Reliable way to know when android soft keyboard resigns (callback that works on every phone)

Since it seems that you are catching the KEYCODE_ENTER event, you might be able to use this: http://developer.android.com/reference/android/widget/TextView.html#setOnEditorActionListener%28android.widget.TextView.OnEditorActionListener%29. In theory this will let you detect whatever the input method end action is (whether its back, done, enter, or whatever) and respond to it.

Let me know if that works for you.

Wouldn't you also need to perform those calculations when the user is leaving the TextView on a hardware keyboard? I wouldn't focus on the keyboard, but on the TextView itself. If so, what you probably want is setTransformationMethod

You'd have to implement a custom TransformationMethod, specifically the method getTransformation, which transforms a source CharSequence into another one. You can then use the onFocusChanged to apply this only when the focus is lost for that TextView.

I found a solution on this SO page:Intercept back button from soft keyboard

The answer from mhradek has 0 votes but it seems to be working.

The idea is to extend the base layout of your activity so that you can override the dispatchKeyEventPreIme method and do what you want regarding the KeyEvent passed. Note that you are responsible for managing the soft keyboard.

I am using it and I can definitely intercept key strokes (the back button for example) without the soft keyboard "eating" them. I have yet to play more with it in order to see what is possible and what is not.

I hope it helps.