要测试您的应用，请将以下广告代码网址之一复制并粘贴到您的应用中。您应该能够 初始化 AdsLoader 并发出广告请求 。这些示例广告代码还适用于适用于其他平台（Android、iOS、tvOS）和 Google Cast SDK 的所有 IMA SDK。
要查看 VAST XML 广告响应，您可将其复制到网络浏览器并手动设置随机
correlator 参数的整数值
。您还可以设置 output 参数
以请求特定格式（例如，VAST 4）的广告响应。
单行内嵌线性
https://pubads.g.doubleclick.net/gampad/ads?iu=/21775744923/external/single_ad_samples&sz=640x480&cust_params=sample_ct%3Dlinear&ciu_szs=300x250%2C728x90&gdfp_req=1&output=vast&unviewed_position_start=1&env=vp&impl=s&correlator=
单个可跳过的插播广告
https://pubads.g.doubleclick.net/gampad/ads?iu=/21775744923/external/single_preroll_skippable&sz=640x480&ciu_szs=300x250%2C728x90&gdfp_req=1&output=vast&unviewed_position_start=1&env=vp&impl=s&correlator=
单一重定向线性
https://pubads.g.doubleclick.net/gampad/ads?iu=/21775744923/external/single_ad_samples&sz=640x480&cust_params=sample_ct%3Dredirectlinear&ciu_szs=300x250%2C728x90&gdfp_req=1&output=vast&unviewed_position_start=1&env=vp&impl=s&correlator=
单次重定向错误
https://pubads.g.doubleclick.net/gampad/ads?iu=/21775744923/external/single_ad_samples&sz=640x480&cust_params=sample_ct%3Dredirecterror&ciu_szs=300x250%2C728x90&gdfp_req=1&output=vast&unviewed_position_start=1&env=vp&impl=s&correlator=
单个重定向已损坏（后备）
https://pubads.g.doubleclick.net/gampad/ads?iu=/21775744923/external/single_ad_samples&sz=640x480&cust_params=sample_ct%3Dredirecterror&ciu_szs=300x250%2C728x90&gdfp_req=1&output=vast&unviewed_position_start=1&env=vp&impl=s&nofb=1&correlator=
单个 VPAID 2.0 线性广告素材
https://pubads.g.doubleclick.net/gampad/ads?iu=/21775744923/external/single_ad_samples&sz=640x480&cust_params=sample_ct%3Dlinearvpaid2js&ciu_szs=300x250%2C728x90&gdfp_req=1&output=vast&unviewed_position_start=1&env=vp&impl=s&correlator=
单个 VPAID 2.0 非线性广告素材
https://pubads.g.doubleclick.net/gampad/ads?iu=/21775744923/external/single_ad_samples&sz=640x480&cust_params=sample_ct%3Dnonlinearvpaid2js&ciu_szs=728x90%2C300x250&gdfp_req=1&output=vast&unviewed_position_start=1&env=vp&impl=s&correlator=
单个非线性内嵌
https://pubads.g.doubleclick.net/gampad/ads?iu=/21775744923/external/nonlinear_ad_samples&sz=480x70&cust_params=sample_ct%3Dnonlinear&ciu_szs=300x250%2C728x90&gdfp_req=1&output=vast&unviewed_position_start=1&env=vp&impl=s&correlator=
单个垂直内嵌线性
https://pubads.g.doubleclick.net/gampad/ads?iu=/21775744923/external/single_vertical_ad_samples&sz=360x640&gdfp_req=1&output=vast&unviewed_position_start=1&env=vp&impl=s&correlator=
VMAP 会话广告规则前贴片广告
https://pubads.g.doubleclick.net/gampad/ads?iu=/21775744923/external/vmap_ad_samples&sz=640x480&cust_params=sar%3Da0f2&ciu_szs=300x250&ad_rule=1&gdfp_req=1&output=vmap&unviewed_position_start=1&env=vp&impl=s&correlator=
VMAP 前贴片广告
https://pubads.g.doubleclick.net/gampad/ads?iu=/21775744923/external/vmap_ad_samples&sz=640x480&cust_params=sample_ar%3Dpreonly&ciu_szs=300x250%2C728x90&gdfp_req=1&ad_rule=1&output=vmap&unviewed_position_start=1&env=vp&impl=s&correlator=
VMAP 前贴片广告 + 导视广告
https://pubads.g.doubleclick.net/gampad/ads?iu=/21775744923/external/vmap_ad_samples&sz=640x480&cust_params=sample_ar%3Dpreonlybumper&ciu_szs=300x250&gdfp_req=1&ad_rule=1&output=vmap&unviewed_position_start=1&env=vp&impl=s&correlator=
