Android浮动按钮未设置在固定位置

Question

I am showing the 2 floating buttons in my activity but the floating buttons are setting at bottom end when there is no data to show in the activity. if records are show in the activity then the floating buttons are showing after the records instead of at a fix position

Following is my activity layout

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

<LinearLayout
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/login_background"
    android:orientation="vertical">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="200dp"
        android:layout_gravity="center"
        android:background="@color/login_header"
        android:orientation="vertical">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="5dp"
            android:orientation="horizontal">

            <ImageView
                android:id="@+id/imgInfo"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginStart="5dp"
                android:src="@drawable/info" />

            <ImageView
                android:id="@+id/imgLogout"
                android:layout_width="wrap_content"
                android:layout_height="20dp"
                android:layout_marginStart="290dp"
                android:src="@drawable/logout" />

        </LinearLayout>

        <ImageView
            android:layout_width="100dp"
            android:layout_height="100dp"
            android:layout_gravity="center_horizontal|center_vertical"
            android:layout_marginTop="10dp"
            android:src="@drawable/logo1" />

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:orientation="horizontal"
            android:paddingStart="120dp">

            <ImageView

                android:layout_width="wrap_content"
                android:layout_height="40dp"
                android:layout_gravity="center_horizontal|center_vertical"
                android:background="@color/login_header"
                android:src="@drawable/userprofile" />

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:fontFamily="@font/segoeui"
                android:paddingStart="20dp"
                android:text="@string/name"
                android:textColor="@color/white"
                android:textSize="20sp"
                android:textStyle="bold" />

        </LinearLayout>
    </LinearLayout>

    <LinearLayout
        android:id="@+id/machineLayout"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@color/white"
        android:orientation="vertical">

        <android.support.v7.widget.RecyclerView
            android:id="@+id/recyclerView"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:scrollbars="vertical">

        </android.support.v7.widget.RecyclerView>

    </LinearLayout>
</LinearLayout>

<android.support.design.widget.FloatingActionButton
    android:id="@+id/search"
    android:layout_width="46dp"
    android:layout_height="wrap_content"
    android:layout_alignParentBottom="true"
    android:layout_alignParentEnd="true"
    android:layout_alignParentRight="true"
    android:layout_gravity="bottom|end"
    android:layout_margin="@dimen/fab_margin"
    app:srcCompat="@drawable/search" />

<android.support.design.widget.FloatingActionButton
    android:id="@+id/addNew"
    android:layout_width="46dp"
    android:layout_height="wrap_content"
    android:layout_alignParentBottom="true"
    android:layout_alignParentEnd="true"
    android:layout_alignParentRight="true"
    android:layout_gravity="bottom|end"
    android:layout_margin="@dimen/fab_margin"
    app:srcCompat="@drawable/add" />

Following the screen shot

Answer 1

Try this

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

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="200dp"
            android:layout_gravity="center"
            android:orientation="vertical">

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="5dp"
                android:orientation="horizontal">

                <ImageView
                    android:id="@+id/imgInfo"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginStart="5dp"
                    android:src="@drawable/ic_message" />

                <ImageView
                    android:id="@+id/imgLogout"
                    android:layout_width="wrap_content"
                    android:layout_height="20dp"
                    android:layout_marginStart="290dp"
                    android:src="@drawable/ic_message" />

            </LinearLayout>

            <ImageView
                android:layout_width="100dp"
                android:layout_height="100dp"
                android:layout_gravity="center_horizontal|center_vertical"
                android:layout_marginTop="10dp"
                android:src="@drawable/kid_goku" />

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:orientation="horizontal"
                android:paddingStart="120dp">

                <ImageView
                    android:layout_width="wrap_content"
                    android:layout_height="40dp"
                    android:layout_gravity="center_horizontal|center_vertical"
                    android:src="@drawable/kid_goku" />

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center"
                    android:paddingStart="20dp"
                    android:text="name"
                    android:textColor="@color/white"
                    android:textSize="20sp"
                    android:textStyle="bold" />

            </LinearLayout>
        </LinearLayout>

        <LinearLayout
            android:id="@+id/machineLayout"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:background="@color/white"
            android:orientation="vertical">

            <android.support.v7.widget.RecyclerView
                android:id="@+id/recyclerView"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:scrollbars="vertical">

            </android.support.v7.widget.RecyclerView>


        </LinearLayout>
    </LinearLayout>

    <android.support.design.widget.FloatingActionButton
        android:id="@+id/search"
        android:layout_width="46dp"
        android:layout_height="wrap_content"
        android:layout_above="@+id/addNew"
        android:layout_alignParentEnd="true"
        android:layout_alignParentRight="true"
        android:layout_margin="@dimen/fab_margin"
        app:srcCompat="@drawable/ic_message" />

    <android.support.design.widget.FloatingActionButton
        android:id="@+id/addNew"
        android:layout_width="46dp"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:layout_alignParentEnd="true"
        android:layout_alignParentRight="true"
        android:layout_gravity="bottom|end"
        android:layout_margin="@dimen/fab_margin"
        app:srcCompat="@drawable/ic_message" />
</RelativeLayout>

OUTPUT

Answer 2

Use CoordinatorLayout as root view. And Also add app:layout_anchorGravity="bottom|right|end(specify as you need) " in FloatingActionButton