ActionBar background image

Question

I've inherited the Holo Light Theme and customized the background of the ActionBar with the following:

Content of styles.xml

<?xml version="1.0" encoding="utf-8"?> <resources> <style name="ActionBar" parent="@android:style/Widget.Holo.ActionBar"> <item name="android:background">@drawable/actionbar_background</item> </style> <style name="MyTheme" parent="@android:style/Theme.Holo.Light"> <item name="android:actionBarStyle">@style/ActionBar</item> </style> </resources>

Content of actionbar_background.xml

<?xml version="1.0" encoding="utf-8"?> <bitmap xmlns:android="http://schemas.android.com/apk/res/android" android:src="@raw/actionbar_background" android:tileMode="repeat" />

Instead of being repeated, the image is stretched, any idea of why android:tileMode="repeat" is not applied?

Thanks in advance

Himanshu · Accepted Answer · 2012-12-07 07:56:41Z

44

Drawable d=getResources().getDrawable(R.drawable.background_image_name); getActionBar().setBackgroundDrawable(d);

The above code sets the background image for the action bar.
Hope it helps.

edited Dec 7, 2012 at 7:56

Himanshu

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answered Dec 7, 2012 at 7:40

Raj Trivedi

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1 Comment

prabu Over a year ago

but why its not supporting below version like 2.2, 2.3.3, and so on

Vinay W · Accepted Answer · 2014-06-04 10:42:39Z

43

Ok, thanks to Romain Guy on #android-dev IRC channel, it's a known bug on honeycomb / Android 3.0 which will be fixed on the next release. Since then, the only solution is do it from code, and it works :-)

 final ActionBar actionBar = getActionBar(); BitmapDrawable background = new BitmapDrawable (BitmapFactory.decodeResource(getResources(), R.raw.actionbar_background)); background.setTileModeX(android.graphics.Shader.TileMode.REPEAT); actionBar.setBackgroundDrawable(background);

edited Jun 4, 2014 at 10:42

Vinay W

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answered May 3, 2011 at 6:12

rnoway

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5 Comments

Alex Over a year ago

May i ask how you did it from code? How to set to be tileMode repeat? I always got null when try to get the action bar

rnoway Over a year ago

I've done it like this: final ActionBar actionBar = getActionBar(); BitmapDrawable background = new BitmapDrawable(BitmapFactory.decodeResource(getResources(), R.raw.actionbar_background)); background.setTileModeX(android.graphics.Shader.TileMode.REPEAT); actionBar.setBackgroundDrawable(background);

Mario Kutlev Over a year ago

@rnoway , it would be better to add your comment as an edit in your answer. You should mark the answer as resolution, because it fixes the problem.

gunar Over a year ago

For me it works if I call invalidateMenuOptions after setBackgroundDrawable without making any assumptions about the type of Drawable

Mustafa Chelik Over a year ago

@rnoway: Why did you define actionBar property final? How defining it final affects it? Sorry i'm new to Java and Android. Thanks

Satyaki Mukherjee · Accepted Answer · 2013-12-31 11:26:35Z

You can easily do this thing. If you would like to change Action Bar background image then you place this code to your res/styles.xml file.

 <style name="Theme.MyAppTheme" parent="@android:style/Theme.Holo"> <item name="android:actionBarStyle">@style/Theme.MyAppTheme.ActionBar</item> </style> <style name="Theme.MyAppTheme.ActionBar" parent="@android:style/Widget.Holo.ActionBar"> <item name="android:background">@drawable/top_black_bg</item> </style>

For this you have to select an image from "drawable" folder . Here I select an image "tp_black_bg.png"

After that don't forget to declare this theme to your AndroidManifest.xml file

 <application . . . android:theme="@style/Theme.MyAppTheme" >.............</application>

Now you can reopen any XML layout file , you can easily see the effect. In the same way you can also able to change the background color of ActionBar.

Thanks.

Naskov · Accepted Answer · 2015-03-10 02:09:40Z

3

mActionBar.setBackgroundDrawable(getResources().getDrawable(R.drawable.navbar));

answered Mar 10, 2015 at 2:09

Naskov

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Comments

Ron · Accepted Answer · 2015-01-23 11:03:22Z

2

Use getSupportActionBar() from android.support.v7 for backward compatability.

answered Jan 23, 2015 at 11:03

Ron

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