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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko.util;
import org.mozilla.gecko.AppConstants.Versions;
import android.content.Context;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.Display;
import android.view.WindowManager;
import java.lang.reflect.Method;
public class WindowUtils {
private static final String LOGTAG = "Gecko" + WindowUtils.class.getSimpleName();
private WindowUtils() { /* To prevent instantiation */ }
/**
* Returns the best-guess physical device dimensions, including the system status bars. Note
* that DisplayMetrics.height/widthPixels does not include the system bars.
*
* via http://stackoverflow.com/a/23861333
*
* @param context the calling Activity's Context
* @return The number of pixels of the device's largest dimension, ignoring software status bars
*/
public static int getLargestDimension(final Context context) {
final Display display = ((WindowManager) context.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
if (Versions.feature17Plus) {
final DisplayMetrics realMetrics = new DisplayMetrics();
display.getRealMetrics(realMetrics);
return Math.max(realMetrics.widthPixels, realMetrics.heightPixels);
} else {
int tempWidth;
int tempHeight;
try {
final Method getRawH = Display.class.getMethod("getRawHeight");
final Method getRawW = Display.class.getMethod("getRawWidth");
tempWidth = (Integer) getRawW.invoke(display);
tempHeight = (Integer) getRawH.invoke(display);
} catch (Exception e) {
// This is the best we can do.
tempWidth = display.getWidth();
tempHeight = display.getHeight();
Log.w(LOGTAG, "Couldn't use reflection to get the real display metrics.");
}
return Math.max(tempWidth, tempHeight);
}
}
}
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