Add multiple starting chars

README.md

@@ -69,8 +69,20 @@ List<String> allHashTags = mTextHashTagHelper.getAllHashTags(true);
 // get all hashtags without "#", example: "blueeyes"
 List<String> allHashTags = mTextHashTagHelper.getAllHashTags(false);
 ```
+
+To add custom starting tags (eg : '@','$' etc...)
+```
+List<Character> startingChars = new ArrayList<>();
+startingChars.add('@');
+startingChars.add('#');
+startingChars.add('-');
+mHashTagHelper = HashTagHelper.Creator.create(getResources().getColor(R.color.colorPrimaryDark), null, startingChars);
+
+//Or you can simply use arrays helper like this one
+mHashTagHelper = HashTagHelper.Creator.create(getResources().getColor(R.color.colorPrimaryDark), null, Arrays.asList('#','@','-'));
+```
 #Demo
-![alt tag](https://cloud.githubusercontent.com/assets/2686355/11998408/e6aa1f62-aaa6-11e5-911a-c598b6853862.gif) ![alt tag](https://cloud.githubusercontent.com/assets/2686355/11998409/e6aa3ed4-aaa6-11e5-9797-100a024659cc.gif)
+![alt tag](https://cloud.githubusercontent.com/assets/2686355/11998408/e6aa1f62-aaa6-11e5-911a-c598b6853862.gif) ![alt tag](https://cloud.githubusercontent.com/assets/2686355/11998409/e6aa3ed4-aaa6-11e5-9797-100a024659cc.gif) ![new version](https://cloud.githubusercontent.com/assets/8886687/18061116/bbd3e1e8-6e36-11e6-9d4d-376b1399bd7b.jpg)
 
 # License
 

hashtag-helper/src/main/java/com/volokh/danylo/hashtaghelper/ClickableForegroundColorSpan.java

@@ -18,10 +18,6 @@ public class ClickableForegroundColorSpan extends ClickableSpan {
 
     private OnHashTagClickListener mOnHashTagClickListener;
 
-    public interface OnHashTagClickListener {
-        void onHashTagClicked(String hashTag);
-    }
-
     private final int mColor;
 
     public ClickableForegroundColorSpan(@ColorInt int color, OnHashTagClickListener listener) {

hashtag-helper/src/main/java/com/volokh/danylo/hashtaghelper/HashTagHelper.java

@@ -10,6 +10,7 @@
 import android.widget.TextView;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Set;
@@ -24,7 +25,7 @@
  * #hashtagendsifitfindsnotletterornotdigitsignlike_thisIsNotHighlithedArea
  *
  */
-public final class HashTagHelper implements ClickableForegroundColorSpan.OnHashTagClickListener {
+public final class HashTagHelper implements OnHashTagClickListener {
 
     /**
      * If this is not null then  all of the symbols in the List will be considered as valid symbols of hashtag
@@ -38,6 +39,7 @@ public final class HashTagHelper implements ClickableForegroundColorSpan.OnHashT
     private final List<Character> mAdditionalHashTagChars;
     private TextView mTextView;
     private int mHashTagWordColor;
+    private List<Character> mStartChars;
 
     private OnHashTagClickListener mOnHashTagClickListener;
 
@@ -46,17 +48,18 @@ public static final class Creator{
         private Creator(){}
 
         public static HashTagHelper create(int color, OnHashTagClickListener listener){
-            return new HashTagHelper(color, listener, null);
+            return new HashTagHelper(color, listener,  Arrays.asList('#'), null);
+        }
+        public static HashTagHelper create(int color, OnHashTagClickListener listener,List<Character> startChars){
+            return new HashTagHelper(color, listener, startChars, null);
         }
 
         public static HashTagHelper create(int color, OnHashTagClickListener listener, char... additionalHashTagChars){
-            return new HashTagHelper(color, listener, additionalHashTagChars);
+            return new HashTagHelper(color, listener, Arrays.asList('#'), additionalHashTagChars);
+        }
+        public static HashTagHelper create(int color, OnHashTagClickListener listener,List<Character> startChar, char... additionalHashTagChars){
+            return new HashTagHelper(color, listener, startChar, additionalHashTagChars);
         }
-
-    }
-
-    public interface OnHashTagClickListener{
-        void onHashTagClicked(String hashTag);
     }
 
     private final TextWatcher mTextWatcher = new TextWatcher() {
@@ -76,10 +79,11 @@ public void afterTextChanged(Editable s) {
         }
     };
 
-    private HashTagHelper(int color, OnHashTagClickListener listener, char... additionalHashTagCharacters) {
