Font in Android Library

Question

At the follow link

Android Dev Guide

is write:

Library projects cannot include raw assets The tools do not support the use of raw asset files (saved in t

Answer 1

If you extend a TextView and want to use many of this views you should have only one instance of the Typeface in this view. Copy the *.ttf file into res/raw/ and use the following code:

public class MyTextView extends TextView {
    public static final String FONT = "font.ttf";
    private static Typeface mFont;

    private static Typeface getTypefaceFromFile(Context context) {
        if(mFont == null) {
            File font = new File(context.getFilesDir(), FONT);
            if (!font.exists()) {
                copyFontToInternalStorage(context, font);
            }
            mFont = Typeface.createFromFile(font);
        }
        return mFont;
    }

    private static void copyFontToInternalStorage(Context context, File font) {
        try {
            InputStream is = context.getResources().openRawResource(R.raw.font);
            byte[] buffer = new byte[4096];
            BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(font));
            int readByte;
            while ((readByte = is.read(buffer)) > 0) {
                bos.write(buffer, 0, readByte);
            }
            bos.close();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public MyTextView(Context context, AttributeSet attrs) {
        super(context, attrs);
        setTypeface(getTypefaceFromFile(context));
    }
}

mFont is a static variable, so the reference will not be destroyed and can be reused in other MyTextViews. This code is nearly the same as the other answers but I guess mor efficient and consumes less memory if you are using it in a ListView or something.