public static void ShareSong(Context context, long id)
{
var projection = new[]
{
BaseColumns.Id,
MediaStore.MediaColumns.Data,
MediaStore.Audio.AudioColumns.AlbumId
};
var selection = $"{projection[0]} IN ({id})";
var c = context.ContentResolver.Query(MediaStore.Audio.Media.ExternalContentUri, projection, selection, null, null);
if (c is null)
{
return;
}
c.MoveToFirst();
try
{
var share = new Intent(Intent.ActionSend);
share.SetType("audio/*");
share.PutExtra(Intent.ExtraStream, Uri.FromFile(new Java.IO.File(c.GetString(1))));
context.StartActivity(Intent.CreateChooser(share, "Share the song"));
c.Close();
}
catch { }
}
internal static AndroidUri GetShareableFileUri(FileBase file)
{
Java.IO.File sharedFile;
if (FileProvider.IsFileInPublicLocation(file.FullPath))
{
// we are sharing a file in a "shared/public" location
sharedFile = new Java.IO.File(file.FullPath);
}
else
{
var root = FileProvider.GetTemporaryRootDirectory();
var tmpFile = FileSystem.GetEssentialsTemporaryFile(root, file.FileName);
System.IO.File.Copy(file.FullPath, tmpFile.CanonicalPath);
sharedFile = tmpFile;
}
// create the uri, if N use file provider
if (HasApiLevelN)
{
return(FileProvider.GetUriForFile(sharedFile));
}
// use the shared file path created
return(AndroidUri.FromFile(sharedFile));
}
void ShareCurrentPhoto()
{
File externalCacheDir = Activity.ExternalCacheDir;
if (externalCacheDir == null)
{
Toast.MakeText(Activity, "Error writing to USB/external storage.",
ToastLength.Short).Show();
return;
}
// Prevent media scanning of the cache directory.
File noMediaFile = new File(externalCacheDir, ".nomedia");
try {
noMediaFile.CreateNewFile();
} catch (IOException e) {
}
// Write the bitmap to temporary storage in the external storage directory (e.g. SD card).
// We perform the actual disk write operations on a separate thread using the
// {@link AsyncTask} class, thus avoiding the possibility of stalling the main (UI) thread.
File tempFile = new File(externalCacheDir, "tempfile.jpg");
new AsyncTaskImpl(delegate(Java.Lang.Object [] parms) {
/**
* Compress and write the bitmap to disk on a separate thread.
* @return TRUE if the write was successful, FALSE otherwise.
*/
try {
var fo = System.IO.File.OpenWrite(tempFile.AbsolutePath);
if (!mBitmap.Compress(Bitmap.CompressFormat.Jpeg, 60, fo))
{
Toast.MakeText(Activity, "Error writing bitmap data.", ToastLength.Short).Show();
return(false);
}
return(true);
} catch (FileNotFoundException e) {
Toast.MakeText(Activity, "Error writing to USB/external storage.", ToastLength.Short).Show();
return(false);
}
}, delegate {
throw new System.NotImplementedException();
}, delegate(bool result) {
/**
* After doInBackground completes (either successfully or in failure), we invoke an
* intent to share the photo. This code is run on the main (UI) thread.
