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how to implement onbackpressed in flutter

android developer answered on April 27, 2022 Popularity 9/10 Helpfulness 4/10

answer how to implement onbackpressed in flutter

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how to implement onbackpressed in flutter

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You can use WillPopScope for that. It's a class that notifies you when the 
enclosing ModalRoute (internally used with the Navigator) is about to be 
popped. It even leaves you a choice to whether or not you want the pop to 
happen.

Just wrap the second screen's Scaffold in a WillPopScope.

return WillPopScope(
  onWillPop: () async {
    // You can do some work here.
    // Returning true allows the pop to happen, returning false prevents it.
    return true;
  },
  child: ... // Your Scaffold goes here.
);

Popularity 9/10 Helpfulness 4/10 Language dart

Source: Grepper

Tags: dart flutter onbackpressed

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Contributed on Oct 26 2022

android developer

0 Answers Avg Quality 2/10

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onbackpressed in flutter

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WillPopScope(
  onWillPop: () async {
    // You can do some work here.
    // Returning true allows the pop to happen, returning false prevents it.
    return true;
  },
  child: ... // Your Scaffold goes here.
);

Popularity 10/10 Helpfulness 3/10 Language dart

Source: Grepper

Tags: dart

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Contributed on Apr 27 2022

FunnyPointerException :|)

0 Answers Avg Quality 2/10

how to implement onbackpressed in flutter

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