package com.webabcd.dialog;
import java.util.Calendar;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.DatePickerDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.app.TimePickerDialog;
import android.app.DatePickerDialog.OnDateSetListener;
import android.app.TimePickerDialog.OnTimeSetListener;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.os.Bundle;
import android.view.View;
import android.widget.DatePicker;
import android.widget.TextView;
import android.widget.TimePicker;
import android.widget.Button;
public class Main
extends Activity {
/** Called when the activity is first created. */ @Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
// 弹出式对话框的 Demo。先调用 Builder()，在 Create()， 需要显示对话框的是后再调用 show() AlertDialog dialog =
new AlertDialog.Builder(
this).setTitle(
"弹出对话框").create();
dialog.show();
// 以下是各种对话框的 Demo MyButtonClickListener listener =
new MyButtonClickListener();
Button btn1 = (Button)
this.findViewById(R.id.btn1);
btn1.setText(
"简单的对话框的 Demo");
btn1.setOnClickListener(listener);
Button btn2 = (Button)
this.findViewById(R.id.btn2);
btn2.setText(
"包括常用设置的对话框(数据来自 xml)");
btn2.setOnClickListener(listener);
Button btn3 = (Button)
this.findViewById(R.id.btn3);
btn3.setText(
"弹出的对话框的内容是一个 View");
btn3.setOnClickListener(listener);
Button btn4 = (Button)
this.findViewById(R.id.btn4);
btn4.setText(
"日期选择对话框");
btn4.setOnClickListener(listener);
Button btn5 = (Button)
this.findViewById(R.id.btn5);
btn5.setText(
"时间选择对话框");
btn5.setOnClickListener(listener);
Button btn6 = (Button)
this.findViewById(R.id.btn6);
btn6.setText(
"进度条对话框");
btn6.setOnClickListener(listener);
}
class MyButtonClickListener
implements View.OnClickListener {
@Override
public void onClick(View v) {
// 具体的对话框的实现可以通过重写 onCreateDialog 完成 switch (v.getId()) {
case R.id.btn1:
Main.
this.showDialog(0);
break;
case R.id.btn2:
Main.
this.showDialog(1);
break;
case R.id.btn3:
Main.
this.showDialog(2);
break;
case R.id.btn4:
Main.
this.showDialog(3);
break;
case R.id.btn5:
Main.
this.showDialog(4);
break;
case R.id.btn6:
Main.
this.showDialog(5);
break;
}
}
}
@Override
public Dialog onCreateDialog(
int id) {
switch (id) {
case 0:
// 一个简单的弹出对话框 return new AlertDialog.Builder(
this).setTitle(
"这是一个简单的弹出对话框的 Demo")
.create();
case 1:
// 一个相对复杂的弹出对话框 return new AlertDialog.Builder(
this)
.setTitle(
"标题")
// 设置标题 // .setCustomTitle(View) // 以一个 View 作为标题 .setIcon(R.drawable.icon01)
// 设置标题图片 // .setMessage("信息") // 需要显示的弹出内容 .setPositiveButton(
"确定",
new OnClickListener() {
// 设置弹框的确认按钮所显示的文本，以及单击按钮后的响应行为 @Override
public void onClick(DialogInterface a0,
int a1) {
TextView txtMsg = (TextView) Main.
this.findViewById(R.id.txtMsg);
txtMsg.append(
"单击了对话框上的“确认”按钮\n");
}
})
.setItems(R.array.ary,
new DialogInterface.OnClickListener() {
// 弹框所显示的内容来自一个数组。数组中的数据会一行一行地依次排列 public void onClick(DialogInterface dialog,
int which) {
}
})
// 其他常用方法如下 // .setMultiChoiceItems(arg0, arg1, arg2) // .setSingleChoiceItems(arg0, arg1, arg2) // .setNeutralButton(arg0, arg1) // .setNegativeButton(arg0, arg1) .create();
case 2:
// 弹出对话框为指定的 View 的 Demo return new AlertDialog.Builder(
this).setTitle(
"此对话框的内容是一个 View")
.setView(
this.findViewById(R.layout.view)).create();
case 3:
// 弹出日期选择对话框 Calendar c = Calendar.getInstance();
return new DatePickerDialog(
this,
new OnDateSetListener() {
@Override
public void onDateSet(DatePicker view,
int year,
int monthOfYear,
int dayOfMonth) {
TextView txtMsg = (TextView) Main.
this.findViewById(R.id.txtMsg);
txtMsg.append(
"新设置的日期为：" + String.valueOf(year) +
"-" + String.valueOf(monthOfYear) +
"-" + String.valueOf(dayOfMonth) +
"\n");
}
}, c.get(Calendar.YEAR), c.get(Calendar.MONTH), c.get(Calendar.DATE));
case 4:
// 弹出时间选择对话框 Calendar c2 = Calendar.getInstance();
return new TimePickerDialog(
this,
new OnTimeSetListener() {
@Override
public void onTimeSet(TimePicker view,
int hourOfDay,
int minute) {
TextView txtMsg = (TextView) Main.
this.findViewById(R.id.txtMsg);
txtMsg.append(
"新设置的时间为：" + String.valueOf(hourOfDay) +
":" + String.valueOf(minute) +
"\n");
}
}, c2.get(Calendar.HOUR), c2.get(Calendar.MINUTE),
true);
case 5:
// 弹出进度条对话框 ProgressDialog progress =
new ProgressDialog(
this);
progress.setMessage(
"loading...");
return progress;
default:
return null;
}
}
}