Android application icon changes with runtime

In my app I want to display different icons for the application. Changes should be according to the scenario. For example, it will mark the numbe开发者_开发知识库r of days remaining for the task completion. On the android menu this icon will display the number of days remaining. If anyone has any idea for this, I would appreciate it. Thanks.

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There are actually a number of ways to achieve this. If you notice Google's clock app these days, it does show the current time.

You can refer to this tutorial: https://blog.jakelee.co.uk/programmatically-changing-app-icon/

Or find even more ways here: How to change an application icon programmatically in Android?

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As far as i know, you cant. Also refer to this answer:

Android Application Icon Change

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I am afraid you can't change your app's icon programmatically. How to change an application icon programmatically in Android?

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This can be done easily. Within your activity code, just write:

getActionBar().setIcon(R.drawable.new_icon);