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Jonah
Jonah

Reputation: 16202

Fetching data in the background on app launch in react-native?

When my react-native app launches, I need to fetch data from a remote API. Should I trigger this in the componentDidMount method of my main component? Are there other recommended options?

Additionally, does React provide a way to keep track of all outstanding network calls (ie, unresolved Promises), and a way to cancel them if needed? Or would this be considered the programmer's responsibility, so that I would need to write the code myself or use another library for it?

Upvotes: 4

Views: 1688

Answers (1)

Nader Dabit
Nader Dabit

Reputation: 53681

Jonah,

Yes, this should probably be done in the componentDidMount. When the response arrives, store the data in state (this will trigger a render to update your UI).

I am not aware of a way to keep track of all outstanding network calls. We've been handling this ourselves.

Upvotes: 3

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