+    private HashTagHelper(int color, OnHashTagClickListener listener,List<Character> startChars, char... additionalHashTagCharacters) {
         mHashTagWordColor = color;
         mOnHashTagClickListener = listener;
         mAdditionalHashTagChars = new ArrayList<>();
+        mStartChars = startChars;
 
         if(additionalHashTagCharacters != null){
             for(char additionalChar : additionalHashTagCharacters){
@@ -133,7 +137,8 @@ private void setColorsToAllHashTags(CharSequence text) {
         while (index < text.length()-  1){
             char sign = text.charAt(index);
             int nextNotLetterDigitCharIndex = index + 1; // we assume it is next. if if was not changed by findNextValidHashTagChar then index will be incremented by 1
-            if(sign == '#'){
+
+            if(containsOne(mStartChars,sign)){
                 startIndexOfNextHashSign = index;
 
                 nextNotLetterDigitCharIndex = findNextValidHashTagChar(text, startIndexOfNextHashSign);
@@ -203,6 +208,13 @@ public List<String> getAllHashTags() {
         return getAllHashTags(false);
     }
 
+    private boolean containsOne(List<Character> charsList,char targetChar){
+        for(char c : charsList){
+            if(targetChar == c)
+                return true;
+        }
+        return false;
+    }
     @Override
     public void onHashTagClicked(String hashTag) {
         mOnHashTagClickListener.onHashTagClicked(hashTag);

hashtag-helper/src/main/java/com/volokh/danylo/hashtaghelper/OnHashTagClickListener.java

@@ -0,0 +1,5 @@
+package com.volokh.danylo.hashtaghelper;
+
+public interface OnHashTagClickListener {
+    void onHashTagClicked(String hashTag);
+}

sample_app/src/main/java/com/volokh/danylo/example/HashTagHelperDemoActivity.java

@@ -1,18 +1,22 @@
 package com.volokh.danylo.example;
 
-import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
 import android.util.Log;
 import android.view.View;
 import android.widget.Button;
+import android.widget.EditText;
 import android.widget.TextView;
 import android.widget.Toast;
 
 import com.volokh.danylo.hashtaghelper.HashTagHelper;
+import com.volokh.danylo.hashtaghelper.OnHashTagClickListener;
 
+import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 
-public class HashTagHelperDemoActivity extends AppCompatActivity implements HashTagHelper.OnHashTagClickListener, View.OnClickListener {
+public class HashTagHelperDemoActivity extends AppCompatActivity implements OnHashTagClickListener, View.OnClickListener {
 
     private static final String TAG = HashTagHelperDemoActivity.class.getSimpleName();
 
@@ -32,7 +36,7 @@ protected void onCreate(Bundle savedInstanceState) {
 
         mHashTagText = (TextView) findViewById(R.id.text);
         mAllHashTag = (TextView) findViewById(R.id.all_hashtags);
-        mEditTextView = (TextView) findViewById(R.id.edit_text_field);
+        mEditTextView = (EditText) findViewById(R.id.edit_text_field);
 
         Button getEnteredText = (Button) findViewById(R.id.get_entered_text_btn);
         getEnteredText.setOnClickListener(this);
@@ -45,11 +49,15 @@ protected void onCreate(Bundle savedInstanceState) {
         };
         // If you set additional symbols not only letters and digits will be a valid symbols for hashtag
         // Example: "hash_tag_with_underscore_and$dolar$sign$is$also$valid_hashtag"
-        mTextHashTagHelper = HashTagHelper.Creator.create(getResources().getColor(R.color.colorPrimary), this, additionalSymbols);
+        mTextHashTagHelper = HashTagHelper.Creator.create(getResources().getColor(R.color.colorPrimaryDark), this, Arrays.asList('#','@','-'), additionalSymbols);
         mTextHashTagHelper.handle(mHashTagText);
 
         // Here we don't specify additionalSymbols. It means that in EditText only letters and digits will be valid symbols
-        mEditTextHashTagHelper = HashTagHelper.Creator.create(getResources().getColor(R.color.colorPrimaryDark), null);
+        List<Character> startingChars = new ArrayList<>();
+        startingChars.add('@');
+        startingChars.add('#');
+        startingChars.add('-');
+        mEditTextHashTagHelper = HashTagHelper.Creator.create(getResources().getColor(R.color.colorPrimaryDark), null, Arrays.asList('#','@','-'));
         mEditTextHashTagHelper.handle(mEditTextView);
     }