Android编程实现加载等待ProgressDialog的方法

import android.app.ProgressDialog;import android.content.Context;import android.content.DialogInterface;import android.content.DialogInterface.OnCancelListener;public class ShowProgressDialog {  public static ProgressDialog wait;  public static void show(Context context,String msg,Thread thread) {    final Thread th = thread;    wait = new ProgressDialog(context);    //设置风格为圆形    wait.setProgressStyle(ProgressDialog.STYLE_SPINNER);    wait.setTitle(null);    wait.setIcon(null);    //设置提示信息    wait.setMessage(msg);    //设置是否可以通过返回键取消    wait.setCancelable(true);    wait.setIndeterminate(false);    //设置取消监听    wait.setOnCancelListener(new OnCancelListener() {      @Override      public void onCancel(DialogInterface dialog) {        th.interrupt();      }    });    wait.show();  }}