Add a null check in an AutoCompleteTextView callback to prevent a crash.

It looks like the drop down list had already been taken down before the
callback fired so it caused a null pointer exception.  In this case just
do nothing instead.

Bug 1927858

parent d09f86ce

core/java/android/widget/AutoCompleteTextView.java

+5 −1

Original line number	Diff line number	Diff line
		@@ -1202,7 +1202,11 @@ public class AutoCompleteTextView extends EditText implements Filter.FilterListe
		int position, long id) {

		if (position != -1) {
		mDropDownList.mListSelectionHidden = false;
		DropDownListView dropDownList = mDropDownList;

		if (dropDownList != null) {
		dropDownList.mListSelectionHidden = false;
		}
		}
		}