MediaContent
透過原生廣告和自訂原生廣告格式,您可存取MediaContent
物件,用於取得媒體內容 (影片或圖片) 的相關資訊,也可用來控制影片廣告播放,以及監聽播放事件。您可以呼叫 NativeAd.getMediaContent()
來取得 MediaContent
物件。
MediaContent
物件包含影片的顯示比例和長度等資訊。下列程式碼片段顯示如何取得原生廣告的顯示比例和時間長度。
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
}
}
影片事件回呼
如要處理特定影片事件,請編寫用於擴充抽象 VideoLifecycleCallbacks
類別的類別,並在 VideoController
上呼叫 setVideoLifecycleCallbacks()
。然後,僅覆寫所需的回呼。
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