QingDaoSmartWell / app / src / main / res / drawable / bg_toast_layout.xml

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">

    <corners android:radius="5dp" />
    <solid android:color="@color/toastBlack" />
</shape>