ang.AngApplication
 import com.v2ray.ang.compose.AppSnackbarManager
 import com.v2ray.ang.compose.ToastType
 import com.v2ray.ang.enums.EConfigType
@@ -17,9 +16,6 @@ import java.io.Serializable
 import java.net.URI
 import java.util.Locale
 
-val myApp: AngApplication
-    get() = AngApplication.application
-
 private inline fun runOnMain(crossinline block: () -> Unit) {
     if (Looper.myLooper() == Looper.getMainLooper()) {
         block()

V2rayNG/app/src/main/java/com/v2ray/ang/ui/main/MainActivity.kt

@@ -57,7 +57,7 @@ import kotlinx.coroutines.withContext
 class MainActivity : HelperBaseComponentActivity() {
 
     private val mainViewModel: MainViewModel by viewModels {
-        MainViewModel.Factory(MainRepository(application as AngApplication))
+        MainViewModel.Factory(application, MainRepository(application as AngApplication))
     }
 
     private val requestVpnPermission =

V2rayNG/app/src/main/java/com/v2ray/ang/viewmodel/AppPickerViewModel.kt

@@ -1,5 +1,6 @@
 package com.v2ray.ang.viewmodel
 
+import android.app.Application
 import android.content.Context
 import com.v2ray.ang.AppConfig
 import com.v2ray.ang.dto.AppInfo
@@ -15,7 +16,7 @@ import java.text.Collator
 /**
  * ViewModel for AppPicker screen.
  */
-class AppPickerViewModel : BaseViewModel() {
+class AppPickerViewModel(application: Application) : BaseViewModel(application) {
 
     private val _selectedPackages = MutableStateFlow<Set<String>>(emptySet())
     val selectedPackages: StateFlow<Set<String>> = _selectedPackages.asStateFlow()

V2rayNG/app/src/main/java/com/v2ray/ang/viewmodel/BackupViewModel.kt

@@ -1,5 +1,6 @@
 package com.v2ray.ang.viewmodel
 
+import android.app.Application
 import android.net.Uri
 import com.tencent.mmkv.MMKV
 import com.v2ray.ang.AppConfig
@@ -19,7 +20,7 @@ import java.io.File
 import java.text.SimpleDateFormat
 import java.util.Locale
 
-class BackupViewModel : BaseViewModel() {
+class BackupViewModel(application: Application) : BaseViewModel(application) {
 
     private val _webDavConfig = MutableStateFlow(MmkvManager.decodeWebDavConfig())
     val webDavConfig: StateFlow<WebDavConfig?> = _webDavConfig.asStateFlow()

V2rayNG/app/src/main/java/com/v2ray/ang/viewmodel/BaseViewModel.kt

@@ -1,8 +1,9 @@
 package com.v2ray.ang.viewmodel
 
-import androidx.lifecycle.ViewModel
+import android.app.Application
+import androidx.lifecycle.AndroidViewModel
 import androidx.lifecycle.viewModelScope
-import com.v2ray.ang.extension.myApp
+import com.v2ray.ang.AngApplication
 import com.v2ray.ang.extension.toast
 import com.v2ray.ang.extension.toastError
 import com.v2ray.ang.extension.toastSuccess
@@ -17,7 +18,14 @@ import kotlinx.coroutines.launch
 /**
  * Base ViewModel that encapsulates common UI event handling logic.
  */
-abstract class BaseViewModel : ViewModel() {
+abstract class BaseViewModel(application: Application) : AndroidViewModel(application) {
+
+    /**
+     * Safe access to custom application instance.
+     */
+    protected val app: AngApplication by lazy {
+        application as AngApplication
+    }
 
     @Suppress("PropertyName")
     protected val _isLoading = MutableStateFlow(false)
@@ -31,56 +39,56 @@ abstract class BaseViewModel : ViewModel() {
      * Send neutral toast event (Resource ID).
      */
     fun toast(resId: Int) {
-        myApp.toast(resId)
+        app.toast(resId)
     }
 
     /**
      * Send neutral toast event (String).
      */
     fun toast(message: String) {
-        myApp.toast(message)
+        app.toast(message)
     }
 
