1.http://fortawesome.github.io/Font-Awesome/cheatsheet/
下載fontawesome-webfont.ttf
2.將ttf放到項目的assets中
3.設置字體屬性
TextView xxTextView= (TextView) findViewById(R.id.XXTextView);
Typeface font = Typeface.createFromAsset(getAssets(), "fontawesome-webfont.ttf");
xxTextView.setTypeface(font);