Java tutorial
//package com.java2s; /* * Copyright (C) 2015 Federico Iosue (federico.iosue@gmail.com) * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ import android.content.Context; public class Main { /** * Checks if a bitmap is null and returns a placeholder in its place */ private static int dpToPx(Context mContext, int dp) { float density = mContext.getResources().getDisplayMetrics().density; return Math.round((float) dp * density); } }