Flutter dropdown button style

By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. How should I customize the dropdown e. Should I copy DropdownMenu and extend it? Does Flutter plan to add customization for this widget in the near future?

Not only its backgroundColor will match the canvasColor in your ThemeData class, but also it will follow the same TextStyle. Furthermore, if you want to control the width of the menu, you can feed its child property a new Container and add the desired widthcheck the following GIF, I started with width: You can accomplish this by wrapping the DropdownButton in a Theme widget and overriding the canvasColor.

I was able to change the background for the Dropdown by wrapping it in a Container with the color property set. If you want the DropdownButton to fill the space that it is in, use the property isExpanded and set it to true. Learn more. Ask Question. Asked 2 years, 6 months ago. Active 30 days ago.

Viewed 21k times. Mary Mary 5, 13 13 gold badges 26 26 silver badges 58 58 bronze badges. Active Oldest Votes. Do you know if there is a way to override the padding left and right for each DropdownMenuItem? The ThemeData doesn't have a padding property.

I tried setting my DropdownMenuItem's padding to negative but it's not allowed. Mary ThemeData is about the visuals coloring, text styling. I believe you want to center your items in the dropdown, so all you need to do is to wrap the Text widget in the answer within a Center widget.

However, if you need to customize the positioning of the items such that they are not centered, you will need to wrap the Text widget inside a Row which is wrapped inside a Padding widget, and then customize the padding property as you want.

You can replace the Row in the previous comment with a Container as well, and you will achieve the same result, if there is anything that is not clear enough, please let me know. Collin Jackson Collin Jackson Thank you. I was stuck on this until I found this answer! Thanks for this workaround. It looks like its been an issue for some time: github. FloatingRock FloatingRock 4, 5 5 gold badges 34 34 silver badges 53 53 bronze badges. TuMahler TuMahler 9 3 3 bronze badges. Not relevant to the question.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. You need to specify the side: property. By default it is BorderSide. Learn more. How to make rounded border for dropdownbutton in flutter? Ask Question. Asked 1 year, 5 months ago. Active 9 months ago. Viewed 9k times. How to Add Rounded Rectangle Border? Below Code didn't result in any border on screen.

Container margin: EdgeInsets. John Ravi John Ravi 4 4 silver badges 15 15 bronze badges. Active Oldest Votes. What if we want to round the opened list window that holds the DropDownButtonItem's? You would have to build your own version of DropDownButton. Have a look to the widget source code. Jan 30 at Container width: Jiten Basnet Jiten Basnet 4 4 silver badges 16 16 bronze badges. Sign up or log in Sign up using Google.

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Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. How should I customize the dropdown e.

Should I copy DropdownMenu and extend it? Does Flutter plan to add customization for this widget in the near future?

Not only its backgroundColor will match the canvasColor in your ThemeData class, but also it will follow the same TextStyle. Furthermore, if you want to control the width of the menu, you can feed its child property a new Container and add the desired widthcheck the following GIF, I started with width: You can accomplish this by wrapping the DropdownButton in a Theme widget and overriding the canvasColor.

I was able to change the background for the Dropdown by wrapping it in a Container with the color property set. If you want the DropdownButton to fill the space that it is in, use the property isExpanded and set it to true. Learn more. Ask Question. Asked 2 years, 6 months ago. Active 26 days ago.

Viewed 20k times. Mary Mary 5, 13 13 gold badges 26 26 silver badges 58 58 bronze badges. Active Oldest Votes. Do you know if there is a way to override the padding left and right for each DropdownMenuItem?

The ThemeData doesn't have a padding property. I tried setting my DropdownMenuItem's padding to negative but it's not allowed. Mary ThemeData is about the visuals coloring, text styling. I believe you want to center your items in the dropdown, so all you need to do is to wrap the Text widget in the answer within a Center widget.DropdownButton widget has a property named as value which is used to hold current drop down button list selected item.

It also has a property named as onChanged which is called each time when drop down item is changed. We could pass here a String named as data which is hold the current selected item and store that item into dropdownValue variable using State. Import material. Create our main class named as MyApp extends with State less widget. In this class we would call DropDown class directly. Create a class named as DropDown extends StatefulWidget.

