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對於C SDL庫創建一個Java包裝時,遇到了這樣的例外:無法理解這樣的UnsatisfiedLinkError
Exception in thread "main" java.lang.UnsatisfiedLinkError: com.sdl4j.renderer.SDL_Renderer.SDL_CreateRenderer(Lcom/sdl4j/window/SDL_Window;II)Lcom/sdl4j/renderer/SDL_Renderer;
的Java來電(第1種方法完成罰款,並期待雙方的Java/C++面100%相似):
SDL_Window win = SDL_CreateWindow("Hello World!", 0, 0, 1024, 768, SDL_WindowFlags.SDL_WINDOW_SHOWN);
SDL_Renderer ren = SDL_CreateRenderer(win, -1, SDL_RendererFlags.SDL_RENDERER_ACCELERATED | SDL_RendererFlags.SDL_RENDERER_PRESENTVSYNC);
本地Java函數:
public static native SDL_Renderer SDL_CreateRenderer(SDL_Window window, int index, int flags);
C頭:
* Class: com_sdl4j_renderer_SDL_Renderer
* Method: SDL_CreateRenderer
* Signature: (Lcom/sdl4j/window/SDL_Window;II)Lcom/sdl4j/renderer/SDL_Renderer;
*/
JNIEXPORT jobject JNICALL Java_com_sdl4j_renderer_SDL_1Renderer_SDL_1CreateRenderer
(JNIEnv *, jclass, jobject, jint, jint);
C++實現:
JNIEXPORT jobject JNICALL Java_com_sdl4j_renderer_SDL_1Renderer_SDL_1CreateRenderer(JNIEnv *env, jclass , jobject win, jint index, jint flags) {
cout << "Create renderer: " << endl;
}
不明白爲什麼它不工作,你可以請幫忙。
乾杯
您是否有SDL_CreateRenderer方法的重載? –
剛剛搜索了代碼庫,不,只有1個定義。 –
你用'javah'生成了這個東西嗎?如果沒有,那麼做,並相應地調整C代碼。 – EJP