mobileAsset.setContent(Media.getMediaDataFromFile(pathToFile));
mobileAsset.setForHTMLCreatives(true);
mobileAsset.setAdvertiserId(advertiserId);
// Save the mobile asset.
CreativeAssetSaveResult creativeAssetSaveResult = service.saveCreativeAsset(mobileAsset);
// Display the new asset file name.
System.out.printf("Asset was saved with file name of \"%s\".%n",
creativeAssetSaveResult.getSavedFilename());
}