Eric Vicenti 229c9327b7 State persistence (#3716) ...

Adds a new state persistence mechanisms to all of the navigators via createNavigationContainer

    There are two new props that you can provide to a navigation container: `storageKey` and `renderLoading`.

    `storageKey` is the string key to be used with AsyncStorage while saving and persisting navigation state. To disable persistence, set to null.

    `renderLoading` allows you to render something while the navigator re-hydrates its state and loads its initial URL. By default this returns null, but Expo users will want to render a <AppLoading /> component for smooth app launches

    There is also functionality in this PR to observe errors that come from re-hydrating state, and gracefully recover by dispatching an init action.

    Also this revises the init action to *reset* the navigation state, rather than preserve the previous state.

2018-03-22 22:42:37 -04:00

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react-navigation.js

State persistence (#3716)

2018-03-22 22:42:37 -04:00