react-native-smtp-mailer/example/android/app/src/main/res/values/styles.xml

Send emails by connecting to smtp server+attachments, using android javamail and ios mailcore2

<resources>

    <!-- Base application theme. -->
    <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
        <!-- Customize your theme here. -->
    </style>

</resources>