Font Awesome Android

Font Awesome Helper classes for Android

public class MyAppClass extends Application
{
	public static Typeface FONT_AWESOME;
	public static FontAwesomeHelper FONT_AWESOME_HELPER;
	
	@Override
	public void onCreate()
	{
		super.onCreate();
		
		FONT_AWESOME = Typeface.createFromAsset(getAssets(), "fontawesome-webfont.ttf");
		FONT_AWESOME_HELPER = new FontAwesomeHelper(loadJson());
	}

	public String loadJson()
	{
		String json = null;
		try{
			InputStream is = getAssets().open("font_awesome.json");
			int size = is.available();
			byte[] buffer = new byte[size];
			is.read(buffer);
			is.close();
			json = new String(buffer, "UTF-8");
		}
		catch (IOException ex) {
			ex.printStackTrace();
			return null;
		}
		return json;
	}
}

FontAwesomeHelper

public class FontAwesomeHelper
{
	private static final String TAG = FontAwesomeHelper.class.getSimpleName();

	private HashMap<String,String> mFontIcons = new HashMap<>();

	public FontAwesomeHelper(String json)
	{
		parseIcons(json);
	}

	private void parseIcons(String json)
	{
		JSONObject jObject = null;
		try{
			jObject = new JSONObject(json);
			Map<String, String> map = new HashMap<>();
			Iterator iter = jObject.keys();
			while(iter.hasNext()){
				String key = (String) iter.next();
				String value = jObject.getString(key);
				map.put(key, value);
				mFontIcons.put(key, value);
			}
		}
		catch(JSONException e){
			e.printStackTrace();
		}
	}

	public String getUnicodeValue(String key)
	{
		//each icon class from my rest api was prefixed with 'fa fa-', so i remove it
		String keyTrimmed = key.replace("fa fa-", "");
		return mFontIcons.get(keyTrimmed);
	}
}

Using it

...
TextView phoneIconTv = new TextView(this);
phoneIconTv.setTypeface(MyAppClass.FONT_AWESOME);
phoneIconTv.setText(MyAppClass.FONT_AWESOME_HELPER.getUnicodeValue("phone")
...