Android icon vs logo

Asked 18/7, 2011 at 15:51 Answered 6/9, 2011 at 8:14

Solved android icons manifest graphical-logo

102

The <application> tag for the Android Manifest contains a logo attribute which I have never seen before. What is the difference between your application's icon and its logo? Is it used purely for market?

Zygoma answered 18/7, 2011 at 15:51 Comment(2)

Very true! However it doesn't show up in intellisense in Eclipse! Seems like platform wants to add a new feature for developers to make their logo(Start up screen) and reference it directly from manifest. – Carbineer 18/7, 2011 at 16:22

It shows up in intellisense in IntelliJ. – Libnah 5/2, 2013 at 18:13

121

The ActionBar will use the android:logo attribute of your manifest, if one is provided. That lets you use separate drawable resources for the icon (Launcher) and the logo (ActionBar, among other things).

Source: Android: How to change the ActionBar "Home" Icon to be something other than the app icon?

setDisplayUseLogoEnabled() Enables the use of an alternative image (a "logo") in the Action Bar, instead of the default application icon. A logo is often a wider, more detailed image that represents the application. When this is enabled, the system uses the logo image defined for the application (or the individual activity) in the manifest file, with the android:logo attribute. The logo will be resized as necessary to fit the height of the Action Bar. (Best practice is to design the logo at the same size as your application icon.)

Source: http://developer.android.com/guide/topics/ui/actionbar.html#Style

To replace the icon with a logo, specify your application logo in the manifest file with the android:logo attribute, then call setDisplayUseLogoEnabled(true) in your activity.

Source: http://developer.android.com/sdk/android-3.0.html#api

Nonrigid answered 6/9, 2011 at 8:14 Comment(2)

Awesome, thanks for the full answer! This makes much more sense. – Zygoma 7/9, 2011 at 12:24

If the best practice is to set both as the same size, why would you use the logo? or maybe they meant just the height? – Edmundedmunda 31/8, 2014 at 21:38

It appears that:

android:logo is available in API Level 10, but not API Level 8
using android:logo without android:icon does not set the application icon in the app drawer

My hunch is that "logo" refers to a company logo instead of an application icon.

Heritable answered 19/7, 2011 at 7:8 Comment(2)

This is probably the case, although I can't really tell. Until someone else answers definitively, I'll have to assume this is the case. Thanks! – Zygoma 20/7, 2011 at 18:20

R.attr.logo is available since API Level 11, so android:logo too. The ActionBar is also available since API Level 11. You don't need to set a logo before API Level 11, because Android used the old theme from API Level 1 to API Level 10. A new theme (Holo) was used since API Level 11. That is why everything I mentioned was available since API Level 11. – Kochi 16/7, 2018 at 13:41

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