react-native-smf-location/android/src/main/res/drawable/bg_city_search.xml

Amap and LocationView

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">
    <solid android:color="#f3f3f3"></solid>
    <corners android:radius="20dp"></corners>
</shape>