<Button
    android:id="@+id/button01"
    android:text="button"
    android:layout_width="match_parent"
    android:layout_height="0dp"
    android:layout_weight="1"
    android:textStyle="bold"
    android:background="@color/colorButton"
    android:textColor="@android:color/white"
    android:layout_margin="5dp"/>

</LinearLayout>

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


    <android.support.v7.widget.Toolbar
        android:id="@+id/toolbar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="?attr/colorPrimary"
        android:minHeight="?attr/actionBarSize"
        app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
        android:theme="@style/ThemeOverlay.AppCompat.Dark"
        app:titleTextColor="@android:color/white"
        app:contentInsetStartWithNavigation="0dp">
    </android.support.v7.widget.Toolbar>


    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical"
        android:weightSum="12">

    <TextView
        android:text="Price:"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:gravity="center|bottom"
        android:textStyle="bold"
        android:textColor="@color/colorPrimary"
        android:paddingLeft="2dp"
        android:layout_margin="5dp"/>

    <org.florescu.android.rangeseekbar.RangeSeekBar
        android:id="@+id/range_seekbar"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="3"
        android:layout_gravity="center_vertical"
        app:showLabels="false"
        app:textAboveThumbsColor="@color/colorPrimary"
        app:barHeight="5dp"
        app:defaultColor="@color/colorPrimary"
        app:activeColor="@color/colorButton"
        android:layout_margin="5dp"/>

    <TextView
        android:text="block"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:gravity="center|bottom"
        android:textStyle="bold"
        android:textColor="@color/colorPrimary"
        android:paddingLeft="2dp"
        android:layout_margin="5dp"/>

    <TextView
        android:text="floor"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:gravity="center|bottom"
        android:textStyle="bold"
        android:textColor="@color/colorPrimary"
        android:paddingLeft="2dp"
        android:layout_margin="5dp"/>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="5">

    </LinearLayout>

    <Button
        android:id="@+id/button01"
        android:text="button"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:textStyle="bold"
        android:background="@color/colorButton"
        android:textColor="@android:color/white"
        android:layout_margin="5dp"/>

    </LinearLayout>

</LinearLayout>

<org.florescu.android.rangeseekbar.RangeSeekBar
            android:id="@+id/range_seekbar"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            app:showLabels="false"
            app:textAboveThumbsColor="@color/colorPrimary"
        app:defaultColor="@color/colorPrimary"
        app:activeColor="@color/colorButton"
        android:layout_margin="5dp" />

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


<android.support.v7.widget.Toolbar
    android:id="@+id/toolbar"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="?attr/colorPrimary"
    android:minHeight="?attr/actionBarSize"
    app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
    android:theme="@style/ThemeOverlay.AppCompat.Dark"
    app:titleTextColor="@android:color/white"
    app:contentInsetStartWithNavigation="0dp">
</android.support.v7.widget.Toolbar>


<LinearLayout
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:weightSum="12">

    <TextView
        android:text="Price:"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        **android:layout_weight="1"**
        android:gravity="center|bottom"
        android:textStyle="bold"
        android:textColor="@color/colorPrimary"
        android:paddingLeft="2dp"
        android:layout_margin="5dp"/>

    <org.florescu.android.rangeseekbar.RangeSeekBar
        android:id="@+id/range_seekbar"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        **android:layout_weight="3"**
        android:layout_gravity="center_vertical"
        app:showLabels="false"
        app:textAboveThumbsColor="@color/colorPrimary"
        app:barHeight="5dp"
        app:defaultColor="@color/colorPrimary"
        app:activeColor="@color/colorButton"
        android:layout_margin="5dp"/>

    <TextView
        android:text="block"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        **android:layout_weight="1"**
        android:gravity="center|bottom"
        android:textStyle="bold"
        android:textColor="@color/colorPrimary"
        android:paddingLeft="2dp"
        android:layout_margin="5dp"/>

    <TextView
        android:text="floor"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        **android:layout_weight="1"**
        android:gravity="center|bottom"
        android:textStyle="bold"
        android:textColor="@color/colorPrimary"
        android:paddingLeft="2dp"
        android:layout_margin="5dp"/>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="0dp"
        **android:layout_weight="5"**>

    </LinearLayout>

    <Button
        android:id="@+id/button01"
        android:text="button"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        **android:layout_weight="1"**
        android:textStyle="bold"
        android:textColor="@android:color/white"
        />

