android进度条对话框

package org.lxh.demo;import android.app.Activity;import android.app.ProgressDialog;import android.content.DialogInterface;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;public class MyDialogDemo extends Activity {private Button mybut = null ;// 定义按钮private static final int MAX_PROGRESS = 100 ;// 最大值@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 { @Overridepublic 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) ;// 水平进度条proDia.setMax(MAX_PROGRESS) ;// 设置进度的最大值proDia.setProgress(30) ;// 从进度30开始proDia.setButton("后台处理", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {proDia.dismiss() ;// 关闭对话框}}) ;proDia.setButton2("详细信息", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {}}) ;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); // 运行三秒} catch (Exception e) {} proDia.incrementProgressBy(10) ;}proDia.dismiss() ;}}.start() ;proDia.show() ;// 显示对话框}}}

main.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:orientation="vertical" android:layout_width="fill_parent"android:layout_height="fill_parent"><Button android:id="@+id/mybut"android:text="查找网络" android:layout_width="wrap_content" android:layout_height="wrap_content"/></LinearLayout>

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