android进度条对话框小例子

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 Activity01 extends Activity { 
 
    private Button xhButton01, xhButton02; 
 
    int xh_count = 0; 
    // 声明进度条对话框 
    ProgressDialog xh_pDialog; 
 
    @Override 
    public void onCreate(Bundle savedInstanceState) { 
        super.onCreate(savedInstanceState); 
        setContentView(R.layout.main); 
 
        // 得到按钮对象 
        xhButton01 = (Button) findViewById(R.id.Button01); 
        xhButton02 = (Button) findViewById(R.id.Button02); 
 
        // 设置xhButton01的事件监听 
        xhButton01.setOnClickListener(new OnClickListener() { 
            @Override 
            public void onClick(View v) { 
                // 创建ProgressDialog对象 
                xh_pDialog = new ProgressDialog(Activity01.this); 
 
                // 设置进度条风格，风格为圆形，旋转的 
                xh_pDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER); 
 
                // 设置ProgressDialog 标题 
                xh_pDialog.setTitle("提示"); 
 
                // 设置ProgressDialog提示信息 
                xh_pDialog.setMessage("这是一个圆形进度条对话框"); 
 
                // 设置ProgressDialog标题图标 
                xh_pDialog.setIcon(R.drawable.img1); 
 
                // 设置ProgressDialog 的进度条是否不明确 false 就是不设置为不明确 
                xh_pDialog.setIndeterminate(false); 
 
                // 设置ProgressDialog 是否可以按退回键取消 
                xh_pDialog.setCancelable(true); 
 
                // 设置ProgressDialog 的一个Button 
                xh_pDialog.setButton("确定", new Bt1DialogListener()); 
 
                // 让ProgressDialog显示 
                xh_pDialog.show(); 
            } 
 
        }); 
 
        // 设置xhButton02的事件监听 
        xhButton02.setOnClickListener(new Button.OnClickListener() { 
 
            @Override 
            public void onClick(View v) { 
 
                xh_count = 0; 
 
                // 创建ProgressDialog对象 
                xh_pDialog = new ProgressDialog(Activity01.this); 
 
                // 设置进度条风格，风格为圆形，旋转的 
                xh_pDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); 
 
                // 设置ProgressDialog 标题 
                xh_pDialog.setTitle("提示"); 
 
                // 设置ProgressDialog提示信息 
                xh_pDialog.setMessage("这是一个长形进度条对话框"); 
 
                // 设置ProgressDialog标题图标 
                xh_pDialog.setIcon(R.drawable.img2); 
 
                // 设置ProgressDialog 的进度条是否不明确 false 就是不设置为不明确 
                xh_pDialog.setIndeterminate(false); 
 
                // 设置ProgressDialog 进度条进度 
                xh_pDialog.setProgress(100); 
 
                // 设置ProgressDialog 是否可以按退回键取消 
                xh_pDialog.setCancelable(true); 
 
                // 让ProgressDialog显示 
                xh_pDialog.show(); 
 
                new Thread() { 
                    @Override 
                    public void run() { 
                        try { 
                            while (xh_count <= 100) { 
                                // 由线程来控制进度 
                                xh_pDialog.setProgress(xh_count++); 
                                Thread.sleep(100); 
                            } 
                            xh_pDialog.cancel(); 
                        } catch (Exception e) { 
                            xh_pDialog.cancel(); 
                        } 
                    } 
                }.start(); 
 
            } 
 
        }); 
    } 
 
    // xhButton01的监听器类 
    class Bt1DialogListener implements DialogInterface.OnClickListener { 
        @Override 
        public void onClick(DialogInterface dialog, int which) { 
            // 点击“确定”按钮取消对话框 
            dialog.cancel(); 
        } 
    } 
}