城市的三级列表

导入依赖

compile 'liji.library.dev:citypickerview:0.3.0'

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
                xmlns:tools="http://schemas.android.com/tools"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:paddingBottom="@dimen/activity_vertical_margin"
                android:paddingLeft="@dimen/activity_horizontal_margin"
                android:paddingRight="@dimen/activity_horizontal_margin"
                android:paddingTop="@dimen/activity_vertical_margin"
                >

    <Button
        android:id="@+id/go"
        android:layout_width="match_parent"
        android:layout_height="60dp"
        android:text="选择省市区" />

    <TextView
        android:id="@+id/tv_result"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@+id/go"
        android:layout_marginTop="10dp"
        android:text="选择结果："
        android:textSize="20sp" />
</RelativeLayout>



主Activity代码

package com.example.longfei.sanji_city;


import android.graphics.Color;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

import com.lljjcoder.citypickerview.widget.CityPicker;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        Button go = (Button) findViewById(R.id.go);
        final TextView tvResult = (TextView) findViewById(R.id.tv_result);
        go.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

                CityPicker cityPicker = new CityPicker.Builder(MainActivity.this).textSize(20)
                        .textColor(Color.parseColor("#000000"))
                        .provinceCyclic(true)
                        .cityCyclic(false)
                        .districtCyclic(false)
                        .visibleItemsCount(7)
                        .itemPadding(10)
                        .build();

                cityPicker.show();
                cityPicker.setOnCityItemClickListener(new CityPicker.OnCityItemClickListener() {
                    @Override
                    public void onSelected(String... citySelected) {
                        tvResult.setText("选择结果：\n省：" + citySelected[0] + "\n市：" + citySelected[1] + "\n区："
                                + citySelected[2] + "\n邮编：" + citySelected[3]);
                    }
                });
            }
        });
    }
}
补充内容：
CityPicker cityPicker = new CityPicker.Builder(context).textSize(20)//滚轮文字的大小
                        .textColor(Color.parseColor("#000000"))//滚轮文字的颜色
                        .provinceCyclic(true)//省份滚轮是否循环显示
                        .cityCyclic(false)//城市滚轮是否循环显示
                        .districtCyclic(false)//地区（县）滚轮是否循环显示
                        .visibleItemsCount(7)//滚轮显示的item个数
                        .itemPadding(10)//滚轮item间距
                        .build();

                cityPicker.show();
                cityPicker.setOnCityItemClickListener(new CityPicker.OnCityItemClickListener() {
                    @Override
                    public void onSelected(String... citySelected) {
                       //省份
                       String province = citySelected[0];
                       //城市
                       String city = citySelected[1];
                       //区县
                       String district = citySelected[2];
                       //邮编
                       String code = citySelected[3]; 
                    }
                });
最珍贵的地址https://github.com/crazyandcoder/citypicker