使用 Java 为诺基亚 n73 开发应用程序?

发布于 2024-07-10 19:03:25 字数 195 浏览 8 评论 0原文

我试图找出是否可以开发一个按键捕获应用程序来分析使用 n73 的 SMS 编辑器(使用 Java 中的 S60 第二版、Feature Pack 3 SDK)时的书写风格? 最初,我认为所有 Java 应用程序都会被沙箱化,从而很难调用 symbian 可用的本机按键捕获函数,但没有人能为我澄清这一点。 它有任何道理吗?

谢谢

I'm trying to find out if it's possible to develop a key capturing application to analyse writing styles when using the SMS composer for the n73 using S60 2nd Edition, Feature Pack 3 SDK in Java? Originally, I thought that all Java applications would be sand-boxed making it difficult to call the native key capture functions available to symbian, but nobody has been able to clarify this for me. Does it hold any truth?

Thanks,

A

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童话 2024-07-17 19:03:25

我以用户的身份来说说:
Opera Mini(基于java的应用程序)能够读取和写入用户数据(手机内存和存储卡)。

我还看到过基于 Java 的应用程序可以访问手机摄像头等硬件,也看到过调用系统 API(例如振动或声音通知)的应用程序。

但是,我不知道他们是如何实现这些事情的。

注1:诺基亚 N73 基于 S60 第 3 版而非第 2 版。

注2:在某些情况下(例如访问用户数据),需要用户授权,除非应用程序使用证书签名。

I'll be talking as a user:
Opera Mini (a java-based application) is able to read and write user data (phone memory and memory card).

And I've also seen java-based applications that access hardware such as the phone's camera, and seen apps that call system APIs such as vibration or sound notifications.

However, I don't know how they implemented those things.

Note1: Nokia N73 is based on S60 3rd edition not 2nd edition.

Note2: In some cases (such as accessing user data), user authorization is required, unless the application is signed using a certificate.

动次打次papapa 2024-07-17 19:03:25

注:这个答案来自我的朋友,他对这些事情了解得更多。


正如这个 J2ME 常见问题解答 指出,

我可以访问手机的 j2me 吗?
(内存、电话簿、收件箱,
图片...) ?
一般不会,这是
被认为存在安全风险,并且大多数
厂家不允许。 然而,
只有极少数人这样做,所以检查一下
他们的开发者网站。

所以那就不会了。 无论如何,MIDP 库中没有直接的方法来访问该数据。 不过,如果你幸运的话,这是可能的,但不要指望它。 据Sun 称,这在MIDP3 中也是可能的。

Note: This answer comes from my friend who knows a lot more about these things.


As this J2ME FAQ states,

Can I access the phone's j2me?
(memory, phone book, inbox,
pictures...) ?
Generally no, this is
considered a security risk and most
manufacturers don't allow it. However,
a very small minority do, so check out
their developer's site.

So that'd be no. There's no direct way in MIDP libraries to access that data anyway. It may however be possible if you're lucky, but don't count on it. Also according to Sun this may be possible in MIDP3.

你是年少的欢喜 2024-07-17 19:03:25

我刚刚开始使用我的诺基亚 6300 和 J2ME。 这款手机支持 MIDP2 和 J2ME,但与 N73 不同 - 它是 Series 40,并且不使用 symbian 作为操作系统。

我想要编写的应用程序之一需要使用电话簿,据我所知,使用 PIM API (JSR-75) 可以实现这一点。

AFAIK 实际上您可以在 Symbian 下使用 C++ 访问 SMS 消息。 尝试 此链接

I've just started hacking about with my Nokia 6300 and J2ME. This phone supports MIDP2 and J2ME, but unlike the N73 - it's Series 40, and doesn't use symbian for it's operating system.

One of the applications that I want to write, needs to make use of the phone book and as far as I'm aware this is possible using the PIM API (JSR-75).

AFAIK you can actually access SMS messages using C++ under Symbian. Try this link

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