public class AdListActivity extends RequestPermissionActivity {
private void initializePrerollAd() {
        Handler handler = new Handler(Looper.getMainLooper());
        handler.post(new Runnable() {
            @Override
            public void run() {
        String apiKey  = “”;
        boolean isMainContentFullscreen = true;

        LVDOAdSize adSize = new LVDOAdSize(LVDOAd_WIDTH, LVDOAd_HEIGHT);

        preRollVideoAd = PreRollVideoAd.getInstance(AdListActivity.this);
        preRollVideoAd.setMediaController(new MediaController(AdListActivity.this));

        MVDOAdRequest adRequest = new MVDOAdRequest(AdListActivity.this);
        LocationData locationData = new LocationData(AdListActivity.this);
        adRequest.setLocation(locationData.getDeviceLocation());

        // It is recommended that you update the below parameter - accurate info is required
        adRequest.setAppStoreUrl("");
        adRequest.setRequester("");
        adRequest.setAppDomain("");
        adRequest.setAppName("");
        adRequest.setCategory("");
        adRequest.setPublisherDomain("");
 
        // Passing on the following parameter values can result in better targeting and higher yield 
        // For parameters you cannot populate, please comment them out
        adRequest.setDmaCode("807");
        adRequest.setEthnicity("Asian");
        adRequest.setPostalCode("94538");
        adRequest.setCurrPostal("94539");
        adRequest.setDmaCode("807");
        adRequest.setAge("27");
        adRequest.setMaritalStatus("single");
        adRequest.setGender("m");
        adRequest.setBirthday("yyyy-mm-dd");

       preRollVideoAd.loadAd(adRequest, apiKey, adSize, AdListActivity.this, isMainContentFullscreen);
Log.v(TAG, "Activity : " + this);

             }
        }
   }
}