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I am new in react native, I have followed all the instruction as in react native getting started guide. When i enter the 'npx react-native run-android' command. The metro server starts and gives an error.
Metro server error image
Visual Studio Code terminal error
My node and jdk version are the same as mentioned on their website.
node and jdk version
Android sdk versions are also same.
android sdk
I have also tried it on my physical device same error occurs every time.
environment variable is also added.
[Environment variable] (https://i.stack.imgur.com/m8ik1.png)
i have a project using expo version 30.0.1 i don't want that to change the app was created using CRNA when i try to run npm start and i choose ios or android the expo mobile app on the simulator always gives me an error saying the experience you requested uses Expo SDK v(null) but this copy of Expo Client requires that at least v34.0.0. the author should upgrade their experience to a newer Expo SDK version now i want to run the app as it is with the older expo version, how can i achieve that?
i tried uninstalling the Expo Client app from the simulator but when it reinstalls it installs the newer Expo client app on the simulator. is there a way to tell Expo to install the Expo client on the simulator based on the current projects Expo version?
iOS: according to the Expo support; it’s not possible to downgrade the expo client app on a device (apple does not let you distribute multiple versions of an app at the same time on the app store), but you can install it on your simulator by running expo client:install:ios in your project directory.
Android: you may download the required version from here and install the APK. There is more info here if needed.
I am new to React Native and I install React Native and I want to test using y device (Realme 2).
Using USB debugging, but I am stuck on this same mobile using Android Studio runs in ADB.
This stucks at this position I await multiple 15m
info Starting JS server...
info Installing the app...
Configure project :app
File C:\Users\Muhammed Sajid Ali.android\repositories.cfg could not be loaded.
Checking the license for package Android SDK Platform 28 in D:\sajid\AndroidSdk\licenses
License for package Android SDK Platform 28 accepted.
Preparing "Install Android SDK Platform 28 (revision: 6)".
<======-------> 50% CONFIGURING [15m 0s]
:app
I solved this.
I earlier installed the Android SDK 8, 7.4.4, and 9 versions, but my mobile was 8.1. That’s why
it didn't start and it was downloading SDK 8.1. As I saw in the Android SDK folder, there was a new folder with some files.
Then I downloaded the 8.1 SDK, and it ran perfectly.
I think that was no problem with your compiler behavior, but I can suggest you to check if installing the app from USB is permitted in your phone's developer option and try to trigger the compiler with pressing return key (or enter) on the command line. That was working on mine.
Warning in Google Play:
This release is not compliant with the Google Play 64-bit requirement
The following APKs or App Bundles are available to 64-bit devices, but they only have 32-bit native code: 1.
From August 1, 2019 all releases must be compliant with the Google Play 64-bit requirement.
Include 64-bit and 32-bit native code in your app. Use the Android App Bundle publishing format to automatically ensure that each device architecture receives only the native code it needs. This avoids increasing the overall size of your app.
How to fix this problem?
What I have already tried is to add ndk.abiFilters in gradle
ndk.abiFilters 'armeabi-v7a','arm64-v8a','x86','x86_64'
when I created apk, app started crashing immediately.
You have to upgrade your react native. For expo follow react native docs. For react native without expo You can use these commands:
sudo npm install -g react-native-git-upgrade
Then
react-native-git-upgrade
I am deploying an app built with React Native and Expo to Play Store and the following error appears:
This release is not compliant with the Play 64-bit requirement.
The following APKs or App Bundles are available to 64-bit devices, but they have only 32-bit native code: 1. From 1 de agosto de 2019 all releases must be compliant with the Play 64-bit requirement.Include 64-bit native code in addition to 32-bit native code in your app. Use the Android App Bundle publishing format to automatically ensure that each device architecture receives just the native code it needs.
My Expo version is 27.0.1
Regarding this post https://github.com/facebook/react-native/issues/2814 react-native v0.59 is 64bit compliant (https://facebook.github.io/react-native/blog/2019/03/12/releasing-react-native-059)
and Expo 27 support react-native v0.55.
I'm not an expert with Expo, but can you manually upgrade react-native to v0.59 ? or maybe wait a new version of Expo ?
On July 16th 2019 they stated in 64-Bit Support and Android App Bundles:
We want to let you know that you can now build 64-bit support-enabled .apks that also make use of Android App Bundles (AABs) with SDK33 projects and, of course, with SDK34 upon its release. (Since SDK33 is the first Expo SDK version that uses React Native 0.59, the React Native version that allows for 64-bit support, prior versions of the SDK can’t be updated.)
These updates help us support your new submissions to the Google Play store, which will need to have 64-bit support starting August 1st. Your existing apps won’t need to upgrade to include 64-bit until you need to submit your next app update (though SDK33 has a lot of other fun things you might enjoy!).
Ensure you are running the latest version of expo-cli by running yarn global add expo-cli or npm install -g expo-cli.
Currently, there is no way to fix this. But the Expo Team promised ...
... to add this feature [64-bit binaries] before the deadline.
see here: https://forums.expo.io/t/does-expo-package-64-bit-version/18947