Missing Realm constructor. Did you run "react-native link realm"? Please(...)

Goals

Build under Ubuntu, on Android emulator, simple react-native project, which imports realm

Expected Results

Application runs without problems

Actual Results

Emulator(red screen of death): Missing Realm constructor. Did you run “react-native link realm”? Please see https://realm.io/docs/react-native/latest/#missing-realm-constructor for troubleshooting

Console: Missing Realm constructor. Did you run “react-native link realm”? Please see https://realm.io/docs/react-native/latest/#missing-realm-constructor for troubleshooting Module AppRegistry is not a registered callable module (calling runApplication)

Steps to Reproduce

Install Ubuntu 17.04/ get RN up and running/ using Webstorm create new RN project/ add import realm from 'realm' line to your code/ run react-native link realm and check that everything is linked properly/try building

Code Sample

MainApplication.java

import io.realm.react.RealmReactPackage;
...
@Override
    protected List<ReactPackage> getPackages() {
      return Arrays.<ReactPackage>asList(
          new MainReactPackage(),
            new RealmReactPackage()
      );
    }
...

settings.gradle

...
include ':realm'
project(':realm').projectDir` = new File(rootProject.projectDir, '../node_modules/realm/android')
...

build.gradle
...
dependencies {
    compile project(':realm')
...

Version of Realm and Tooling

• Realm JS SDK Version: 1.13.0
• Node: 6.11.2
• React Native: 0.49.3
• Client OS & Version: Ubuntu 17.04
• React: 16.0.0-beta.5
• Web Storm: 2017.2.2

Remarks

Other module, specifically SplashScreenReactPackage which also needs adding package to getPackages() in MainApplication.java works correctly.

[damir-sirola]

I had the same problem today. I managed to get it working by:

1. deleting ios and android folder
2. recreating them with react-native eject
3. link dependencies again with react-native link

[gusterwoei-veltra]

Are you using wix/react-native-navigation? If you are there will be 2 getPackages() methods in your MainApplication.java, do make sure both methods are returning new RealmReactPackage().