allprojects {repositories {google()jcenter()maven { url 'https://www.jitpack.io' }}
}

implementation 'com.github.YangsBryant:TeaPickerView:1.0.2'

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<>();@Overrideprotected 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});}
}

<?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>

<?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>