/// <summary>
/// This is a sample to demonstrate how to query the media database to retrieve media content
/// For more information about media content, see https://docs.tizen.org/application/dotnet/guides/multimedia/media-content
/// </summary>
public static async Task AccessMediaContentSampleAsync()
{
// Ask the user for the permission
PrivacyPermissionStatus permission = await PrivacyPermissionService.RequestAsync(PrivacyPrivilege.MediaStorage);
if (permission != PrivacyPermissionStatus.Granted)
{
// TODO: The permission is not granted
return;
}
using (var database = new MediaDatabase())
{
try
{
// Establish a connection to the media database.
database.Connect();
// Note that the system automactically scans storage and adds media files to the database.
// To request the system to scan a directory explicitly, use MediaDatabase.ScanFolderAsync()
// await database.ScanFolderAsync(path);
// Query the database to retrieve media files and get a Reader containing results.
var command = new MediaInfoCommand(database);
var reader = command.SelectMedia(new SelectArguments()
{
FilterExpression = $"{MediaInfoColumns.MediaType}={(int)MediaType.Music}"
+ $" OR {MediaInfoColumns.MediaType}={(int)MediaType.Sound}"
+ $" OR {MediaInfoColumns.MediaType}={(int)MediaType.Video}"
});
// Iterate over media data in the results.
while (reader.Read())
{
var media = reader.Current;
// TODO: Insert code to do something with a media file.
// Note that your app needs adequate permissions to perform operations on the file
Logger.Info($"{media.MediaType}: {media.Title}");
}
}
catch (MediaDatabaseException)
{
// TODO: Handle exception as appropriate to your scenario.
}
}
}
public static async Task WriteFileToSharedStorageSampleAsync()
{
// Ask the user to grant the privacy permissions at runtime
var permission = await PrivacyPermissionService.RequestAsync(PrivacyPrivilege.MediaStorage);
if (permission != PrivacyPermissionStatus.Granted)
{
// The permission is not granted
return;
}
if (SharedStorageService.Writable)
{
// Store a file in public directory so that other apps can access the file
var directory = SharedStorageService.GetDirectory(Tizen.System.DirectoryType.Downloads);
var path = Path.Combine(directory, "sample.txt");
File.WriteAllText(path, "Hello World!");
}
}
public static async Task RequestPrivacyPermissionSampleAsync()
{
// Note that privileges must be declared manually in manifest
// More details at https://docs.tizen.org/application/dotnet/guides/security/requesting-permissions
// Check whether the app has the permission
if (PrivacyPermissionService.Check(PrivacyPrivilege.MediaStorage) == PrivacyPermissionStatus.Granted)
{
// the permission has already been granted
return;
}
// Ask the user for the permission
PrivacyPermissionStatus permission = await PrivacyPermissionService.RequestAsync(PrivacyPrivilege.MediaStorage);
if (permission != PrivacyPermissionStatus.Granted)
{
// The permission is not granted
}
}
