package com.gtercn.myapplication;

import android.app.Activity;

import android.content.DialogInterface;

import android.os.Bundle;

import android.support.v7.app.AlertDialog;

import android.util.Log;

import android.view.LayoutInflater;

import android.view.View;

import android.widget.Button;

import android.widget.DatePicker;

import android.widget.EditText;

import android.widget.NumberPicker;

import android.widget.TextView;

import android.widget.Toast;

import java.text.SimpleDateFormat;

import java.util.Calendar;

public class MainActivity extends Activity {

    private Button mButton;

    private NumberPicker mCityPicker;

    private NumberPicker mCityPicker2;

    private NumberPicker mCityPicker3;

    private final static String[] CITYS = {"2004", "2006", "2003", "2002", "2001", "2016"};

    private final static String[] date = {"5", "6", "7", "8", "9", "10"};

    private final static String[] monteh = {"12", "11", "10", "9", "8", "7"};

    private int mSeletedIndex;

    private int mSeletedIndex2;

    private int mSeletedIndex3;

    String txt1;

    String txt2;

    String txt3;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_light);

        mButton = (Button) findViewById(R.id.button);

        mButton.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                AlertDialog.Builder builder7 = new AlertDialog.Builder(

                        MainActivity.this);

                builder7.setTitle("标题");

                builder7.setIcon(R.mipmap.ic_launcher);

                View view = LayoutInflater.from(MainActivity.this).inflate(

                        R.layout.activity_main, null);

                mCityPicker = (NumberPicker) view.findViewById(R.id.city_picker);

                mCityPicker2 = (NumberPicker) view.findViewById(R.id.city_picker2);

                mCityPicker3 = (NumberPicker) view.findViewById(R.id.city_picker3);

                //设置数据源

                mCityPicker.setDisplayedValues(CITYS);

                //设置数据长度

                mCityPicker.setMinValue(0);

                mCityPicker.setMaxValue(CITYS.length - 1);

                mCityPicker.setValue(4);

                //设置监听

                mCityPicker.setOnValueChangedListener(new NumberPicker.OnValueChangeListener() {

                    @Override

                    public void onValueChange(NumberPicker picker, int oldVal, int newVal) {

                        mSeletedIndex = newVal;

                    }

                });

                mCityPicker.setOnScrollListener(new NumberPicker.OnScrollListener() {

                    @Override

                    public void onScrollStateChange(NumberPicker view, int scrollState) {

                        switch (scrollState) {

                            case NumberPicker.OnScrollListener.SCROLL_STATE_FLING:

                                Log.e("TAG", "SCROLL_STATE_FLING");

                                //惯性滑动

                                break;

                            case NumberPicker.OnScrollListener.SCROLL_STATE_TOUCH_SCROLL:

                                //手动滑动

                                Log.e("TAG", "SCROLL_STATE_TOUCH_SCROLL");

                                break;

                            case NumberPicker.OnScrollListener.SCROLL_STATE_IDLE:

                                //停止滑动

                                Log.e("TAG", "SCROLL_STATE_IDLE");

                                txt1 = CITYS[mSeletedIndex].toString();

                                //mTextView.setText(CITYS[mSeletedIndex]);

                                //Toast.makeText(MainActivity.this, CITYS[mSeletedIndex], Toast.LENGTH_SHORT).show();

                                break;

                        }

                    }

                });

                //设置数据源

                mCityPicker2.setDisplayedValues(monteh);

                //设置数据长度

                mCityPicker2.setMinValue(0);

                mCityPicker2.setMaxValue(monteh.length - 1);

                mCityPicker2.setValue(4);

                //设置监听

                mCityPicker2.setOnValueChangedListener(new NumberPicker.OnValueChangeListener() {

                    @Override

                    public void onValueChange(NumberPicker picker, int oldVal, int newVal) {

                        mSeletedIndex2 = newVal;

                    }

                });

                mCityPicker2.setOnScrollListener(new NumberPicker.OnScrollListener() {

                    @Override

                    public void onScrollStateChange(NumberPicker view, int scrollState) {

                        switch (scrollState) {

                            case NumberPicker.OnScrollListener.SCROLL_STATE_FLING:

