Here you can find the source of getDeviceDesity(Activity activity)
public static int getDeviceDesity(Activity activity)
//package com.java2s; /*// w w w.j a v a 2 s.c om * Copyright (C) 2014 The AppCan Open Source Project. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser 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 Lesser General Public License for more details. * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * */ import android.app.Activity; import android.util.DisplayMetrics; public class Main { public static int getDeviceDesity(Activity activity) { DisplayMetrics dm = new DisplayMetrics(); activity.getWindowManager().getDefaultDisplay().getMetrics(dm); return dm.densityDpi; } }