Questions tagged [react-native-cli]
The react-native-cli tag has no usage guidance.
react-native-cli
256
questions
346
votes
71
answers
316k
views
Unable to load script.Make sure you are either running a Metro server or that your bundle 'index.android.bundle' is packaged correctly for release
react-native run-android command terminates by leaving a message in android simulator. The message is as follows:
Unable to load script.Make sure you are either running a Metro server or that your ...
- 3,501
180
votes
23
answers
191k
views
How to resolve the error on 'react-native start'
I just installed node.js & cli
installed node.js
installed react-native-cli
npm -g react-native-cli
And created a 'new project'.
react-native init new_project
and inside that 'new_project' ...
- 1,801
125
votes
20
answers
122k
views
Unable to resolve module `@babel/runtime/helpers/interopRequireDefault`
When creating a new React Native project using the standard react-native init MyApp and running react-native run-ios for the first time, I'm seeing the following error :
error: bundling failed: Error: ...
- 3,107
86
votes
24
answers
134k
views
Cannot read properties of undefined (reading 'transformFile') at Bundler.transformFile
I have updated node today and I'm getting this error:
error: TypeError: Cannot read properties of undefined (reading 'transformFile')
at Bundler.transformFile (/Users/.../node_modules/metro/src/...
- 7,855
68
votes
0
answers
48k
views
What is the difference between Expo CLI and React Native CLI? [duplicate]
React Native provides two way to create Project.
First:
npm install -g expo-cli
Second:
npm install -g react-native-cli
so what is different between them and what should be used if we create ...
- 2,191
64
votes
32
answers
134k
views
'No apps connected. Sending "reload" to all React Native apps failed. Make sure your app is running in the simulator or on a phone connected via USB.'
My React Native application running on a physical device has some problems.
The Metro bundler console gives a warning :
warn No apps connected. Sending "reload" to all React Native apps ...
- 1
56
votes
7
answers
73k
views
Run a React Native iOS release build from terminal
I am trying to run the release build directly from the terminal and I did not found an option to do that.
From XCode what is required to do is:
Product -> Scheme -> Edit Scheme (cmd + <), make ...
- 10.1k
40
votes
8
answers
25k
views
Error: `fsevents` unavailable (this watcher can only be used on Darwin)
I'm cloning an existing react native app in my local environment, but every time I run react-native run-ios I get the following error:
** BUILD FAILED **
The following commands produced analyzer ...
- 567
27
votes
10
answers
30k
views
react-native start giving Invalid regular expression invalid error
I followed following link to get started with react-native
Getting started with react native
I tried to create native app without expo
so i as per documentation i followed following command
npm ...
user4241989
25
votes
14
answers
82k
views
How to Get SHA-1 key in React Native cli?
In React Native when I'm trying to get Google GPS API key in Google console, I have seen package name and SHA-1 key where to I get SHA-1 key in React Native
How to get SHA-1 key in React Native cli? (...
- 10.6k
23
votes
2
answers
25k
views
How to run react-native run-ios with specific target
Is there a way to run a specific target with command
react-native run-ios
for Android I'm using following
react-native run-android --variant=targetRelease
- 3,784
15
votes
5
answers
6k
views
Since upgrading to Xcode 10.2 I can no longer run react-native run-ios through the cli
I upgraded to Xcode 10.2 today, since upgrading I can't run react-native run-ios through the cli:
react-native run-ios --simulator="iPhone X"
Found Xcode workspace a.xcworkspace
Could not find ...
- 1,937
12
votes
6
answers
52k
views
Deprecated Gradle features were used in this build, making it incompatible with Gradle 6
I try to get Apk in react-native however it doesn't give me anything. release file which is in Apk file is empty and after Gradlew bundle release is finished, it says
Deprecated Gradle features ...
11
votes
6
answers
19k
views
Why react-native-cli giving errors?
I recently installed react native cli globally. When i tried to start a project using react-native init projectname or npx react-native init projectname it started downloading packages and creating ...
- 121
10
votes
1
answer
10k
views
How to upgrade core-js@3 in react-native cli?
I am trying to create new project with react-native cli, but when I create a new project I am receiving the following error message:
react-native > create-react-class > fbjs > [email protected]: core-...
- 113
9
votes
1
answer
6k
views
Error: Redefinition of module 'fmt' & 'folly'
Im trying build my react native app with cli and this error log appear. Xcode builds are solid and no error occurs.
Here is part of log:
2 errors generated.
While building module 'Foundation' imported ...
