Proguard R8 警告

Question

使用 r8 時收到這些警告

Missing class org.bouncycastle.jsse.BCSSLParameters (referenced from: void okhttp3.internal.platform.BouncyCastlePlatform.configureTlsExtensions(javax.net.ssl.SSLSocket, java.lang.String, java.util.List) and 1 other context)
Missing class org.bouncycastle.jsse.BCSSLSocket (referenced from: void okhttp3.internal.platform.BouncyCastlePlatform.configureTlsExtensions(javax.net.ssl.SSLSocket, java.lang.String, java.util.List) and 5 other contexts)
Missing class org.bouncycastle.jsse.provider.BouncyCastleJsseProvider (referenced from: void okhttp3.internal.platform.BouncyCastlePlatform.<init>())
Missing class org.conscrypt.Conscrypt$Version (referenced from: boolean okhttp3.internal.platform.ConscryptPlatform$Companion.atLeastVersion(int, int, int))
Missing class org.conscrypt.Conscrypt (referenced from: boolean okhttp3.internal.platform.ConscryptPlatform$Companion.atLeastVersion(int, int, int) and 4 other contexts)
Missing class org.conscrypt.ConscryptHostnameVerifier (referenced from: okhttp3.internal.platform.ConscryptPlatform$DisabledHostnameVerifier)
Missing class org.openjsse.javax.net.ssl.SSLParameters (referenced from: void okhttp3.internal.platform.OpenJSSEPlatform.configureTlsExtensions(javax.net.ssl.SSLSocket, java.lang.String, java.util.List))
Missing class org.openjsse.javax.net.ssl.SSLSocket (referenced from: void okhttp3.internal.platform.OpenJSSEPlatform.configureTlsExtensions(javax.net.ssl.SSLSocket, java.lang.String, java.util.List) and 1 other context)
Missing class org.openjsse.net.ssl.OpenJSSE (referenced from: void okhttp3.internal.platform.OpenJSSEPlatform.<init>())

嘗試使用它，但沒有用。

-keep class com.squareup.okhttp.** { *; }

Answer 1

使用 R8 編譯時缺少類意味着在輸入中有對這些類的引用，但它們在輸入中沒有定義，在程序本身、類路徑或庫/引導類路徑中都沒有定義（ android.jar構建 ZE84E323642ADB6DB6 應用程序時） . -keep規則用於保持輸入中已經存在的類，並且對缺失的類沒有影響（它實際上最終可能會給出更多的缺失類）。

要使有關缺失類的警告靜音，可以使用-dontwarn指令，例如：

-dontwarn org.bouncycastle.jsse.BCSSLParameters

在繼續添加-dontwarn之前，請確保缺少的類不是由於缺少依賴項造成的，這可能最終導致運行時失敗。

Answer 2

固定在 okhttp 5 https://github.com/square/okhttp/issues/6258

添加規則來自https://raw.githubusercontent.com/square/okhttp/master/okhttp/src/jvmMain/resources/META-INF/proguard/okhttp3.pro

-dontwarn org.conscrypt.**
-dontwarn org.bouncycastle.**
-dontwarn org.openjsse.**