[android-developers] OnKeyListener not working on virtual keyboard

I don't understand why this peace of code is not working. OnlyDelete
and Return keys are detected. Listener doesn't fire for any other key.
My device is Nexus One.

I tried to override activity's OnKeyDown method and that's even worse.
The only detected button was hardware back button.

I am seeing around a suggestion to use TextWatcher and onTextChanged,
while that might work in some cases, it's not a real work around. For
example, if textbox is empty, you won't detect if user press Delete
key.
So any ideas?

Here is my code:

TextView txtInput = (TextView)findViewById(R.id.txtInput);
txtInput.setOnKeyListener(new View.OnKeyListener() {

@Override
public boolean onKey(View v, int keyCode, KeyEvent event) {
makeToast(keyCode + " key pressed");
return true;
}
});

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