private void BtnDownload_Click(object sender, EventArgs e)
{
FileDelete();
var manager = DownloadManager.FromContext(this);
var url = new System.Uri(string.Format(@"{0}{1}", "http://172.34.34.144:8080/barcodescanner", string.Format("{0}{1}{2}", "/", Application.Context.PackageName, ".apk")));
//var url = new System.Uri(string.Format(@"{0}{1}", "http://172.34.34.144:8080/barcodescanner", string.Format("{0}{1}", "/", "com.daesangit.barcodescanner.apk")));
try
{
var request = new DownloadManager.Request(Android.Net.Uri.Parse(url.ToString()));
request.SetMimeType("application/vnd.android.package-archive");
request.SetTitle("App Download");
request.SetDescription("File Downloading...");
request.SetAllowedNetworkTypes(DownloadNetwork.Wifi | DownloadNetwork.Mobile);
request.SetNotificationVisibility(DownloadVisibility.VisibleNotifyCompleted);
request.SetAllowedOverMetered(true);
request.SetAllowedOverRoaming(true);
request.SetDestinationUri(Android.Net.Uri.FromFile(new Java.IO.File(Android.OS.Environment.GetExternalStoragePublicDirectory(Android.OS.Environment.DirectoryDownloads).AbsolutePath + string.Format("{0}{1}{2}", "/", Application.Context.PackageName, ".apk"))));
System.Console.WriteLine(Android.OS.Environment.DirectoryDownloads);
System.Console.WriteLine(Android.OS.Environment.GetExternalStoragePublicDirectory(Android.OS.Environment.DirectoryDownloads).AbsolutePath);
downloadId = manager.Enqueue(request);
}
catch (Exception ex)
{
System.Console.WriteLine(ex.Message);
}
}
private bool DownLoad(string Url)
{
try
{
/*检查是否有访问存储权限*/
if (requestAllPower() == false)
{
return(false);
}
DownloadManager.Request request = new DownloadManager.Request(Android.Net.Uri.Parse(Url));
request.SetAllowedNetworkTypes(Android.App.DownloadNetwork.Wifi);//设定只有wifi环境下载
request.SetTitle("我的下载");
request.SetDescription("下载一个大文件");
request.SetMimeType("application/vnd.android.package-archive");
request.SetNotificationVisibility(Android.App.DownloadVisibility.Visible | Android.App.DownloadVisibility.VisibleNotifyCompleted);
request.SetDestinationUri(Android.Net.Uri.FromFile(file));
this.RunOnUiThread(() =>
{
Toast.MakeText(this, "正在下载", ToastLength.Short).Show();
});
downloadId = downloadManager.Enqueue(request);
return(true);
}
catch (Exception ex)
{
this.RunOnUiThread(() =>
{
Toast.MakeText(this, ex.ToString(), ToastLength.Short).Show();
});
return(false);
}
}
public async Task DownloadAndInstall(DownloadManager manager)
{
string url = @"https://app.cforce.live/com.payforce.apk";
var source = Android.Net.Uri.Parse(url);
var request = new DownloadManager.Request(source);
request.AllowScanningByMediaScanner();
request.SetAllowedOverRoaming(true);
request.SetDescription("Downloading PayForce");
request.SetAllowedOverMetered(true);
request.SetVisibleInDownloadsUi(true);
string filename = URLUtil.GuessFileName(url, null, MimeTypeMap.GetFileExtensionFromUrl(url));
MainActivity.FileName = filename;
request.SetDestinationInExternalPublicDir(Android.OS.Environment.DirectoryDownloads, filename);
request.SetNotificationVisibility(DownloadManager.Request.VisibilityVisibleNotifyCompleted);
request.SetAllowedNetworkTypes(DownloadNetwork.Wifi | DownloadNetwork.Mobile);
MainActivity.DownloadId = manager.Enqueue(request);
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.AutoUpdateLayout);
progressBar = FindViewById <ProgressBar>(Resource.Id.progressBar1);
textView1 = FindViewById <TextView>(Resource.Id.textView1);
progressBar.Max = 100;
textView1.Text = "0 %";
FileDelete();
var manager = DownloadManager.FromContext(this);
//var manager = (DownloadManager)GetSystemService(Context.DownloadService);
var url = new System.Uri(string.Format(@"{0}{1}", GlobalSetting.Instance.MOBILEEndpoint.ToString(), string.Format("{0}{1}{2}", "/", Application.Context.PackageName, ".apk")));
