の代替 Android Project Configuration Managerとは https://docs.unity3d.com/6000.0/Documentation/Manual/android-modify-gradle-project-files-agp.html using UnityEditor.Android; public class ModifyAndroidProjectScript : AndroidProjectFilesModifier { public override void OnModifyAndroidProjectFiles( AndroidProjectFiles projectFiles) { projectFiles.UnityLibraryBuildGradle. Android.DefaultConfig.MinSdkVersion.Set(28); } } 「AndroidProjectFilesModifier」を継承 Min SDK Versionを28に設定