static jint android_media_visualizer_native_setEnabled(JNIEnv *env, jobject thiz, jboolean enabled) { Visualizer* lpVisualizer = getVisualizer(env, thiz); if (lpVisualizer == NULL) { return VISUALIZER_ERROR_NO_INIT; } jint retVal = translateError(lpVisualizer->setEnabled(enabled)); if (!enabled) { visualizerJniStorage* lpJniStorage = (visualizerJniStorage *)env->GetLongField( thiz, fields.fidJniData); if (NULL != lpJniStorage) lpJniStorage->mCallbackData.cleanupBuffers(); } return retVal; }