transparent Actionbar with AppCompat-v7 21

Question

Is there a way to make the ActionBar transparent in Material Design via Appcompat-v7 21? This is not working unfortunately.

  <item name="colorPrimary">@android:color/transparent</item>

Also not the old:

  <style name="Widget.Styled.ActionBar" parent="Widget.AppCompat.Light.ActionBar">
        <item name="android:background">@android:color/transparent</item>
  </style>

score 26 · Accepted Answer · edited Jan 02 '16 at 04:18

26

<!-- Application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.Light">
    <item name="android:actionBarStyle">@style/MyActionBar</item>

    <!-- Support library compatibility -->
    <item name="actionBarStyle">@style/MyActionBar</item>
</style>

<!-- ACTION BAR STYLES -->
<style name="MyActionBar" parent="@style/Widget.AppCompat.ActionBar">
    <item name="android:background">@drawable/actionbar_background</item>
    <item name="android:windowActionBarOverlay">true</item>

    <!-- Support library compatibility -->
    <item name="background">@drawable/actionbar_background</item>
    <item name="windowActionBarOverlay">true</item>
</style>

edited Jan 02 '16 at 04:18

chris

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answered Oct 19 '14 at 16:14

Danial Hussain

2,488
18
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i think you should see https://developer.android.com/training/basics/actionbar/styling.html this one it will tell you how to change action bar color. tick my answer if you got your answer thanks. vote up you got your answer thanks. – Danial Hussain Oct 19 '14 at 18:10
7

Fix: It doesn't work if you have an icon in the actionbar. Move the windowActionBarOverlay styles to AppTheme and it will work for all cases. – Morten Holmgaard Mar 13 '15 at 07:45
@MortenHolmgaard you just saved me an hour or two – Delblanco Aug 19 '15 at 15:02
what is `actionbar_background` please help? – Basheer AL-MOMANI Apr 03 '16 at 15:49

score 24 · Answer 2 · answered Dec 30 '14 at 12:55

Actually, it's quite easy and simple.

Just ensure that you use RelativeLayout to lay Toolbar and the body.
Put the Toolbar in the last.
Put transparent color for android:background attribute of the Toolbar

This is an example of a working code:

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

    <fragment
        android:id="@+id/fragment_editor"
        android:name="ichsan.myapp.HelloFragment"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:layout="@layout/fragment_editor" />

    <android.support.v7.widget.Toolbar
        android:id="@+id/my_toolbar"
        android:layout_height="wrap_content"
        android:layout_width="match_parent"
        android:minHeight="?attr/actionBarSize"
        android:background="#10000000"
        app:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
        app:popupTheme="@style/ThemeOverlay.AppCompat.Light"/>

</RelativeLayout>

Hope it answers the question.

Nice. Was working on this for a while before finding your post. — Lars, May 04 '15 at 20:27
Has anyone come up with a clean solution on how to swap between an overlaid Toolbar and a top-anchored Toolbar depending on which Fragment is showing within the Activity? — Ryan, Jul 28 '15 at 20:46
although this does work, but the `android.support.design.widget.AppBarLayout` must be removed. And since it removed the original collapsed toolbar will remain on screen. — Robert, Oct 27 '15 at 03:55
could you please tell how to implement the above layout in an Activity (not FragmentActivity) with "fragment_editor" in **tools:layout="@layout/fragment_editor"** as a recyleview? — OnePunchMan, Jan 20 '16 at 11:12

score 1 · Answer 3 · answered Dec 09 '15 at 05:50

Step:

1. put below style into v21\styles.xml

<style name="TransperantToolbar" parent="@style/ThemeOverlay.AppCompat.Dark.ActionBar">
    <item name="android:windowActionBarOverlay">true</item>
    <item name="windowActionBarOverlay">true</item>
</style>

2. Your toolbar xml code

<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:theme="@style/TransperantToolbar"/>

score 0 · Answer 4 · answered Jan 11 '16 at 14:33

None of the above did the trick for me (or at least not by themselves) using appcompat v7 23 and a CoordinatorLayout, which is most likely the culprit. If you are going that route, then you probably have a main activity layout that looks like

<?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"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/main_content"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.farmdog.farmdog.MainActivity">

    <android.support.v4.view.ViewPager
        android:id="@+id/container"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
                 app:layout_anchor="@+id/appbar"
                 app:layout_anchorGravity="top"
        app:layout_behavior="@string/appbar_scrolling_view_behavior"/>

    <android.support.design.widget.AppBarLayout
        android:id="@+id/appbar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
        <!--android:theme="@style/AppTheme.AppBarOverlay">-->
     ...

Notice the two layout anchor lines above - those did it for me.

transparent Actionbar with AppCompat-v7 21

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