what is framelayout in android code example

Example 1: react is there a safe area view for android

import { StyleSheet, Platform } from 'react-native';
export default StyleSheet.create({
    droidSafeArea: {
        flex: 1,
        backgroundColor: npLBlue,
        paddingTop: Platform.OS === 'android' ? 25 : 0
    },
});

Example 2: code to include layout from java in android

<ViewStub
    android:id="@+id/layout_stub"
    android:inflatedId="@+id/message_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_weight="0.75" />