flutter_easy_dropdown

Description:

flutter easy dropdown

I am developing a new plugin flutter_easy_dropdown that uses the latest version dropdown_search. I have added new features in this new plugin like a pagintion in dropdown list using netwok APIs.


Flutter Easy DropdownSearch



Flutter simple and robust Easy DropdownSearch with item search feature, making it possible to use an offline item list or filtering URL for easy customization with PAGINATION VIEW.




Key Features #

Dropdown with pagination
Sync and/or Async items (online, offline, DB, ...)
Searchable dropdown
Three dropdown mode: Menu/ BottomSheet/ ModalBottomSheet / Dialog
Single & multi selection
Material dropdown
Easy customizable UI
Handle Light and Dark theme
Easy implementation into statelessWidget
Support multi level items

Pagination implementation (using Dio package) #
DropdownSearch<UserModel>(
dropdownSearchDecoration: InputDecoration(labelText: "Name"),
onLoadMore: (String filter, int offset) async {
var response = await Dio().get(
"http://5d85ccfb1e61af001471bf60.mockapi.io/user",
queryParameters: {"filter": filter, "page":offset, "size":10},
);
var models = UserModel.fromJsonList(response.data);
return models;
},
onChanged: (UserModel? data) {
print(data);
},
)
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packages.yaml #
flutter_easy_dropdown: <lastest version>
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Import #
import 'package:flutter_easy_dropdown/flutter_easy_dropdown.dart';
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Simple implementation #
DropdownSearch<String>(
popupProps: PopupProps.menu(
showSelectedItems: true,
disabledItemFn: (String s) => s.startsWith('I'),
),
items: ["Brazil", "Italia (Disabled)", "US", 'Canada'],
dropdownDecoratorProps: DropDownDecoratorProps(
dropdownSearchDecoration: InputDecoration(
labelText: "Menu mode",
hintText: "country in menu mode",
),
),
onChanged: print,
selectedItem: "Brazil",
)

DropdownSearch<String>.multiSelection(
items: ["Brazil", "Italia (Disabled)", "London", 'Canada'],
popupProps: PopupPropsMultiSelection.menu(
showSelectedItems: true,
disabledItemFn: (String s) => s.startsWith('I'),
),
onChanged: print,
selectedItems: ["Brazil"],
)
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customize showed field (itemAsString) #
DropdownSearch<UserModel>(
asyncItems: (String filter) => getData(filter),
itemAsString: (UserModel u) => u.userAsStringByName(),
onChanged: (UserModel? data) => print(data),
dropdownDecoratorProps: DropDownDecoratorProps(
dropdownSearchDecoration: InputDecoration(labelText: "User by name"),
),
)

DropdownSearch<UserModel>(
asyncItems: (String filter) => getData(filter),
itemAsString: (UserModel u) => u.userAsStringById(),
onChanged: (UserModel? data) => print(data),
dropdownDecoratorProps: DropDownDecoratorProps(
dropdownSearchDecoration: InputDecoration(labelText: "User by id"),
),
)
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customize Filter Function #
DropdownSearch<UserModel>(
filterFn: (user, filter) =>
user.userFilterByCreationDate(filter),
asyncItems: (String filter) => getData(filter),
itemAsString: (UserModel u) => u.userAsStringByName(),
onChanged: (UserModel? data) => print(data),
dropdownDecoratorProps: DropDownDecoratorProps(
dropdownSearchDecoration: InputDecoration(labelText: "Name"),
),
)
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customize Search Mode #
DropdownSearch<UserModel>(
popupProps: PopupProps.bottomSheet(),
dropdownSearchDecoration: InputDecoration(labelText: "Name"),
asyncItems: (String filter) => getData(filter),
itemAsString: (UserModel u) => u.userAsString(),
onChanged: (UserModel? data) => print(data),
)
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Validation #
DropdownSearch(
items: ["Brazil", "France", "Tunisia", "Canada"],
dropdownSearchDecoration: InputDecoration(labelText: "Name"),
onChanged: print,
selectedItem: "Tunisia",
validator: (String? item) {
if (item == null)
return "Required field";
else if (item == "Brazil")
return "Invalid item";
else
return null;
},
)
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Endpoint implementation (using Dio package) #
DropdownSearch<UserModel>(
dropdownSearchDecoration: InputDecoration(labelText: "Name"),
asyncItems: (String filter) async {
var response = await Dio().get(
"http://5d85ccfb1e61af001471bf60.mockapi.io/user",
queryParameters: {"filter": filter},
);
var models = UserModel.fromJsonList(response.data);
return models;
},
onChanged: (UserModel? data) {
print(data);
},
)

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Support #
If this plugin was useful to you, helped you to deliver your app, saved you a lot of time, or you just want to support the project.