Fix chips library bugs related to setting the threshold to 1.

- Dropdown not being dismissed after having at least one chip and typing a character and deleting it.
- Selecting a chip, deleting it by pressing backspace, and entering another character brings the deleted chip back.

TESTED=chips on bigtop app

Change-Id: I09233ffa7dfe1f64ae9efe4a392fa84b64b8b10a

1 files changed, 3 insertions, 0 deletions

diff --git a/chips/src/com/android/ex/chips/RecipientEditTextView.java b/chips/src/com/android/ex/chips/RecipientEditTextView.java
index c2d68d2..448de5a 100644
--- a/chips/src/com/android/ex/chips/RecipientEditTextView.java
+++ b/chips/src/com/android/ex/chips/RecipientEditTextView.java
@@ -1431,9 +1431,11 @@ public class RecipientEditTextView extends MultiAutoCompleteTextView implements
             Spannable span = getSpannable();
             DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class);
             if (chips != null && chips.length > 0) {
+                dismissDropDown();
                 return;
             }
         } else if (isCompletedToken) {
+            dismissDropDown();
             return;
         }
         super.performFiltering(text, keyCode);
@@ -2293,6 +2295,7 @@ public class RecipientEditTextView extends MultiAutoCompleteTextView implements
                 if (mMoreChip != null) {
                     spannable.removeSpan(mMoreChip);
                 }
+                clearSelectedChip();
                 return;
             }
             // Get whether there are any recipients pending addition to the