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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."],["Verification of the SDK's viewability signal capture can be done by checking network requests for `active_view_vide_measurable_impression` and the `mtos` parameter."],["A sample stream with CMS ID \"2556080\" and video ID \"tears-of-steel-omid\" is provided for viewability testing purposes, requiring confirmation of `ima-test-verification.js` download and a ping to a specific URL."],["Publishers utilizing custom video displays might need layout adjustments to ensure accurate viewability metric reporting and can seek assistance from the IMA support forum if necessary."]]],[]]