     /**
      * Send success toast event (Resource ID).
      */
     fun toastSuccess(resId: Int) {
-        myApp.toastSuccess(resId)
+        app.toastSuccess(resId)
     }
 
     /**
      * Send success toast event (String).
      */
     fun toastSuccess(message: String) {
-        myApp.toastSuccess(message)
+        app.toastSuccess(message)
     }
 
     /**
      * Send error toast event (Resource ID).
      */
     fun toastError(resId: Int) {
-        myApp.toastError(resId)
+        app.toastError(resId)
     }
 
     /**
      * Send error toast event (String).
      */
     fun toastError(message: String) {
-        myApp.toastError(message)
+        app.toastError(message)
     }
 
     /**
      * Get string from resource ID.
      */
     fun getString(resId: Int): String {
-        return myApp.getString(resId)
+        return app.getString(resId)
     }
 
     /**
      * Get formatted string from resource ID.
      */
     fun getString(resId: Int, vararg formatArgs: Any?): String {
-        return myApp.getString(resId, *formatArgs)
+        return app.getString(resId, *formatArgs)
     }
 
     /**

V2rayNG/app/src/main/java/com/v2ray/ang/viewmodel/CheckUpdateViewModel.kt

@@ -1,5 +1,6 @@
 package com.v2ray.ang.viewmodel
 
+import android.app.Application
 import com.v2ray.ang.AppConfig
 import com.v2ray.ang.R
 import com.v2ray.ang.dto.CheckUpdateResult
@@ -10,7 +11,7 @@ import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
 
-class CheckUpdateViewModel : BaseViewModel() {
+class CheckUpdateViewModel(application: Application) : BaseViewModel(application) {
 
     private val _checkPreRelease = MutableStateFlow(
         MmkvManager.decodeSettingsBool(AppConfig.PREF_CHECK_UPDATE_PRE_RELEASE, false)

V2rayNG/app/src/main/java/com/v2ray/ang/viewmodel/LogcatViewModel.kt

@@ -1,5 +1,6 @@
 package com.v2ray.ang.viewmodel
 
+import android.app.Application
 import com.v2ray.ang.AppConfig
 import com.v2ray.ang.AppConfig.ANG_PACKAGE
 import com.v2ray.ang.util.LogUtil
@@ -8,7 +9,7 @@ import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import java.io.IOException
 
-class LogcatViewModel : BaseViewModel() {
+class LogcatViewModel(application: Application) : BaseViewModel(application) {
     private val logsetsAll: MutableList<String> = mutableListOf()
     private var currentFilter: String = ""
 

V2rayNG/app/src/main/java/com/v2ray/ang/viewmodel/MainViewModel.kt

@@ -1,5 +1,6 @@
 package com.v2ray.ang.viewmodel
 
+import android.app.Application
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.ViewModelProvider
 import androidx.lifecycle.viewModelScope
@@ -39,8 +40,9 @@ import java.util.concurrent.ConcurrentHashMap
 import java.util.regex.PatternSyntaxException
 
 class MainViewModel(
+    application: Application,
     private val dataSource: MainDataSource
-) : BaseViewModel() {
+) : BaseViewModel(application) {
 
     private val ioDispatcher: CoroutineDispatcher = Dispatchers.IO
     private val defaultDispatcher: CoroutineDispatcher = Dispatchers.Default
@@ -759,11 +761,11 @@ class MainViewModel(
     }
 
     // ---------- Factory ----------
-    class Factory(private val dataSource: MainDataSource) : ViewModelProvider.Factory {
+    class Factory(private val application: Application, private val dataSource: MainDataSource) : ViewModelProvider.Factory {
         @Suppress("UNCHECKED_CAST")
         override fun <T : ViewModel> create(modelClass: Class<T>): T {
             if (modelClass.isAssignableFrom(MainViewModel::class.java)) {
-                return MainViewModel(dataSource) as T
+                return MainViewModel(application, dataSource) as T
             }
             throw IllegalArgumentException("Unknown ViewModel class")
         }

