ブートクラスローダーを使用してクラスが見つかりません

これについていくつかの質問がありますが、解決策を得ることができません。私が試したすべてが失敗した、誰かが私が間違っていることを知っていますか？ここでブートクラスローダーを使用してクラスが見つかりません

は誤りである：ここでは

07-09 12:05:20.772 17337-17337/com.spaceshooter.game E/AndroidRuntime: FATAL EXCEPTION: main 
                     Process: com.spaceshooter.game, PID: 17337 
                     java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.spaceshooter.game/com.spaceshooter.game.AndroidLauncher}: java.lang.ClassNotFoundException: Didn't find class "com.spaceshooter.game.AndroidLauncher" on path: DexPathList[[zip file "/data/app/com.spaceshooter.game-2/base.apk"],nativeLibraryDirectories=[/data/app/com.spaceshooter.game-2/lib/arm, /data/app/com.spaceshooter.game-2/base.apk!/lib/armeabi-v7a, /vendor/lib, /system/lib]] 
                      at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3093) 
                      at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3349) 
                      at android.app.ActivityThread.access$1100(ActivityThread.java:221) 
                      at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1794) 
                      at android.os.Handler.dispatchMessage(Handler.java:102) 
                      at android.os.Looper.loop(Looper.java:158) 
                      at android.app.ActivityThread.main(ActivityThread.java:7225) 
                      at java.lang.reflect.Method.invoke(Native Method) 
                      at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230) 
                      at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120) 
                     Caused by: java.lang.ClassNotFoundException: Didn't find class "com.spaceshooter.game.AndroidLauncher" on path: DexPathList[[zip file "/data/app/com.spaceshooter.game-2/base.apk"],nativeLibraryDirectories=[/data/app/com.spaceshooter.game-2/lib/arm, /data/app/com.spaceshooter.game-2/base.apk!/lib/armeabi-v7a, /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 android.app.Instrumentation.newActivity(Instrumentation.java:1095) 
                      at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3083) 
                      at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3349)  
                      at android.app.ActivityThread.access$1100(ActivityThread.java:221)  
                      at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1794)  
                      at android.os.Handler.dispatchMessage(Handler.java:102)  
                      at android.os.Looper.loop(Looper.java:158)  
                      at android.app.ActivityThread.main(ActivityThread.java:7225)  
                      at java.lang.reflect.Method.invoke(Native Method)  
                      at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230)  
                      at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)  
                     Suppressed: java.lang.ClassNotFoundException: com.spaceshooter.game.AndroidLauncher 
                      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) 
                       ... 12 more 
                     Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack trace available

は私のアンドロイドランチャークラスである：ここで

package com.spaceshooter.game; 

import android.os.Bundle; 

import com.badlogic.gdx.backends.android.AndroidApplication; 
import com.badlogic.gdx.backends.android.AndroidApplicationConfiguration; 
import com.spencergang.game.SSGame; 

public class AndroidLauncher extends AndroidApplication { 
    @Override 
    protected void onCreate (Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     AndroidApplicationConfiguration config = new AndroidApplicationConfiguration(); 
     config.useAccelerometer = true; 
     config.useCompass = true; 
     initialize(new SSGame(), config); 
    } 
}

はスクリーンショットです：