LambdaAndroidActivityResultReceiver.h

template <typename T>
class LambdaAndroidActivityResultReceiver : public QObject, public QAndroidActivityResultReceiver
{
public:
	LambdaAndroidActivityResultReceiver(T callback) : m_callback{callback} {}

	void handleActivityResult(int receiverRequestCode, int resultCode, const QAndroidJniObject &data) override {
		Q_UNUSED(receiverRequestCode)
		m_callback(resultCode, data);
		deleteLater();
	}
private:
	T m_callback;
};

template <typename T>
void startActivityForResult(const QAndroidJniObject &intent, T callback) {
	QtAndroid::startActivity(intent, 0, new LambdaAndroidActivityResultReceiver<T>{callback});
}