V2rayNG/app/src/main/java/com/v2ray/ang/viewmodel/PerAppProxyViewModel.kt

@@ -1,5 +1,6 @@
 package com.v2ray.ang.viewmodel
 
+import android.app.Application
 import android.content.Context
 import com.v2ray.ang.AppConfig
 import com.v2ray.ang.AppConfig.ANG_PACKAGE
@@ -23,7 +24,7 @@ import java.text.Collator
  * ViewModel for PerAppProxy screen.
  * Holds all UI state and business logic.
  */
-class PerAppProxyViewModel : BaseViewModel() {
+class PerAppProxyViewModel(application: Application) : BaseViewModel(application) {
 
     // Blacklist (apps to be proxied or bypassed)
     private val _blacklist = MutableStateFlow(loadBlacklist())

V2rayNG/app/src/main/java/com/v2ray/ang/viewmodel/RoutingSettingsViewModel.kt

@@ -1,5 +1,6 @@
 package com.v2ray.ang.viewmodel
 
+import android.app.Application
 import com.v2ray.ang.dto.entities.RulesetItem
 import com.v2ray.ang.handler.MmkvManager
 import com.v2ray.ang.handler.SettingsManager
@@ -8,7 +9,7 @@ import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import java.util.UUID
 
-class RoutingSettingsViewModel : BaseViewModel() {
+class RoutingSettingsViewModel(application: Application) : BaseViewModel(application) {
     private val rulesets: MutableList<RulesetItem> = mutableListOf()
 
     private val _rulesetsFlow = MutableStateFlow<List<RulesetItem>>(emptyList())

V2rayNG/app/src/main/java/com/v2ray/ang/viewmodel/SettingsViewModel.kt

@@ -1,5 +1,6 @@
 package com.v2ray.ang.viewmodel
 
+import android.app.Application
 import com.v2ray.ang.AppConfig
 import com.v2ray.ang.R
 import com.v2ray.ang.root.RootManager
@@ -7,7 +8,7 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.withContext
 
-class SettingsViewModel : BaseViewModel() {
+class SettingsViewModel(application: Application) : BaseViewModel(application) {
 
     /**
      * Checks for root access and requests it if necessary.

V2rayNG/app/src/main/java/com/v2ray/ang/viewmodel/SubscriptionsViewModel.kt

@@ -1,10 +1,15 @@
 package com.v2ray.ang.viewmodel
 
+import android.app.Application
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.setValue
+import com.v2ray.ang.AppConfig
 import com.v2ray.ang.R
 import com.v2ray.ang.dto.entities.SubscriptionCache
 import com.v2ray.ang.dto.entities.SubscriptionItem
 import com.v2ray.ang.handler.AngConfigManager
 import com.v2ray.ang.handler.MmkvManager
+import com.v2ray.ang.handler.MmkvManager.rememberMmkvBool
 import com.v2ray.ang.handler.SettingsChangeManager
 import com.v2ray.ang.handler.SettingsManager
 import kotlinx.coroutines.Dispatchers
@@ -14,7 +19,7 @@ import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.withContext
 
-class SubscriptionsViewModel : BaseViewModel() {
+class SubscriptionsViewModel(application: Application) : BaseViewModel(application) {
     private val subscriptions: MutableList<SubscriptionCache> =
         MmkvManager.decodeSubscriptions().toMutableList()
 

V2rayNG/app/src/main/java/com/v2ray/ang/viewmodel/UserAssetViewModel.kt

@@ -1,5 +1,6 @@
 package com.v2ray.ang.viewmodel
 
+import android.app.Application
 import com.v2ray.ang.AppConfig
 import com.v2ray.ang.dto.UrlContentRequest
 import com.v2ray.ang.dto.entities.AssetUrlCache
@@ -14,7 +15,7 @@ import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import java.io.File
 
-class UserAssetViewModel : BaseViewModel() {
+class UserAssetViewModel(application: Application) : BaseViewModel(application) {
     private val assets = mutableListOf<AssetUrlCache>()
     private val builtInGeoFiles = listOf(AppConfig.GEOSITE_DAT, AppConfig.GEOIP_DAT, AppConfig.GEOIP_ONLY_CN_PRIVATE_DAT)