如何在输入法服务内部的编辑文本和服务之间构建inputConnection

I am writing an IME (InputMethodService) and I have an edit text that in the IME itself, but when I want type text into the edit text , the edit text can't get focused and what I type just go to another edit text outside the IME. how can I make the edit text inside the IME work like normal edit textI am writing an IME (InputMethodService) and I