Add supports for characters outside the initial Basic Multilingual Plane

android-iconify-entypo/src/main/java/com/joanzapata/iconify/fonts/EntypoIcons.java

@@ -427,7 +427,7 @@ public String key() {
     }
 
     @Override
-    public char character() {
-        return character;
+    public String character() {
+        return String.valueOf(character);
     }
 }

android-iconify-fontawesome/src/main/java/com/joanzapata/iconify/fonts/FontAwesomeIcons.java

@@ -710,7 +710,7 @@ public String key() {
     }
 
     @Override
-    public char character() {
-        return character;
+    public String character() {
+        return String.valueOf(character);
     }
 }

android-iconify-ionicons/src/main/java/com/joanzapata/iconify/fonts/IoniconsIcons.java

@@ -749,7 +749,7 @@ public String key() {
     }
 
     @Override
-    public char character() {
-        return character;
+    public String character() {
+        return String.valueOf(character);
     }
 }

android-iconify-material-community/src/main/java/com/joanzapata/iconify/fonts/MaterialCommunityIcons.java

@@ -1473,7 +1473,7 @@ public String key() {
     }
 
     @Override
-    public char character() {
-        return character;
+    public String character() {
+        return String.valueOf(character);
     }
 }

android-iconify-material/src/main/java/com/joanzapata/iconify/fonts/MaterialIcons.java

@@ -811,7 +811,7 @@ public String key() {
     }
 
     @Override
-    public char character() {
-        return character;
+    public String character() {
+        return String.valueOf(character);
     }
 }

android-iconify-meteocons/src/main/java/com/joanzapata/iconify/fonts/MeteoconsIcons.java

@@ -63,7 +63,7 @@ public String key() {
     }
 
     @Override
-    public char character() {
-        return character;
+    public String character() {
+        return String.valueOf(character);
     }
 }

android-iconify-simplelineicons/src/main/java/com/joanzapata/iconify/fonts/SimpleLineIconsIcons.java

@@ -178,7 +178,7 @@ public String key() {
     }
 
     @Override
-    public char character() {
-        return character;
+    public String character() {
+        return String.valueOf(character);
     }
 }

android-iconify-typicons/src/main/java/com/joanzapata/iconify/fonts/TypiconsIcons.java

@@ -352,7 +352,7 @@ public String key() {
     }
 
     @Override
-    public char character() {
-        return character;
+    public String character() {
+        return String.valueOf(character);
     }
 }

android-iconify-weathericons/src/main/java/com/joanzapata/iconify/fonts/WeathericonsIcons.java

@@ -528,7 +528,7 @@ public String key() {
     }
 
     @Override
-    public char character() {
-        return character;
+    public String character() {
+        return String.valueOf(character);
     }
 }

android-iconify/src/main/java/com/joanzapata/iconify/Icon.java

@@ -8,7 +8,8 @@ public interface Icon {
     /** The key of icon, for example 'fa-ok' */
     String key();
 
-    /** The character matching the key in the font, for example '\u4354' */
-    char character();
+    /** The character matching the key in the font, for example String.valueOf('\u4354') or in case
+     * of characters outside the initial Basic Multilingual Plane, simply "\uD83D\uDC64" */
+    String character();
 
 }

android-iconify/src/main/java/com/joanzapata/iconify/IconDrawable.java

@@ -162,8 +162,8 @@ public void draw(Canvas canvas) {
         int height = bounds.height();
         paint.setTextSize(height);
         Rect textBounds = new Rect();
-        String textValue = String.valueOf(icon.character());
-        paint.getTextBounds(textValue, 0, 1, textBounds);
+        String textValue = icon.character();
+        paint.getTextBounds(textValue, 0, textValue.length(), textBounds);
         int textHeight = textBounds.height();
         float textBottom = bounds.top + (height - textHeight) / 2f + textHeight - textBounds.bottom;
         canvas.drawText(textValue, bounds.exactCenterX(), textBottom, paint);