否.所有应用程序都在沙盒中运行，因此您无法在它们之间进行通信.即使从技术上来讲您也可以将其视为不良做法.

No. All apps run in a sandbox so that you can't communicate between them. And even if you technically could it would be considered bad practice.

为什么需要关闭其他应用程序?我想不出有必要使用任何有效的用例.

Why do you need to close other apps? I can't think of any valid use case where that would be necessary.