Java tutorial
//package com.java2s; import android.content.Context; import android.widget.Toast; public class Main { private static String oldMsg; protected static Toast toast = null; private static long oneTime = 0; private static long twoTime = 0; public static void showToast(Context context, String s) { if (toast == null) { toast = Toast.makeText(context, s, Toast.LENGTH_SHORT); toast.show(); oneTime = System.currentTimeMillis(); } else { twoTime = System.currentTimeMillis(); if (s.equals(oldMsg)) { if (twoTime - oneTime > Toast.LENGTH_SHORT) { toast.show(); } } else { oldMsg = s; toast.setText(s); toast.show(); } } oneTime = twoTime; } public static void showToast(Context context, int resId) { showToast(context, context.getString(resId)); } }