Simplify create root ResXmlElement

src/main/java/com/reandroid/lib/arsc/chunk/xml/ResXmlBlock.java

@@ -48,6 +48,18 @@ public class ResXmlBlock extends BaseChunk implements JSONConvert<JSONObject> {
         addChild(mResXmlIDMap);
         addChild(mResXmlElementContainer);
     }
+    public ResXmlElement createRootElement(String tag){
+        int lineNo=1;
+        ResXmlElement resXmlElement=new ResXmlElement();
+        resXmlElement.newStartElement(lineNo);
+
+        setResXmlElement(resXmlElement);
+
+        if(tag!=null){
+            resXmlElement.setTag(tag);
+        }
+        return resXmlElement;
+    }
     void linkStringReferences(){
         ResXmlElement element=getResXmlElement();
         if(element!=null){

src/main/java/com/reandroid/lib/arsc/chunk/xml/ResXmlElement.java

@@ -55,6 +55,9 @@ import java.util.*;
         addChild(4, mEndElementContainer);
         addChild(5, mEndNamespaceList);
     }
+    public ResXmlAttribute newAttribute(){
+        return getStartElement().newAttribute();
+    }
     Set<ResXmlString> clearStringReferences(){
         Set<ResXmlString> results=new HashSet<>();
         for(ResXmlStartNamespace startNamespace:getStartNamespaceList()){
@@ -229,6 +232,9 @@ import java.util.*;
     public void addElement(ResXmlElement element){
         mBody.add(element);
     }
+    public boolean removeAttribute(ResXmlAttribute resXmlAttribute){
+        return getStartElement().getResXmlAttributeArray().remove(resXmlAttribute);
+    }
     public boolean removeElement(ResXmlElement element){
         if(element.getParent()!=null){
             // TODO: Find a way to remove properly from StringPool
@@ -330,7 +336,7 @@ import java.util.*;
         mEndNamespaceList.add(item);
     }
 
-    private ResXmlStartElement newStartElement(int lineNo){
+    ResXmlStartElement newStartElement(int lineNo){
         ResXmlStartElement startElement=new ResXmlStartElement();
         setStartElement(startElement);
 

src/main/java/com/reandroid/lib/arsc/chunk/xml/ResXmlStartElement.java

@@ -50,6 +50,10 @@ import java.util.Set;
         addChild(mStyleAttributePosition);
         addChild(mAttributeArray);
     }
+     public ResXmlAttribute newAttribute(){
+         ResXmlAttributeArray attributeArray = getResXmlAttributeArray();
+         return attributeArray.createNext();
+     }
     @Override
     void linkStringReferences(){
         super.linkStringReferences();