/// <summary>
/// Refreshes the preference fragment view.
/// </summary>
private void RefreshUI()
{
base.PreferenceScreen.RemoveAll();
AddPreferencesFromResource(Resource.Xml.settings_page);
// get the preference for camera preview sizes list
_cameraPreviewSizesListPreference = FindPreference("list_camera_preview_sizes") as Android.Support.V7.Preferences.ListPreference;
// if camera preview size list preference is found
if (_cameraPreviewSizesListPreference != null)
{
// add the camera preview sizes to the list preference with camera preview sizes
_cameraPreviewSizesListPreference.SetEntries(_sizeEntries.ToArray());
_cameraPreviewSizesListPreference.SetEntryValues(_sizeEntryValues.ToArray());
// set the "Auto" value as the default value
_cameraPreviewSizesListPreference.SetValueIndex(0);
}
// get the preference for text encoding list
_textEncodingListPreference = FindPreference("list_encodings") as Android.Support.V7.Preferences.ListPreference;
// if text encoding list preference is found
if (_textEncodingListPreference != null)
{
// add the encoding to the list preference with text encodings
_textEncodingListPreference.SetEntries(_encodingEntries.ToArray());
_textEncodingListPreference.SetEntryValues(_encodingEntryValues.ToArray());
// set the "Default" value as the default value
_textEncodingListPreference.SetValueIndex(0);
}
}
/// <summary>
/// Creates the camera preview size preference.
/// </summary>
private void CreateCameraPreviewSizePreference()
{
// clear information about camera preview sizes
_sizeEntries.Clear();
_sizeEntryValues.Clear();
// get the preference for camera preview sizes list
_cameraPreviewSizesListPreference = FindPreference("list_camera_preview_sizes") as Android.Support.V7.Preferences.ListPreference;
// if camera preview size list preference is found
if (_cameraPreviewSizesListPreference != null)
{
// add "Auto" value to the camera preview sizes
_sizeEntries.AddRange(_cameraPreviewSizesListPreference.GetEntries());
_sizeEntryValues.AddRange(_cameraPreviewSizesListPreference.GetEntryValues());
// if camera controller is not emtpy and camera preview size list is not empty
if (CameraController != null && CameraController.CameraPreviewSizes != null)
{
int sizeIndex = 0;
// for each camera preview size
foreach (Camera.Size size in CameraController.CameraPreviewSizes)
{
// add camera preview size to the camera preview sizes
_sizeEntries.Add(string.Format("{0}x{1}", size.Width, size.Height));
_sizeEntryValues.Add(sizeIndex.ToString());
sizeIndex++;
}
}
// add the camera preview sizes to the list preference with camera preview sizes
_cameraPreviewSizesListPreference.SetEntries(_sizeEntries.ToArray());
_cameraPreviewSizesListPreference.SetEntryValues(_sizeEntryValues.ToArray());
// if camera preview size is not selected
if (CameraController.СameraPreviewSize == null)
{
// set the "Auto" value as the default value
_cameraPreviewSizesListPreference.SetValueIndex(0);
}
}
}
