在main.xml中
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<Button
android:id="@+id/mybut"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="查找网络"/>
</LinearLayout>
在MyDialogDemo.java程序中
package com.tarena.dialog;
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.content.DialogInterface;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.ImageButton;
import android.widget.TextView;
import android.widget.TimePicker;
public class MyDialogDemo extends Activity {
private Button mybut = null ; // 定义按钮
private static final int MAX_PROGRESS = 100; //最大值为100
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
super.setContentView(R.layout.main); // 调用布局管理器
this.mybut = (Button) super.findViewById(R.id.mybut) ; // 取得按钮
this.mybut.setOnClickListener(new OnClickListenerImpl()) ; // 设置事件类
}
private class OnClickListenerImpl implements OnClickListener {
public void onClick(View view) {
final ProgressDialog proDia = new ProgressDialog
(MyDialogDemo.this);
proDia.setTitle("搜索网络");
proDia.setMessage("请耐心等待……");
proDia.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); //设置为水平的进度条
proDia.setMax(MAX_PROGRESS); //设置进度条的最大值
proDia.setProgress(0); //从进度0开始
proDia.setButton("后台处理", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
proDia.dismiss(); //关闭对话框
}
});
proDia.setButton2("详细信息", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
}
});
proDia.onStart(); //启动进度
new Thread(){
public void run(){ //线程的主体类
for(int x = 0; x < MAX_PROGRESS; x++){
try {
Thread.sleep(500); //运行3秒
} catch (Exception e) {
e.printStackTrace();
}
proDia.incrementProgressBy(1);
}
proDia.dismiss(); //关闭
}
}.start(); //启动线程
proDia.show();
}
}
}