我将我的 android studio 更新为“Android Studio Dolphin | 2021.3.1”，现在我在一些项目中遇到了问题：
运行 R8 时检测到缺少类。请添加缺少的类或应用“位置地址”中生成的其他保留规则
缺少的类是：
AGPBI: {"kind":"warning","text":"Missing class com.facebook.infer.annotation.Nullsafe$Mode (referenced from: com.facebook.ads.NativeAdBase)\r\nMissing class comMissing class com.facebook.infer.annotation.Nullsafe$Mode (referenced from: com.facebook.ads.NativeAdBase)
Missing class com.facebook.infer.annotation.Nullsafe$Mode (referenced from: com.facebook.ads.NativeAdBase)
Missing class com.facebook.infer.annotation.Nullsafe (referenced from: com.facebook.ads.NativeAdBase)
我的 Gradle.build 文件：
plugins {
id 'com.android.application'
id 'com.google.gms.google-services'
}
android {
compileSdk 32
defaultConfig {
applicationId "app_id"
minSdk 20
targetSdk 32
versionCode 4
versionName "2.1"
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled true
shrinkResources true …