07 Input and Output Console Acommand-line interface(CLI) processes commands to a computer program in the form of lines of text. Operating systems implement a command-line interface in a shell (Console)for interactive access to operating system functions or services. Users can comunicate with soft...
Input and Output The RI performs I/O through a socket interface, simulating the interaction with a card reader implementing T=1, T=CL, or T=0 communications with the card reader. Useapdutoolto read script files and send APDUs through a socket to the RI. Seeapdutool Examplesfor details. ...
Group name: tools Commands: assign, balance_switch, balancer, balancer_enabled, catalogjanitor_enabled, catalogjanitor_run, catalogjanitor_switch, cleaner_chore_enabled, cleaner_chore_run, cleaner_chore_switch, clear_block_cache, clear_compaction_queues, clear_deadservers, close_region, compact, compact...
In this chapter, we work with input and output operations in Tcl. Tcl has several commands for doing io. We cover a few of them. Tcl uses objects called channels to read and write data. The channels can be created using the open or socket command. There are three standard channels ...
All basic input and output stream commands can throw an IOException, so you should arrange to catch and handle them appropriately. To retrieve the value as a byte, perform a cast: byte b = (byte) val; Be sure to check for the end-of-stream condition before you perform the cast. An ...
先从java层的InputManagerService的创建开始,它是在SystemServer中创建: [java]view plaincopy inputManager =newInputManagerService(context); Slog.i(TAG,"Window Manager"); wm = WindowManagerService.main(context, inputManager, mFactoryTestMode != FactoryTest.FACTORY_TEST_LOW_LEVEL, ...
runCommandsLockedInterruptible() 依次执行mCommandQueue 里的命令,前面说过,pokeUserActivity 会调用PowerManagerService 的 updatePowerStateLocked(), 而 interceptKeyBeforeDispatching() 则最终调用到PhoneWindowManager的同名函数。我们在interceptBeforeQueuing 里面提到的一些系统按键在这个被执行,比如 HOME/MENU/SEARCH 等...
之前InputReader分发线程通过InputDispatcher.enqueueInboundEventLocked,向InputDispatcher.mInboundQueue加入了当前要处理的输入事件。假设当前没有等待处理的事件,那就从InputDispatcher.mInboundQueue取出一个EventEntry类型的事件赋值给mPendingEvent。 1.2 根据事件类型调用相应函数处理 判断mPendingEvent的类型,如果是Key事件则...
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Chapter ThirteenJava Input and Output*Some of the computing in the chapters to follow is made easier by being able towrite output to files, and being able to read from the keyboard or from a file. Eventhough we will give you the commands needed to do that in those chapters, wewill not...