*/
if (result != true)
{
return;
}
Intent shareIntent = new Intent(Intent.ActionSend);
shareIntent.PutExtra(Intent.ExtraStream, Uri.FromFile(tempFile));
shareIntent.SetType("image/jpeg");
StartActivity(Intent.CreateChooser(shareIntent, "Share photo"));
}).Execute();
}
public string RetrivePathForPDF(string name)
{
string _path = "";
_path = Path.Combine(_newPath, name);
Java.IO.File f = new Java.IO.File(_path);
Uri uri;
if (Build.VERSION.SdkInt >= BuildVersionCodes.N)
{
uri = Uri.Parse("content://" + _path);
}
else
{
Java.IO.File file = new Java.IO.File(_path);
file.SetReadable(true);
//Android.Net.Uri uri = Android.Net.Uri.Parse("file://" + filePath);
uri = Uri.FromFile(file);
}
var uri1 = FileProvider.GetUriForFile(MainActivity.MainActivityInstance.ApplicationContext, MainActivity.MainActivityInstance.ApplicationContext.PackageName + ".provider", f);
return(uri1.Path);
}
private void UpdateGallery(File file)
{
Intent mediaScanIntent = new Intent(Intent.ActionMediaScannerScanFile);
Uri contentUri = Uri.FromFile(file);
mediaScanIntent.SetData(contentUri);
Application.Context.SendBroadcast(mediaScanIntent);
}
private void GalleryAddPhoto()
{
Intent MediaScanIntent = new Intent(Intent.ActionMediaScannerScanFile);
File f = new File(CurrentPhotoPath);
Uri contentUri = Uri.FromFile(f);
MediaScanIntent.SetData(contentUri);
this.SendBroadcast(MediaScanIntent);
}
private void TakeAPicture(object sender, EventArgs e)
{
Intent intent = new Intent(MediaStore.ActionImageCapture);
App._file = new Java.IO.File(App._dir, String.Format("myPhoto_{0}.jpg", Guid.NewGuid()));
intent.PutExtra(MediaStore.ExtraOutput, Uri.FromFile(App._file));
StartActivityForResult(intent, 0);
}
internal static AndroidUri GetShareableFileUri(FileBase file)
{
Java.IO.File sharedFile;
if (FileProvider.IsFileInPublicLocation(file.FullPath))
{
// we are sharing a file in a "shared/public" location
sharedFile = new Java.IO.File(file.FullPath);
}
else
{
var rootDir = FileProvider.GetTemporaryDirectory();
// create a unique directory just in case there are multiple file with the same name
var tmpDir = new Java.IO.File(rootDir, Guid.NewGuid().ToString("N"));
tmpDir.Mkdirs();
tmpDir.DeleteOnExit();
// create the new temprary file
var tmpFile = new Java.IO.File(tmpDir, file.FileName);
tmpFile.DeleteOnExit();
var fileUri = AndroidUri.Parse(file.FullPath);
if (fileUri.Scheme == "content")
{
using var stream = Application.Context.ContentResolver.OpenInputStream(fileUri);
using var destStream = System.IO.File.Create(tmpFile.CanonicalPath);
stream.CopyTo(destStream);
}
else
{
System.IO.File.Copy(file.FullPath, tmpFile.CanonicalPath);
}
sharedFile = tmpFile;
}
// create the uri, if N use file provider
if (HasApiLevelN)
{
var providerAuthority = AppContext.PackageName + ".fileProvider";
return(FileProvider.GetUriForFile(
AppContext.ApplicationContext,
providerAuthority,
sharedFile));
}
// use the shared file path created
return(AndroidUri.FromFile(sharedFile));
}
protected override void OnActivityResult(int requestCode, [GeneratedEnum] Result resultCode, Intent data)
{
base.OnActivityResult(requestCode, resultCode, data);
//from gallery
if (mIsFromGalleryPressed)
{
if (resultCode == Result.Ok)
{
//Stream stream = ContentResolver.OpenInputStream(data.Data); // data parameter from method
//Bitmap bitmap = BitmapFactory.DecodeStream(stream);
// pic = FindViewById<ImageView>(Resource.Id.imageView2);
//pic.SetImageBitmap(bitmap);
// pic = FindViewById<ImageView>(Resource.Id.imageView2);
pic = FindViewById <ImageView>(Resource.Id.imageView1);
pic.SetImageURI(data.Data);
mSaveImageUri = data.Data;
// pic.Visibility = ViewStates.Visible;
mIsFromGalleryPressed = false;
}
}
//from camera
else
{
Intent mediaScanIntent = new Intent(Intent.ActionMediaScannerScanFile);
Uri contentUri = Uri.FromFile(App._file);
mediaScanIntent.SetData(contentUri);
SendBroadcast(mediaScanIntent);
// Display in ImageView. We will resize the bitmap to fit the display.
// Loading the full sized image will consume to much memory
// and cause the application to crash.
int height = Resources.DisplayMetrics.HeightPixels;
int width = pic.Height;
App.bitmap = App._file.Path.LoadAndResizeBitmap(width, height);
if (App.bitmap != null)
{
pic.SetImageBitmap(App.bitmap);
mSaveImageUri = Uri.FromFile(App._file);
// pic.Visibility = ViewStates.Visible;
App.bitmap = null;
}
// Dispose of the Java side bitmap.
