将floaitngActionButton放置在另一个（Android XML）旁边

Question

Example

你好。我将大FloatingAcitonButton放在中间，我想将其他2个浮动按钮放置在中间Fab旁边（示例图片中的红色矩形）。我可以使用什么选项来实现此目的？

Answer 1

layout.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <RelativeLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_alignParentBottom="true"
    android:padding="20dp">

    <com.google.android.material.floatingactionbutton.FloatingActionButton
    android:id="@+id/floatingActionButton3"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignParentStart="true"
    android:layout_centerVertical="true"
    android:clickable="true"
    app:fabSize="mini" />

    <TextView
    android:layout_width="25dp"
    android:layout_height="25dp"
    android:layout_alignRight="@id/floatingActionButton3"
    android:layout_marginRight="-8dp"
    android:background="@drawable/circle"
    android:elevation="10dp"
    android:text="2"
    android:textAlignment="center"
    android:textColor="#fff"
    android:textSize="16sp" />

    <com.google.android.material.floatingactionbutton.FloatingActionButton
    android:id="@+id/floatingActionButton2"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_centerHorizontal="true"
    android:clickable="true"
    app:fabSize="auto" />

    <com.google.android.material.floatingactionbutton.FloatingActionButton
    android:id="@+id/floatingActionButton"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignParentRight="true"
    android:layout_centerVertical="true"
    android:clickable="true"
    app:fabSize="mini" />

    <TextView
    android:layout_width="25dp"
    android:layout_height="25dp"
    android:layout_alignRight="@id/floatingActionButton"
    android:layout_marginRight="-8dp"
    android:background="@drawable/circle"
    android:elevation="10dp"
    android:text="3"
    android:textAlignment="center"
    android:textColor="#fff"
    android:textSize="16sp" />
    </RelativeLayout>
</RelativeLayout>

@ drawable / circle.xml

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

        <solid android:color="@color/colorRedDark" />

</shape>