Flutter FutureBuilder | The Right Way

How to use the FutureBuilder widget in Flutter. Futures wait for data before displaying the data inside your Flutter app using the FutureBuilder.
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TIMELINE
0:00 Future
0:22 FutureBuilder
1:54 setState called multiple times (keeps firing)
2:43 Refresh FutureBuilder
3:04 Fix: Keep loading in FutureBuilder
4:28 ConnectionState in FutureBuilder

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