bugfix: user lists management

Author: Lennoard

app/src/main/kotlin/com/androidvip/sysctlgui/ui/export/ExportOptionsViewModel.kt

@@ -138,10 +138,9 @@ class ExportOptionsViewModel(
         context: Context
     ): Result<Unit> = withContext(ioDispatcher) {
         return@withContext runCatching {
-            val descriptor = context.contentResolver.openFileDescriptor(target, "w")
-                ?: throw IOException()
-
-            exportParamsUseCase(descriptor.fileDescriptor)
+            context.contentResolver.openFileDescriptor(target, "w").use {
+                exportParamsUseCase(it!!.fileDescriptor)
+            }
         }
     }
 
@@ -150,10 +149,9 @@ class ExportOptionsViewModel(
         context: Context
     ): Result<Unit> = withContext(ioDispatcher) {
         return@withContext runCatching {
-            val descriptor = context.contentResolver.openFileDescriptor(target, "w")
-                ?: throw IOException()
-
-            backupParamsUseCase(descriptor.fileDescriptor)
+            context.contentResolver.openFileDescriptor(target, "w").use {
+                backupParamsUseCase(it!!.fileDescriptor)
+            }
         }
     }
 

app/src/main/kotlin/com/androidvip/sysctlgui/ui/params/user/UserParamsViewModel.kt

@@ -61,6 +61,7 @@ class UserParamsViewModel(
 
     fun setBaseFilterPredicate(predicate: ParamFilterPredicate) {
         baseFilterPredicate = predicate
+        currentFilterPredicate = baseFilterPredicate
     }
 
     private fun delete(kernelParam: KernelParam) {