谁实际安装了 Java MIDlet 文件
假设我有 TicTacToe.jar (类文件和资源文件的集合)& TicTacToe.jad(描述符文件)文件,
谁以及如何将 jar 文件安装到一些机器相关文件,如(.sis 和所有)
平台无关 平台相关 JAR 文件<----------------> (??????) <----------> .sis 文件
Suppose i have TicTacToe.jar (Collection of class files and resource files) & TicTacToe.jad (Descriptor File) files,
Who and How does this installation from jar file to some machine dependant files like (.sis and all)
Platform independant Platform Dependant
JAR File <----------------> (???????) <----------> .sis Files
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虽然你的问题不是100%清楚,我会尽力回答我所理解的问题。
首先JME受多个平台支持,而sys文件仅属于Symbian。
其次,JME 应用程序分发实际上由 2 个文件组成:JAR 和 JAD。安装从 JAD 开始。 Java 安装程序(内置于平台中)检测 JAD,读取其数据,要求用户确认他/她是否希望真正安装应用程序,然后下载 JAR 文件并“安装”它。
该过程可以从 HTTP 请求(所谓的 OTA - 空中安装)、从存储卡、从蓝牙开始。底线:java 安装程序负责安装 midlet。
Although your question is not 100% clear I will try to answer the question as I understood it.
First JME is supported by several platforms while sys files belong to Symbian only.
Second, JME application distribution really consists of 2 files: JAR and JAD. The installation starts from JAD. Java installer (built in into the platform) detects JAD, reads its data, asks user to confirm his/her wish to really install the application and then downloads JAR file and "installs" it.
The process may start from HTTP request (so called OTA - over the air installation), from memory card, from bluetooth. Bottom line: the java installer takes responsibility to install the midlet.