Java tutorial
//package com.java2s; /* * Copyright (C) 2016 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import android.content.Context; import android.os.Handler; import android.os.Looper; import android.widget.Toast; public class Main { public static void showToast(Context context, String message) { new Handler(Looper.getMainLooper()).post(() -> { Toast.makeText(context, message, Toast.LENGTH_SHORT).show(); }); } }