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java.lang.NoClassDefFoundError: net.simonvt.menudrawer.R$attr	at net.simonvt.menudrawer.MenuDrawer.(MenuDrawer.java:542)	at net.simonvt.menudrawer.MenuDrawer.(MenuDrawer.java:538)	at net.simonvt.menudrawer.MenuDrawer.(MenuDrawer.java:531)	at net.simonvt.menudrawer.DraggableDrawer.(DraggableDrawer.java:159)	at net.simonvt.menudrawer.OverlayDrawer.(OverlayDrawer.java:38)	at net.simonvt.menudrawer.MenuDrawer.createMenuDrawer(MenuDrawer.java:485)	at net.simonvt.menudrawer.MenuDrawer.attach(MenuDrawer.java:456)	at abc.com.abc.BaseActivity.openMenuDrawer(BaseActivity.java:760)	at abc.com.abc.activity.HomeActivity.onCreate(HomeActivity.java:125)	at android.app.Activity.performCreate(Activity.java:5541)	at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1093)	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2368)	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2464)	at android.app.ActivityThread.access$900(ActivityThread.java:172)	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1308)	at android.os.Handler.dispatchMessage(Handler.java:102)	at android.os.Looper.loop(Looper.java:146)	at android.app.ActivityThread.main(ActivityThread.java:5653)	at java.lang.reflect.Method.invokeNative(Native Method)	at java.lang.reflect.Method.invoke(Method.java:515)	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1291)	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1107)	at dalvik.system.NativeStart.main(Native Method)