12-23 18:03:20.478: E/AndroidRuntime(4347): FATAL EXCEPTION: main 12-23 18:03:20.478: E/AndroidRuntime(4347): Process: com.example.swipelayout, PID: 4347 12-23 18:03:20.478: E/AndroidRuntime(4347): java.lang.NoClassDefFoundError: Failed resolution of: Lcom/wdullaer/swipeactionadapter/SwipeActionAdapter; 12-23 18:03:20.478: E/AndroidRuntime(4347): at com.example.swipelayout.MainActivity.onCreate(MainActivity.java:39) 12-23 18:03:20.478: E/AndroidRuntime(4347): at android.app.Activity.performCreate(Activity.java:5937) 12-23 18:03:20.478: E/AndroidRuntime(4347): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1105) 12-23 18:03:20.478: E/AndroidRuntime(4347): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2251) 12-23 18:03:20.478: E/AndroidRuntime(4347): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2360) 12-23 18:03:20.478: E/AndroidRuntime(4347): at android.app.ActivityThread.access$800(ActivityThread.java:144) 12-23 18:03:20.478: E/AndroidRuntime(4347): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1278) 12-23 18:03:20.478: E/AndroidRuntime(4347): at android.os.Handler.dispatchMessage(Handler.java:102) 12-23 18:03:20.478: E/AndroidRuntime(4347): at android.os.Looper.loop(Looper.java:135) 12-23 18:03:20.478: E/AndroidRuntime(4347): at android.app.ActivityThread.main(ActivityThread.java:5221) 12-23 18:03:20.478: E/AndroidRuntime(4347): at java.lang.reflect.Method.invoke(Native Method) 12-23 18:03:20.478: E/AndroidRuntime(4347): at java.lang.reflect.Method.invoke(Method.java:372) 12-23 18:03:20.478: E/AndroidRuntime(4347): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899) 12-23 18:03:20.478: E/AndroidRuntime(4347): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694) 12-23 18:03:20.478: E/AndroidRuntime(4347): Caused by: java.lang.ClassNotFoundException: Didn't find class "com.wdullaer.swipeactionadapter.SwipeActionAdapter" on path: DexPathList[[zip file "/data/app/com.example.swipelayout-2/base.apk"],nativeLibraryDirectories=[/vendor/lib, /system/lib]] 12-23 18:03:20.478: E/AndroidRuntime(4347): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56) 12-23 18:03:20.478: E/AndroidRuntime(4347): at java.lang.ClassLoader.loadClass(ClassLoader.java:511) 12-23 18:03:20.478: E/AndroidRuntime(4347): at java.lang.ClassLoader.loadClass(ClassLoader.java:469) 12-23 18:03:20.478: E/AndroidRuntime(4347): ... 14 more 12-23 18:03:20.478: E/AndroidRuntime(4347): Suppressed: java.lang.ClassNotFoundException: com.wdullaer.swipeactionadapter.SwipeActionAdapter 12-23 18:03:20.478: E/AndroidRuntime(4347): at java.lang.Class.classForName(Native Method) 12-23 18:03:20.478: E/AndroidRuntime(4347): at java.lang.BootClassLoader.findClass(ClassLoader.java:781) 12-23 18:03:20.478: E/AndroidRuntime(4347): at java.lang.BootClassLoader.loadClass(ClassLoader.java:841) 12-23 18:03:20.478: E/AndroidRuntime(4347): at java.lang.ClassLoader.loadClass(ClassLoader.java:504) 12-23 18:03:20.478: E/AndroidRuntime(4347): ... 15 more 12-23 18:03:20.478: E/AndroidRuntime(4347): Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack available