Resolution for default capitalization of strings in text in controls such as buttons in Android studio

When you're learning Android, adding a button, EditText, and other controls to the XML in Android Studio will always display uppercase text, even if the string you typed is lowercase, and the property that controls string capitalization is Android: Textallcaps,

Finally looked at the Themes.xml file, found some clues, found in the setting style, the default is to put all the string display uppercase true.

is from Android Style.xml,

" Solution "

1. Add a row to the XML in the control you don't want to capitalize

Android:textallcaps= "false"

2. The above method, just for a single control, if you want to be simple, all the controls are not automatically capitalized, you can open the Res folder, locate the Styles.xml file, and then add a line <item name= "Android:textallcaps" >false</item> just fine;

    <!--application theme. -    <stylename= "Apptheme"Parent= "Appbasetheme">        <!--All customizations, that is, specific to a particular api-level can go. -        <Itemname= "Android:textallcaps">False</Item>    </style>

Resolution for default capitalization of strings in text in controls such as buttons in Android studio