Creating the user interface consists of allocating a Form, a TextField, and two Commands — one to search the record store and one to exit the MIDlet, as shown in Listing 19.
用户界面的创建包括指定一个Form、一个TextField和两个Command——一个用于搜索记录存储，另外一个用于退出MIDlet，如清单19所示。
Start by creating the basic form (shown in Listing 1), into which the user enters a sensor id.
首先创建一个基本表单(如清单1所示)，用户可以在该表单中输入传感器id。
Start by creating the basic form (shown in Listing 1), into which the user enters a sensor id.
首先创建一个基本表单(如清单1所示)，用户可以在该表单中输入传感器id。
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