This class is use to get screen width and height.

ScreenUtils.java

import android.content.Context;
import android.util.DisplayMetrics;
import android.view.WindowManager;

/**
 * Created by maulik santoki on 17/10/17.
 */

public class ScreenUtils {

    /**
     * This class is use to get screen width and height.
     */

    private ScreenUtils() {
        // This utility class is not publicly instantiable
    }

    /**
     * this method is use for get device screen width.
     *
     * @param context pass application context.
     * @version V1.0
     */

    public static int getScreenWidth(Context context) {
        WindowManager windowManager = (WindowManager) context
                .getSystemService(Context.WINDOW_SERVICE);
        DisplayMetrics dm = new DisplayMetrics();
        windowManager.getDefaultDisplay().getMetrics(dm);
        return dm.widthPixels;
    }

    /**
     * this method is use for get device screen Height.
     *
     * @param context pass application context.
     * @version V1.0
     */
    public static int getScreenHeight(Context context) {
        WindowManager windowManager = (WindowManager) context
                .getSystemService(Context.WINDOW_SERVICE);
        DisplayMetrics dm = new DisplayMetrics();
        windowManager.getDefaultDisplay().getMetrics(dm);
        return dm.heightPixels;
    }

    /**
     * this method is use for get device StatusBar Height.
     *
     * @param context pass application context.
     * @version V1.0
     */
    public static int getStatusBarHeight(Context context) {
        int result = 0;
        int resourceId = context.getResources()
                .getIdentifier("status_bar_height", "dimen", "android");
        if (resourceId > 0) {
            result = context.getResources().getDimensionPixelSize(resourceId);
        }
        return result;
    }
}