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how to get real time data flutter

FunnyPointerException :|) answered on April 28, 2022 Popularity 8/10 Helpfulness 2/10

answer how to get real time data flutter

how to get real time data flutter

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Stream<Object> objectStream() async* {
  while (true) {
    await Future.delayed(Duration(milliseconds: 500));
    Object object = getObjectFromAPI();
    yield object; //yield is like return
  }
}

// add this widget 
StreamBuilder(
    stream: objectStream(),
    builder: (context, snapshot) {
    	if(snapShot.connectionState == ConnectionState.waiting){
         	// do something
        }else if (snapShot.data != null) {
        	// do something
        }
    }
)

// to prevent restarting with every set state you can create
late Stream<Object?> objectStream;

@override
  void initState() {
	// add data to it from here
    objectStream = objectStream();
    super.initState();
  }

Popularity 8/10 Helpfulness 2/10 Language dart

Source: Grepper

Tags: dart flutter get real-time

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Contributed on Apr 28 2022

FunnyPointerException :|)

0 Answers Avg Quality 2/10

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