Fix flashback caused by process

android/app/src/main/kotlin/com/follow/clash/GlobalState.kt

@@ -15,6 +15,7 @@ enum class RunState {
 class GlobalState {
     companion object {
         val runState: MutableLiveData<RunState> = MutableLiveData<RunState>(RunState.STOP)
+        var runTime: Date? = null
         var flutterEngine: FlutterEngine? = null
         fun getCurrentTilePlugin(): TilePlugin? =
             flutterEngine?.plugins?.get(TilePlugin::class.java) as TilePlugin?

android/app/src/main/kotlin/com/follow/clash/plugins/ProxyPlugin.kt

@@ -25,6 +25,7 @@ import io.flutter.embedding.engine.plugins.activity.ActivityAware
 import io.flutter.embedding.engine.plugins.activity.ActivityPluginBinding
 import io.flutter.plugin.common.MethodCall
 import io.flutter.plugin.common.MethodChannel
+import java.util.Date
 
 
 class ProxyPlugin : FlutterPlugin, MethodChannel.MethodCallHandler, ActivityAware {
@@ -93,6 +94,10 @@ class ProxyPlugin : FlutterPlugin, MethodChannel.MethodCallHandler, ActivityAwar
             }
         }
 
+        "GetRunTimeStamp" -> {
+            result.success(GlobalState.runTime?.time)
+        }
+
         "startForeground" -> {
             title = call.argument<String>("title") as String
             content = call.argument<String>("content") as String
@@ -118,6 +123,7 @@ class ProxyPlugin : FlutterPlugin, MethodChannel.MethodCallHandler, ActivityAwar
         if (GlobalState.runState.value == RunState.START) return;
         flClashVpnService?.start(port, props)
         GlobalState.runState.value = RunState.START
+        GlobalState.runTime = Date()
         startAfter()
     }
 
@@ -126,6 +132,7 @@ class ProxyPlugin : FlutterPlugin, MethodChannel.MethodCallHandler, ActivityAwar
         flClashVpnService?.stop()
         unbindService()
         GlobalState.runState.value = RunState.STOP;
+        GlobalState.runTime = null;
     }
 
     @SuppressLint("ForegroundServiceType")