diff --git a/.idea/codeStyleSettings.xml b/.idea/codeStyleSettings.xml
deleted file mode 100644
index 78eefeb..0000000
--- a/.idea/codeStyleSettings.xml
+++ /dev/null
@@ -1,229 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectCodeStyleSettingsManager">
-    <option name="PER_PROJECT_SETTINGS">
-      <value>
-        <option name="CLASS_COUNT_TO_USE_IMPORT_ON_DEMAND" value="99" />
-        <option name="NAMES_COUNT_TO_USE_IMPORT_ON_DEMAND" value="99" />
-        <option name="PACKAGES_TO_USE_IMPORT_ON_DEMAND">
-          <value />
-        </option>
-        <option name="IMPORT_LAYOUT_TABLE">
-          <value>
-            <package name="android" withSubpackages="true" static="false" />
-            <emptyLine />
-            <package name="com" withSubpackages="true" static="false" />
-            <emptyLine />
-            <package name="junit" withSubpackages="true" static="false" />
-            <emptyLine />
-            <package name="net" withSubpackages="true" static="false" />
-            <emptyLine />
-            <package name="org" withSubpackages="true" static="false" />
-            <emptyLine />
-            <package name="java" withSubpackages="true" static="false" />
-            <emptyLine />
-            <package name="javax" withSubpackages="true" static="false" />
-            <emptyLine />
-            <package name="" withSubpackages="true" static="false" />
-            <emptyLine />
-            <package name="" withSubpackages="true" static="true" />
-            <emptyLine />
-          </value>
-        </option>
-        <option name="RIGHT_MARGIN" value="100" />
-        <AndroidXmlCodeStyleSettings>
-          <option name="USE_CUSTOM_SETTINGS" value="true" />
-        </AndroidXmlCodeStyleSettings>
-        <Objective-C-extensions>
-          <option name="GENERATE_INSTANCE_VARIABLES_FOR_PROPERTIES" value="ASK" />
-          <option name="RELEASE_STYLE" value="IVAR" />
-          <option name="TYPE_QUALIFIERS_PLACEMENT" value="BEFORE" />
-          <file>
-            <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Import" />
-            <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Macro" />
-            <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Typedef" />
-            <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Enum" />
-            <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Constant" />
-            <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Global" />
-            <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Struct" />
-            <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="FunctionPredecl" />
-            <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Function" />
-          </file>
-          <class>
-            <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Property" />
-            <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Synthesize" />
-            <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="InitMethod" />
-            <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="StaticMethod" />
-            <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="InstanceMethod" />
-            <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="DeallocMethod" />
-          </class>
-          <extensions>
-            <pair source="cpp" header="h" />
-            <pair source="c" header="h" />
-          </extensions>
-        </Objective-C-extensions>
-        <XML>
-          <option name="XML_LEGACY_SETTINGS_IMPORTED" value="true" />
-        </XML>
-        <codeStyleSettings language="XML">
-          <option name="FORCE_REARRANGE_MODE" value="1" />
-          <indentOptions>
-            <option name="CONTINUATION_INDENT_SIZE" value="4" />
-          </indentOptions>
-          <arrangement>
-            <rules>
-              <section>
-                <rule>
-                  <match>
-                    <AND>
-                      <NAME>xmlns:android</NAME>
-                      <XML_NAMESPACE>^$</XML_NAMESPACE>
-                    </AND>
-                  </match>
-                </rule>
-              </section>
-              <section>
-                <rule>
-                  <match>
-                    <AND>
-                      <NAME>xmlns:.*</NAME>
-                      <XML_NAMESPACE>^$</XML_NAMESPACE>
-                    </AND>
-                  </match>
-                  <order>BY_NAME</order>
-                </rule>
-              </section>
-              <section>
-                <rule>
-                  <match>
-                    <AND>
-                      <NAME>.*:id</NAME>
-                      <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                    </AND>
-                  </match>
-                </rule>
-              </section>
-              <section>
-                <rule>
-                  <match>
-                    <AND>
-                      <NAME>.*:name</NAME>
-                      <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                    </AND>
-                  </match>
-                </rule>
-              </section>
-              <section>
-                <rule>
-                  <match>
-                    <AND>
-                      <NAME>name</NAME>
-                      <XML_NAMESPACE>^$</XML_NAMESPACE>
-                    </AND>
-                  </match>
-                </rule>
-              </section>
-              <section>
-                <rule>
-                  <match>
-                    <AND>
-                      <NAME>style</NAME>
-                      <XML_NAMESPACE>^$</XML_NAMESPACE>
-                    </AND>
-                  </match>
-                </rule>
-              </section>
-              <section>
-                <rule>
-                  <match>
-                    <AND>
-                      <NAME>.*</NAME>
-                      <XML_NAMESPACE>^$</XML_NAMESPACE>
-                    </AND>
-                  </match>
-                  <order>BY_NAME</order>
-                </rule>
-              </section>
-              <section>
-                <rule>
-                  <match>
-                    <AND>
-                      <NAME>.*:layout_width</NAME>
-                      <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                    </AND>
-                  </match>
-                </rule>
-              </section>
-              <section>
-                <rule>
-                  <match>
-                    <AND>
-                      <NAME>.*:layout_height</NAME>
-                      <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                    </AND>
-                  </match>
-                </rule>
-              </section>
-              <section>
-                <rule>
-                  <match>
-                    <AND>
-                      <NAME>.*:layout_.*</NAME>
-                      <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                    </AND>
-                  </match>
-                  <order>BY_NAME</order>
-                </rule>
-              </section>
-              <section>
-                <rule>
-                  <match>
-                    <AND>
-                      <NAME>.*:width</NAME>
-                      <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                    </AND>
-                  </match>
-                  <order>BY_NAME</order>
-                </rule>
-              </section>
-              <section>
-                <rule>
-                  <match>
-                    <AND>
-                      <NAME>.*:height</NAME>
-                      <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                    </AND>
-                  </match>
-                  <order>BY_NAME</order>
-                </rule>
-              </section>
-              <section>
-                <rule>
-                  <match>
-                    <AND>
-                      <NAME>.*</NAME>
-                      <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                    </AND>
-                  </match>
-                  <order>BY_NAME</order>
-                </rule>
-              </section>
-              <section>
-                <rule>
-                  <match>
-                    <AND>
-                      <NAME>.*</NAME>
-                      <XML_NAMESPACE>.*</XML_NAMESPACE>
-                    </AND>
-                  </match>
-                  <order>BY_NAME</order>
-                </rule>
-              </section>
-            </rules>
-          </arrangement>
-        </codeStyleSettings>
-      </value>
-    </option>
-    <option name="PREFERRED_PROJECT_CODE_STYLE" value="Default" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/TagsEditText/src/main/java/mabbas007/tagsedittext/TagsEditText.java b/TagsEditText/src/main/java/mabbas007/tagsedittext/TagsEditText.java
index 6194ea3..5f8fb01 100644
--- a/TagsEditText/src/main/java/mabbas007/tagsedittext/TagsEditText.java
+++ b/TagsEditText/src/main/java/mabbas007/tagsedittext/TagsEditText.java
@@ -196,6 +196,30 @@ public void setTags(CharSequence... tags) {
         mTextWatcher.afterTextChanged(getText());
     }
 