GC.Collect();
}
}
protected virtual void ShowFileFromLocalPath(string path, bool delete = false)
{
Java.IO.File f = new Java.IO.File(path);
Uri uri;
if (Build.VERSION.SdkInt >= BuildVersionCodes.N)
{
uri = Uri.Parse("content://" + path);
}
else
{
Java.IO.File file = new Java.IO.File(path);
file.SetReadable(true);
//Android.Net.Uri uri = Android.Net.Uri.Parse("file://" + filePath);
uri = Uri.FromFile(file);
}
var uri1 = FileProvider.GetUriForFile(MainActivity.MainActivityInstance.ApplicationContext, MainActivity.MainActivityInstance.ApplicationContext.PackageName + ".provider", f);
var t = uri1.Authority;
Intent intent = new Intent(Intent.ActionView);
intent.SetDataAndType(uri1, GetMimeType(uri1, path));
intent.AddFlags(ActivityFlags.GrantReadUriPermission);
intent.SetFlags(ActivityFlags.ClearTop | ActivityFlags.ClearWhenTaskReset | ActivityFlags.NewTask);
try
{
Application.Context.StartActivity(intent);
}
catch (ActivityNotFoundException e)
{
}
catch (System.Exception)
{
throw;
}
finally
{
if (delete)
{
Task.Delay(2000);
File.Delete(path);
}
}
}
public void CameraMedia(string CameraForm)
{
Intent intent = new Intent(MediaStore.ActionImageCapture);
AppClass._file = new Java.IO.File(AppClass._dir, String.Format("myPhoto_{0}.jpg", Guid.NewGuid()));
string fullfilename = Android.OS.Environment.ExternalStorageDirectory.AbsolutePath
+ "/" + Android.OS.Environment.DirectoryDownloads;
fullfilename += "/" + String.Format("myPhoto_{0}.jpg", Guid.NewGuid());
AppClass._file = new Java.IO.File(fullfilename);
intent.PutExtra(MediaStore.ExtraOutput, Uri.FromFile(AppClass._file));
MainActivity.CameraForm = CameraForm;
m_Activity.StartActivityForResult(intent, 0);
}
public static Uri GetOutputMediaFile(Context context, string subdir, string name, bool isPhoto, bool saveToAlbum)
{
subdir = subdir ?? String.Empty;
if (String.IsNullOrWhiteSpace(name))
{
string timestamp = DateTime.Now.ToString("yyyyMMdd_HHmmss");
if (isPhoto)
{
name = "IMG_" + timestamp + ".jpg";
}
else
{
name = "VID_" + timestamp + ".mp4";
}
}
string mediaType = (isPhoto) ? Environment.DirectoryPictures : Environment.DirectoryMovies;
var directory = saveToAlbum ? Environment.GetExternalStoragePublicDirectory(mediaType) : context.GetExternalFilesDir(mediaType);
using (Java.IO.File mediaStorageDir = new Java.IO.File(directory, subdir))
{
if (!mediaStorageDir.Exists())
{
if (!mediaStorageDir.Mkdirs())
{
throw new IOException("Couldn't create directory, have you added the WRITE_EXTERNAL_STORAGE permission?");
}
if (!saveToAlbum)
{
// Ensure this media doesn't show up in gallery apps
using (Java.IO.File nomedia = new Java.IO.File(mediaStorageDir, ".nomedia"))
nomedia.CreateNewFile();
}
}
return(Uri.FromFile(new Java.IO.File(GetUniquePath(mediaStorageDir.Path, name, isPhoto))));
}
}
internal static AndroidUri GetShareableFileUri(string filename)
{
Java.IO.File sharedFile;
if (FileProvider.IsFileInPublicLocation(filename))
{
// we are sharing a file in a "shared/public" location
sharedFile = new Java.IO.File(filename);
}
else
{
var rootDir = FileProvider.GetTemporaryDirectory();
// create a unique directory just in case there are multiple file with the same name
var tmpDir = new Java.IO.File(rootDir, Guid.NewGuid().ToString("N"));
tmpDir.Mkdirs();
tmpDir.DeleteOnExit();
// create the new temprary file
var tmpFile = new Java.IO.File(tmpDir, System.IO.Path.GetFileName(filename));
System.IO.File.Copy(filename, tmpFile.CanonicalPath);
tmpFile.DeleteOnExit();
sharedFile = tmpFile;
}
// create the uri, if N use file provider
if (HasApiLevelN)
{
var providerAuthority = AppContext.PackageName + ".fileProvider";
return(FileProvider.GetUriForFile(
AppContext.ApplicationContext,
providerAuthority,
sharedFile));
}
// use the shared file path created
return(AndroidUri.FromFile(sharedFile));
}
private void TakePhoto()
{
Intent TakePhotoIntent = new Intent(MediaStore.ActionImageCapture);
if (TakePhotoIntent.ResolveActivity(PackageManager) != null)
{
File PhotoFile = null;
try
{
PhotoFile = CreateImageFile();
Toast.MakeText(this, PhotoFile.AbsolutePath, ToastLength.Long).Show();
} catch (IOException ex)
{
Toast.MakeText(this, Resource.String.file_error, ToastLength.Short).Show();
return;
}
if (PhotoFile != null)
{
TakePhotoIntent.PutExtra(MediaStore.ExtraOutput, Uri.FromFile(PhotoFile));
StartActivityForResult(TakePhotoIntent, RequestImageCapture);
}
}
}
internal static Task <MediaPickedEventArgs> GetMediaFileAsync(Context context, int requestCode, string action, bool isPhoto, ref Uri path, Uri data, bool saveToAlbum)
{
Task <Tuple <string, bool> > pathFuture;
string originalPath = null;
if (action != Intent.ActionPick)
{
originalPath = path.Path;
// Not all camera apps respect EXTRA_OUTPUT, some will instead
// return a content or file uri from data.
