Java tutorial
//package com.java2s; /* This file is part of Subsonic. Subsonic 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. Subsonic 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 Subsonic. If not, see <http://www.gnu.org/licenses/>. Copyright 2009 (C) Sindre Mehus */ import android.content.Context; import android.content.res.Resources; import android.util.DisplayMetrics; public class Main { /** * This method converts device specific pixels to density independent pixels. * * @param px A value in px (pixels) unit. Which we need to convert into db * @param context Context to get resources and device specific display metrics * @return A float value to represent dp equivalent to px value */ public static float convertPixelsToDp(float px, Context context) { Resources resources = context.getResources(); DisplayMetrics metrics = resources.getDisplayMetrics(); return px / (metrics.densityDpi / (float) DisplayMetrics.DENSITY_MEDIUM); } }