潇儒瀚

Bundle类是一个key-value对，“A mapping from String values to various Parcelable types.”类继承关系：java.lang.Object     android.os.BundleBundle类是一个final类：public final classBundleextends Objectimplements Parcel...

一.Linux系统进程间通信有哪些方式?　　1.socket;　　2.name pipe命名管道;　　3.message queue消息队列;　　4.singal信号量;　　5.share memory共享内存; 二.Java系统的通信方式是什么?　　1.socket;　　2.name pipe; 三.Android系统通信方式是什么?　　Binde...

         public Set<String> keySet ()         Since: API Level 1        Returns a Set containing the Strings used as keys in this Bundle.    Returns a Set of String keys...

httpUrlConnection.setDoOutput(true）httpUrlConnection.setDoInput(true) 这两个方法在develope的httpUrlConnection方法中找不到的。一般情况是：          HttpURLConnection conn = (HttpURLConnection)url.openConnecti...

传递信息的Action是Intent.ACTION_SEND。代码如下： Intent sendEmailIntent = new Intent(Intent.ACTION_SEND);String subject = "subject ";String body = "body ";String[] extra = new String[] {"111@bbb....