Here you can find the source of converSpToPixel(Context context, float spValue)
public static int converSpToPixel(Context context, float spValue)
//package com.java2s; import android.content.Context; import android.content.res.Resources; import android.util.DisplayMetrics; public class Main { public static int converSpToPixel(Context context, float spValue) { Resources resources = context.getResources(); DisplayMetrics metrics = resources.getDisplayMetrics(); return (int) (spValue * metrics.scaledDensity + 0.5f); }//from w ww .j av a 2 s. co m }