Sorry video splash screen cannot be played in android

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http://stackoverflow.com – i followed a tutorial on making a video splash screen, but when i tried running the application, it says sorry this video cannot be played when it gets to the point where the video is suppose to show, i have tried using mp4 and 3gp format of video and still no solution.please help i will kindly accept your answer if it works, Thank you public class Splash extends Activity implements OnCompletionListener { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.splash); VideoView video = (VideoView) findViewById(R.id (HowTos)