react-native-dropdown-select

1.0.7 • Public • Published

react-native-dropdown-select

下拉框组件

安装组件:

npm i --save react-native-dropdown-select

展示ui图

使用(这些ui组件的详细方法参数、作用、属性,可查看源文件,里面有详细注释)

import {
DropdownBox,
ButtonImage,
Button,
PickDropdown
} from "react-native-dropdown-select";
 
/**
单选
**/
<PickDropdown options={this.state.typesList}
              style={styles.dropdwon}
              onSelect={(v)=>this.onSelectDrop(v)}
              defaultValue={"请选择客户"}/>
 
/**
多选
**/
<PickDropdown options={this.state.typesList}
              multiple={true}
              style={styles.dropdwon}
              onSelect={(v)=>this.onSelectDrop(v)}
              defaultValue={"请选择客户"}/>
 
/**
图片按钮
**/
<ButtonImage icon={TriangleDown}
             disabled={disabled}
             style={[styles.searchIcon,{
                      width:this.getStyle().height == undefined
                      ? this.getStyle(styles.searchIcon).height
                        : this.styles.height,
                          height:this.styles.height,
                     }]}
             iconStyle={[
                        {
                            width:this.styles.height,
                            height:this.styles.height,
                         },
                          styles.icon,
                          this.getIconStyle()
                      ]}
              onPress={this._onBtnImgPress}/>
 
/**
按钮
**/
<Button style={styles.multipleBtn}
        textStyle={styles.multipleBtnText}
        onPress={()=>this._onMultiplePress()}
        text={"确定"}/>
 

DropdownBox 详解

Demo 1Demo 2Demo 3 You can also render your option row and row separator by implement renderRow and renderSeparator function.

DropdownBox自定义样式属性

Give the style props as your choice:

  • style: Change the style of the button (basic mode) / container (wrapper mode).
  • textStyle: Change the style of text of the button. Invalid in wrapper mode.
  • dropdownStyle: Change the style of dropdown container.
  • multiple: Change the style of dropdown container.
DropdownBox的api属性
属性 类型 可选 默认值 描述
disabled bool Yes false disable / enable the component.
defaultIndex number Yes -1 Init selected index. -1: None is selected. This only change the highlight of the dropdown row, you have to give a defaultValue to change the init text.
defaultValue string Yes Please select... Init text of the button. Invalid in wrapper mode.
options array Yes Options. The dropdown will show a loading indicator if options is null/undefined.
animated bool Yes true Disable / enable fade animation.
showsVerticalScrollIndicator bool Yes true Show / hide vertical scroll indicator.
style object Yes Style of the button.
textStyle object Yes Style of the button text. Invalid in wrapper mode.
dropdownStyle object Yes Style of the dropdown list.
dropdownTextStyle object Yes Style of the dropdown option text.
dropdownTextHighlightStyle object Yes Style of the dropdown selected option text.
adjustFrame func Yes This is a callback after the frame of the dropdown have been calculated and before showing. You will receive a style object as argument with some of the props like width height top left and right. Change them to appropriate values that accord with your requirement and make the new style as the return value of this function.
renderRow func Yes Customize render option rows: function(option,index,isSelected) Will render a default row if null/undefined.
renderSeparator func Yes Customize render dropdown list separators. Will render a default thin gray line if null/undefined.
renderButtonText func Yes Use this to extract and return text from option object. This text will show on button after option selected. Invalid in wrapper mode.
onDropdownWillShow func Yes Trigger when dropdown will show by touching the button. Return false can cancel the event.
onDropdownWillHide func Yes Trigger when dropdown will hide by touching the button. Return false can cancel the event.
onSelect func Yes Trigger when option row touched with selected index and value. Return false can cancel the event.
accessible bool Yes true Set accessibility of dropdown modal and dropdown rows
keyboardShouldPersistTaps enum('always', 'never', 'handled') Yes 'never' See react-native ScrollView props
multiple bool Yes false Sets single or multiple selections
DropdownBox的方法
方法 描述
show() Show the dropdown. Won't trigger onDropdownWillShow.
hide() Hide the dropdown. Won't trigger onDropdownWillHide.
select(idx) Select the specified option of the idx. Select -1 will reset it to display defaultValue. Won't trigger onSelect.

欢迎交流

欢迎提问交流;若有bug,请添加bug截图或代码片段,以便更快更好的解决问题。
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npm i react-native-dropdown-select

Weekly Downloads

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Version

1.0.7

License

MIT

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  • yehun