public class Splash extends Activity{
  private final int SPLASH_DISPLAY_LENGHT = 1000;
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    // TODO Auto-generated method stub
    super.onCreate(savedInstanceState);
    setContentView(R.layout.splash);
    new Handler().postDelayed(new Runnable(){
      @Override
      public void run() {
        // TODO Auto-generated method stub
        Intent mainIntent = new Intent(Splash.this, Application.class);
        Splash.this.startActivity(mainIntent);
        Splash.this.finish();
      }
    }, SPLASH_DISPLAY_LENGHT);
  }
}

<application android:icon="@drawable/icon" android:label="@string/app_name">
    <activity android:name=".Application" android:label="@string/app_name">
      <intent-filter>
        <action android:name="android.intent.action.DEFAULT" />
        <category android:name="ndroid.intent.category.VIEW" />
      </intent-filter>
    </activity>
    <activity android:name="Splash" android:label="@string/app_name">
      <intent-filter>
        <action android:name="android.intent.action.MAIN" />
        <category android:name="android.intent.category.LAUNCHER" />
      </intent-filter>
    </activity>
</application>