Button setText with Spannable doesn't work for Android 5.0 Lollipop

Question

I have a simple Button:

Answer 1

By default, Material buttons are styled to show text in all-caps. However, there is a bug in the AllCapsTransformationMethod used for capitalization that causes it to discard Spannable data.

You can override the default button styling and disable all-caps by specifying android:textAllCaps="false" on your Button.

<Button
    ...
    android:textAllCaps="false" />