Gets the screen density for the device. - Android User Interface

Android examples for User Interface:Screen Resolution

  1. HOME
  2. Android
  3. User Interface
  4. Screen Resolution

Description

Gets the screen density for the device.

Demo Code

/**//w  w w  .j  ava  2  s. co  m
 * AdFlakeUtil.java (AdFlakeSDK-Android)
 *
 * Copyright ? 2013 MADE GmbH - All Rights Reserved.
 *
 * Unauthorized copying of this file, via any medium is strictly prohibited
 * unless otherwise noted in the License section of this document header.
 *
 * @file AdFlakeUtil.java
 * @copyright 2013 MADE GmbH. All rights reserved.
 * @section License
 * 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 com.java2s;
import android.app.Activity;

import android.util.DisplayMetrics;

public class Main {
    private static double density = -1;

    /**
     * Gets the screen density for the device.
     * 
     * @param activity
     *            is the current activity.
     * @return A double value representing the device's screen density.
     */
    public static double getDensity(Activity activity) {
        if (density == -1) {
            DisplayMetrics displayMetrics = new DisplayMetrics();
            activity.getWindowManager().getDefaultDisplay()
                    .getMetrics(displayMetrics);
            density = displayMetrics.density;
        }

        return density;
    }
}

Related Tutorials