MediaContent
借助原生广告和自定义原生广告格式,您可以访问MediaContent
对象,该对象用于获取与媒体内容(可以是视频或者图片)相关的信息。该对象也可用于控制视频广告播放和监听播放事件。您可以通过调用 NativeAd.getMediaContent()
来获取 MediaContent
对象。
MediaContent
对象包含视频的宽高比和时长等信息。以下代码段显示了如何获取原生广告的宽高比和时长。
Java
if (nativeAd.getMediaContent() != null) {
MediaContent mediaContent = nativeAd.getMediaContent();
float mediaAspectRatio = mediaContent.getAspectRatio();
if (mediaContent.hasVideoContent()) {
float duration = mediaContent.getDuration();
}
}
Kotlin
nativeAd.mediaContent?.let { mediaContent ->
val mediaAspectRatio: Float = mediaContent.aspectRatio
if (mediaContent.hasVideoContent()) {
val duration: Float = mediaContent.duration
}
}
视频事件的回调
如需处理特定视频事件,请编写一个扩展 VideoLifecycleCallbacks
抽象类的类,并对 VideoController
调用 setVideoLifecycleCallbacks()
。然后,仅替换所需的回调。
Java
if (nativeAd.getMediaContent() != null) {
VideoController videoController = nativeAd.getMediaContent().getVideoController();
if (videoController != null) {
videoController.setVideoLifecycleCallbacks(
new VideoController.VideoLifecycleCallbacks() {
@Override
public void onVideoStart() {
Log.d(TAG, "Video started.");
}
@Override
public void onVideoPlay() {
Log.d(TAG, "Video played.");
}
@Override
public void onVideoPause() {
Log.d(TAG, "Video paused.");
}
@Override
public void onVideoEnd() {
Log.d(TAG, "Video ended.");
}
@Override
public void onVideoMute(boolean isMuted) {
Log.d(TAG, "Video isMuted: " + isMuted + ".");
}
});
}
}
Kotlin
val videoLifecycleCallbacks =
object : VideoController.VideoLifecycleCallbacks() {
override fun onVideoStart() {
Log.d(TAG, "Video started.")
}
override fun onVideoPlay() {
Log.d(TAG, "Video played.")
}
override fun onVideoPause() {
Log.d(TAG, "Video paused.")
}
override fun onVideoEnd() {
Log.d(TAG, "Video ended.")
}
override fun onVideoMute(isMuted: Boolean) {
Log.d(TAG, "Video isMuted: $isMuted.")
}
}
nativeAd.mediaContent?.videoController?.videoLifecycleCallbacks = videoLifecycleCallbacks