进度条对话框和圆形进度条对话框

来源：互联网发布：中国isis知乎编辑：程序博客网时间：2024/05/19 06:52
首先需要创建ProgressDialog对象，然后使用线程控制进度条显示，具体源代码：
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package com.yarin.android.TestOnPDialog;
 
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
 
public class PDialog extendsActivity
{
    privateButton mButton01,mButton02;
    
    intm_count =0;
    //声明进度条对话框
    ProgressDialog m_pDialog;
    
    @Override
    publicvoidonCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        //得到按钮对象
        mButton01 = (Button)findViewById(R.id.Button01);
        mButton02 = (Button)findViewById(R.id.Button02);
        
        //设置mButton01的事件监听
        mButton01.setOnClickListener(newButton.OnClickListener() {
            @Override
            publicvoidonClick(View v)
            {
                // TODO Auto-generated method stub
                
                //创建ProgressDialog对象
                m_pDialog =newProgressDialog(PDialog.this);
 
                // 设置进度条风格，风格为圆形，旋转的
                m_pDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
 
                // 设置ProgressDialog 标题
                m_pDialog.setTitle("提示");
                
                // 设置ProgressDialog 提示信息
                m_pDialog.setMessage("这是一个圆形进度条对话框");
 
                // 设置ProgressDialog 标题图标
                m_pDialog.setIcon(R.drawable.img1);
 
                // 设置ProgressDialog 的进度条是否不明确
                m_pDialog.setIndeterminate(false);
                
                // 设置ProgressDialog 是否可以按退回按键取消
                m_pDialog.setCancelable(true);
                
                // 设置ProgressDialog 的一个Button
                m_pDialog.setButton("确定",newDialogInterface.OnClickListener() {
                    publicvoidonClick(DialogInterface dialog,inti)
                    {
                        //点击“确定按钮”取消对话框
                        dialog.cancel();
                    }
                });
 
                // 让ProgressDialog显示
                m_pDialog.show();
            }
        });
        
      //设置mButton02的事件监听
        mButton02.setOnClickListener(newButton.OnClickListener() {
            @Override
            publicvoidonClick(View v)
            {
                // TODO Auto-generated method stub
                
                m_count =0;
                
                // 创建ProgressDialog对象
                m_pDialog =newProgressDialog(PDialog.this);
                
                // 设置进度条风格，风格为长形
                m_pDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
                
                // 设置ProgressDialog 标题
                m_pDialog.setTitle("提示");
                
                // 设置ProgressDialog 提示信息
                m_pDialog.setMessage("这是一个长形对话框进度条");
                
                // 设置ProgressDialog 标题图标
                m_pDialog.setIcon(R.drawable.img2);
                
                // 设置ProgressDialog 进度条进度
                m_pDialog.setProgress(100);
                
                // 设置ProgressDialog 的进度条是否不明确
                m_pDialog.setIndeterminate(false);
                
                // 设置ProgressDialog 是否可以按退回按键取消
                m_pDialog.setCancelable(true);
                
                // 让ProgressDialog显示
                m_pDialog.show();
                
                newThread()
                {
                    publicvoidrun()
                    {
                        try
                        {
                            while(m_count <=100)
                            {
                                // 由线程来控制进度。
                                m_pDialog.setProgress(m_count++);
                                Thread.sleep(100);
                            }
                            m_pDialog.cancel();
                        }
                        catch(InterruptedException e)
                        {
                            m_pDialog.cancel();
                        }
                    }
                }.start();
                
            }
        });
    }
}
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