I was working with someone on a project and he give me the access for the project I clone it perfectly and I easy install the node module but when i try to run the project in emulator I face this issue when is not resolving at all.
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After running npx expo run:android once, the app was pushed to the device and the app started up.
I then uninstalled the app on the device and then when I run npx expo run:android once again I get the error:
CommandError: No development build (<package-name>) for this project is installed. Please make and install a development build on the device first.
Learn more: https://docs.expo.dev/development/build/
I started another dummy project with another package name and the same thing can be reproduced after uninstalling once.
The built app is not installing once again on the Android device and then starting up.
The docs referenced in the error states https://docs.expo.dev/development/build/#locally-with-xcode-and-android-studio the following:
If you are comfortable setting up Xcode, Android Studio, and related dependencies, you can build and distribute your app the same as any other iOS or Android app.
The npx expo run commands will create a new build, install it on to your emulator or device, and start running it.
Not sure what I am doing wrong. Any help is appreciated.
I use react-native with actual version and have tried to create a simple project. But while trying to create it by using
expo init AwesomeProject
the whole process hangs.
I have tried to look for a solution by searching on the internet but without any luck.
The error could be seen in the following screenshot:
That error generally means that a file is being accessed by two different things at 'around' the same time. And 90% of those times it is because of an anti-virus or similar.
Its a permission error, so my advice, try to do it after a fresh reboot and boot the powershell as admin, disable antivirus etc..
If still does not work reinstall nodejs/npm.
I had the same experience. The project gets created using React-native. When you try to run it, the 'Metro' interface comes up. There is an android phone on the USB drive which has previously been used to run Android Studio created projects successfully. However, on the command shell the app hangs in Metro.
While trying to run the project from Android Studio snow cat, there are build errors (red) in the App manifest file and there is this exception.
Build failed due to java.lang.NullPointerException
Installed expo-cli (C:\Reactive-native>npm install -g expo-cli). The app fails to run and hangs on the connected Android phone(Samsung 21) using the Expo Go client. This client has no problem having been tested in Snackbar.
I have a question in the Expo forum and probably someone will answer!
Anyone here managed to integrate viro-react into react-native project? I followed the instruction in
the documentation
After that, I executed the project but not able to run.
This is the error that I got
Even though I run with gradlew installOvrDebug, still it failed.
If your configurations are correct then try running with any of these variants
ArDebug, GvrDebug or OvrDebug
Example running apllication with Augmented Reality:
Android
react-native run-android --variant=ArDebug
iOS
react-native run-ios --variant=ArDebug
I solved this problem with the following method:
Go to the Navigate to the node_modules/react-native/local-cli/runAndroid/runAndroid.js file and edit the lines that include installDebug change it to installArDebug
Go to the terminal and npm start
Open another terminal and react-native run-android
*Make sure that your device is plugged in and that you have android studio sdk paths in your environment variables. This should do the trick!
Everytime I try to launch a react native project I got this error
Could not install the app on the device, read the error above for
details. Make sure you have an Android emulator running or a device
connected and have set up your Android development environment
I reinstalled nodejs, python and jdk using choco as suggested on official docs. Every single packages is installed as well as sdk 23.0.1
I can see my virtual device if I run adb devices USB debugging is activated and it's running android 6.
I setup ANDROID_HOME path in environment variables, I'm using same sdk path as you can see in the picture. I also setup another one for JAVA_HOME and Python.
My PATH looks like this:
I just don't understand what I'm supposed to do. I'm using a surface pro 4, Windows 10. I can run projects using expo. I literally tried everything, restart computer, start cmd using admin, create new virtual devices, uninstall everything and start from scratch, it just don't work.
You have pointed out two issues; first, make sure you have an android emulator running. To do that, you run adb devices and you say you can see you device.
The other issue is with the environment. To make sure your environment is setup properly for android, go to the root of your react-native project. Open the android project using android studio.
All errors with your environment will show up, use the automatic fixes provided by android studio. Clean the project in android studio. Close studio and go back to command line, run react-native run-android
Everything should work now.
When doing react-native start it will intentionally hang at "Loading dependency graph" (its not really hanging, its just waiting to receive build/bundle signals). This is correct. You have to open a second terminal then do react-native run-android.
If you get errors, then cd android in your project folder then run ./gradlew clean, then after that do another react-native start then react-native run-android.
Solution is to delete all java JDK and reinstall v8 / change JAVA_HOME to the new path.
Also changing gradle-wrapper.propertiesfile for each project you want to run
# update gradle to latest version
distributionUrl=https\://services.gradle.org/distributions/gradle-4.4.1-all.zip
Sometimes it dosen't compile with v4 so I have to use v3. React native is definitely confusing.
after install dan update environment JDK now I can install app on my device
I am trying to deploy my react-native app to android. I follow the steps on this page
https://facebook.github.io/react-native/docs/signed-apk-android.html.
When I try to run it, it tells me
not such file or directory '.../assets/index.android.bundle'
or I get
Task 'installReleaseDebug' not found in root project 'awezaEduApp'
Using Windows 10 and react-native 0.39.2
OUTCOME
I ended up having to reformat my laptop for other reasons and when i repeated the signing process it worked. On account of my previous efforts, prior to reformatting, I would presume that Eldelshell's answer would have solved it.
Note: I think that running gradle tasks in Android Studio's terminal would also work.
You need to execute react-native run-android at least once. Don't worry if it fails because you don't have the emulator running.
or I get Task 'installReleaseDebug' not found in root project 'awezaEduApp'
You have to execute gradle inside the android folder.
Task 'installReleaseDebug' not found in root project 'awezaEduApp'
For RN 0.39.x, you have to run the following for release build:
react-native run-android --configuration=release