Android 中TeaPickerView数据级联选择器功能的实例代码

 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 mProvinceDatas=new ArrayList<>(); Map> mSecondDatas= new HashMap<>(); Map> 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 }); } }