[英]Unsuccessful download with Download Manager Android 9
我正在尝试使用 Android 9 上的 DownloadManager 从 Internet 下载文件,但我只下载不成功。 这是我正在测试的:
我的清单许可:
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
我的下载代码:
private final String FILE_NAME = "SampleDownloadApp.apk";
String apkUrl = "https://androidwave.com/source/apk/app-pagination-recyclerview.apk";
public void download(Context context) {
DownloadManager dm = (DownloadManager)context.getSystemService(DOWNLOAD_SERVICE);
Uri mUri = Uri.parse(apkUrl);
DownloadManager.Request r = new DownloadManager.Request(mUri);
r.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
Uri uri = Uri.parse("file://" + context.getExternalFilesDir(Environment.DIRECTORY_DOWNLOADS).toString() + "/" + FILE_NAME_2);
r.setDestinationUri(uri);
dm.enqueue(r);
}
我已经在清单中尝试过 android: usesCleartextTraffic = "true" 但什么也没发生。 我在 logcat 和运行中都没有遇到任何错误。
我按照本教程进行操作: https://androidwave.com/download-and-install-apk-programmatically/
我不知道问题可能是什么,有什么解决办法吗?
帮助解决这个问题!
您有问题 URL 尝试了以下操作及其工作
private final String FILE_NAME = "SampleDownloadApp.apk";
String apkUrl = "https://d-10.winudf.com/b/APK/Y29tLm5lbW8udmlkbWF0ZV80MzUxMV9iOTJjMTFkZA?_fn=VmlkTWF0ZSBIRCBWaWRlbyBEb3dubG9hZGVyIExpdmUgVFZfdjQuMzUxMV9hcGtwdXJlLmNvbS5hcGs&_p=Y29tLm5lbW8udmlkbWF0ZQ&am=cCsiKSeBEin6IVuzn-Q2PA&at=1590661203&k=3c1a8eca32edf42751cb3f5fa102d0205ed0e1d3";
public void download(Context context) {
DownloadManager dm = (DownloadManager)context.getSystemService(DOWNLOAD_SERVICE);
Uri mUri = Uri.parse(apkUrl);
DownloadManager.Request r = new DownloadManager.Request(mUri);
r.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
r.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, FILE_NAME);
dm.enqueue(r);
}
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