Auto append password hint for TextView

Some TextViews are made as password via input type but does not
contain autofill password hint. This change auto append a hint
for autofill to identify.

Bug: 219844915
Test: atest android.autofillservice.cts.dialog.LoginActivityTest
Change-Id: Ifd18c56ffe788a601821d178ace41413f9e0454e

1 files changed, 12 insertions, 0 deletions

diff --git a/core/java/android/widget/TextView.java b/core/java/android/widget/TextView.java
index f9c964158e2e..572d97740187 100644
--- a/core/java/android/widget/TextView.java
+++ b/core/java/android/widget/TextView.java
@@ -6974,6 +6974,18 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
         mEditor.mInputType = type;
     }
 
+    @Override
+    public String[] getAutofillHints() {
+        String[] hints = super.getAutofillHints();
+        if (isAnyPasswordInputType()) {
+            if (!ArrayUtils.contains(hints, AUTOFILL_HINT_PASSWORD_AUTO)) {
+                hints = ArrayUtils.appendElement(String.class, hints,
+                        AUTOFILL_HINT_PASSWORD_AUTO);
+            }
+        }
+        return hints;
+    }
+
     /**
      * @return {@code null} if the key listener should use pre-O (locale-independent). Otherwise
      *         a {@code Locale} object that can be used to customize key various listeners.