                                Log.e("TAG", "SCROLL_STATE_FLING");

                                //惯性滑动

                                break;

                            case NumberPicker.OnScrollListener.SCROLL_STATE_TOUCH_SCROLL:

                                //手动滑动

                                Log.e("TAG", "SCROLL_STATE_TOUCH_SCROLL");

                                break;

                            case NumberPicker.OnScrollListener.SCROLL_STATE_IDLE:

                                //停止滑动

                                Log.e("TAG", "SCROLL_STATE_IDLE");

                                txt2 = monteh[mSeletedIndex2];

                                break;

                        }

                    }

                });

                //设置数据源

                mCityPicker3.setDisplayedValues(date);

                //设置数据长度

                mCityPicker3.setMinValue(0);

                mCityPicker3.setMaxValue(date.length - 1);

                mCityPicker3.setValue(4);

                //设置监听

                mCityPicker3.setOnValueChangedListener(new NumberPicker.OnValueChangeListener() {

                    @Override

                    public void onValueChange(NumberPicker picker, int oldVal, int newVal) {

                        mSeletedIndex3 = newVal;

                    }

                });

                mCityPicker3.setOnScrollListener(new NumberPicker.OnScrollListener() {

                    @Override

                    public void onScrollStateChange(NumberPicker view, int scrollState) {

                        switch (scrollState) {

                            case NumberPicker.OnScrollListener.SCROLL_STATE_FLING:

                                Log.e("TAG", "SCROLL_STATE_FLING");

                                //惯性滑动

                                break;

                            case NumberPicker.OnScrollListener.SCROLL_STATE_TOUCH_SCROLL:

                                //手动滑动

                                Log.e("TAG", "SCROLL_STATE_TOUCH_SCROLL");

                                break;

                            case NumberPicker.OnScrollListener.SCROLL_STATE_IDLE:

                                //停止滑动

                                Log.e("TAG", "SCROLL_STATE_IDLE");

                                txt3 = date[mSeletedIndex3];

                                break;

                        }

                    }

                });

                builder7.setView(view);

                builder7.setPositiveButton("确定",

                        new android.content.DialogInterface.OnClickListener() {

                            @Override

                            public void onClick(DialogInterface dialog, int which) {

                                // TODO Auto-generated method stub

                                Toast.makeText(

                                        MainActivity.this,

                                        txt1 + txt2 + txt3, Toast.LENGTH_LONG)

                                        .show();

                            }

                        });

                builder7.setNegativeButton("取消",

                        new android.content.DialogInterface.OnClickListener() {

                            @Override

                            public void onClick(DialogInterface dialog, int which) {

                                // TODO Auto-generated method stub

                            }

                        });

                builder7.create();

                builder7.show();

            }

        });

    }

}

<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

    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"

  >

<LinearLayout

    android:layout_width="wrap_content"

    android:layout_height="wrap_content"

    android:orientation="horizontal">

    <LinearLayout

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_centerInParent="true"

        android:orientation="horizontal"

        android:gravity="center_vertical">

        <NumberPicker

            android:id="@+id/city_picker"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"></NumberPicker>

        <TextView

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:text="年"

            android:layout_marginLeft="10dp"/>

    </LinearLayout>

    <LinearLayout

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_centerInParent="true"

        android:orientation="horizontal"

        android:gravity="center_vertical">

        <NumberPicker

            android:id="@+id/city_picker2"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"></NumberPicker>

        <TextView

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:text="月"

            android:layout_marginLeft="10dp"/>

    </LinearLayout>

    <LinearLayout

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_centerInParent="true"

        android:orientation="horizontal"

        android:gravity="center_vertical">

        <NumberPicker

            android:id="@+id/city_picker3"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"></NumberPicker>

        <TextView

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:text="日"

            android:layout_marginLeft="10dp"/>

    </LinearLayout>

</LinearLayout>

</RelativeLayout>