MainWorker.java

/*
 * Copyright (C) 2015 
 *            heaven7(donshine723@gmail.com)
 *
 * 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.
 */
package org.heaven7.scrap.util;

import android.os.Handler;
import android.os.Looper;

/**the all post runnables will run on main thread.
 * @author heaven7
 */
public class MainWorker {

    public static final Handler MainHandler = new Handler(Looper.getMainLooper());
	
	public static void post(Runnable r){
		if(currentIsMainThread()){
			r.run();
		}else{
			MainHandler.post(r);
		}
	}
	
	public static boolean currentIsMainThread(){
		return Thread.currentThread() == Looper.getMainLooper().getThread();
	}
	
	public static void remove(Runnable r){
		MainHandler.removeCallbacks(r);
	}
	
	public static void postDelay(long delay,Runnable r){
		MainHandler.postDelayed(r, delay);
	}
}