application-monitor/android/app/src/main/res/values/styles.xml

My new module

<resources>
  <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
    <item name="android:textColor">@android:color/black</item>
    <item name="android:editTextStyle">@style/ResetEditText</item>
    <item name="android:editTextBackground">@drawable/rn_edit_text_material</item>
  </style>
  <style name="ResetEditText" parent="@android:style/Widget.EditText">
    <item name="android:padding">0dp</item>
    <item name="android:textColorHint">#c8c8c8</item>
    <item name="android:textColor">@android:color/black</item>
  </style>
  <style name="Theme.App.SplashScreen" parent="AppTheme">
    <item name="android:windowBackground">@drawable/splashscreen</item>
  </style>
</resources>