Questions tagged [react-native]
React Native is a JavaScript library used to build native mobile apps using React. The focus of React Native is on developer efficiency across all the platforms you care about - learn once, write anywhere.
124,807
questions
928votes
46answers
337kviews
What is the difference between React Native and React?
I have started to learn React out of curiosity and wanted to know the difference between React and React Native - though could not find a satisfactory answer using Google. React and React Native seems ...
- 11k
685votes
10answers
226kviews
What is the difference between using constructor vs getInitialState in React / React Native?
I've seen both used interchangeably.
What are the main use cases for both? Are there advantages / disadvantages? Is one a better practice?
- 49.8k
601votes
33answers
312kviews
Hide keyboard in react-native
If I tap onto a textinput, I want to be able to tap somewhere else in order to dismiss the keyboard again (not the return key though). I haven't found the slightest piece of information concerning ...
- 6,899
545votes
31answers
431kviews
React Native android build failed. SDK location not found
I have error when i start running android
What went wrong:
A problem occurred evaluating project ':app'.
> SDK location not found. Define location with sdk.dir in the local.properties file or ...
- 5,451
525votes
35answers
669kviews
How can I insert a line break into a <Text> component in React Native?
I want to insert a new line (like \r\n, <br />) in a Text component in React Native.
If I have:
<text>
<br />
Hi~<br />
this is a test message.<br />
</text>
Then ...
- 5,262
448votes
14answers
123kviews
Error Running React Native App From Terminal (iOS)
I am following the tutorial on the official React Native website.
Using the following to build my project:
react-native run-ios
I get the error:
Found Xcode project TestProject.xcodeproj
xcrun: ...
- 5,121
443votes
37answers
390kviews
How to do logging in React Native
How can I log a variable in React Native, like using console.log when developing for web?
- 15.2k
397votes
50answers
373kviews
Unable to load script from assets index.android.bundle on windows
I'm trying to run my first React Native project for first time on my device (Android 4.2.2).
And I get:
unable to load script from assets index.android.bundle
Commands that I used:
cd (project ...
- 4,115
389votes
25answers
303kviews
React Native Error: ENOSPC: System limit for number of file watchers reached
I have setup a new blank react native app.
After installing few node modules I got this error.
Running application on PGN518.
internal/fs/watchers.js:173
throw error;
^
Error: ENOSPC: System ...
- 11.5k
375votes
8answers
86kviews
What is the difference between Hot Reloading and Live Reloading in React Native?
I'm a bit confused here. When I'm debugging a React Native Application, I usually enable both Hot Reloading and Live Reloading. I want to know what is the difference between them?
- 4,093
331votes
14answers
188kviews
How to add icons to React Native app
I am making a React Native app. I would like to customize the app icon (meaning the icon that you click on to start the app). I have Googled this, but I keep finding different types of icons that ...
- 6,429
322votes
6answers
143kviews
What are my options for storing data when using React Native? (iOS and Android) [closed]
I am still new in the React Native world, and generally in the mobile/native world as well, and I am finding the documentation a bit lacking when it comes to data persistence.
What are my options for ...
- 7,976
320votes
48answers
266kviews
How do you debug React Native?
How does one debug their React code with React Native while the app is running in app simulator?
- 4,679
301votes
18answers
380kviews
ReactNative: how to center text?
How to center Text in ReactNative both in horizontal and vertical?
I have an example application in rnplay.org where justifyContent="center" and alignItems="center" is not working:
https://rnplay....
- 10.3k