public void ShowCamera(View view)
{
Log.Info(TAG, "Show camera button pressed. Checking permission.");
// Check if the Camera permission is already available.
if (PermissionUtil.HasSelfPermission(this, Manifest.Permission.Camera))
{
// Camera permissions is already available, show the camera preview.
Log.Info(TAG, "CAMERA permission has already been granted. Displaying camera preview.");
ShowCameraPreview();
}
else
{
// Camera permission has not been granted.
Log.Info(TAG, "CAMERA permission has NOT been granted. Requesting permission.");
// Provide an additional rationale to the user if the permission was not granted
// and the user would benefit from additional context for the use of the permission.
if (ShouldShowRequestPermissionRationale(Manifest.Permission.Camera))
{
Log.Info(TAG, "Displaying camera permission rationale to provide additional context.");
Toast.MakeText(this, Resource.String.permission_camera_rationale, ToastLength.Short).Show();
}
// Request Camera permission.
RequestPermissions(new string[] { Manifest.Permission.Camera }, REQUEST_CAMERA);
}
}
public void ShowContacts(View v)
{
Log.Info(TAG, "Show contacts button pressed. Checking permissions.");
// Verify that all required contact permissions have been granted.
if (PermissionUtil.HasSelfPermission(this, PERMISSIONS_CONTACT))
{
// Contact permissions have been granted. Show the contacts fragment.
Log.Info(TAG, "Contact permissions have already been granted. Displaying contact details.");
ShowContactDetails();
}
else
{
// Contacts permissions have not been granted.
Log.Info(TAG, "Contact permissions has NOT been granted. Requesting permission.");
// Provide an additional rationale to the user if the permission was not granted
// and the user would benefit from additional context for the use of the permission.
if (ShouldShowRequestPermissionRationale(Manifest.Permission.ReadContacts) ||
ShouldShowRequestPermissionRationale(Manifest.Permission.WriteContacts))
{
Log.Info(TAG, "Displaying contacts permission rationale to provide additional context.");
Toast.MakeText(this, Resource.String.permission_contacts_rationale, ToastLength.Short).Show();
}
// Request Contact permission.
RequestPermissions(PERMISSIONS_CONTACT, REQUEST_CONTACTS);
}
}
public void ShowContacts(View v)
{
Log.Info(TAG, "Show contacts button pressed. Checking permissions.");
// Verify that all required contact permissions have been granted.
if (PermissionUtil.HasSelfPermission(this, PERMISSIONS_CONTACT))
{
Log.Info(TAG, "Contact permissions have already been granted. Displaying contact details.");
// Contact permissions have been granted. Show the contacts fragment.
ShowContactDetails();
}
else
{
Log.Info(TAG, "Contact permissions has NOT been granted. Requesting permission.");
// contact permissions has not been granted (read and write contacts). Request them.
RequestPermissions(PERMISSIONS_CONTACT, REQUEST_CONTACTS);
}
}
public void ShowCamera(View view)
{
Log.Info(TAG, "Show camera button pressed. Checking permission.");
// Check if the Camera permission is already available.
if (PermissionUtil.HasSelfPermission(this, Manifest.Permission.Camera))
{
Log.Info(TAG, "CAMERA permission has already been granted. Displaying camera preview.");
// Camera permissions is already available, show the camera preview.
ShowCameraPreview();
}
else
{
Log.Info(TAG, "CAMERA permission has NOT been granted. Requesting permission.");
// Camera permission has not been granted. Request it.
RequestPermissions(new string[] { Manifest.Permission.Camera }, REQUEST_CAMERA);
}
}