[英]How to import the Kryonet library to a libGdx project on Android Studio
[英]Android Studio | Libgdx | Adding Kryonet Library - NoClassDefFoundError
我目前正在開發Android游戲並希望實現多人游戲。 所以我想使用Kryonet:
並在build.gradle中將其添加為Module:
dependencies { compile files('src/libs/kryonet-2.21-all.jar') }
在Android Studio中它似乎工作,我可以訪問所有導入等,但在我的設備上運行應用程序時...它崩潰了
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
我嘗試/ gradlew清潔cmd和其他東西,但沒有任何幫助。 請給我一個暗示,因為幾個小時后我就卡住了..謝謝!
確保添加:
dependencies {
compile files('src/libs/kryonet-2.21-all.jar')
}
在
project(":android")
在您的build.gradle文件中,而不僅僅是桌面項目
我找到了解決方案。 我做錯了。 如何將Kryonet添加到libgdx - Android項目:
project(":core")
- dependencies
並添加: compile "com.esotericsoftware:kryo:3.0.1" compile ("com.esotericsoftware:kryonet:2.22.0-RC1") { exclude module : 'kryo' }
重要的是添加Kryonet,排除Kryo並單獨添加Kryo。 像那樣你可以避免這個例外:
UNEXPECTED TOP-LEVEL EXCEPTION: com.android.dex.DexException: Multiple dex files define
我希望我可以幫助這個人!
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