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最后更新时间 (UTC)：2023-11-14。
[null,null,["最后更新时间 (UTC)：2023-11-14。"],[[["The IMA SDK leverages Active View reporting to determine ad visibility and send corresponding signals to the ad server, ensuring accurate measurement of ad impressions."],["Publishers need to initialize the `IMAAdDisplayContainer` with a view and include it in the `IMAAdsRequest` for Active View to receive viewability measurements."],["Ad viewability measurement can be verified by monitoring HTTP requests for `active_view_vide_measurable_impression` and the `mtos` parameter, or using the provided sample stream for testing purposes."],["Publishers using custom video displays should ensure their layouts allow for correct viewability metrics and can refer to the IMA support forum for assistance if needed."]]],[]]