Android 之 ProgressDialog

ProgressDialog 类似于ProgressBar,都是用于显示进度，区别是一个是控件一个是对话框。

ProgressDialog有两种形式一个是STYLE_SPINNER，STYLE_HORIZONTAL。

其中前者没有固定值，后者可以设置最大值和当前值。

 

下面直接给出一个实例。

 

 

 

package com.rocky.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 ProgressDialogDemo extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        ((Button)this.findViewById(R.id.Button01)).setOnClickListener(btn1Clicker);
        ((Button)this.findViewById(R.id.Button02)).setOnClickListener(btn2Clicker);

    }
    int m_count=0;
    ProgressDialog prDialog;
    OnClickListener btn1Clicker=new OnClickListener()
    {
        @Override
        public void onClick(View v) {
            // TODO Auto-generated method stub

            prDialog=new ProgressDialog(ProgressDialogDemo.this);
            prDialog.setTitle("提示信息");
            prDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
            prDialog.setMessage("This is a cicle process dialog ");
            prDialog.setIcon(R.drawable.icon);
            //进度条是否不明确
            prDialog.setIndeterminate(true);
            prDialog.setCancelable(true);
            prDialog.setButton("确定", new DialogInterface.OnClickListener(){
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    // TODO Auto-generated method stub

                    prDialog.cancel();

                }
            });

            prDialog.show();
        }

    };
    OnClickListener btn2Clicker=new OnClickListener()
    {
        @Override
        public void onClick(View v) {
            // TODO Auto-generated method stub

            m_count=0;

            prDialog=new ProgressDialog(ProgressDialogDemo.this);
            prDialog.setTitle("提示信息");
            prDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
            prDialog.setMessage("This is a cicle process dialog ");
            prDialog.setIcon(R.drawable.icon);
            //进度条是否不明确
            prDialog.setIndeterminate(false);
            prDialog.setCancelable(true);
            prDialog.setProgress(200);
            prDialog.setMax(200);
            prDialog.setButton("确定", new DialogInterface.OnClickListener(){
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    // TODO Auto-generated method stub

                    prDialog.cancel();

                }
            });

            prDialog.show();
            new Thread()
            {
                @Override
                public void run() {
                    // TODO Auto-generated method stub
                    //super.run();

                    try
                    {
                        while(m_count<=200)
                        {
                            prDialog.setProgress(m_count++);
                            Thread.sleep(100);

                        }
                        prDialog.cancel();
                    }
                    catch(InterruptedException e)
                    {
                        e.printStackTrace();
                    }



                }

            }.start();


        }

    };
}

 

 

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