if (data != null && data.Path != originalPath)
{
originalPath = data.ToString();
string currentPath = path.Path;
pathFuture = TryMoveFileAsync(context, data, path, isPhoto, saveToAlbum).ContinueWith(t =>
new Tuple <string, bool>(t.Result ? currentPath : null, false));
}
else
{
pathFuture = TaskFromResult(new Tuple <string, bool>(path.Path, false));
}
}
else if (data != null)
{
originalPath = data.ToString();
path = data;
pathFuture = GetFileForUriAsync(context, path, isPhoto, saveToAlbum);
}
else
{
pathFuture = TaskFromResult <Tuple <string, bool> >(null);
}
return(pathFuture.ContinueWith(t =>
{
string resultPath = t.Result.Item1;
if (resultPath != null && File.Exists(t.Result.Item1))
{
string aPath = null;
if (saveToAlbum)
{
aPath = resultPath;
try
{
var f = new Java.IO.File(resultPath);
//MediaStore.Images.Media.InsertImage(context.ContentResolver,
// f.AbsolutePath, f.Name, null);
try
{
Android.Media.MediaScannerConnection.ScanFile(context, new [] { f.AbsolutePath }, null, context as MediaPickerActivity);
ContentValues values = new ContentValues();
values.Put(MediaStore.Images.Media.InterfaceConsts.Title, Path.GetFileNameWithoutExtension(f.AbsolutePath));
values.Put(MediaStore.Images.Media.InterfaceConsts.Description, string.Empty);
values.Put(MediaStore.Images.Media.InterfaceConsts.DateTaken, Java.Lang.JavaSystem.CurrentTimeMillis());
values.Put(MediaStore.Images.ImageColumns.BucketId, f.ToString().ToLowerInvariant().GetHashCode());
values.Put(MediaStore.Images.ImageColumns.BucketDisplayName, f.Name.ToLowerInvariant());
values.Put("_data", f.AbsolutePath);
var cr = context.ContentResolver;
cr.Insert(MediaStore.Images.Media.ExternalContentUri, values);
}
catch (Exception ex1)
{
Console.WriteLine("Unable to save to scan file: " + ex1);
}
var contentUri = Uri.FromFile(f);
var mediaScanIntent = new Intent(Intent.ActionMediaScannerScanFile, contentUri);
context.SendBroadcast(mediaScanIntent);
}
catch (Exception ex2)
{
Console.WriteLine("Unable to save to gallery: " + ex2);
}
}
var mf = new MediaFile(resultPath, () =>
{
return File.OpenRead(resultPath);
}, deletePathOnDispose: t.Result.Item2, dispose: (dis) =>
{
if (t.Result.Item2)
{
try
{
File.Delete(t.Result.Item1);
// We don't really care if this explodes for a normal IO reason.
}
catch (UnauthorizedAccessException)
{
}
catch (DirectoryNotFoundException)
{
}
catch (IOException)
{
}
}
}, albumPath: aPath);
return new MediaPickedEventArgs(requestCode, false, mf);
}
else
{
return new MediaPickedEventArgs(requestCode, new MediaFileNotFoundException(originalPath));
}
}));
}
