Reference: Xcode 10 libfishhook.a cannot be found When I updated Xcode to 10.0, I got the above error and couldn't compile ReactNative. RTCWebSocket.xcodeproject -> RCTWebSocket -> Select Build Phases -> Add libfishhook. Read more

I created a Tab that contains a ListView in Kotlin. This is the web page I used as a reference. It's a very good article, so please see his article from this one. Read more

Sample code to display the group style table view. The settings screen looks like this.

With the arrival of the iPhoneX, I've become more concerned with the layout of the iPhoneX (getting SafeArea). SafeArea can be obtained by referring to the safeAreaInsets property in the viewDidLayoutSubviews method. Read more