android - 如何正确设置 float 操作按钮？

我有个问题。我用这个图书馆来做滑板。点击here。我添加了它，然后我试图使浮动动作按钮在谷歌地图应用程序（如图）。
但下面是我的结果。如何正确设置（使滑动面板托盘顶部可能是）如第一张图所示。
fragment_1.xml（查看滑动布局部分）

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">


    <com.sothree.slidinguppanel.SlidingUpPanelLayout
        xmlns:sothree="http://schemas.android.com/apk/res-auto"
        android:id="@+id/sliding_layout"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="bottom"
        sothree:umanoPanelHeight="56dp"
        sothree:umanoShadowHeight="4dp"
        sothree:umanoParalaxOffset="50dp"
        sothree:umanoDragView="@+id/dragView"
        xmlns:fab="http://schemas.android.com/apk/res-auto">

        <!-- MAIN CONTENT -->
        <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical"
            android:weightSum="100">

        </LinearLayout>


        <!-- SLIDING LAYOUT -->
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="390dp"
            android:background="@android:color/transparent"
            android:orientation="vertical"
            android:clickable="true"
            android:focusable="false"
            sothree:umanoOverlay="true"
            android:layout_below="@+id/main_content">

            <!-—TOP OF PANEL -->
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="56dp"
                android:orientation="horizontal"
                android:background="#03A9F4"
                android:id="@+id/dragView">


                <TextView
                    android:id="@+id/name"
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:textSize="14sp"
                    android:gravity="center_vertical"
                    android:paddingLeft="10dp"
                    android:textColor="@android:color/white"/>

                <Button
                    android:id="@+id/follow"
                    android:layout_width="wrap_content"
                    android:layout_height="match_parent"
                    android:textSize="14sp"
                    android:gravity="center_vertical|right"
                    android:paddingRight="10dp"
                    android:paddingLeft="10dp"/>

                <com.melnykov.fab.FloatingActionButton
                    android:id="@+id/fab"
                    sothree:fab_type="normal"
                    android:layout_marginBottom="25dp"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_gravity="bottom|right|center"
                    android:tint="@android:color/white"
                    android:src="@android:drawable/ic_dialog_map"
                    fab:fab_colorNormal="@color/fab_primary"
                    fab:fab_colorPressed="@color/fab_pressed"
                    fab:fab_colorRipple="@color/fab_ripple"/>

            </LinearLayout>
        </LinearLayout>
    </com.sothree.slidinguppanel.SlidingUpPanelLayout>
</RelativeLayout>

谢谢你的帮助！

最佳答案

将<com.melnykov.fab.FloatingActionButton/>置于<com.sothree.slidinguppanel.SlidingUpPanelLayout/>之外，不要忘记使用margintop和marginleft来定位它：

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:sothree="http://schemas.android.com/apk/res-auto"
    xmlns:fab="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent">


    <com.sothree.slidinguppanel.SlidingUpPanelLayout
        xmlns:sothree="http://schemas.android.com/apk/res-auto"
        android:id="@+id/sliding_layout"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="bottom"
        sothree:umanoPanelHeight="56dp"
        sothree:umanoShadowHeight="4dp"
        sothree:umanoParalaxOffset="50dp"
        sothree:umanoDragView="@+id/dragView"
        xmlns:fab="http://schemas.android.com/apk/res-auto">

        <!-- MAIN CONTENT -->
        <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical"
            android:weightSum="100">

        </LinearLayout>


        <!-- SLIDING LAYOUT -->
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="390dp"
            android:background="@android:color/transparent"
            android:orientation="vertical"
            android:clickable="true"
            android:focusable="false"
            sothree:umanoOverlay="true"
            android:layout_below="@+id/main_content">

            <!--—TOP OF PANEL -->
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="56dp"
                android:orientation="horizontal"
                android:background="#03A9F4"
                android:id="@+id/dragView">


                <TextView
                    android:id="@+id/name"
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:textSize="14sp"
                    android:gravity="center_vertical"
                    android:paddingLeft="10dp"
                    android:textColor="@android:color/white"/>

                <Button
                    android:id="@+id/follow"
                    android:layout_width="wrap_content"
                    android:layout_height="match_parent"
                    android:textSize="14sp"
                    android:gravity="center_vertical|right"
                    android:paddingRight="10dp"
                    android:paddingLeft="10dp"/>



            </LinearLayout>
        </LinearLayout>
    </com.sothree.slidinguppanel.SlidingUpPanelLayout>
    <com.melnykov.fab.FloatingActionButton
        android:id="@+id/fab"
        sothree:fab_type="normal"
        android:layout_marginBottom="25dp"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="bottom|right|center"
        android:tint="@android:color/white"
        android:src="@android:drawable/ic_dialog_map"
        android:layout_marginLeft="300dp"
        android:layout_marginTop="200dp"
        fab:fab_colorNormal="@color/fab_primary"
        fab:fab_colorPressed="@color/fab_pressed"
        fab:fab_colorRipple="@color/fab_ripple"/>
</RelativeLayout>