安卓(Android) 怎么显示进度对话框(ProgressDialog)

1.简介

安卓(Android) 怎么显示进度对话框(ProgressDialog)？——请看下文。

2.示例代码

/**
 * 版权所有 编程十万个怎么办(www.tah1986.com)
 */


import android.app.Activity;
import android.app.ProgressDialog;

public class Main {
    public static ProgressDialog showDialog(Activity context,
            String strContent) {
        if (context != null) {
            ProgressDialog infoDialog = new ProgressDialog(context);
            infoDialog.setMessage(strContent);
            infoDialog.show();
            return infoDialog;
        }
        return null;
    }

    public static ProgressDialog showDialog(Activity context,
            String strContent, int max) {
        if (context != null) {
            ProgressDialog dialog = new ProgressDialog(context);
            dialog.setMessage(strContent);
            dialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
            dialog.setMax(max);
            dialog.setProgress(0);
            dialog.show();
            return dialog;
        }
        return null;
    }
}