From 347675de661873c7ec5ca74421ee850a73c556ab Mon Sep 17 00:00:00 2001
From: ACh Sulfate <dex@libart.so>
Date: Sat, 15 Jul 2023 21:53:50 +0800
Subject: [PATCH] fix: NtStartupDirector not found on NT 4288

---
 .../java/io/github/qauxv/util/Initiator.java  | 46 +++++++++++++++++--
 1 file changed, 43 insertions(+), 3 deletions(-)

diff --git a/app/src/main/java/io/github/qauxv/util/Initiator.java b/app/src/main/java/io/github/qauxv/util/Initiator.java
index bcf2da2e3f..2e956cd7e9 100644
--- a/app/src/main/java/io/github/qauxv/util/Initiator.java
+++ b/app/src/main/java/io/github/qauxv/util/Initiator.java
@@ -25,6 +25,8 @@
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import com.tencent.mobileqq.app.QQAppInterface;
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
 import java.util.Arrays;
 import java.util.HashMap;
 import mqq.app.AppRuntime;
@@ -217,12 +219,50 @@ public static Class<?> _StartupDirector() {
         return findClassWithSynthetics("com/tencent/mobileqq/startup/director/StartupDirector", 1);
     }
 
+    private static Class<?> skNtStartupDirector = null;
+    private static boolean sNotHaveNtStartupDirector = false;
+
     public static Class<?> _NtStartupDirector() {
-        Class<?> klass = Initiator.load("com.tencent.mobileqq.startup.director.a");
-        if (klass == _StartupDirector()) {
+        if (skNtStartupDirector != null) {
+            return skNtStartupDirector;
+        }
+        if (sNotHaveNtStartupDirector) {
             return null;
         }
-        return klass;
+        String[] candidates = new String[]{
+                "com.tencent.mobileqq.startup.director.a",
+                "com.tencent.mobileqq.g3.a.a"
+        };
+        for (String candidate : candidates) {
+            Class<?> klass = load(candidate);
+            if (isNtStartupDirector(klass)) {
+                skNtStartupDirector = klass;
+                return klass;
+            }
+        }
+        sNotHaveNtStartupDirector = true;
+        return null;
+    }
+
+    private static boolean isNtStartupDirector(Class<?> klass) {
+        if (klass == null || klass == _StartupDirector()) {
+            return false;
+        }
+        if (!android.os.Handler.Callback.class.isAssignableFrom(klass)) {
+            return false;
+        }
+        // have a static instance field
+        boolean hasStaticInstance = false;
+        for (Field field : klass.getDeclaredFields()) {
+            if (Modifier.isStatic(field.getModifiers()) && field.getType() == klass) {
+                hasStaticInstance = true;
+                break;
+            }
+        }
+        if (!hasStaticInstance) {
+            return false;
+        }
+        return true;
     }
 
     public static Class<?> _BaseQQMessageFacade() {