Floating Toolbar with Appcompat - toolbar

Question

How to create a floating toolbar like the following image as proposed in the material design guidelines and in the Google Map application.

Answer 1

I've worked with the Toolbar before and all the comments from CommonsWare are absolutely correct.
The Toolbar widget (https://developer.android.com/reference/android/support/v7/widget/Toolbar.html) have absolutely nothing special or different than any other Viewgroup and does not behave differently than any other ViewGroup.
Put it inside a FrameLayout, put a layout_margin parameter on it, make the layout_width NOT match_parent and that's it.
Put it inside an LinearLayout with orientation=horizontal and you can use the layout_weight to control the size in percentage. Or just use plain dip if that suits your needs.

Answer 2

Since you are following the Material Design concept I am assuming your are using Coordinator Layout as your Main Layout and Not Frame Layout.
Before anything else we need to declare the important dependencies.
dependencies {
compile 'com.android.support:design:22.2.1'
compile 'com.android.support:cardview-v7:22.2.1'
}
Expected/Similar Output
XML snippet
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout 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"
android:fitsSystemWindows="true">
<FrameLayout
android:id="#+id/frmlyout_locationnote_mapholder"
android:layout_width="match_parent"
android:layout_height="match_parent">
<!-- You can add your Map here-->
<ImageView
android:id="#+id/imgvw_locationnote_background"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
android:scaleType="centerCrop" />
</FrameLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="16dp">
<android.support.v7.widget.CardView
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.v7.widget.Toolbar
android:id="#+id/tlbr_locationnote_mainmenu"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:layout_collapseMode="pin" />
</android.support.v7.widget.CardView>
</LinearLayout>
<android.support.design.widget.FloatingActionButton
android:id="#+id/fab_locationnote_fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="#dimen/fab_margin"
android:src="#drawable/ic_plus_white_24dp"
app:layout_anchor="#id/frmlyout_locationnote_mapholder"
app:layout_anchorGravity="bottom|right" />
</android.support.design.widget.CoordinatorLayout>

Answer 3

I think Mark's suggestion for picking up the CardView "look" in the comment above deserves this derivative answer:
Just put a Toolbar in a CardView:
<android.support.v7.widget.CardView
android:id="#+id/map_toolbar_container"
android:layout_width="#dimen/whatever_you_want"
android:layout_height="wrap_content"
android:layout_margin="8dp"
app:cardElevation="8dp"
app:cardBackgroundColor="#324">
<android.support.v7.widget.Toolbar
android:id="#+id/wld_toolbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="?attr/colorPrimary"
android:minHeight="?attr/actionBarSize"/>
</android.support.v7.widget.CardView>

Answer 4

Just Add the following code....
<android.support.v7.widget.Toolbar
android:layout_width="match_parent"
android:layout_height="?android:attr/actionBarSize"
android:id="#+id/toolbar"
android:background="#color/colorPrimary"
android:elevation="8dp"
android:layout_margin="5dp"
>
//add whatever elements you want to add in here.
</android.support.v7.widget.Toolbar>

Answer 5

<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
**android:layout_margin="10dp"
android:elevation="5dp"**
/>

Answer 6

Here is the code for the floating toolbar, just copy and paste.
This is an example of a floating toolbar using Appcompat, It can be working under many layouts like Relative, Coordinator, or DrawerLayout. You can increase elevation to make it more effective.
floating toolbar with Edit text or Search box
<LinearLayout
android:background="#color/colorWhite"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="16dp">
<androidx.appcompat.widget.Toolbar
android:background="#drawable/floating_toolbar"
android:id="#+id/app_toolbar"
android:elevation="2dp"
android:layout_width="match_parent"
android:layout_height="50dp">
<EditText
android:gravity="start"
android:id="#+id/search_bar"
android:background="#drawable/edit_text_no_border"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="Search here.." />
</androidx.appcompat.widget.Toolbar>
</LinearLayout>
drawable/floating_toolbar.xml file for set background shadows.
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item>
<shape
android:shape="rectangle">
<solid android:color="#6FA5A5A5" />
<corners android:radius="6dp"/>
</shape>
</item>
<item android:top="1dp" android:right="1dp" android:left="1dp" android:bottom="1dp">
<shape
android:shape="rectangle">
<solid android:color="#color/colorWhite"/>
<corners android:radius="5dp"/>
</shape>
</item>
</layer-list>
drawable/edit_text_no_border.xml file for EditText without an outline box or bottom border to make it clean matching background.
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<solid android:color="#ffffff"/>
<corners android:radius="0px"/>
<stroke android:width="0dp" android:color="#FFFFFF"/>
</shape>
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