diff --git a/iclibs/android.jar b/iclibs/android.jar
index 2001dd67..6cff3359 100644
Binary files a/iclibs/android.jar and b/iclibs/android.jar differ
diff --git a/src/main/java/com/reider745/api/hooks/RebuildJavadoc.java b/src/main/java/com/reider745/api/hooks/RebuildJavadoc.java
index 951768f2..2a73294e 100644
--- a/src/main/java/com/reider745/api/hooks/RebuildJavadoc.java
+++ b/src/main/java/com/reider745/api/hooks/RebuildJavadoc.java
@@ -151,6 +151,13 @@ public class RebuildJavadoc {
             if (isInterface && method.isEmpty()) {
                 continue;
             }
+            int modifiers = method.getModifiers();
+            if ((modifiers & AccessFlag.ABSTRACT) != 0) {
+                continue;
+            }
+            if ((modifiers & AccessFlag.NATIVE) != 0) {
+                method.setModifiers(modifiers & ~AccessFlag.NATIVE);
+            }
             String desiredValue = "null";
             try {
                 desiredValue = getStubReturnForMethod(method);
@@ -178,7 +185,7 @@ public class RebuildJavadoc {
         if (ctClass.isFrozen()) {
             ctClass.defrost();
         }
-        if (ctClass.isEnum() || ctClass.isInterface()) {
+        if (ctClass.isEnum() || ctClass.isInterface() || (ctClass.getModifiers() & AccessFlag.ABSTRACT) != 0) {
             return;
         }
         CtConstructor minimumConstructor = getMinimumConstructor(ctClass.getDeclaredConstructors());
@@ -226,11 +233,12 @@ public class RebuildJavadoc {
             }
             try {
                 CtClass returnClass = method.getReturnType();
-                if (returnClass.isEnum() || returnClass.isInterface()) {
+                if (returnClass.isEnum() || returnClass.isInterface() || (returnClass.getModifiers() & AccessFlag.ABSTRACT) != 0) {
                     continue;
                 }
                 String returnType = returnClass.getName();
-                if ((method.getModifiers() & AccessFlag.STATIC) == 0 && returnType.equals(ctClass.getName())) {
+                int modifiers = method.getModifiers();
+                if ((modifiers & AccessFlag.ABSTRACT) != 0 || ((modifiers & AccessFlag.STATIC) == 0 && returnType.equals(ctClass.getName()))) {
                     continue;
                 }
                 if (rewrittenSingletonClasses.contains(returnType)) {
diff --git a/src/main/java/com/zhekasmirnov/innercore/utils/FileTools.java b/src/main/java/com/zhekasmirnov/innercore/utils/FileTools.java
index cf6a14ed..1f3cfd37 100644
--- a/src/main/java/com/zhekasmirnov/innercore/utils/FileTools.java
+++ b/src/main/java/com/zhekasmirnov/innercore/utils/FileTools.java
@@ -127,7 +127,16 @@ public class FileTools {
     }
 
     public static File unpackAsset(String name, String path) throws IOException {
-        throw new IOException("FileTools.unpackAsset");
+        File inputFile = new File(DIR_WORK + "assets/" + name);
+        File outputFile = new File(path);
+
+        if (inputFile.equals(outputFile)) {
+            return outputFile;
+        }
+
+        outputFile.createNewFile();
+        copy(inputFile, outputFile);
+        return outputFile;
     }
 
     public static void unpackAssetDir(String name, String path) {