- 313
7
votes
2
answers
4k
views
How to watch react-native node_modules changes
When I run react-native start or npm start the packager starts and prompts to be Looking for JS files in /Users/map/repos/myrepo/
I've got Hot reloading enabled. When I change a file located within /...
- 4,594
7
votes
1
answer
5k
views
React-Native change default location of iOS and Android folder
According to the react-native cli documentation we can specify custom configuration based on each platform for RN cli.
I want to change the default location of each platform folders so I added my ...
- 2,038
6
votes
3
answers
11k
views
React Native version check
I wanted to check the version of the react native I was using in my project when I used the command from my root folder :
D:\Reactnative\Albums>npm view react-native version
0.56.0
The version ...
- 941
5
votes
2
answers
17k
views
Why does command 'react-native run-ios' build fail after upgrade to 0.63.3?
I just updated to RN v0.63.3. I was having issues with react-native run-ios on previous react-native version after changing the name of the app, and the project/schemes had different names, never got ...
- 2,242
5
votes
2
answers
429
views
SyntaxError: You can only use Class Properties when the 'classProperties' plugin is enabled
I am getting the following syntax error when I initialize an app using react-native init MyApp
SyntaxError: /Users/MyAccount/RNProjects/app/node_modules/react-native/packager/react-packager/src/...
- 7,914
5
votes
2
answers
13k
views
how to upgrade react-native-cli?
Check current react native CLI version
react-native -v
react-native-cli: 1.0.0
react-native: 0.61.5
I use the following commands to upgrade global react-native-cli verison
npm uninstall -g react-...
- 171
5
votes
0
answers
1k
views
react-native -cli installation error
I'm trying to install react-native-cli by using the following command:
C:\WINDOWS\System32>npm install -g react-native -cli
and I'm getting the following errors, can someone help on this matter? ...
- 65
4
votes
2
answers
8k
views
react native ios build fails with error - 'EXUpdates/EXUpdatesAppController.h' file not found
react native ios build fails with error
'EXUpdates/EXUpdatesAppController.h' file not found
file used in AppDelegate.h
#import <Foundation/Foundation.h>
#import <EXUpdates/...
4
votes
1
answer
7k
views
Where to find documentation on `react-native.config.js` file?
I have created new React Native project using its CLI. One of the generated files is react-native.config.js. I cannot find any documentation on it. It's not mentioned on the React Native website and I ...
- 615
4
votes
2
answers
14k
views
What is purpose of latest doctor command in React Native
I was checking latest react native blog in which they introduced doctor command for react native.
the only thing i can understand from there is do envoirnment stuff for you. ?
But i don't understand ...
- 2,445
4
votes
1
answer
9k
views
react-native-video shows blank screen in my app without any error log
I am using react-native-cli and in my app, react-native-video doesn't work in my page. It shows blank space. I have already run react-native link command to link libraries and after I have run react-...
- 2,225
4
votes
1
answer
2k
views
Listing packages linked with react-native link
I need to be able to see which packages I have linked with react-native link <dependency-name> to write some documentation for other devs on my team.
I didn't previously document every package ...
- 149
4
votes
2
answers
369
views
react-native init not working for react-native 0.57.1 on windows
I am using react-native-cli 2.0.1 and react-native 0.57.1 on windows 10.
However, when I create a project with react-native init projectname and try to run it with react-native run-android I get ...
- 333
4
votes
5
answers
14k
views
EPERM: operation not permitted, chmod @react-native-community iOS
I am using React v16.8.6 and react-native v0.59.6. iOS.
While typing react-native --version or anything prefix with react-native, it is showing the following error.
internal/fs/utils.js:220
throw ...
- 1,163
4
votes
2
answers
417
views
Native React - VS Studio Code - npm run android - Execution failed for task ':app:checkDebugAarMetadata'
I have been getting this error when trying to run npm android build on my native react project. I have gone through the entire android setup along with updating Environment variables. The emulator ...
- 255
4
votes
0
answers
619
views
Error calling JSTimersExecution.callTimers in react-native
I am stuck with this error type in react-native. please find the attached screenshot. Please guide me to solve this error.
I am using
react-native-cli: 2.0.1
react-native: 0.44.0
- 1,023
4
votes
1
answer
366
views
React native run-ios ignoring simulator option
using the following commands my last used simulator iPhone 8 Plus (iOS 13.2) is used. Any thoughts on how to work out why the specified simulator is not launching?
npx react-native run-ios --...
- 55
3
votes
2
answers
6k
views
`react-native init app` is not working in React-Native 0.56
React Native 0.56
I have already installed react-native-cli globally, and when I try to create a new project using react-native init myapp , I'm getting an error.
