Android：日期选择对话框、时间选择对话框、进度对话框

日期选择对话框DatePickerDialog和时间选择对话框TimePickerDialog都继承于AlertDialog，一般用于日期和时间的设定。

设计步骤

activity_main.xml

MainActivity.java

package com.example.admin.example3_6;

import android.app.Activity;
import android.app.DatePickerDialog;
import android.app.ProgressDialog;
import android.app.TimePickerDialog;
import android.app.DatePickerDialog.OnDateSetListener;
import android.app.TimePickerDialog.OnTimeSetListener;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.TimePicker;

public class MainActivity extends Activity {
    Button btn1,btn2,btn3;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        btn1=(Button)findViewById(R.id.button1);
        btn2=(Button)findViewById(R.id.button2);
        btn3=(Button)findViewById(R.id.button3);
        btn1.setOnClickListener(new mClick());
        btn2.setOnClickListener(new mClick());
        btn3.setOnClickListener(new mClick());
    }

    class mClick implements OnClickListener{
        int m_year = 2012;
        int m_month = 1;
        int m_day = 1;
        int m_hour = 12,m_minute = 1;
        @Override
        public void onClick(View v){
            if (v == btn1){
                ProgressDialog d=new ProgressDialog(MainActivity.this);
                d.setTitle("进度对话框");
                d.setIndeterminate(true);
                d.setMessage("程序正在Loading...");
                d.setCancelable(true);
                d.setMax(10);
                d.show();
            }
            else if (v==btn2){
                OnDateSetListener dateListener=new OnDateSetListener () {
                    @Override
                    public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
                        m_year = year;
                        m_month = monthOfYear;
                        m_day = dayOfMonth;
                    }
                };

                DatePickerDialog date=new DatePickerDialog(MainActivity.this,
                        dateListener,m_year,m_month,m_day);
                date.setTitle("日期对话框");
                date.show();
                }
                else if(v==btn3){
                    OnTimeSetListener timeListener=new OnTimeSetListener(){
                            @Override
                            public void onTimeSet(TimePicker view,int hourOfDay,int minute){
                                m_hour=hourOfDay;
                                m_minute=minute;
                            }
                        };
                        TimePickerDialog d=new TimePickerDialog(MainActivity.this,timeListener,m_hour,m_minute,true);
                        d.setTitle("时间对话框");
                        d.show();
                    }
        }

    }
}

效果展示