  </LinearLayout>

</LinearLayout>

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

            <android.support.v7.widget.Toolbar
                android:id="@+id/toolbar"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:background="?attr/colorPrimary"
                android:minHeight="?attr/actionBarSize"
                app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
                android:theme="@style/ThemeOverlay.AppCompat.Dark"
                app:titleTextColor="@android:color/white"
                app:contentInsetStartWithNavigation="0dp">
            </android.support.v7.widget.Toolbar>


                <TextView
                    android:text="Price:"
                    android:layout_width="match_parent"
                    android:layout_height="0dp"
                    android:layout_weight="1"
                    android:gravity="center|bottom"
                    android:textStyle="bold"
                    android:textColor="@color/colorPrimary"
                    android:paddingLeft="2dp"
                    android:layout_margin="5dp"/>

                <org.florescu.android.rangeseekbar.RangeSeekBar
                    android:id="@+id/range_seekbar"
                    android:layout_width="match_parent"
                    android:layout_height="0dp"
                    android:layout_weight="3"
                    android:layout_gravity="center_vertical"
                    app:showLabels="false"
                    app:textAboveThumbsColor="@color/colorPrimary"
                    app:barHeight="5dp"
                    app:defaultColor="@color/colorPrimary"
                    app:activeColor="@color/colorButton"
                    android:layout_margin="5dp"/>

                <TextView
                    android:text="block"
                    android:layout_width="match_parent"
                    android:layout_height="0dp"
                    android:layout_weight="1"
                    android:gravity="center|bottom"
                    android:textStyle="bold"
                    android:textColor="@color/colorPrimary"
                    android:paddingLeft="2dp"
                    android:layout_margin="5dp"/>

                <TextView
                    android:text="floor"
                    android:layout_width="match_parent"
                    android:layout_height="0dp"
                    android:layout_weight="1"
                    android:gravity="center|bottom"
                    android:textStyle="bold"
                    android:textColor="@color/colorPrimary"
                    android:paddingLeft="2dp"
                    android:layout_margin="5dp"/>

                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="0dp"
                    android:layout_weight="5">



                <Button
                    android:id="@+id/button01"
                    android:text="button"
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:textStyle="bold"
                    android:background="@color/colorButton"
                    android:textColor="@android:color/white"
                    android:layout_margin="5dp"/>
                </LinearLayout>

        </LinearLayout>

android:weightSum="12"

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


    <android.support.v7.widget.Toolbar
        android:id="@+id/toolbar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="?attr/colorPrimary"
        android:minHeight="?attr/actionBarSize"
        app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
        android:theme="@style/ThemeOverlay.AppCompat.Dark"
        app:titleTextColor="@android:color/white"
        app:contentInsetStartWithNavigation="0dp">
    </android.support.v7.widget.Toolbar>


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

        <TextView
            android:text="Price:"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"

            android:gravity="center|bottom"
            android:textStyle="bold"
            android:textColor="@color/colorPrimary"
            android:paddingLeft="2dp"
            android:layout_margin="5dp"/>


        <TextView
            android:text="block"
            android:layout_width="match_parent"

            android:layout_height="wrap_content"
            android:gravity="center|bottom"
            android:textStyle="bold"
            android:textColor="@color/colorPrimary"
            android:paddingLeft="2dp"
            android:layout_margin="5dp"/>

        <TextView
            android:text="floor"
            android:layout_width="match_parent"

            android:layout_height="wrap_content"
            android:gravity="center|bottom"
            android:textStyle="bold"
            android:textColor="@color/colorPrimary"
            android:paddingLeft="2dp"
            android:layout_margin="5dp"/>

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="5">


        <Button
            android:id="@+id/button01"
            android:text="button"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:textStyle="bold"
            android:layout_gravity="bottom"
            android:textColor="@android:color/white"
            />

    </LinearLayout>

</LinearLayout>

android:gravity="bottom"

<Button
    android:id="@+id/button01"
    android:text="button"
    android:layout_width="match_parent"
    android:layout_height="0dp"
    android:layout_weight="1"
    android:textStyle="bold"
    **android:gravity="bottom"**
    android:background="@color/colorButton"
    android:textColor="@android:color/white"
    android:layout_margin="5dp"/>