Java tutorial
//package com.java2s; import android.graphics.Canvas; import android.graphics.Paint; import java.util.LinkedHashMap; public class Main { private static LinkedHashMap<String, String> debugOutput = new LinkedHashMap<String, String>(); private static Paint whitePaint = new Paint(); public static void drawDebugOutput(Canvas c) { int vertical_spacing = 0; for (String key : debugOutput.keySet()) { c.drawText(key + ": " + debugOutput.get(key), 20, 200 + vertical_spacing, whitePaint); vertical_spacing += whitePaint.getTextSize(); } } }