This thoroughly revised fourth edition covers REST, SPDY, asynchronous I/O, and many other recent technologies. These tests validate the functionality of various aspects of the Bluetooth, Wi-Fi, and cellular radios as used by the Android framework. You’ll learn how to use Java’s network class library to quickly and easily accomplish common networking tasks such as writing multithreaded servers, encrypting communications, broadcasting to the local network, and posting data to server-side programs.Īuthor Elliotte Rusty Harold provides complete working programs to illustrate the methods and classes he describes. : Connection refused Error Possible reasons 1) Client and Server, either or both of them are not in the network. Network Connectivity Tests Android Connectivity Testing Suite (ACTS) tests fill the testing gap between Android’s framework APIs and chipset certifications. This practical guide provides a complete introduction to developing network programs with Java. The package provides 4 kinds of Sockets: Socket is a TCP client API, and will typically be used to connect to a remote host.
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