[core] Fix module load on Android 10 (#811)

core/src/main/java/org/lsposed/lspd/util/InMemoryDelegateLastClassLoader.java

@@ -2,11 +2,14 @@ package org.lsposed.lspd.util;
 
 import static de.robv.android.xposed.XposedBridge.TAG;
 
+import android.os.Build;
 import android.system.ErrnoException;
 import android.system.Os;
 import android.system.OsConstants;
 import android.util.Log;
 
+import androidx.annotation.RequiresApi;
+
 import java.io.File;
 import java.io.IOException;
 import java.net.URL;
@@ -26,7 +29,7 @@ import hidden.ByteBufferDexClassLoader;
 public final class InMemoryDelegateLastClassLoader extends ByteBufferDexClassLoader {
     private static final String zipSeparator = "!/";
     private final String apk;
-    private final List<File> nativeLibraryDirs;
+    private final List<File> nativeLibraryDirs = new ArrayList<>();
 
     private static List<File> splitPaths(String searchPath) {
         var result = new ArrayList<File>();
@@ -38,12 +41,24 @@ public final class InMemoryDelegateLastClassLoader extends ByteBufferDexClassLoa
     }
 
     private InMemoryDelegateLastClassLoader(ByteBuffer[] dexBuffers,
-                                            String librarySearchPath,
                                             ClassLoader parent,
                                             String apk) {
         super(dexBuffers, parent);
         this.apk = apk;
-        nativeLibraryDirs = new ArrayList<>(splitPaths(librarySearchPath));
+    }
+
+    @RequiresApi(Build.VERSION_CODES.Q)
+    private InMemoryDelegateLastClassLoader(ByteBuffer[] dexBuffers,
+                                            String librarySearchPath,
+                                            ClassLoader parent,
+                                            String apk) {
+        super(dexBuffers, librarySearchPath, parent);
+        initNativeLibraryDirs(librarySearchPath);
+        this.apk = apk;
+    }
+
+    private void initNativeLibraryDirs(String librarySearchPath) {
+        nativeLibraryDirs.addAll(splitPaths(librarySearchPath));
         nativeLibraryDirs.addAll(splitPaths(System.getProperty("java.library.path")));
     }
 
@@ -157,7 +172,14 @@ public final class InMemoryDelegateLastClassLoader extends ByteBufferDexClassLoa
             Log.e(TAG, "Can not open " + apk, e);
         }
         var dexBuffers = new ByteBuffer[byteBuffers.size()];
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
             return new InMemoryDelegateLastClassLoader(byteBuffers.toArray(dexBuffers),
                     librarySearchPath, parent, apk.getAbsolutePath());
+        } else {
+            var cl = new InMemoryDelegateLastClassLoader(byteBuffers.toArray(dexBuffers),
+                    parent, apk.getAbsolutePath());
+            cl.initNativeLibraryDirs(librarySearchPath);
+            return cl;
+        }
     }
 }

hiddenapi-bridge/src/main/java/hidden/ByteBufferDexClassLoader.java

@@ -8,4 +8,8 @@ public class ByteBufferDexClassLoader extends BaseDexClassLoader {
     public ByteBufferDexClassLoader(ByteBuffer[] dexFiles, ClassLoader parent) {
         super(dexFiles, parent);
     }
+
+    public ByteBufferDexClassLoader(ByteBuffer[] dexFiles, String librarySearchPath, ClassLoader parent) {
+        super(dexFiles, librarySearchPath, parent);
+    }
 }

hiddenapi-stubs/src/main/java/dalvik/system/BaseDexClassLoader.java

@@ -19,6 +19,10 @@ public class BaseDexClassLoader extends ClassLoader {
         throw new RuntimeException("Stub!");
     }
 
+    public BaseDexClassLoader(ByteBuffer[] dexFiles, String librarySearchPath, ClassLoader parent) {
+        throw new RuntimeException("Stub!");
+    }
+
     protected Class<?> findClass(String name) throws ClassNotFoundException {
         throw new RuntimeException("Stub!");
     }