flutter_easy_dropdown 1.0.3 flutter_easy_dropdown: ^1.0.3 copied to clipboard
Simple and robust Searchable Dropdown with item search feature, making it possible to use an offline item list or filtering URL for easy customization.
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);
},
)
packages.yaml #
flutter_easy_dropdown: <lastest version>
Import #
import 'package:flutter_easy_dropdown/flutter_easy_dropdown.dart';
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"],
)
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"),
),
)
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"),
),
)
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),
)
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;
},
)
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);
},
)
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.