TextInputLayout.BoxBackgroundMode Values for box background mode. 
TextInputLayout.EndIconMode Values for the end icon mode. 


TextInputLayout.OnEditTextAttachedListener Callback interface invoked when the view's EditText is attached, or from addOnEditTextAttachedListener(OnEditTextAttachedListener) if the edit text is already present. 
TextInputLayout.OnEndIconChangedListener Callback interface invoked when the view's end icon changes. 


TextInputEditText A special sub-class of EditText designed for use as a child of TextInputLayout
TextInputLayout Layout which wraps a TextInputEditText, EditText, or descendant to show a floating label when the hint is hidden while the user inputs text. 
TextInputLayout.AccessibilityDelegate An AccessibilityDelegate intended to be set on an EditText or TextInputEditText with {@link TextInputLayout#setTextInputAccessibilityDelegate(TextInputLayout.AccessibilityDelegate) to provide attributes for accessibility that are managed by {@link TextInputLayout}.