Android textview font based on language

问题:

Is there a general method for handling font like, if it is Chinese I use a custom font for it, if English then I fall back to the default font? Thanks.

回答1:

Here is my 2 cents. You can use Calligraphy library to change the custom font easily either for whole app or for specific TextView as well.

• If you want to do it for whole app, then one solution I can think of is:

  1. In your app you can listen to the Broadcast of ACTION_LOCALE_CHANGED.
  2. Inside the listener check to see whether the locale is Locale.SIMPLIFIED_CHINESE or Locale.TRADITIONAL_CHINESE, then change the app's font.

• If you want to programatically change font of lets say partial text then you can use CalligraphyTypefaceSpan as mentioned Multiple Typeface's per TextView / Spannables section:

  SpannableStringBuilder sBuilder = new SpannableStringBuilder();
  sBuilder.append("Hello!") // Bold this
  .append("I use Calligraphy"); // Default TextView font.
  // Create the Typeface you want to apply to certain text
  CalligraphyTypefaceSpan typefaceSpan = new 
  CalligraphyTypefaceSpan(TypefaceUtils.load(getAssets(), "fonts/Roboto-Bold.ttf"));
  // Apply typeface to the Spannable 0 - 6 "Hello!" This can of course by dynamic.
  sBuilder.setSpan(typefaceSpan, 0, 6, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
  setText(sBuilder, TextView.BufferType.SPANNABLE);
  

Hope it helps.

P.S: I am not affiliated to the library in any way. I am a happy user of it.