Feature: restore uncompleted input on screen rotation

[alexcustos]

No description provided.

[mgod]

I like this improvement, but you should use the getSpans method on the characters to figure out where the incomplete input is rather than use a sentinel.

[alexcustos]

I have been trying it at the first place, but it looks like onRestoreInstanceState restores the plain String, there are no Spans in it. I dug into it a bit more, the TokenCompleteTextView.SavedState is not involved in save/restore process at all, so it maybe a point.

[mgod]

I guess I was thinking to try to fins the uncompleted text during the save process where you should still have the spans available.

[alexcustos]

Good idea I will try to implement it... may be at weekends.

[saurabh0802chd]

@alexcustos @mgod Any plans to merge this PR?

[mgod]

Not at the moment. The general approach here is pretty good, but we probably need to move to the opposite check - instead of adding sentinels to keep track of regular text, we probably need to keep track of text ranges for each token and manually re-attach the token spans during restore instead of using the normal add token calls. The current implementation hard-codes a particular tokenizer implementation and also my original code using addObject to restore tokens to the view has some unwanted side effects (#415, for example).