Flutter powerful custom drop-down menu screening package

gzx_dropdown_menu

Powerful Custom Filter drop-down menu flutter package

• Custom dropdown header
• Custom dropdown header item
• Custom dropdown menu
• Custom dropdown menu show animation time
• Control dropdown menu show or hide

If it helps, trouble for a Star to you, your support is my power continuously updated.

navigation

• Gif renderings
• how to use

Gif renderings

US corporations are fake Taobao and renderings
of code groups in the United States under the example directory of the repository
Taobao code Flutter Taobao, I point to open

image

image

how to use

Since recently qiang, so there is no release to the Pub, will release the follow-up to Pub

1, added gzx_dropdown_menu package

Open pubspec.yaml file
add the following code

  gzx_dropdown_menu :
    git:
      url: https://github.com/GanZhiXiong/gzx_dropdown_menu.git

Add the position shown below

image

After adding Open Terminal, execute flutter packages get

2, using

Open this file own warehouse gzx_dropdown_menu_test_page.dart look at the example project.

No time to edit the text, but not so much as look at you directly run effect, then look at the code, you know how to use.

Forget itOr simply under it! ! !
You only need to GZXDropDownHeader and GZXDropDownMenu nested into your code to

GZXDropDownHeader

  // 下拉菜单头部
  GZXDropDownHeader(
    // 下拉的头部项，目前每一项，只能自定义显示的文字、图标、图标大小修改
    items: [
      GZXDropDownHeaderItem(_dropDownHeaderItemStrings[0]),
      GZXDropDownHeaderItem(_dropDownHeaderItemStrings[1]),
      GZXDropDownHeaderItem(_dropDownHeaderItemStrings[2]),
      GZXDropDownHeaderItem(_dropDownHeaderItemStrings[3], iconData: Icons.filter_frames, iconSize: 18),
    ],
    // GZXDropDownHeader对应第一父级Stack的key
    stackKey: _stackKey,
    // controller用于控制menu的显示或隐藏
    controller: _dropdownMenuController,
    // 当点击头部项的事件，在这里可以进行页面跳转或openEndDrawer
    onItemTap: (index) {
      if (index == 3) {
        _scaffoldKey.currentState.openEndDrawer();
        _dropdownMenuController.hide();
      }
    },
    // 头部的高度
    height: 40,
    // 头部背景颜色
    color: Colors.red,
    // 头部边框宽度
    borderWidth: 1,
    // 头部边框颜色
    borderColor: Color(0xFFeeede6),
    // 分割线高度
    dividerHeight: 20,
    // 分割线颜色
    dividerColor: Color(0xFFeeede6),
    // 文字样式
    style: TextStyle(color: Color(0xFF666666), fontSize: 13),
    // 下拉时文字样式
    dropDownStyle: TextStyle(
      fontSize: 13,
      color: Theme.of(context).primaryColor,
    ),
    // 图标大小
    iconSize: 20,
    // 图标颜色
    iconColor: Color(0xFFafada7),
    // 下拉时图标颜色
    iconDropDownColor: Theme.of(context).primaryColor,
  ),

GZXDropDownMenu

  // 下拉菜单
  GZXDropDownMenu(
    // controller用于控制menu的显示或隐藏
    controller: _dropdownMenuController,
    // 下拉菜单显示或隐藏动画时长
    animationMilliseconds: 500,
    // 下拉菜单，高度自定义，你想显示什么就显示什么，完全由你决定，你只需要在选择后调用_dropdownMenuController.hide();即可
    menus: [
      GZXDropdownMenuBuilder(
          dropDownHeight: 40 * 8.0,
          dropDownWidget: _buildQuanChengWidget((selectValue) {
            _dropDownHeaderItemStrings[0] = selectValue;
            _dropdownMenuController.hide();
            setState(() {});
          })),
      GZXDropdownMenuBuilder(
          dropDownHeight: 40 * 8.0,
          dropDownWidget: _buildConditionListWidget(_brandSortConditions, (value) {
            _selectBrandSortCondition = value;
            _dropDownHeaderItemStrings[1] =
            _selectBrandSortCondition.name == '全部' ? '品牌' : _selectBrandSortCondition.name;
            _dropdownMenuController.hide();
            setState(() {});
          })),
      GZXDropdownMenuBuilder(
          dropDownHeight: 40.0 * _distanceSortConditions.length,
          dropDownWidget: _buildConditionListWidget(_distanceSortConditions, (value) {
            _dropDownHeaderItemStrings[2] = _selectDistanceSortCondition.name;
            _selectDistanceSortCondition = value;
            _dropdownMenuController.hide();
            setState(() {});
          })),
    ],
  )