android EditText hint does not appear

Question

It seems to be the most weird thing that I've ever come across.

Here is a layout:

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >

<EditText        
    android:id="@+id/GuessAppEditText"
    android:lines="1"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_alignParentBottom="true"
    android:gravity="center_horizontal"        
    android:inputType="textCapWords"
    android:hint="@string/Hint" />

</RelativeLayout>

The hint of EditText is not shown.

If I remove either android:gravity="center_horizontal" or android:inputType="textCapWords", hint becomes visible.

I have absolutely no idea what has gravity and textCapWords to do with hint. Is it another Android bug or am I doing something wrong? In the former case, what would be a workaround? I want my text to be center-aligned and capitalized and hint to be shown. Or I want too much from poor Android?

Answer 1

it's 2021 and this still seems to be an issue, so for anyone running trying to use an EditText and not seeing the hint in the designer you can add tools:background="@android:color/transparent" or assign any color to the background and the hint will appear.