startLocalPreview method
Implementation
void startLocalPreview(bool frontCamera, int? viewId) {
ffi.Pointer<ffi.Void> viewPointer = ViewPointerFactory.create(viewId);
_trtcFFIBindings.start_local_preview(_trtcsharedInstanceNativePointer, frontCamera, viewPointer);
ViewPointerFactory.free(viewPointer);
}