[null,null,["最后更新时间 (UTC):2025-09-20。"],[],["The IMA SDK utilizes Active View reporting to gauge ad viewability. This involves creating a `StreamDisplayContainer` with a `VideoStreamPlayer`, enabling Active View to measure it using `getLocationOnScreen` and `getGlobalVisibleRect`. Verification involves checking `HTTP` requests for `active_view_vide_measurable_impression` and the `mtos` parameter. A test stream (CMS ID: \"2556080\", video ID: \"tears-of-steel-omid\") is provided; monitor network logs for `ima-test-verification.js` download and a ping to `https://pagead2.googlesyndication.com/pagead/gen_204`.\n"],null,[]]