Java tutorial
//package com.java2s; //License from project: Open Source License import android.app.Activity; import android.content.Context; import android.text.TextUtils; import android.widget.Toast; public class Main { private static Toast mToast; public static void ToastMsg(Context context, String msg) { if (context == null || TextUtils.isEmpty(msg)) { return; } if (mToast != null) { mToast.cancel(); mToast = null; } mToast = Toast.makeText(context, msg, Toast.LENGTH_SHORT); mToast.show(); } public static void ToastMsg(Context context, int resourceId) { if (context == null) { return; } if (mToast != null) { mToast.cancel(); mToast = null; } mToast = Toast.makeText(context, resourceId, Toast.LENGTH_SHORT); mToast.show(); } public static void ToastMsg(final Activity activity, final String msg) { if (activity == null || TextUtils.isEmpty(msg)) { return; } activity.runOnUiThread(new Runnable() { @Override public void run() { if (mToast != null) { mToast.cancel(); mToast = null; } mToast = Toast.makeText(activity, msg, Toast.LENGTH_SHORT); mToast.show(); } }); } }