native-forms | Build forms , surveys and polls for React Native apps | Form library
kandi X-RAY | native-forms Summary
kandi X-RAY | native-forms Summary
Build forms, surveys and polls for React Native apps.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of native-forms
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QUESTION
I'm a bit confused after checking out this article on Xamarin Native Forms. I'm currently using Xamarin for a project, that is created as shared project and does not have any platform specific contents. So my pages and business logic are located inside my shared project, android, iOS and UWP projects don't contain additional stuff.
Would I gain any advantages from moving the shared pages to each platforms project as described in the blogpost? This seems kind of unneccessary to me as I'd have the same code in 3 places.
TL;DR:
What are the advantages of using Xamarin Native Forms (see link) vs. shared project regarding code duplication & performance.
...ANSWER
Answered 2018-Jan-08 at 11:45Seems like you are confused.
Native Forms is a relatively new feature that allows you to use Xamarin.Forms with classic / native Xamarin. You can read more about in the link you provided.
Shared Project is a way to share the business logic across the native applications. There are different "Code Sharing Options" that are nicely explained in the official documentation. Each of this code sharing options has their own advantages and disadvantages. Get familiar with the official documentation and if you still will have questions just ask.
QUESTION
I am trying to get value from a component but keep getting undefined refs. Here is my code. From a function onClickSave(), I have tried to get this.refs to get a value of ref "input" in TextInputCell component but it's undefined. Is my code incorrect?
...ANSWER
Answered 2017-Oct-05 at 15:39First thing that you are not handling events correctly. To use this
in your events you need to bind this
. Arrow functions bind it itself but you can bind manually to. More information is here.
You have to be careful about the meaning of
this
in JSX callbacks. In JavaScript, class methods are not bound by default. If you forget to bindthis.handleClick
and pass it to onClick, this will be undefined when the function is actually called.
Second thing string refs are not suggested anymore. You should use functional ones. More info about that here.
Legacy API: String Refs
If you worked with React before, you might be familiar with an older API where the ref attribute is a string, like "textInput", and the DOM node is accessed as
this.refs.textInput
. We advise against it because string refs have some issues, are considered legacy, and are likely to be removed in one of the future releases. If you’re currently usingthis.refs.textInput
to access refs, we recommend the callback pattern instead.
Example
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