Android ProgressDialog的使用

Android ProgressDialog进度条对话框的使用： 

<?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">
	<TextView android:layout_width="fill_parent"
		android:layout_height="wrap_content" android:text="@string/hello" />
	<Button android:text="圆形进度条" android:id="@+id/Button01"
		android:layout_width="wrap_content" android:layout_height="wrap_content"></Button>
	<Button android:text="长型进度条" android:id="@+id/Button02"
		android:layout_width="wrap_content" android:layout_height="wrap_content"></Button>

</LinearLayout>

 

package com.Aina.Android;

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 Test_ProgressDialog extends Activity {
    /** Called when the activity is first created. */
	private ProgressDialog mpDialog;
	private Button btn1,btn2;
	private int mCount = 0;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        btn1 = (Button) this.findViewById(R.id.Button01);
        btn2 = (Button) this.findViewById(R.id.Button02);
        btn1.setOnClickListener(new OnClickListener(){

			@Override
			public void onClick(View v) {
				mpDialog = new ProgressDialog(Test_ProgressDialog.this);
				mpDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);//设置风格为圆形进度条
				mpDialog.setTitle("提示");//设置标题
				mpDialog.setIcon(R.drawable.icon);//设置图标
				mpDialog.setMessage("这是一个圆形进度条");
				mpDialog.setIndeterminate(false);//设置进度条是否为不明确
				mpDialog.setCancelable(true);//设置进度条是否可以按退回键取消
				mpDialog.setButton("确定", new DialogInterface.OnClickListener(){

					@Override
					public void onClick(DialogInterface dialog, int which) {
						dialog.cancel();
						
					}
					
				});
				mpDialog.show();
			}
        	
        });
        btn2.setOnClickListener(new OnClickListener(){

			@Override
			public void onClick(View v) {
				mCount = 0;
				mpDialog = new ProgressDialog(Test_ProgressDialog.this);
				mpDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
				mpDialog.setTitle("提示");
				mpDialog.setIcon(R.drawable.icon);
				mpDialog.setMessage("这是一个长型进度条");
				mpDialog.setMax(100);
				mpDialog.setProgress(0);
				mpDialog.setSecondaryProgress(50);
				mpDialog.setIndeterminate(false);
				mpDialog.setCancelable(true);
				mpDialog.setButton("取消", new DialogInterface.OnClickListener(){

					@Override
					public void onClick(DialogInterface dialog, int which) {
						dialog.cancel();
						
					}
					
				});
				new Thread(){
					public void run(){
						try{
							while(mCount<=100){
								mpDialog.setProgress(mCount++);
								Thread.sleep(100);
							}
							mpDialog.cancel();
						}catch(Exception ex){
							mpDialog.cancel();
						}
					}
				}.start();
				mpDialog.show();
			}
        	
        });

    }
}