Java tutorial
//package com.java2s; import android.content.Context; import android.util.TypedValue; public class Main { private static TypedValue sTypedValue = new TypedValue(); private static int sActionBarHeight; public static int getActionBarHeight(Context context) { if (sActionBarHeight != 0) { return sActionBarHeight; } context.getTheme().resolveAttribute(android.R.attr.actionBarSize, sTypedValue, true); sActionBarHeight = TypedValue.complexToDimensionPixelSize(sTypedValue.data, context.getResources().getDisplayMetrics()); return sActionBarHeight; } }