The argument type Object cant be assigned to the parameter type ImageProvider<Object>

I just updated to Dart2 and Flutter sdk: '&gt;=2.12.0 &lt;3.0.0' and now this if statement breaks: <pre><code> decoration: new BoxDecoration( shape:...

    Ask March 10,2021

Flutter: How to check if a variable is a ListObject??

Code: <pre><code>print(item); print(item.runtimeType); print(item.runtimeType is List); print(item.runtimeType is List&lt;Object?&gt;); </code></pre> Result:</p...

    Ask March 01,2022

Need Query or condition to get selected data in flutter

I am stuck in creating query for the selected items and show selected data on other page. So help me to create query or condition. when I press floating action button...

    Ask November 01,2021

How can I arrange icons in a sequence?

<a href="https://i.stack.imgur.com/978tr.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/978tr.jpg" alt="enter image description here" /></a> <p...

    Ask March 01,2022

This function has a nullable return type of String? but ends without returning a value

I am trying to figure out why I get the Error in Title when adding if-Statements to my program. Without the if-statements everything works just fine. I hope someone ca...

    Ask October 06,2022

Password &amp; confirm pass is not same Validation in flutter with TextEditingController is not Working

I want to Check First Password &amp; Confirm Password is the same or not if Not Showing the message is not the same. And if it's the same Call the API to Update this P...

    Ask September 17,2022

how can i change the color property with if else condition flutter

Hello i created a custom BottomNavigationBar in flutter and want to use a if else condition in the color property of the IconButton. Does anyone know what is the mista...

    Ask October 16,2022

The onTapped of my Drawer tiles gets executed when i click my drawer menu button

So I made a custom app drawer for my flutter app. but now when I click my open drawer menu button, The first else statement of my widget tree gets executed. I am relat...

    Ask January 16,2022

flutter and firebase error: type String? cant be assigned to the parameter type Object

I am creating a workout app using flutter &amp; firebase. I have an <code>ExerciseStream</code> class which contains a StreamBuilder widget. in the StreamBuilder conta...

    Ask September 05,2022

how to change an image when I click a toggle button(flutter)

<a href="https://i.stack.imgur.com/crCkh.jpg" rel="nofollow noreferrer">enter image description here</a> I cannot embed image because I don't have 10 reputation...

    Ask May 21,2021

Inquiry about using if statement with Widget what these dots meaning if(condition) ...[ ]

Inquiry about using if statement with Widget.What these three dots meaning if(condition) ...[something ] For example: <pre class="lang-dart prettyprint-ov...

    Ask September 03,2019

Does Flutter has the possibility to use only a if condition inside the build method?

I worked with flutter for almost a year and since it wasn't production-ready for web development I needed to switch to react. To render object conditionally ins...

    Ask January 29,2021

if else statement inside if else ternary statement in dart

I have a case where i need to specify <pre><code>if (_amplifyConifured) { if (_isUserIsLoggedIn) { return DashboardScreen.routeName; } else { return Lo...

    Ask September 23,2021

Unable to implement if int value = 75 then proceed to next page logic

I am working on a certificate generation module where i want to generate certificate only if the input int value of 'percentage' is greater or equal to 75. I wa...

    Ask February 06,2022

How to use short if in flutter?

How to use short if in flutter this code can use: <pre><code>1 + 1 == 2 ? print('check true') : print('check false'); Ans. print('check true') </code></pre>...

    Ask January 12,2021

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