In this class we would createState method to enable mutable state in given class tree. Create a class named as DropDownWidget extends State. This is our main widget class in which we would make drop down button list. Create 2 Sting variables named as dropdownValue and holder and assign default values. Create Sting List named as actorsName and set some random names in it. This list is used to set our Drop down button list items. Create a function named as getDropDownItem.

In this function we would store the selected item into another variable using State. Complete source code for main. Your email address will not be published. Flutter Version 1. Flutter Channel Stable. Padding padding: EdgeInsets. Also Read:.

One Comment. Sidrah January 30, at pm. Leave a Reply Cancel reply Your email address will not be published. Padding padding : EdgeInsets.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I am new to programming with flutter, and a problem has arisen that, after reading a lot in this forum, I have not managed to solve.

I have two classes, one Provinces and another cities, each of them are obtained through an API query. First I get the provinces with a webservices. Once the province is selected, and through another web service to which we pass the province, we obtain the cities through a different web service.

Everything seems correct Learn more. Flutter dropdown button form field error - with two dropdown Ask Question. Asked yesterday. Active yesterday. Viewed 24 times. Miguel Toledano L. Miguel Toledano 1. New contributor.

Miguel Toledano yesterday. Active Oldest Votes. Miguel Toledano is a new contributor. Be nice, and check out our Code of Conduct. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. The Overflow How many jobs can be done at home? Featured on Meta. Community and Moderator guidelines for escalating issues via new responseā€¦. Feedback on Q2 Community Roadmap.

Triage needs to be fixed urgently, and users need to be notified uponā€¦. Dark Mode Beta - help us root out low-contrast and un-converted bits. Technical site integration observational experiment live on Stack Overflow. Linked This Tutorials is posted by niebin at In this tutorial, you will learn how to use the DropdownButton in the flutter. Before starting our tutorial, I will create a page to contain our code.

It will show an empty page and I will put the code in the children. So let's look at our first simple about the DropDownButton. When we click the button, it will show you in the picture as below.

It is very useful to our. As common, Let's look at the constructor of the DropdownButton. So let's look at the parameters step by step. We have used this parameter above, but we don't really know it. When we see its definition, we know it is a list. Then we look at the constructor of the DropdownMenuItem. You need to know that the T is a common class, usually, it is the type of your data. Such as Stringdouble. The value will be this class same as the T. The child will show in the menu.

It is a widget, I use a Text in the fore example. In this example, I will use a Row to show you. It will show you as follows. It will expand the menu. When you click it, it will show you the right one.

In the above code, we have two choices, 12.

#3.4 Flutter DropdownButton and Dropdown Menu Item List

It will occur such error. If you do not set value, it will show a widget in the default state. Let's look at the code with not setting the value parameter. It will show you like this. If we set onChange or items to null, I will show the disabledHint. In this part, I will give an example of many parameters, which are very easy to understand. These parameters are below. So let's look at the example. The elevation controls the shadow of the menu, we have used it so many time, so I will not tell this again in the other widgets.

The style controls the Text in the menu.

flutter dropdown button style

The isDense will reduce the height of the button. The iconSize controls the size of the triangle-arrow. The result is below. Today, we have learned the DropdownButton. It just jumps out a menu to select. It is easy to understand, but need care about the value must be in the range of values of the items.Before starting our tutorial, I will create a page to contain our code. It will show an empty page and I will put the code in the children. So let's look at our first simple about the DropDownButton.

When we click the button, it will show you in the picture as below. It is very useful to our.

flutter dropdown button style

As common, Let's look at the constructor of the DropdownButton. So let's look at the parameters step by step. We have used this parameter above, but we don't really know it. When we see its definition, we know it is a list. Then we look at the constructor of the DropdownMenuItem.

flutter dropdown button style

You need to know that the T is a common class, usually, it is the type of your data. Such as Stringdouble. The value will be this class same as the T. The child will show in the menu. It is a widget, I use a Text in the fore example. In this example, I will use a Row to show you.

It will show you as follows. It will expand the menu. When you click it, it will show you the right one. In the above code, we have two choices, 12.

#3.4 Flutter DropdownButton Tutorial: Dropdown Menu Item List for beginners: Flutter with Dart

It will occur such error. If you do not set value, it will show a widget in the default state. Let's look at the code with not setting the value parameter. It will show you like this.

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If we set onChange or items to null, I will show the disabledHint. In this part, I will give an example of many parameters, which are very easy to understand. These parameters are below.


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