Question

I want to detect whether any debug tool is attached to a android device. I want this feature so that no one can see logs when app is released to people.

Regards.

PS:

I want to write log even in Production environment as they’ll help me fine tune my app but don’t want anyone else to see them.

Answer 1

you can’t detect if USB debugging is connected or enabled without being a system application. however, we can talk about how to solve your problem. if you don’t want your app to log on your official market release, there’s a couple of acceptable ways to go about it,

conditionally log. wrap all your log messages like this,

if (DEBUG) Log.d(...);

before you build your official market APK, set DEBUG to false in your code. a slightly nicer way of doing this is to add a wrapper method or class around android’s logger. e.g., write a method like this,

void d(String msg) {
  if (DEBUG) Log.d(msg);
}

use proguard. proguard is a tool that manipulates bytecode after compilation. you can use it to remove all logging from your code (among other things). there’s quiet a learning curve to get going with proguard, but it’s very powerful.

here’s another post that gives the topic some in-depth discussion.

How do I enable/disable log levels in Android?