+    /**
+     * use this method to set tags
+     */
+
+    public void setTags(String[] tags) {
+        mTagSpans.clear();
+        mTags.clear();
+
+        int length = tags != null ? tags.length : 0;
+        int position = 0;
+        for (int i = 0; i < length; i++) {
+            Tag tag = new Tag();
+            tag.setIndex(i);
+            tag.setPosition(position);
+            String source = mIsSpacesAllowedInTags ? tags[i].trim() : tags[i].replaceAll(" ", "");
+            tag.setSource(source);
+            tag.setSpan(true);
+            mTags.add(tag);
+            position += source.length() + 1;
+        }
+        buildStringWithTags(mTags);
+        mTextWatcher.afterTextChanged(getText());
+    }
+
     @Override
     public Parcelable onSaveInstanceState() {
 
diff --git a/app/src/main/java/mabbas007/myapplication/MainActivity.java b/app/src/main/java/mabbas007/myapplication/MainActivity.java
index b411571..0b371c9 100644
--- a/app/src/main/java/mabbas007/myapplication/MainActivity.java
+++ b/app/src/main/java/mabbas007/myapplication/MainActivity.java
@@ -7,10 +7,8 @@
 import android.view.View;
 import android.widget.ArrayAdapter;
 
-import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
-import java.util.List;
 
 import mabbas007.tagsedittext.TagsEditText;
 
@@ -53,7 +51,8 @@ public void onWindowFocusChanged(boolean hasFocus) {
     public void onClick(View v) {
         switch (v.getId()) {
             case R.id.btnChangeTags: {
-                mTagsEditText.setTags("1", "2", "3");
+                //mTagsEditText.setTags("1", "2", "3");
+                mTagsEditText.setTags(new String[]{"1","2","3","4"});
                 break;
             }
             case R.id.btnChangeBackground: {
diff --git a/build.gradle b/build.gradle
index 03bced9..aff4f41 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.1.0'
+        classpath 'com.android.tools.build:gradle:2.1.2'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files