PreloadConfiguration
class PreloadConfiguration
用于指示 GMA SDK 预加载广告的配置条目。
摘要
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最后更新时间 (UTC)：2025-08-21。
[null,null,["最后更新时间 (UTC)：2025-08-21。"],[],[],null,["# PreloadConfiguration\n====================\n\nKotlin \\|[Java](/admob/android/reference/com/google/android/gms/ads/preload/PreloadConfiguration \"View this page in Java\") \n\n\n```\nclass PreloadConfiguration\n```\n\n\u003cbr /\u003e\n\n*** ** * ** ***\n\nThe configuration entry to instruct GMA SDK to preload ads.\n\nSummary\n-------\n\n| ### Nested types |\n|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `class `[PreloadConfiguration.Builder](/admob/android/reference/kotlin/com/google/android/gms/ads/preload/PreloadConfiguration.Builder) Builder class for [PreloadConfiguration](/admob/android/reference/kotlin/com/google/android/gms/ads/preload/PreloadConfiguration). |\n\n| ### Public properties |\n|--------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [AdFormat](/admob/android/reference/kotlin/com/google/android/gms/ads/AdFormat)`?` | [adFormat](/admob/android/reference/kotlin/com/google/android/gms/ads/preload/PreloadConfiguration#adFormat()) **This property is deprecated.** Use the format specific preloader class instead. \u003cbr /\u003e |\n| [AdRequest](/admob/android/reference/kotlin/com/google/android/gms/ads/AdRequest)`!` | [adRequest](/admob/android/reference/kotlin/com/google/android/gms/ads/preload/PreloadConfiguration#adRequest()) |\n| [String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`!` | [adUnitId](/admob/android/reference/kotlin/com/google/android/gms/ads/preload/PreloadConfiguration#adUnitId()) |\n| [Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) | [bufferSize](/admob/android/reference/kotlin/com/google/android/gms/ads/preload/PreloadConfiguration#bufferSize()) |\n\nPublic properties\n-----------------\n\n### adFormat\n\n```\nval adFormat: AdFormat?\n```\n| **This property is deprecated.** \n|\n| Use the format specific preloader class instead.\n\nThe ad format of the ad to preload. \n\n### adRequest\n\n```\nval adRequest: AdRequest!\n``` \n\n### adUnitId\n\n```\nval adUnitId: String!\n``` \n\n### bufferSize\n\n```\nval bufferSize: Int\n```"]]