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先附上效果图片
代码展示：
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.dialog_view, 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);
//第一个NumberPicker设置数据源
mCityPicker.setDisplayedValues(CITYS);
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;
}
}
});
//第二个NumberPicker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;
}
}
});
//第三个NumberPicker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();
}
});
}
}
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原文地址：http://www.cnblogs.com/niupi/p/5600475.html
