Android: overriding default fonts

FontsOverride.java

/*
 * Copyright 2014 Yuriy Yunikov
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import android.content.Context;
import android.graphics.Typeface;

import java.lang.reflect.Field;

/**
 * @author yyunikov
 */
public final class FontsOverride {

    public static void setDefaultFont(final Context context, final String staticTypefaceFieldName, final String fontAssetName) {
        final Typeface regular = Typeface.createFromAsset(context.getAssets(),
                fontAssetName);
        replaceFont(staticTypefaceFieldName, regular);
    }

    protected static void replaceFont(final String staticTypefaceFieldName,
                                      final Typeface newTypeface) {
        try {
            final Field staticField = Typeface.class
                    .getDeclaredField(staticTypefaceFieldName);
            staticField.setAccessible(true);
            staticField.set(null, newTypeface);
        } catch (final NoSuchFieldException e) {
            Logger.getInstance().error(Model.getInstance().getApplication(), "Error getting static field by reflection.", e);
        } catch (final IllegalAccessException e) {
            Logger.getInstance().error(Model.getInstance().getApplication(), "Error getting static field by reflection.", e);
        }
    }
}

//...

public void doSmth() {
        FontsOverride.setDefaultFont(this, "MONOSPACE", "fonts/Roboto-Light.ttf");
        FontsOverride.setDefaultFont(this, "SERIF", "fonts/Roboto-Regular.ttf");
}