android 弹出进度条对话框的方法

实际代码是做和做FM闹钟相关功能，收藏防止以后查阅

new AlertDialog.Builder(this)
    .setTitle(getString(R.string.info))
    .setMessage(getString(R.string.auto_search_confirm))
    .setPositiveButton(android.R.string.ok,
      new DialogInterface.OnClickListener() {
       public void onClick(DialogInterface dialog, int w) {
        dialog.dismiss();
        searchProcess();
       }

       private void searchProcess() {
        LinearLayout myLayout;
        LayoutInflater layoutInflater;
        AlertDialog.Builder dialogBuilder;

        myLayout = new LinearLayout(SetAlarm.this);
        layoutInflater=(LayoutInflater) getSystemService(SetAlarm.this.LAYOUT_INFLATER_SERVICE);
        myLayout=(LinearLayout) layoutInflater.inflate(R.layout.progress_dialog, null);

        progressBar=(ProgressBar)myLayout.findViewById(R.id.progressBar);
        progressBar.setMax(205);

        dialogBuilder = new AlertDialog.Builder(SetAlarm.this);
        dialogBuilder.setView(myLayout);
        dialogBuilder.setMessage(SetAlarm.this.getString(R.string.channel_searching));
        dialog = dialogBuilder.show();
        dialog.setCancelable(false);
        if (localAudioManager != null && localAudioManager.isWiredHeadsetOn()) {
         registerReceiver(searchBroadcast, new IntentFilter(SEARCH_DONE));
         registerReceiver(searchBroadcast, new IntentFilter(SET_PROGRESS));
         mFMAlarmPref.searchChannel();
        } else {
         if(dialog != null && dialog.isShowing())
         {
          dialog.dismiss();
         }
         Toast toast = Toast.makeText(SetAlarm.this, SetAlarm.this.getString(R.string.plug_in_headset), Toast.LENGTH_LONG);
         ToastMaster.setToast(toast);
         toast.show();
        }
       }
      })
    .setNegativeButton(android.R.string.cancel,
      new DialogInterface.OnClickListener() {
       @Override
       public void onClick(DialogInterface dialog,
         int which) {
        mFMRingState.setChecked(false);
        mAlarmPref.setEnabled(true);
        dialog.dismiss();
       }

      }).show();
new AlertDialog.Bui