Can an app see another apps data files in Android?

Can an app (say app A) browse another app's data files (/data/data/)?

I'm guessing app A doesn't have permission to do so.


For sharing data between applications you must create a ContentProvider

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How to determine when an image in a gallery in an Android app is long pressed?

android image gallery

I'm writing an image application and I need to determine when an image is long pressed and do some processing on the image? I'm not sure how to listen to a long press for an image in the gallery?

How to call back to the application from Safari browser when successfully loged in?

iphone ios facebook mobile-safari url-scheme

I am using webservice in my app. I have set one button login with facebook button, that drag user to safari browser and open facebook login page. Here I have not used Facebook API, all things are c...

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