import com.google.ads.interactivemedia.v3.api.player.ContentProgressProvider; //导入依赖的package包/类
/**
 * Request video ads from the given VAST ad tag.
 * @param adTagUrl URL of the ad's VAST XML
 */
private void requestAds(String adTagUrl) {
    AdDisplayContainer adDisplayContainer = mSdkFactory.createAdDisplayContainer();
    adDisplayContainer.setAdContainer(mAdUiContainer);

    // Create the ads request.
    AdsRequest request = mSdkFactory.createAdsRequest();
    request.setAdTagUrl(adTagUrl);
    request.setAdDisplayContainer(adDisplayContainer);
    request.setContentProgressProvider(new ContentProgressProvider() {
        @Override
        public VideoProgressUpdate getContentProgress() {
            if (mIsAdDisplayed || mVideoPlayer == null || mVideoPlayer.getDuration() <= 0) {
                return VideoProgressUpdate.VIDEO_TIME_NOT_READY;
            }
            return new VideoProgressUpdate(mVideoPlayer.getCurrentPosition(),
                    mVideoPlayer.getDuration());
        }
    });

    // Request the ad. After the ad is loaded, onAdsManagerLoaded() will be called.
    mAdsLoader.requestAds(request);
}
 

import com.google.ads.interactivemedia.v3.api.player.ContentProgressProvider; //导入依赖的package包/类
/**
 * Request video ads from the given VAST ad tag.
 * @param adTagUrl URL of the ad's VAST XML
 */
private void requestAds(String adTagUrl, ContentProgressProvider contentProgressProvider) {
    LOGD(TAG, "Start requestAds adTagUrl = " + adTagUrl);
    mAdDisplayContainer = mSdkFactory.createAdDisplayContainer();
    mAdDisplayContainer.setPlayer(mIMAPlayer);
    mAdDisplayContainer.setAdContainer(mIMAPlayer.getAdUIContainer());
    // Create the ads request.
    AdsRequest request = mSdkFactory.createAdsRequest();
    request.setAdTagUrl(adTagUrl);
    request.setAdDisplayContainer(mAdDisplayContainer);
    request.setContentProgressProvider(contentProgressProvider);

    // Request the ad. After the ad is loaded, onAdsManagerLoaded() will be called.
    LOGD(TAG, "requestAds from IMA");
    mAdsLoader.requestAds(request);
}
 

import com.google.ads.interactivemedia.v3.api.player.ContentProgressProvider; //导入依赖的package包/类
public ContentProgressProvider getContentProgressProvider() {
    return mContentProgressProvider;
}