start static method
Starts recording audio to the specified filePath.
Returns true if the recording started successfully.
Implementation
static bool start(String filePath) {
final ffi.Pointer<Utf8> filePathPtr = filePath.toNativeUtf8();
final success = _startNative(filePathPtr);
calloc.free(filePathPtr);
if (success) {
_isRecording = true;
_isPaused = false;
}
return success;
}