undefined is not an object (evaluating '_reactNative.BackHandler.addEventListener')

[ghost]

undefined is not an object (evaluating '_reactNative.BackHandler.addEventListener')

componentDidMount
Router.js:26:152

native.js:525:15
measureLifeCyclePerf
ReactCompositeComponent.js:64:11

ReactCompositeComponent.js:362:12
notifyAll
CallbackQueue.js:75:26
close
ReactNativeReconcileTransaction.js:36:4
closeAll
Transaction.js:222:29
perform
Transaction.js:163:24
batchedMountComponentIntoNode
ReactNativeMount.js:78:4
perform
Transaction.js:149:24
renderComponent
ReactNativeMount.js:149:6
renderApplication
renderApplication.js:34:4
runApplication
AppRegistry.js:163:26
__callFunction
MessageQueue.js:244:47

MessageQueue.js:108:26
guard
MessageQueue.js:46:4
callFunctionReturnFlushedQueue
MessageQueue.js:107:10

[ghost]

"react": "16.0.0-alpha.6",
"react-native": "0.43.2",
"react-native-router-flux": "^4.0.0-beta.21"

[mcabs3]

Can you provide some more detail about your Router?

[aksonov]

@frankcary I believe you must use latest React Native, it is not RNRF issue. Try to google error first...
https://stackoverflow.com/questions/44077830/undefined-is-not-an-object-evaluating-reactnative-backhandler-addeventlistene