VMAP 后贴片广告
https://pubads.g.doubleclick.net/gampad/ads?iu=/21775744923/external/vmap_ad_samples&sz=640x480&cust_params=sample_ar%3Dpostonly&ciu_szs=300x250&gdfp_req=1&ad_rule=1&output=vmap&unviewed_position_start=1&env=vp&impl=s&correlator=
VMAP 后贴片广告 + 导视广告
https://pubads.g.doubleclick.net/gampad/ads?iu=/21775744923/external/vmap_ad_samples&sz=640x480&cust_params=sample_ar%3Dpostonlybumper&ciu_szs=300x250&gdfp_req=1&ad_rule=1&output=vmap&unviewed_position_start=1&env=vp&impl=s&correlator=
VMAP 前贴片广告、中贴片广告和后贴片广告，单个广告
https://pubads.g.doubleclick.net/gampad/ads?iu=/21775744923/external/vmap_ad_samples&sz=640x480&cust_params=sample_ar%3Dpremidpost&ciu_szs=300x250&gdfp_req=1&ad_rule=1&output=vmap&unviewed_position_start=1&env=vp&impl=s&cmsid=496&vid=short_onecue&correlator=
VMAP - 前贴片广告单个广告、含 3 个广告的中贴片广告标准广告连播、后贴片单个广告
https://pubads.g.doubleclick.net/gampad/ads?iu=/21775744923/external/vmap_ad_samples&sz=640x480&cust_params=sample_ar%3Dpremidpostpod&ciu_szs=300x250&gdfp_req=1&ad_rule=1&output=vmap&unviewed_position_start=1&env=vp&impl=s&cmsid=496&vid=short_onecue&correlator=
VMAP - 前贴片广告（单个广告）、中贴片广告（包含 3 个广告的优化型广告连播）、后贴片广告（单个广告）
https://pubads.g.doubleclick.net/gampad/ads?iu=/21775744923/external/vmap_ad_samples&sz=640x480&cust_params=sample_ar%3Dpremidpostoptimizedpod&ciu_szs=300x250&gdfp_req=1&ad_rule=1&output=vmap&unviewed_position_start=1&env=vp&impl=s&cmsid=496&vid=short_onecue&correlator=
VMAP - 前贴片广告（单个广告）、中贴片广告标准广告连播（包含 3 个广告）、后贴片广告（单个广告，所有广告插播时间点处的导视广告）
https://pubads.g.doubleclick.net/gampad/ads?iu=/21775744923/external/vmap_ad_samples&sz=640x480&cust_params=sample_ar%3Dpremidpostpodbumper&ciu_szs=300x250&gdfp_req=1&ad_rule=1&output=vmap&unviewed_position_start=1&env=vp&impl=s&cmsid=496&vid=short_onecue&correlator=
VMAP - 前贴片广告（单个广告）、针对中贴片广告优化的广告连播（包含 3 个广告）、后贴片广告（单个广告）（所有广告插播时间点处的导视广告）
https://pubads.g.doubleclick.net/gampad/ads?iu=/21775744923/external/vmap_ad_samples&sz=640x480&cust_params=sample_ar%3Dpremidpostoptimizedpodbumper&ciu_szs=300x250&gdfp_req=1&ad_rule=1&output=vmap&unviewed_position_start=1&env=vp&impl=s&cmsid=496&vid=short_onecue&correlator=
VMAP - 前贴片单个广告、每 10 秒包含 5 个广告的中贴片广告标准广告连播、后贴片单个广告
https://pubads.g.doubleclick.net/gampad/ads?iu=/21775744923/external/vmap_ad_samples&sz=640x480&cust_params=sample_ar%3Dpremidpostlongpod&ciu_szs=300x250&gdfp_req=1&ad_rule=1&output=vmap&unviewed_position_start=1&env=vp&impl=s&cmsid=496&vid=short_onecue&correlator=
SIMID 调查问卷前贴片广告
https://pubads.g.doubleclick.net/gampad/ads?iu=/21775744923/external/simid&description_url=https%3A%2F%2Fdevelopers.google.com%2Finteractive-media-ads&sz=640x480&gdfp_req=1&output=vast&unviewed_position_start=1&env=vp&impl=s&correlator=
OM SDK 示例前贴片广告
https://pubads.g.doubleclick.net/gampad/ads?iu=/21775744923/external/omid_ad_samples&env=vp&gdfp_req=1&output=vast&sz=640x480&description_url=http%3A%2F%2Ftest_site.com%2Fhomepage&vpmute=0&vpa=0&vad_format=linear&url=http%3A%2F%2Ftest_site.com&vpos=preroll&unviewed_position_start=1&correlator=