Merge pull request #320 from dynamsoft-docs/preview

update to internal commit 0a512fb7

Author: Dynamsoft-Jerson

programming/android/user-guide.md

@@ -6,8 +6,6 @@ keywords: user guide, java, kotlin, android
 needAutoGenerateSidebar: true
 needGenerateH3Content: true
 noTitleIndex: true
-multiProgrammingLanguage: true
-enableLanguageSelection: true
 ---
 
 # Android User Guide for Barcode Scanning

programming/objectivec-swift/api-reference/barcode-scanner/barcode-scanner-view-controller.md

@@ -48,7 +48,7 @@ Sets or returns the barcode scanner configurations of type [`DSBarcodeScannerCon
 ```objc
 @property (nonatomic, strong, readwrite) DSBarcodeScannerConfig * config
 ```
-1. 
+2. 
 ```swift
 var config: BarcodeScannerConfig = .init()
 ```
@@ -65,7 +65,7 @@ A property that holds a Block. The block is a callback that takes a single param
 ```objc
 @property (nonatomic, copy, readwrite) void (^)(DSBarcodeScanResult *) onScannedResult
 ```
-1. 
+2. 
 ```swift
 var onScannedResult: ((BarcodeScanResult) -> Void)?
 ```

programming/objectivec-swift/user-guide.md

@@ -6,8 +6,6 @@ keywords: user guide, objective-c, oc, swift
 needAutoGenerateSidebar: true
 needGenerateH3Content: true
 noTitleIndex: true
-multiProgrammingLanguage: true
-enableLanguageSelection: true
 ---
 
 # iOS User Guide for Barcode Scanning