In React Native on iOS, is there a way to determine when an app is resumed? Such as an onResume event?

Question

I\'m trying to determine when an app is resumed. For instance, when you open the app, press the home button on the device, and then go back into the app.

Answer 1

this is listed on the document about AppStateIOS ,if this is not enough, you can use the send event api read the AppDelegate.m in the iOS folder , you know more the life circle about the iOS App.

Answer 2

Hope you are looking for this. Documentation Here

getInitialState: function() {
  return {
    currentAppState: AppStateIOS.currentState,
  };
},
componentDidMount: function() {
  AppStateIOS.addEventListener('change', this._handleAppStateChange);
},
componentWillUnmount: function() {
    AppStateIOS.removeEventListener('change', this._handleAppStateChange);
},
_handleAppStateChange: function(currentAppState) {
  this.setState({ currentAppState, });
},
render: function() {
  return (
     <Text>Current state is: {this.state.currentAppState}</Text>
 );
},