使用xutils无法更新ProgressBar

用Xutils下载，但是下载列表进度却不动，只是刷新progress有进度，但是刷新其他textView，就都不能刷新了。
如图：图片说明
全部刷新不了：

附上代码：
package com.work.driver.adapter;

import java.io.File;
import java.lang.ref.WeakReference;

import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.webkit.DownloadListener;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;

import com.library.app.bitmap.BitmapTools;
import com.library.app.download.DownloadInfo;
import com.library.app.download.DownloadManager;
import com.library.app.instrument.Common;
import com.library.app.storage.SDCardTools;
import com.lidroid.xutils.ViewUtils;
import com.lidroid.xutils.exception.DbException;
import com.lidroid.xutils.exception.HttpException;
import com.lidroid.xutils.http.HttpHandler;
import com.lidroid.xutils.http.ResponseInfo;
import com.lidroid.xutils.http.callback.RequestCallBack;
import com.lidroid.xutils.util.LogUtils;
import com.lidroid.xutils.view.annotation.ViewInject;
import com.lidroid.xutils.view.annotation.event.OnClick;
import com.work.driver.R;
import com.work.driver.activity.BaseActivity;

/**

@project a_driver
@ClassName AppListAdapter.java
@Description App列表Adapter

@date 2015-6-23 下午6:28:37
*/
public class DownloadManageAdapter extends BaseAdapter {

private final Context mContext;
private final LayoutInflater mInflater;
private DownloadManager downloadManager;
private BitmapTools bitmapTools;

public DownloadManageAdapter(Context context, DownloadManager downloadManager) {
mContext = context;
mInflater = LayoutInflater.from(mContext);
this.downloadManager = downloadManager;
bitmapTools = ((BaseActivity) context).mBitmapTools;
}

@Override
public int getCount() {
if (downloadManager == null)
return 0;
return downloadManager.getDownloadInfoListCount();
}

@Override
public Object getItem(int i) {
return downloadManager.getDownloadInfo(i);
}

@Override
public long getItemId(int i) {
return i;
}

@SuppressWarnings("unchecked")
@Override
public View getView(int i, View view, ViewGroup viewGroup) {
DownloadItemViewHolder holder = null;
DownloadInfo downloadInfo = downloadManager.getDownloadInfo(i);
if (view == null) {
view = mInflater.inflate(R.layout.new_frg_manage_item, null);
holder = new DownloadItemViewHolder(downloadInfo);
ViewUtils.inject(holder, view);
view.setTag(holder);
holder.refresh();
} else {
holder = (DownloadItemViewHolder) view.getTag();
holder.update(downloadInfo);
}
HttpHandler handler = downloadInfo.getHandler();
if (handler != null) {
RequestCallBack callBack = handler.getRequestCallBack();
if (callBack instanceof DownloadManager.ManagerCallBack) {
DownloadManager.ManagerCallBack managerCallBack = (DownloadManager.ManagerCallBack) callBack;
managerCallBack.setBaseCallBack(new DownloadRequestCallBack());
}
callBack.setUserTag(new WeakReference(holder));
}

return view;

}

public class DownloadItemViewHolder {
@ViewInject(R.id.tv_name)
TextView name;
@ViewInject(R.id.tv_state)
TextView state;
@ViewInject(R.id.tv_progress)
TextView tv_progress;
@ViewInject(R.id.progressBar)
ProgressBar progressBar;
@ViewInject(R.id.btn_down)
Button startBtn;
@ViewInject(R.id.img_icon)
ImageView icon;

private DownloadInfo downloadInfo;

public DownloadItemViewHolder(DownloadInfo downloadInfo) {
    this.downloadInfo = downloadInfo;
}

public void update(DownloadInfo downloadInfo) {
    this.downloadInfo = downloadInfo;
    refresh();
}

