When I am running react native in xcode, my error screen is white. See screenshot. If I highlight one of the rows, I can then see the text. But this seems pretty odd. Any ideas what would have caused this? Wasnt always the case.
I recently had the same issue, and I used git bisect to find the commit where the problem was introduced. In my case I found that when we changed our launch screen from being a .XIB (LaunchScreen.xib) to a Storyboard (LaunchScreen.storyboard) it caused my error screen to look like yours, so reverting those changes fixed it for me.
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So ErrorBoundaries are a pretty cool thing and all,
but in Development, they show a red (dismissible) Error Screen by default which always needs to be dismissed, before the Fallback-Component is revealed.
This is fine since it doesn't happen in release builds, yet incredibly annoying for testing error states.
Is there a way to disable the red screen in React Native?
All suggested answers in this thread haven't worked for me.
Would be very thankful for any help!
Thanks a lot!
A lot of iOS users (mainly iOS 15, but iOS 14 also) started to report a strange behaviour: while they're typing in the login screen or signup screen, the app became blank.
Watching the videos provided, it seems that a white "something" (like a modal, but not a modal) comes from the bottom at any time they are writing inside text input and cover the full app, so the only thing the user can do it's to kill the app.
It's impossible for us to recreate this behaviour (both on simulator than real devices).
Any idea or any known issue?
react-native version: 0.63.4
Found:
It's a well-known bug of KeyboardAvoidingView on iOS when user enables "Prefer Cross-Fade Transitions". They just forgot to solve it or, at least, add a warn on KeyboardAvoidingView documentation.
https://github.com/facebook/react-native/issues/29974
(thank you Wilson!)
I'm new to React Native and I'm having problems in both platforms with react-native-maps Callout. I'm using Apple maps on iOS and Google ones on Android. Callout shows title and image.
On iOS when I have several markers in the map, and some of them are very near each other, when clicking the marker the callout shows for a second but then it hides and shows the one from the nearest marker. I have searched for a solution and found people using some workarounds like setting pointerEvents="auto" but nothing worked for me.
On Android when clicking the marker the callout shows correctly but the image is not shown. I also searched and found a workaround including the image inside a but this didn't work for me at all, it works better, because the image is shown most of the times, but not always. So for now I'm only showing the title on Android.
I have tried using last react-native-maps version 0.28.0 and same behavior. I haven't tried Google Maps on iOS, I think that will be the following step if I can't find a solution.
I also tried react-native-mapbox-gl and works fine on iOS, the Callout shows correctly with title and image, but on Android I install the app and it opens for a second and then closes throwing MainActivity not found error. If I go back to the previous commit without react-native-mapbox-gl then it installs and opens correctly. I have thought also about using react-native-mapbox-gl on iOS and react-native-maps on Android. But, is it really so hard this to work with maps in React Native?
Thanks in advance.
I had the same issue and solved it adding this to the Marker
anchor={{x: 1, y: 1}}
pointerEvents="auto"
I have a question I am trying to create a database from a tutorial that I have posted on here. The problem that I keep having is that when I build the project the project is built successfully. However when the IOS simulator pulls up to show me the UI I have a black screen. I have doubled checked that my connections to my storyboards are correct. and still my UI still not displaying. I have made sure that I had my sqlite library connected within the project and it is. This is a single view application for an IPAD. I have searched ways of finding issues within my code and I have done breakpoints to see where my application breaks. and This is what I have found.
this is where my application breaks because is the first screen that it pops after I have started the IOS simulator. I do not know how to fix this.
this screen basically tells me that there is something wrong with the UIwindow alloc. For some reason is breaking here and I do not know why.
This last screen shot is not that great to interpret especially if its in numbers.
Please help. I will be posting more screen shots if needed at this point I need all the help that I can get. I did not think that it would be difficult to create and link a db.
If you are using storyboards you need to remove all the code in didFinishLaunchingWithOptions and just return YES. Also set your main storyboard file appropriately in the plist file.
In my app I have set custom image for segment control. Image shows up very well on the simulator but not on the device. I checked all possible ways and tried what ever was answered for this issue earlier for the issues same as I have now. But still I can't locate exact solution for this. Can anyone help please.
Did you try removing/readding the image? As far as I know, the simulator has its own cache, if the image has been removed somehow, that may be why its showing up.
You may try:
Remove the image from xcode, and re-adding it
Making a clean build
Remove the image from "bundle resources", (see: https://stackoverflow.com/a/12741872/936957) and readding it
Quitting / restarting xcode
One of them should help