How to prevent TextView font changing, when we change the Device font style in Samsung devices

Question

I would like say that I have a strange problem in setting textview font. If I change the Device font style from setting-> display, then textview font style also get chang

Answer 1

public class CustomTextView extends TextView {

    Context context;

    public CustomTextView (Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        this.context = context;
    }

    public CustomTextView (Context context, AttributeSet attrs) {
        super(context, attrs);
        this.context = context;
    }

    public CustomTextView (Context context) {
        super(context);
        this.context = context;
    }

    public void setTypeface(Typeface tf, int style) {
        if (style == Typeface.NORMAL) {
            super.setTypeface(Typeface.createFromAsset(getContext().getAssets(), "fonts/HelveticaNeue.ttf")/*
                                                                                                             * ,
                                                                                                             * -
                                                                                                             * 1
                                                                                                             */);
        } else if (style == Typeface.ITALIC) {
            super.setTypeface(Typeface.createFromAsset(getContext().getAssets(), "fonts/HelveticaNeueItalic.ttf")/*
                                                                                                                 * ,
                                                                                                                 * -
                                                                                                                 * 1
                                                                                                                 */);
        } else if (style == Typeface.BOLD) {
            super.setTypeface(Typeface.createFromAsset(getContext().getAssets(), "fonts/HelveticaNeueBold.ttf")/*
                                                                                                                 * ,
                                                                                                                 * -
                                                                                                                 * 1
                                                                                                                 */);
        }
    }

}

and add it in ur xml like this