/**
* 下载一个文件
*
* @param dirType
* @param subPath
* @param url
* @param isOverite 复盖原有文件，删除原来的链接
* @return
*/
public long downLoadFile(
String dirType, String subPath, final String url, boolean isExternal, boolean isOverite) {
if (isOverite) {
// 如果存在就先删除
final File dirtype = context.getExternalFilesDir(dirType);
Uri.Builder builder = Uri.fromFile(dirtype).buildUpon();
builder = builder.appendEncodedPath(subPath);
File file = new File(builder.build().getPath());
if (file.exists()) {
file.delete();
}
// 判断是否在下载列表中，有在下载列表中就先删除
List<DownloadStatus> downloadStatusList = getAllDownloadList();
for (DownloadStatus downloadStatus : downloadStatusList) {
if (downloadStatus.getUrl().equals(url)) {
deleteDownload(downloadStatus.getDownloadId());
}
}
return downLoadFile(dirType, subPath, url, isExternal);
} else {
return downLoadFile(dirType, subPath, url, isExternal);
}
}
