好吧,我正在下載文件(圖片)。我想在下載完成時發送帶有圖像本地URI的消息。但是,20%的時間我得到這個:DownloadManager發送STATUS_SUCCESSFUL失敗的下載
6-01 18:46:39.900: INFO/DownloadManager(412): Initiating request for download 605
06-01 18:46:39.910: WARN/DownloadManager(412): Aborting request for download 605: Trying to resume a download that can't be resumed
06-01 18:46:39.910: INFO/ololo(2826): Okay, I'll broadcast.
06-01 18:46:39.990: WARN/ImageView(2826): Unable to open content: content://downloads/my_downloads/605
java.io.FileNotFoundException: No filename found.
at android.database.DatabaseUtils.readExceptionWithFileNotFoundExceptionFromParcel(DatabaseUtils.java:145)...
06-01 18:46:39.990: INFO/System.out(2826): resolveUri failed on bad bitmap uri: content://downloads/my_downloads/605
06-01 18:46:39.990: INFO/ololo(2826): content://downloads/my_downloads/605 was set for [email protected]
下面是代碼
Long downloadId = downloadIds.get(this);
if(downloadId == intent.getLongExtra(DownloadManager.EXTRA_DOWNLOAD_ID, -1)) {
DownloadManager.Query query = new DownloadManager.Query();
query.setFilterById(downloadId);
Cursor cursor = downloadManager.query(query);
if(cursor.moveToFirst()) {
switch (cursor.getInt(cursor.getColumnIndex(DownloadManager.COLUMN_STATUS))) {
case DownloadManager.STATUS_SUCCESSFUL : {
Log.i("ololo", "Okay, I'll broadcast.");
// Broadcasting
break;
}
case DownloadManager.STATUS_FAILED : {
Log.i("ololo", "Bad, I won't broadcast.");
int reason = cursor.getInt(cursor.getColumnIndex(DownloadManager.COLUMN_REASON));
if(reason == DownloadManager.ERROR_CANNOT_RESUME || reason == DownloadManager.ERROR_UNKNOWN) {
// Rerun download
}
break;
}
default:
break;
}
}
}
嗨,我有同樣的問題。你有沒有解決它或明白什麼是錯的? –
@TalKanel問題只發生在三星設備上(Galaxy Tab 10.1或其他,在3.2或2.3.3或4.0上 - 這並不重要,從未發生過任何HTC)。我認爲他們自己的_buggy_實現了'DownloadManager'。所以我的團隊領導寫下了自己的想法,並且效果很好。 – efpies
太糟糕了,我需要在三星平板電腦P7510和P5110(GALAXY TAB 10.1 ONE和TWO)中使用它,我需要它在您提到的特定操作系統版本上工作..所以我想我必須實施我自己的解決方法。 。 –