Utils.java

package com.fima.cardsui;

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

public class Utils {
	
	

	/**
	 * This method converts device specific pixels to device independent pixels.
	 * 
	 * @param px
	 *            A value in px (pixels) unit. Which we need to convert into db
	 * @param context
	 *            Context to get resources and device specific display metrics
	 * @return A float value to represent db equivalent to px value
	 */
	public float convertPixelsToDp(Context ctx, float px) {
		DisplayMetrics metrics = ctx.getResources().getDisplayMetrics();
		float dp = px / (metrics.densityDpi / 160f);
		return dp;

	}

	public static int convertDpToPixelInt(Context context, float dp) {

		DisplayMetrics metrics = context.getResources().getDisplayMetrics();
		int px = (int) (dp * (metrics.densityDpi / 160f));
		return px;
	}
	
	public static float convertDpToPixel(Context context, float dp) {

		DisplayMetrics metrics = context.getResources().getDisplayMetrics();
		float px = (float) (dp * (metrics.densityDpi / 160f));
		return px;
	}

}