var request = new DownloadManager.Request(Android.Net.Uri.Parse(url.ToString()));
request.SetMimeType("application/vnd.android.package-archive");
request.SetTitle("App Download");
request.SetDescription("File Downloading...");
request.SetAllowedNetworkTypes(DownloadNetwork.Wifi | DownloadNetwork.Mobile);
request.SetNotificationVisibility(DownloadVisibility.Visible);
request.SetAllowedOverMetered(true); //모바일 네트쿼크
request.SetAllowedOverRoaming(true); //로밍
Java.IO.File path = this.GetExternalFilesDir(Android.OS.Environment.DirectoryDownloads);
request.SetDestinationUri(Android.Net.Uri.FromFile(new Java.IO.File(path, string.Format("{0}{1}", Application.Context.PackageName, ".apk"))));
downloadId = manager.Enqueue(request);
Task.Run(() =>
{
for (; ;)
{
var query = new DownloadManager.Query();
query.SetFilterById(downloadId);
ICursor cursor = manager.InvokeQuery(query);
if (cursor.MoveToFirst())
{
var soFar = cursor.GetDouble(cursor.GetColumnIndex(DownloadManager.ColumnBytesDownloadedSoFar));
var total = cursor.GetDouble(cursor.GetColumnIndex(DownloadManager.ColumnTotalSizeBytes));
RunOnUiThread(() =>
{
progressBar.SetProgress(System.Convert.ToInt32(soFar / total * 100), true);
textView1.Text = string.Format("{0} %", Convert.ToInt32(soFar / total * 100));
});
System.Console.WriteLine(soFar.ToString());
if (soFar.Equals(total))
{
break;
}
}
Thread.Sleep(500);
}
});
}
/// <summary>
/// 开始下载
/// </summary>
public void Start(string apkUrl, string apkName)
{
var receiver = new DownLoadCompleteReceiver();
// 注册广播接收器，当下载完成时自动安装
_context.RegisterReceiver(receiver, new IntentFilter(DownloadManager.ActionDownloadComplete));
if (DownloadMode != DownloadMode.Always)
{
var filePath = AEnvironment.GetExternalStoragePublicDirectory(DownloadDirectory).Path;
file = new JFile(filePath, apkName);
if (file.Exists())
{
Console.WriteLine(file.Path);
if (DownloadMode == DownloadMode.Overwrite)
{
file.Delete();
//更新下载中的显示
//ContentValues values = new ContentValues ();
//values.Put ("deleted", 1);
//COLUMN_DELETED = "deleted";
//CONTENT_URI = Uri.parse("content://downloads/my_downloads");
//ALL_DOWNLOADS_CONTENT_URI = Uri.parse("content://downloads/all_downloads")
//_context.ContentResolver.Update (ContentUris.WithAppendedId (AUri.Parse ("content://downloads/my_downloads"), _downloadID), values, null, null);
_context.ContentResolver.Delete(AUri.Parse("content://downloads/my_downloads"), "_data=?", new string[] { file.Path });
}
else
{
//发送广播
var intent = new Intent();
intent.SetAction(DownloadManager.ActionDownloadComplete);
_context.SendBroadcast(intent);
return;
}
}
}
//判断是否有正在下载的相同任务
DownloadManager.Query downloadQuery = new DownloadManager.Query();
//根据下载状态查询下载任务
downloadQuery.SetFilterByStatus(DownloadStatus.Running);
//根据任务编号查询下载任务信息
//downloadQuery.setFilterById(id);
var cursor = downloadManager.InvokeQuery(downloadQuery);
if (cursor != null)
{
if (cursor.MoveToNext())
{
if (apkUrl.Equals(cursor.GetString(cursor.GetColumnIndex(DownloadManager.ColumnUri))))
{
Toast.MakeText(_context, "已存在的下载任务", ToastLength.Short).Show();
cursor.Close();
return;
}
}
cursor.Close();
}
downLoadRequest = new DownloadManager.Request(AUri.Parse(apkUrl));
downLoadRequest.SetTitle(Title);
downLoadRequest.SetDescription(Description);
downLoadRequest.AllowScanningByMediaScanner();
downLoadRequest.SetVisibleInDownloadsUi(true);
//设置在什么网络情况下进行下载
downLoadRequest.SetAllowedNetworkTypes(AllowedNetworkType);
//设置通知栏标题
downLoadRequest.SetNotificationVisibility(DownloadVisibility.Visible | DownloadVisibility.VisibleNotifyCompleted);
//设置下载文件的mineType
downLoadRequest.SetMimeType("application/com.trinea.download.file");
//downLoadRequest.SetDestinationInExternalFilesDir
//设置保存位置
downLoadRequest.SetDestinationInExternalPublicDir(DownloadDirectory, apkName);
//保存任务ID
_downloadID = downloadManager.Enqueue(downLoadRequest);
}
