Add a native method to remove final flag of class

edxp-core/jni/main/java_hook/java_hook.cpp

@@ -73,6 +73,19 @@ void setMethodNonCompilable(JNIEnv *env, jclass, jobject member) {
     setNonCompilable(artMethod);
 }
 
+static constexpr uint32_t kAccFinal = 0x0010;
+
+jboolean removeFinalFlag(JNIEnv *env, jclass, jclass clazz) {
+    if (clazz) {
+        jfieldID java_lang_Class_accessFlags = env->GetFieldID(
+                env->FindClass("java/lang/Class"), "accessFlags", "I");
+        jint access_flags = env->GetIntField(clazz, java_lang_Class_accessFlags);
+        env->SetIntField(clazz, java_lang_Class_accessFlags, access_flags & ~kAccFinal);
+        return true;
+    }
+    return false;
+}
+
 static JNINativeMethod hookMethods[] = {
         {
                 "init",
@@ -129,6 +142,9 @@ static JNINativeMethod hookMethods[] = {
         },
         {
                 "initXResourcesNative", "()Z", (void *) XposedBridge_initXResourcesNative
+        },
+        {
+                "removeFinalFlagNative", "(Ljava/lang/Class;)Z", (void *) removeFinalFlag
         }
 };
 

edxp-sandhook/src/main/java/com/elderdrivers/riru/edxp/Main.java

@@ -149,4 +149,6 @@ public class Main implements KeepAll {
     public static native int waitForGcToComplete(long thread);
 
     public static native boolean initXResourcesNative();
+
+    public static native boolean removeFinalFlagNative(Class clazz);
 }

edxp-sandhook/src/main/java/com/elderdrivers/riru/edxp/sandhook/config/SandHookProvider.java

@@ -63,4 +63,9 @@ public class SandHookProvider extends BaseHookProvider {
     public boolean initXResourcesNative() {
         return Main.initXResourcesNative();
     }
+
+    @Override
+    public boolean removeFinalFlagNative(Class clazz) {
+        return Main.removeFinalFlagNative(clazz);
+    }
 }

edxp-whale/src/main/java/com/elderdrivers/riru/edxp/Main.java

@@ -140,4 +140,6 @@ public class Main implements KeepAll {
     public static native int waitForGcToComplete(long thread);
 
     public static native boolean initXResourcesNative();
+
+    public static native boolean removeFinalFlagNative(Class clazz);
 }

edxp-whale/src/main/java/com/elderdrivers/riru/edxp/whale/config/WhaleHookProvider.java

@@ -59,4 +59,9 @@ public class WhaleHookProvider extends BaseHookProvider {
     public boolean initXResourcesNative() {
         return Main.initXResourcesNative();
     }
+
+    @Override
+    public boolean removeFinalFlagNative(Class clazz) {
+        return Main.removeFinalFlagNative(clazz);
+    }
 }

edxp-yahfa/src/main/java/com/elderdrivers/riru/edxp/Main.java

@@ -143,4 +143,5 @@ public class Main implements KeepAll {
 
     public static native boolean initXResourcesNative();
 
+    public static native boolean removeFinalFlagNative(Class clazz);
 }

edxp-yahfa/src/main/java/com/elderdrivers/riru/edxp/yahfa/config/YahfaHookProvider.java

@@ -40,4 +40,9 @@ public class YahfaHookProvider extends BaseHookProvider {
     public boolean initXResourcesNative() {
         return Main.initXResourcesNative();
     }
+
+    @Override
+    public boolean removeFinalFlagNative(Class clazz) {
+        return Main.removeFinalFlagNative(clazz);
+    }
 }

xposed-bridge/src/main/java/com/elderdrivers/riru/edxp/hook/HookProvider.java

@@ -23,4 +23,6 @@ public interface HookProvider {
     void deoptMethodNative(Object method);
 
     boolean initXResourcesNative();
+
+    boolean removeFinalFlagNative(Class clazz);
 }