This is the error I face.
env:- ...
3
votes
2
answers
12k
views
React Native Pod Error - [!] Invalid `Podfile` file: 767: unexpected token at ''. | Related Issue #448
I have already tried : #448
Environment
System:
OS: macOS 10.15
CPU: (4) x64 Intel(R) Core(TM) i5-4250U CPU @ 1.30GHz
Memory: 30.63 MB / 4.00 GB
Shell: 3.2.57 - /bin/sh
Binaries:
Node: 10.15.3 - /...
- 875
3
votes
2
answers
3k
views
react-native run-ios without build
How can I run the application without rebuilding the project (of course the app is installed on the relevant simulator from previous run)
I run the application on iOS (for instance) like this:
react-...
- 12.8k
3
votes
4
answers
5k
views
react-native android project not found error
I am trying to create a react-native project using react-native cli. Command I used to create project
npx react-native init test
After this if I try to run this app by
cd test & npx react-...
3
votes
2
answers
2k
views
Why am I receiving a cannot read property `UIAppFonts of null` error when running react-native link?
I am trying to implement custom fonts in a react native application. I am using react native web and can see the custom fonts working on web but not in native. I am working on an Android app but the ...
- 121
3
votes
1
answer
3k
views
Unmet peer dependency React Native CLI Init
I am trying to init a new react native project via the React Native CLI. I am on the most recent version (2.0.1)
Then, I run the standard React Native Init command and the new project builds with all ...
3
votes
1
answer
926
views
Property 'passwordRules' not found on object of type 'UIView<RCTBackedTextInputViewProtocol> *'
Getting these errors on initializing a new react native app:
Property 'passwordRules' not found on object of type 'UIView *'
Use of undeclared identifier 'UITextInputPasswordRules'
Steps to ...
- 2,657
3
votes
2
answers
1k
views
Yarn or npm? for installing dependencies in react-native
what should I use to install react-native dependencies? yarn or npm, in my case npm have some problems with some of dependencies.
Sometimes i use npm to install these, but i am still confused to ...
- 93
3
votes
1
answer
1k
views
React Native app fails to run after installing react-native-iap
I have an otherwise working React-Native app but need to include in-app purchases for it to be accepted on the app store.
After a little Googling, it looks like react-native-iap is pretty much the ...
- 119
3
votes
1
answer
1k
views
Change console.log timestamp in react-native or nodejs apps
After recent updates the log format in the console on react-native and maybe node apps, has become like:
This results after doing a simple console.log() call.
In previous versions the timestamp ...
- 9,020
3
votes
0
answers
2k
views
React Native error Task :app:checkDebugAarMetadata | Execution failed for task ':app:checkDebugAarMetadata'
[Whenever I enter the command npx react-native run-android, I get the following: Task :app:checkDebugAarMetadata FAILED
Build failed
I have never gotten my app to build and run successfully on my ...
- 31
3
votes
1
answer
2k
views
Run react-native cli in bazel build
I'm setting up a Bazel build for a React-Native Android project. Since I won't be using Android Studio and Gradle I need to call the react-native cli to create the RN bundle. I've tried several ...
- 31
3
votes
0
answers
755
views
React Native 0.61 still requires me to link native modules
Recently I have upgraded to a version of React Native which is >=0.60. From the release notes I can now see Native modules are "autolinked". So there is no need to use react-native link every time ...
- 1,001
3
votes
0
answers
628
views
React native iOS unable to autolink in yarn workspaces
I created a project with react native 0.60.4 in a monorepo (using yarn workspaces). The project has de following structure:
project
|
|- node_modules
|- packages
|-react-native-app
|...
- 1,133
3
votes
0
answers
2k
views
Cannot launch or install app on ios Simulator , even after build and bundle success
I have been using react-native-cli to create and test app on linux, But recently i switched to mac with High Sierra. I installed Xcode properly and its command line. and every thing as required to run ...
- 522
3
votes
1
answer
2k
views
Link non-font assets using rnpm
There are plenty of tutorials on including font assets using rnpm. These are the steps:
Put fonts in, say, ./assets/fonts
Add the following snippet to package.json:
"rnpm": {
"assets": [
"./...
- 10.1k
3
votes
1
answer
1k
views
React Native naming collision error when running packager, caused by "lodash" and "yeoman-generator"
Description
In my project I am using "react-native": "0.36.0" and among the dependencies:
"lodash": "^4.15.0"
"yeoman-generator": "^0.24.1"
When using versions higher than "^3.10.1" for "lodash" ...
- 478