DeviceUtils.java

package acr.browser.lightning.utils;

import android.content.Context;
import android.graphics.Point;
import android.os.Build;
import android.support.annotation.NonNull;
import android.util.DisplayMetrics;
import android.view.Display;
import android.view.WindowManager;

public final class DeviceUtils {

    private DeviceUtils() {}

    public static int getScreenWidth(@NonNull Context context) {
        WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
        Display display = wm.getDefaultDisplay();
        Point point = new Point();
        display.getSize(point);
        return point.x;
    }

    public static int getAvailableScreenWidth(@NonNull Context context) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
            WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
            Display display = wm.getDefaultDisplay();
            DisplayMetrics metrics = new DisplayMetrics();
            display.getRealMetrics(metrics);
            return metrics.widthPixels;
        } else {
            return getScreenWidth(context);
        }
    }

}