Java tutorial
//package com.java2s; /* * Jitsi, the OpenSource Java VoIP and Instant Messaging client. * * Copyright @ 2015 Atlassian Pty Ltd * * 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.os.*; public class Main { /** * Returns <tt>true</tt> if current <tt>Thread</tt> is UI thread. * @return <tt>true</tt> if current <tt>Thread</tt> is UI thread. */ public static boolean isUIThread() { return Looper.getMainLooper().getThread() == Thread.currentThread(); } }