Hy。我正在開發一個Android應用程序,我正在從服務器下載視頻。我沒有問題同時下載多個視頻並將其保存在SD卡中。我正在使用DownloadManager類進行下載。我可以在狀態欄中看到下載圖標,並在通知區域下載進度,並由DownloadManger自己管理。我有一個單獨的標籤名稱下載,我使用的是一個列表視圖來顯示以前下載的視頻,但現在我也必須顯示當前下載的視頻進度條。我的問題是 1 - 如何讓當前正在下載的視頻以列表視圖顯示 2 - 如何維護所有視頻的進度條。用進度條下載多個視頻
這是一個圖像連接到顯示我想要實現我當前的代碼
String urlDownload = "https://dl.dropbox.com/s/ex4clsfmiu142dy/test.zip?token_hash=AAGD-XcBL8C3flflkmxjbzdr7_2W_i6CZ_3rM5zQpUCYaw&dl=1";
DownloadManager.Request request = new DownloadManager.Request(Uri.parse(urlDownload));
request.setDescription("Testando");
request.setTitle("Download");
request.allowScanningByMediaScanner();
request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, "teste.zip");
final DownloadManager manager = (DownloadManager) getSystemService(Context.DOWNLOAD_SERVICE);
final long downloadId = manager.enqueue(request);
final ProgressBar mProgressBar = (ProgressBar) findViewById(R.id.progressBar1);
new Thread(new Runnable() {
@Override
public void run() {
boolean downloading = true;
while (downloading) {
DownloadManager.Query q = new DownloadManager.Query();
q.setFilterById(downloadId);
Cursor cursor = manager.query(q);
cursor.moveToFirst();
int bytes_downloaded = cursor.getInt(cursor
.getColumnIndex(DownloadManager.COLUMN_BYTES_DOWNLOADED_SO_FAR));
int bytes_total = cursor.getInt(cursor.getColumnIndex(DownloadManager.COLUMN_TOTAL_SIZE_BYTES));
if (cursor.getInt(cursor.getColumnIndex(DownloadManager.COLUMN_STATUS)) == DownloadManager.STATUS_SUCCESSFUL) {
downloading = false;
}
final int dl_progress = (int) ((double)bytes_downloaded/(double)bytes_total * 100f);
runOnUiThread(new Runnable() {
@Override
public void run() {
mProgressBar.setProgress((int) dl_progress);
}
});
Log.d(Constants.MAIN_VIEW_ACTIVITY, statusMessage(cursor));
cursor.close();
}
}
}).start();
。任何幫助都會有所幫助。感謝 如果你想顯示從您的卡或存儲所有的視頻,你可以參考
發佈您當前的代碼 – Mushirih