/**
* 执行下载操作
*
* @param downloadTask 要下载的业务信息
*/
public void downloadTask(DownloadItem item, DownloadFileTask downloadTask) {
/** 正在下载和暂停的都不用去管了 */
if (null != item && item.status == DownloadItem.STATUS_DOWNLOADING) {
return;
}
final File file = new File(item.filePath);
/** 已经下载完成了的，也就不用管了 */
if (FileHelper.isFileExist(file) && file.length() == item.fileSize
|| item.status == DownloadItem.STATUS_FINISHED) {
return;
}
// 检查现在已经下载了多少
if (FileHelper.isFileExist(file)) {
item.breakpoint = file.length();
}
if ((item.isPaused()
|| item.status == DownloadItem.STATUS_WAITING
|| item.status == DownloadItem.STATUS_FAILED)
&& item.breakpoint != 0
&& item.breakpoint < item.fileSize) {
downloadTask.setBreakPoint(item.breakpoint);
downloadTask.setBreakPointHeader();
}
item.setStatus(DownloadItem.STATUS_WAITING);
item.downloadTask = downloadTask;
/** 下载任务 */
addRequest(downloadTask);
}
/**
* 个人资料页面下载添加任务 <功能详细描述>
*
* @param item [参数说明]
* @return void [返回类型说明]
* @exception throws [违例类型] [违例说明]
* @see [类、类#方法、类#成员]
*/
public void addDownloadTask(DownloadItem item, int type) {
lstDownloadTask.add(0, item);
DownloadFileTask downloadTask = new DownloadFileTask(item, item.downloadServer, item.filePath);
downloadTask.setContext(item.context);
downloadTask.handler = item.handler;
downloadTask.requestType = type;
// 下载任务
downloadTask(item, downloadTask);
}
/**
* <一句话功能简述> 由于消息的下载需要传请求体，且是post请求。
*
* @param item
* @param reqBody [参数说明] 下载请求体
* @return void [返回类型说明]
* @exception throws [违例类型] [违例说明]
* @see [类、类#方法、类#成员]
*/
public void addDownloadMsgNoVideosTask(DownloadItem item, String reqBody) {
byte[] data = null;
if (null != reqBody) {
try {
LogX.getInstance().i(TAG, "post Data: " + reqBody);
data = reqBody.getBytes("utf-8");
} catch (Exception e) {
LogX.getInstance().e(TAG, e.toString());
}
}
DownloadFileTask downloadTask = new DownloadFileTask(item, item.downloadServer, item.filePath);
downloadTask.requestType = DownloadFileTask.POST;
downloadTask.dataBuf = data;
downloadTask.setContext(item.context);
downloadTask.fileModeType = item.fileModeType;
item.downloadTask = downloadTask;
addRequest(downloadTask);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_city_cam);
textName = (TextView) findViewById(R.id.textName);
textCity = (TextView) findViewById(R.id.textCity);
textRating = (TextView) findViewById(R.id.textRating);
textViews = (TextView) findViewById(R.id.textViews);
city = getIntent().getParcelableExtra(EXTRA_CITY);
if (city == null) {
Log.w(TAG, "City object not provided in extra parameter: " + EXTRA_CITY);
finish();
}
camImageView = (ImageView) findViewById(R.id.cam_image);
progressView = (ProgressBar) findViewById(R.id.progress);
getSupportActionBar().setTitle(city.name);
progressView.setVisibility(View.VISIBLE);
// Здесь должен быть код, инициирующий асинхронную загрузку изображения с веб-камеры
// в выбранном городе.
if (savedInstanceState != null) {
// Пытаемся получить ранее запущенный таск
downloadTask = (DownloadFileTask) getLastCustomNonConfigurationInstance();
}
if (downloadTask == null) {
downloadTask = new DownloadFileTask(this);
downloadTask.execute();
} else {
downloadTask.attachActivity(this);
}
}
protected void pickImage() {
String imageUrl = mImages.get(mCurrentImage);
// And here it is possible to download it... so on,
// then return file path.
// Download MP3 file
try {
progressDialog =
ProgressDialog.show(
this,
gtxt(R.string.multimedia_editor_progress_wait_title),
gtxt(R.string.multimedia_editor_imgs_saving_image),
true,
false);
mDownloadMp3Task = new DownloadFileTask();
mDownloadMp3Task.setActivity(this);
mDownloadMp3Task.setAddress(imageUrl);
mDownloadMp3Task.execute();
} catch (Exception e) {
progressDialog.dismiss();
returnFailure(gtxt(R.string.multimedia_editor_something_wrong));
}
}
