diff --git a/src/main/java/com/reandroid/arsc/pool/JsonStringPoolHelper.java b/src/main/java/com/reandroid/arsc/pool/JsonStringPoolHelper.java
index bb5c01b..da20b00 100644
--- a/src/main/java/com/reandroid/arsc/pool/JsonStringPoolHelper.java
+++ b/src/main/java/com/reandroid/arsc/pool/JsonStringPoolHelper.java
@@ -12,8 +12,8 @@ import java.util.*;
 
 class JsonStringPoolHelper<T extends StringItem> {
 
-    private final BaseStringPool<T> stringPool;
-    JsonStringPoolHelper(BaseStringPool<T> stringPool){
+    private final StringPool<T> stringPool;
+    JsonStringPoolHelper(StringPool<T> stringPool){
         this.stringPool=stringPool;
     }
     void loadStyledStrings(JSONArray jsonArray) {
diff --git a/src/main/java/com/reandroid/arsc/pool/ResXmlStringPool.java b/src/main/java/com/reandroid/arsc/pool/ResXmlStringPool.java
index 60dd99b..039beb8 100755
--- a/src/main/java/com/reandroid/arsc/pool/ResXmlStringPool.java
+++ b/src/main/java/com/reandroid/arsc/pool/ResXmlStringPool.java
@@ -23,7 +23,7 @@ import com.reandroid.arsc.item.IntegerArray;
 import com.reandroid.arsc.item.IntegerItem;
 import com.reandroid.arsc.item.ResXmlString;
 
-public class ResXmlStringPool extends BaseStringPool<ResXmlString> {
+public class ResXmlStringPool extends StringPool<ResXmlString> {
     public ResXmlStringPool(boolean is_utf8) {
         super(is_utf8);
     }
diff --git a/src/main/java/com/reandroid/arsc/pool/SpecStringPool.java b/src/main/java/com/reandroid/arsc/pool/SpecStringPool.java
index 887961a..3d5e0c7 100755
--- a/src/main/java/com/reandroid/arsc/pool/SpecStringPool.java
+++ b/src/main/java/com/reandroid/arsc/pool/SpecStringPool.java
@@ -23,7 +23,7 @@ import com.reandroid.arsc.item.IntegerArray;
 import com.reandroid.arsc.item.IntegerItem;
 import com.reandroid.arsc.item.SpecString;
 
-public class SpecStringPool extends BaseStringPool<SpecString> {
+public class SpecStringPool extends StringPool<SpecString> {
     public SpecStringPool(boolean is_utf8){
         super(is_utf8);
     }
diff --git a/src/main/java/com/reandroid/arsc/pool/BaseStringPool.java b/src/main/java/com/reandroid/arsc/pool/StringPool.java
similarity index 97%
rename from src/main/java/com/reandroid/arsc/pool/BaseStringPool.java
rename to src/main/java/com/reandroid/arsc/pool/StringPool.java
index 66dc9aa..683f14c 100755
--- a/src/main/java/com/reandroid/arsc/pool/BaseStringPool.java
+++ b/src/main/java/com/reandroid/arsc/pool/StringPool.java
@@ -31,13 +31,13 @@ package com.reandroid.arsc.pool;
  import java.util.*;
 
 
- public abstract class BaseStringPool<T extends StringItem> extends Chunk<StringPoolHeader> implements BlockLoad, JSONConvert<JSONArray>, Comparator<String> {
+ public abstract class StringPool<T extends StringItem> extends Chunk<StringPoolHeader> implements BlockLoad, JSONConvert<JSONArray>, Comparator<String> {
     private final StringArray<T> mArrayStrings;
     private final StyleArray mArrayStyles;
 
     private final Map<String, StringGroup<T>> mUniqueMap;
 
-    BaseStringPool(boolean is_utf8){
+    StringPool(boolean is_utf8){
         super(new StringPoolHeader(), 4);
 
         IntegerArray offsetStrings = new IntegerArray();
diff --git a/src/main/java/com/reandroid/arsc/pool/TypeStringPool.java b/src/main/java/com/reandroid/arsc/pool/TypeStringPool.java
index ce10fb5..9faabf2 100755
--- a/src/main/java/com/reandroid/arsc/pool/TypeStringPool.java
+++ b/src/main/java/com/reandroid/arsc/pool/TypeStringPool.java
@@ -23,24 +23,24 @@ import com.reandroid.arsc.item.IntegerArray;
 import com.reandroid.arsc.item.IntegerItem;
 import com.reandroid.arsc.item.TypeString;
 
-public class TypeStringPool extends BaseStringPool<TypeString> {
+public class TypeStringPool extends StringPool<TypeString> {
     private final IntegerItem mTypeIdOffset;
     public TypeStringPool(boolean is_utf8, IntegerItem typeIdOffset) {
         super(is_utf8);
         this.mTypeIdOffset = typeIdOffset;
     }
-    public byte idOf(String typeName){
+    public int idOf(String typeName){
         return idOf(getByName(typeName));
     }
     /**
      * Resolves id of {@link TypeBlock}
      * Not recommend to use unless unless you are sure of proper pool
      **/
-    public byte idOf(TypeString typeString){
+    public int idOf(TypeString typeString){
         if(typeString==null){
             return 0;
         }
-        return (byte) (typeString.getIndex()+mTypeIdOffset.get()+1);
+        return (typeString.getIndex()+mTypeIdOffset.get()+1);
     }
     /**
      * Searches string entry {@link TypeBlock}