@OnClick(R.id.btn_down)
public void start(View v) {
    HttpHandler.State state = downloadInfo.getState();
    switch (state) {
    case WAITING:
        Toast.makeText(mContext, "排队中，请稍后~", Toast.LENGTH_SHORT).show();
        return;
    case STARTED:
    case LOADING:
        try {
            downloadManager.stopDownload(downloadInfo);
        } catch (DbException e) {
            LogUtils.e(e.getMessage(), e);
        }
        break;
    case FAILURE:
    case CANCELLED:
        try {
            downloadManager.resumeDownload(downloadInfo, new DownloadRequestCallBack());
        } catch (DbException e) {
            LogUtils.e(e.getMessage(), e);
        }
        notifyDataSetChanged();
        break;
    case SUCCESS:
        if (Common.isAppInstall(mContext, downloadInfo.getPkg())) {
            startBtn.setText(R.string.tv_open);
            Common.openApp(mContext, downloadInfo.getPkg());
        } else {
            startBtn.setText(R.string.tv_install);
            if (SDCardTools.exists(downloadInfo.getFileSavePath())) {
                Common.installAPK(downloadInfo.getFileSavePath(), mContext);
            }
        }
        break;
    default:
        break;
    }
    notifyDataSetChanged();
}

@OnClick(R.id.btn_del)
public void del(View v) {
    AlertDialog alertDialog = new AlertDialog.Builder(mContext).setTitle(R.string.app_name).setMessage("您确定要删除么？").setPositiveButton("确定", new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialog, int whichButton) {
            remove(downloadInfo);
        }
    }).setNegativeButton("取消", new OnClickListener() {

        @Override
        public void onClick(DialogInterface dialog, int which) {
            dialog.cancel();
        }
    }).create();
    alertDialog.show();

}

public void remove(DownloadInfo downloadInfo) {
    try {
        downloadManager.removeDownload(downloadInfo);
        SDCardTools.delFiel(downloadInfo.getFileSavePath());
    } catch (DbException e) {
        LogUtils.e(e.getMessage(), e);
    }
    notifyDataSetChanged();
}

public void refresh() {
     bitmapTools.disPlay(icon, downloadInfo.getIcon());
     name.setText(downloadInfo.getFileName());
     if (Common.isAppInstall(mContext, downloadInfo.getPkg())) {
     startBtn.setText("打开");
     return;
     }
    if (downloadInfo.getFileLength() > 0) {
        int progress = (int) (downloadInfo.getProgress() * 100 / downloadInfo.getFileLength());
        progressBar.setProgress(progress);
         tv_progress.setText(mContext.getString(R.string.PROGRESS,
         progress) + "%");
    } else {
        progressBar.setProgress(0);
         tv_progress.setText("0%");
    }

    HttpHandler.State state = downloadInfo.getState();

    switch (state) {
    case WAITING:
        this.state.setText("等待中...");
        startBtn.setText("等待中...");
        break;
    case STARTED:
        this.state.setText("开始下载");
        startBtn.setText("暂停");
        break;
    case LOADING:
        this.state.setText("正在下载");
        startBtn.setText("暂停");
        break;
    case CANCELLED:
        this.state.setText("已暂停");
        startBtn.setText("继续");
        break;
    case SUCCESS:
        this.state.setText("成功");
        startBtn.setText("安装");
        break;
    case FAILURE:
        this.state.setText("失败");
        startBtn.setText("重试");
        break;
    default:
        break;
    }
}

}

private class DownloadRequestCallBack extends RequestCallBack {
private void refreshListItem() {
if (userTag == null)
return;
WeakReference tag = (WeakReference) userTag;
DownloadItemViewHolder holder = (DownloadItemViewHolder) tag.get();
if (holder != null) {
holder.refresh();
}
}

@Override
public void onStart() {
    refreshListItem();
}

@Override
public void onLoading(long total, long current, boolean isUploading) {
    refreshListItem();
}

@Override
public void onSuccess(ResponseInfo<File> responseInfo) {
    refreshListItem();
}

@Override
public void onFailure(HttpException error, String msg) {
    refreshListItem();
}

@Override
public void onCancelled() {
    refreshListItem();
}

}
}