在系统应用程序上设置动作监听器 [英] Setting action listener on system applications

问题描述

如何在系统应用程序上设置动作监听器？

How can I set the action listener on system applications?

我想要的是：启动时在记事本上书写时，我的动作侦听器应该可以检测到它，并且我应该能够查看输入的内容。在键盘记录器中发生的情况也是如此。

What I want is: when I start writing on the notepad, my action listener should detect it and I should be able to view what I had typed. The same that happens in a keylogger.

这只是记事本的情况，但我每次都想这样做

This was just the case of notepad but I want that every time I type something my program should be able to view it.

示例：打开Chrome后，我在命令行中输入了 java 搜索栏。现在，我程序的动作侦听器应该可以检测到我键入的内容。

Example: after opening Chrome, I typed java in the search bar. Now my program's action listener should be able to detect what I typed.

推荐答案

您不能仅在Java中执行此操作。期。您可以尝试JNI，但绝对不能仅使用Java。

You can't do this in Java alone. Period. You may try JNI, but definitely not in Java alone.

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