react-native-umshare/android/src/main/res/drawable/umeng_socialize_btn_bg.xml

友盟分享和第三方登录

<?xml version="1.0" encoding="utf-8"?>
<shape android:shape="rectangle"
    xmlns:android="http://schemas.android.com/apk/res/android">
    <solid android:color="@android:color/transparent" />
    <stroke android:width="1dp"
        android:color="#ffffff"

        />


</shape>