Java tutorial
/* * Copyright 2014 Chris Banes * * 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. */ package app.philm.in.util; import com.google.common.base.Preconditions; import android.content.res.AssetManager; import android.graphics.Typeface; import android.os.Build; import android.support.v4.util.LruCache; public class TypefaceManager { private static final String ROBOTO_LIGHT_FILENAME = "Roboto-Light.ttf"; private static final String ROBOTO_CONDENSED_FILENAME = "RobotoCondensed-Regular.ttf"; private static final String ROBOTO_CONDENSED_BOLD_FILENAME = "RobotoCondensed-Bold.ttf"; private static final String ROBOTO_CONDENSED_LIGHT_FILENAME = "RobotoCondensed-Light.ttf"; private static final String ROBOTO_SLAB_FILENAME = "RobotoSlab-Regular.ttf"; private static final String ROBOTO_LIGHT_NATIVE_FONT_FAMILY = "sans-serif-light"; private static final String ROBOTO_CONDENSED_NATIVE_FONT_FAMILY = "sans-serif-condensed"; private final LruCache<String, Typeface> mCache; private final AssetManager mAssetManager; public TypefaceManager(AssetManager assetManager) { mAssetManager = Preconditions.checkNotNull(assetManager, "assetManager cannot be null"); mCache = new LruCache<>(3); } public Typeface getRobotoLight() { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { return Typeface.create(ROBOTO_LIGHT_NATIVE_FONT_FAMILY, Typeface.NORMAL); } return getTypeface(ROBOTO_LIGHT_FILENAME); } public Typeface getRobotoCondensed() { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { return Typeface.create(ROBOTO_CONDENSED_NATIVE_FONT_FAMILY, Typeface.NORMAL); } return getTypeface(ROBOTO_CONDENSED_FILENAME); } public Typeface getRobotoCondensedBold() { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { return Typeface.create(ROBOTO_CONDENSED_NATIVE_FONT_FAMILY, Typeface.BOLD); } return getTypeface(ROBOTO_CONDENSED_BOLD_FILENAME); } public Typeface getRobotoCondensedLight() { return getTypeface(ROBOTO_CONDENSED_LIGHT_FILENAME); } public Typeface getRobotoSlab() { return getTypeface(ROBOTO_SLAB_FILENAME); } private Typeface getTypeface(final String filename) { Typeface typeface = mCache.get(filename); if (typeface == null) { typeface = Typeface.createFromAsset(mAssetManager, "fonts/" + filename); mCache.put(filename, typeface); } return typeface; } }