Exception of Video Wallpaper

Question

Hi  there!
I have following exception in my video wallpaper Example please Suggest me solution of this.
07-25 09:55:13.099: D/GLWVD(339): constructor()
07-25 09:55:13.099: D/GLWVD(339): onCreate()
07-25 09:55:13.099: D/GLWVD(339): transferring video asset to sdcard
07-25 09:55:13.279: E/GLWVD(339): /sdcard/VIDEOWALL102344df@#% (Permission denied)
07-25 09:55:13.289: D/GLWVD(339): transferred
07-25 09:55:13.360: W/dalvikvm(339): Exception Ljava/lang/UnsatisfiedLinkError; thrown during Lfrankandrobot/glwallpapervideodemo/com/NativeCalls;.<clinit>
07-25 09:55:13.360: D/AndroidRuntime(339): Shutting down VM
07-25 09:55:13.360: W/dalvikvm(339): threadid=1: thread exiting with uncaught exception (group=0x4001d800)
07-25 09:55:13.739: E/AndroidRuntime(339): FATAL EXCEPTION: main
07-25 09:55:13.739: E/AndroidRuntime(339): java.lang.ExceptionInInitializerError
07-25 09:55:13.739: E/AndroidRuntime(339):     at frankandrobot.glwallpapervideodemo.com.GLWallpaperVideoDemo.onCreate(GLWallpaperVideoDemo.java:73)
07-25 09:55:13.739: E/AndroidRuntime(339):     at android.app.ActivityThread.handleCreateService(ActivityThread.java:2959)
07-25 09:55:13.739: E/AndroidRuntime(339):     at android.app.ActivityThread.access$3300(ActivityThread.java:125)
07-25 09:55:13.739: E/AndroidRuntime(339):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2087)
07-25 09:55:13.739: E/AndroidRuntime(339):     at android.os.Handler.dispatchMessage(Handler.java:99)
07-25 09:55:13.739: E/AndroidRuntime(339):     at android.os.Looper.loop(Looper.java:123)
07-25 09:55:13.739: E/AndroidRuntime(339):     at android.app.ActivityThread.main(ActivityThread.java:4627)
07-25 09:55:13.739: E/AndroidRuntime(339):     at java.lang.reflect.Method.invokeNative(Native Method)
07-25 09:55:13.739: E/AndroidRuntime(339):     at java.lang.reflect.Method.invoke(Method.java:521)
07-25 09:55:13.739: E/AndroidRuntime(339):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
07-25 09:55:13.739: E/AndroidRuntime(339):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
07-25 09:55:13.739: E/AndroidRuntime(339):     at dalvik.system.NativeStart.main(Native Method)
07-25 09:55:13.739: E/AndroidRuntime(339): Caused by: java.lang.UnsatisfiedLinkError: Library avcore not found
07-25 09:55:13.739: E/AndroidRuntime(339):     at java.lang.Runtime.loadLibrary(Runtime.java:461)
07-25 09:55:13.739: E/AndroidRuntime(339):     at java.lang.System.loadLibrary(System.java:557)
07-25 09:55:13.739: E/AndroidRuntime(339):     at frankandrobot.glwallpapervideodemo.com.NativeCalls.<clinit>(NativeCalls.java:26)
07-25 09:55:13.739: E/AndroidRuntime(339):     ... 12 more