Android开发之ListView实现Item局部刷新

holder.statusIcon = (DownloadPercentView) view.findViewById(R.id.status_icon); holder.name = (TextView) view.findViewById(R.id.name);

holder.downloadPercent = (TextView) view.findViewById(R.id.download_percent); holder.progressBar = (ProgressBar) view.findViewById(R.id.progressbar);

setData(holder, itemIndex); }

/** * 根据状态设置图标

* @param downloadPercentView * @param status

*/ private void setIconByStatus(DownloadPercentView downloadPercentView, AppContent.Status status) {

downloadPercentView.setVisibility(View.VISIBLE); if(status == AppContent.Status.PENDING) {

downloadPercentView.setStatus(DownloadPercentView.STATUS_PEDDING); }

if(status == AppContent.Status.DOWNLOADING) { downloadPercentView.setStatus(DownloadPercentView.STATUS_DOWNLOADING);

} if(status == AppContent.Status.WAITING) {

downloadPercentView.setStatus(DownloadPercentView.STATUS_WAITING); }

if(status == AppContent.Status.PAUSED) { downloadPercentView.setStatus(DownloadPercentView.STATUS_PAUSED);

} if(status == AppContent.Status.FINISHED) {

downloadPercentView.setStatus(DownloadPercentView.STATUS_FINISHED); }

} private class ViewHolder {

private DownloadPercentView statusIcon; private TextView name;

private TextView downloadPercent; private ProgressBar progressBar;

} }