How to update an android app programatically
<p>I have developed an app for android. When i installed it for first time, the app works. But when i do some changes in source code, we cant install it without deleting it from phone. I want that app should be updated wen i install it for second time. Any Solutions?</p>

<p>Note : My app consists of database which i dont want to delete so want to update new app on existing one</p>
