一、内容
本案例主要介绍以下几种常见对话框:
1.进度条对话框
2.日期选择对话框
3.时间选择对话框
二、实现
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.btn1);
btn2=(Button)findViewById(R.id.btn2);
btn3=(Button)findViewById(R.id.btn3);
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)
{
//设置进度对话框
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)
{
//设置日期监听器
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;
}
};
//创建日期对话框对象
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)
{ //设置时间监听器
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();
}
}
}
}
三、效果展示
1.进度对话框
2.日期选择对话框
3.时间选择对话框