iOS is surprisingly awful at providing a decent default keyboard for developers.
If you’ve worked in NativeScript apps for more than a few hours, you’ve probably hit the situation in the gif below at least once. Note how I move focus to the second form field, and then the keyboard moves over the input, covering the input. Luckily, there’s a library you can install quickly to help. Read more about Customizing the iOS Keyboard in Your NativeScript Apps.