固定尺寸的横幅广告
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Google 移动广告 SDK 支持固定尺寸的广告，以应对自适应横幅广告无法满足需求的情况。
下表列出了标准横幅广告尺寸。
| 尺寸（宽 x 高，以 dp 为单位） |
说明 |
适用范围 |
AdSize 常量 |
| 320x50 |
横幅广告 |
手机和平板电脑 |
banner |
| 320x100 |
大型横幅广告 |
手机和平板电脑 |
largeBanner |
| 300x250 |
IAB 中矩形 |
手机和平板电脑 |
mediumRectangle |
| 468x60 |
IAB 全尺寸横幅广告 |
平板电脑 |
fullBanner |
| 728x90 |
IAB 页首横幅广告 |
平板电脑 |
leaderboard |
横幅广告容器的尺寸必须至少与横幅广告一样大。设置任何内边距都会实际减小容器的可用尺寸。如果容器无法容纳横幅广告，广告将不会展示，同时系统会记录以下警告：
W/Ads: Not enough space to show ad. Needs 320x50 dp, but only has 288x495 dp.
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最后更新时间 (UTC)：2025-09-02。
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