Java tutorial
//package com.java2s; /* Copyright 2013-2014 Miguel Vicente Linares * * 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. */ import android.app.Activity; import android.content.res.Configuration; import android.view.Display; import android.view.Surface; public class Main { /** * Calculates the default orientation of the device.<br> * The default orientation of most phones is portrait, and the default orientation of most tablets is landscape. * * @param activity Activity. * @return {@link Configuration#ORIENTATION_PORTRAIT} or {@link Configuration#ORIENTATION_LANDSCAPE} */ public static int getDefaultOrientationOfDevice(Activity activity) { Configuration configuration = activity.getResources().getConfiguration(); boolean orientationLandscape = (configuration.orientation == Configuration.ORIENTATION_LANDSCAPE); Display display = activity.getWindowManager().getDefaultDisplay(); int rotation = display.getRotation(); boolean parallelToDefaultVerticalAxis = (rotation == Surface.ROTATION_0) || (rotation == Surface.ROTATION_180); boolean defaultOrientationLandscape = (parallelToDefaultVerticalAxis && orientationLandscape) || (!parallelToDefaultVerticalAxis && !orientationLandscape); if (defaultOrientationLandscape) { return Configuration.ORIENTATION_LANDSCAPE; } return Configuration.ORIENTATION_PORTRAIT; } }