Apps do sth before launchin

[desatir7316]

Hi there
how to do sth like take screen shot before launching app?
for ex: I want to write a snapshot app and want to when I click it to start, first take screen shot and then launch and show shoted picture
thanks

 

[desatir7316]

actually i want to take snapshot from my screen
here is the code that i use for snap shot: http://www.coderzheaven.com/2012/04/07/how-to-take-screenshot-of-your-phone-in-android-through-code/

my problem in that i want to take snapshot by starting the program and then show the shotted picture in a imageview
thanks for ur help

 

[desatir7316]

how can i take snapshot from my home screen or anywhere else my app
i move the above code to onStop, onPause and onResume but all did the same and took snapshot from the app not anywhere else