Android 中TeaPickerView数据级联选择器功能的实例代码

Github地址

YangsBryant/TeaPickerView

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引入module

allprojects {
  repositories {
    google()
    jcenter()
    maven { url 'https://www.jitpack.io' }
  }
}
implementation 'com.github.YangsBryant:TeaPickerView:1.0.2'

主要代码

public class MainActivity extends AppCompatActivity {
  @BindView(R.id.mButton)
  Button button;
  List<String> mProvinceDatas=new ArrayList<>();
  Map<String, List<String>> mSecondDatas= new HashMap<>();
  Map<String, List<String>> mThirdDatas= new HashMap<>();
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    ButterKnife.bind( this );
    intiPickerView();
  }
  private void intiPickerView(){
    //一级列表
    ProvinceBean provinceBean = new ProvinceBean();
    mProvinceDatas.addAll(provinceBean.getRepData().getProvince());
    //二级列表
    SecondBean secondBean = new SecondBean();
    mSecondDatas.putAll(secondBean.getRepData().getSecond());
    //三级列表
    ThirdBean thirdBean = new ThirdBean();
    mThirdDatas.putAll(thirdBean.getRepData().getThird());
    Log.i("json", JsonArrayUtil.toJson(mProvinceDatas));
    Log.i("json",JsonArrayUtil.toJson(mSecondDatas));
    Log.i("json",JsonArrayUtil.toJson(mThirdDatas));
    //设置数据有多少层级
    PickerData data=new PickerData();
    data.setFirstDatas(mProvinceDatas);//json: ["广东","江西"]
    data.setSecondDatas(mSecondDatas);//json: {"江西":["南昌","赣州"],"广东":["广州","深圳","佛山","东莞"]}
    data.setThirdDatas(mThirdDatas);//json: {"广州":["天河区","白云区","番禹区","花都区"],"赣州":["章贡区","黄金开发区"],"东莞":["东城","南城"],"深圳":["南山区","宝安区","龙华区"],"佛山":["禅城区","顺德区"],"南昌":["东湖区","青云谱区","青山湖区"]}
    data.setInitSelectText("请选择");
    TeaPickerView teaPickerView =new TeaPickerView(this,data);
    teaPickerView.setScreenH(3)
        .setDiscolourHook(true)
        .setRadius(25)
        .setContentLine(true)
        .setRadius(25)
        .build();
    button.setOnClickListener(v -> {
      //显示选择器
      teaPickerView.show(button);
    });
    //选择器点击事件
    teaPickerView.setOnPickerClickListener(pickerData -> {
      Toast.makeText(MainActivity.this,pickerData.getFirstText()+","+pickerData.getSecondText()+","+pickerData.getThirdText(),Toast.LENGTH_SHORT).show();
      teaPickerView.dismiss();//关闭选择器
    });
  }
}

TeaPickerView属性大全

设置数据

给出参考bean地址

一级ProvinceBean

二级SecondBean

三级ThirdBean

默认内容栏字体颜色变换器

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
  <item android:state_selected="true" android:color="@color/picker_select_text_color"/>
  <item android:state_pressed="true" android:color="@color/picker_select_text_color"/>
  <item android:state_checked="true" android:color="@color/picker_select_text_color"/>
  <item android:state_focused="true" android:color="@color/picker_select_text_color"/>
  <item android:color="@color/picker_text_color"/>
</selector> 

默认内容栏下划线

<?xml version="1.0" encoding="UTF-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
  <!-- 边框颜色值 -->
  <item>
    <shape>
      <solid android:color="@color/station_average" />
    </shape>
  </item>
  <item android:bottom="1dp"> <!--设置只有底部有边框-->
    <shape>
      <solid android:color="#ffffff" />
    </shape>
  </item>
</layer-list> 

总结

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