public async void EncryptFileToNewFile()
{
//eg. encrypt a file and generate new encrypted file
//XamEncDec.EncryptFileAsNewFile(<true/false to delete source file>,
//<True=local directory,False=use custom path>, <set string for custom path>,
//<new/existing folder name>, <file name to be encrypted>, <password for encryption>,
//<new file name for encrypted file>);
bool isFileEncrypted = false;
if (Device.RuntimePlatform == Device.Android)
{
isFileEncrypted = await XamEncDec.EncryptFileAsNewFile(false, false,
CrossXamarinFileEncryptorDecryptor.Current.GetAndroidExternalStoragePath(),
"folderName1", "MARBLES.JPG", "myPassword", "MARBLES_ENCRYPTED.JPG");
}
}
private async void EncryptFileToNewFile_Clicked(object sender, EventArgs e)
{
if (ent_filetofile_filename.Text != "" && ent_filetofile_filename.Text != null)
{
var file = await CrossFilePicker.Current.PickFile();
if (file != null)
{
await Navigation.PushModalAsync(popup);
await Task.Delay(5000);
StringBuilder stb = new StringBuilder(file.FilePath);
int postIndex = IndexOf(stb, file.FileName, 0, true);
string folderPath = stb.Remove(postIndex, file.FilePath.Length - postIndex).ToString();
//convert android content Uri into physical path, normally happens in Android emulator
folderPath = ConvertAndroidContentUriPath(folderPath);
bool isFileEncrypted = await XamEncDec.EncryptFileAsNewFile(false, false, folderPath, "", file.FileName, "myPassword", ent_filetofile_filename.Text);
if (isFileEncrypted)
{
await DisplayAlert("Encrypt", "File successfully encrypted", "OK");
}
else
{
await DisplayAlert("Error", "Encryption failed", "OK");
}
file.Dispose();
await Navigation.PopModalAsync();
}
}
else
{
await DisplayAlert("Error", "Please set the filename", "OK");
}
}
