How can i get int data from TextEditingController in flutter

Question

i want to get int data entered in the TextField() in flutter, i using TextEditingController:

TextEditingController _section_id = new TextEditingController();

and using this controller in it:

TextField(controller: _section_id,
                keyboardType: TextInputType.number,)

but now, how can i get int data? i try this way by

Repository().placeAddApiProvider(_section_id.text)

but its for just string, and try cast to int,

Repository().placeAddApiProvider(_section_id.text as int)

 but it is not work show me this error:
Unhandled Exception: type 'String' is not a subtype of type 'int' in type cast
E/flutter ( 6950): #0      AddPlaceState.build.<anonymous closure> (package:mosul/src/ui/users/add_place.dart:93:50)
E/flutter ( 6950): <asynchronous suspension>
E/flutter ( 6950): #1      _InkResponseState._handleTap (package:flutter/src/material/ink_well.dart:513:14)
E/flutter ( 6950): #2      _InkResponseState.build.<anonymous closure> (package:flutter/src/material/ink_well.dart:568:30)
E/flutter ( 6950): #3      GestureRecognizer.invokeCallback (package:flutter/src/gestu...

Thank you

Harshana · Accepted Answer · 2023-02-08 22:07:41Z

22

Update 2023:

int heightValue = int.parse(_heightCon.text);

when we want to get an integer from TextEditingController do like this,

 int var =int.parse(_section_id.text);

edited Feb 8, 2023 at 22:07

Harshana

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answered Sep 1, 2019 at 14:09

Nikolas Toni

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Comments

Michael Yuwono · Accepted Answer · 2019-05-19 11:26:22Z

13

You cannot cast a String to int because they do not inherit from the same parent class. You need to parse it instead.

Repository().placeAddApiProvider(int.parse(_section_id.text))

answered May 19, 2019 at 11:26

Michael Yuwono

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2 Comments

Daniel Sogbey Over a year ago

int.parse(controller.text) results in an error . Unhandled Exception: FormatException: Invalid number (at character 1)

Daniel Sogbey Over a year ago

Therefore use int.tryParse(controller.text) if int.parse(controller.text) generates an error

Muhammed Shibin · Accepted Answer · 2021-04-16 05:41:18Z

1

sometime we want to use tryParse instead for parse. int qty=int.tryParse(qtyController.text);

answered Apr 16, 2021 at 5:41

Muhammed Shibin

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Comments

ixmail · Accepted Answer · 2021-06-26 15:28:33Z

0

inside TextField onChanged

 onChanged: (s) {
  int s = int.parse(
   _section_id.text);
    },

answered Jun 26, 2021 at 15:28

ixmail

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Comments

Akshay Kumar · Accepted Answer · 2021-06-26 15:45:30Z

0

parse string that you get from textfield[Restrict it to enter only digits] to Int and use int.tryParse(String) if you don't worry about the conversion to be successful not or if you do then use int.parse(String)

answered Jun 26, 2021 at 15:45

Akshay Kumar

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