DisplayUtils.java

/**
 * The MIT License (MIT)
 * Copyright (c) 2012 David Carver
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
 * OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package us.nineworlds.serenity.ui.util;

import android.app.Activity;
import android.content.Context;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;
import android.util.DisplayMetrics;
import android.view.Display;
import android.view.View;

/**
 * @author dcarver
 * 
 */
public class DisplayUtils {

	public static int screenWidthDP(Activity context) {
		Display display = context.getWindowManager().getDefaultDisplay();
		DisplayMetrics outMetrics = new DisplayMetrics();
		display.getMetrics(outMetrics);

		float density = context.getResources().getDisplayMetrics().density;
		int dpWidth = Float.valueOf(outMetrics.widthPixels / density)
				.intValue();
		return dpWidth;
	}

	public static int screenHeightDP(Activity context) {
		Display display = context.getWindowManager().getDefaultDisplay();
		DisplayMetrics outMetrics = new DisplayMetrics();
		display.getMetrics(outMetrics);

		float density = context.getResources().getDisplayMetrics().density;
		int dpWidth = Float.valueOf(outMetrics.heightPixels / density)
				.intValue();
		return dpWidth;
	}

	public static void overscanCompensation(Context context, View... views) {
		final SharedPreferences prefs = PreferenceManager
				.getDefaultSharedPreferences(context);

		if (prefs.getBoolean("overscan_compensation", false)) {
			for (View view : views) {
				if (view != null) {
					// ViewGroup.MarginLayoutParams params =
					// (ViewGroup.MarginLayoutParams) view
					// .getLayoutParams();

					view.setPadding(prefs.getInt("overscan_left", 50),
							prefs.getInt("overscan_top", 50),
							prefs.getInt("overscan_right", 50),
							prefs.getInt("overscan_bottom", 50));
					// params.setMargins(prefs.getInt("overscan_left", 50),
					// prefs.getInt("overscan_top", 50),
					// prefs.getInt("overscan_right", 50),
					// prefs.getInt("overscan_bottom", 50));
				}
			}
		}
	}
}