我目前正在开发一款 Android 游戏,并希望实现多人游戏。所以我想使用 Kryonet:
- 我下载了库(https://github.com/EsotericSoftware/kryonet/releases)
- 在我的核心模块中创建了一个 libs 文件夹
- 将 kryonet-2.21-all.jar 复制到其中
并将其作为模块添加到 build.gradle 中:
dependencies { compile files('src/libs/kryonet-2.21-all.jar') }
在 Android Studio 中它似乎可以工作,我可以访问所有导入等,但是在我的设备上运行应用程序时..它崩溃了
07-16 00:00:44.419 12176-12196/com.cookedapps.robotredemption.android E/AndroidRuntime﹕ FATAL EXCEPTION: GLThread 3363
Process: com.cookedapps.robotredemption.android, PID: 12176
java.lang.NoClassDefFoundError: Failed resolution of: Lcom/esotericsoftware/kryonet/Server;
at com.cookedapps.robotredemption.server.GameServer.<init>(GameServer.java:20)
at com.cookedapps.robotredemption.states.Play.<init>(Play.java:73)
at com.cookedapps.robotredemption.handlers.GameStateManager.getState(GameStateManager.java:39)
at com.cookedapps.robotredemption.handlers.GameStateManager.pushState(GameStateManager.java:49)
at com.cookedapps.robotredemption.handlers.GameStateManager.<init>(GameStateManager.java:21)
at com.cookedapps.robotredemption.main.Game.create(Game.java:41)
at com.badlogic.gdx.backends.android.AndroidGraphics.onSurfaceChanged(AndroidGraphics.java:241)
at android.opengl.GLSurfaceView$GLThread.guardedRun(GLSurfaceView.java:1520)
at android.opengl.GLSurfaceView$GLThread.run(GLSurfaceView.java:1248)
Caused by: java.lang.ClassNotFoundException: Didn't find class "com.esotericsoftware.kryonet.Server" on path: DexPathList[[zip file "/data/app/com.cookedapps.robotredemption.android-2/base.apk"],nativeLibraryDirectories=[/data/app/com.cookedapps.robotredemption.android-2/lib/arm, /vendor/lib, /system/lib]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
at java.lang.ClassLoader.loadClass(ClassLoader.java:469)
at com.cookedapps.robotredemption.server.GameServer.<init>(GameServer.java:20)
at com.cookedapps.robotredemption.states.Play.<init>(Play.java:73)
at com.cookedapps.robotredemption.handlers.GameStateManager.getState(GameStateManager.java:39)
at com.cookedapps.robotredemption.handlers.GameStateManager.pushState(GameStateManager.java:49)
at com.cookedapps.robotredemption.handlers.GameStateManager.<init>(GameStateManager.java:21)
at com.cookedapps.robotredemption.main.Game.create(Game.java:41)
at com.badlogic.gdx.backends.android.AndroidGraphics.onSurfaceChanged(AndroidGraphics.java:241)
at android.opengl.GLSurfaceView$GLThread.guardedRun(GLSurfaceView.java:1520)
at android.opengl.GLSurfaceView$GLThread.run(GLSurfaceView.java:1248)
Suppressed: java.lang.ClassNotFoundException: com.esotericsoftware.kryonet.Server
at java.lang.Class.classForName(Native Method)
at java.lang.BootClassLoader.findClass(ClassLoader.java:781)
at java.lang.BootClassLoader.loadClass(ClassLoader.java:841)
at java.lang.ClassLoader.loadClass(ClassLoader.java:504)
... 10 more
Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack available
我在 cmd 和其他东西中尝试了 /gradlew clean ,但没有任何帮助。请给我一个提示,我已经坚持了几个小时了。谢谢!