Add Logs Without Using Code

You don’t have to put Log.d() like lines anymore!

This article is part of Today I Learned series and was originally posted at my TIL Github Repository and my website at

When debugging apps, we sometimes start putting logging statements all over the code to figure out what’s going on.

That works, but it happens that we forget to remove the logs before committing, and they either get flagged in the code review, or they’re still there when we release.

It’s good practice not to leave debug logging statements behind after you’re done debugging, even if you use ProGuard to strip them out, since they have a detrimental impact on the Signal-to-Noise ratio of your codebase. Like comments, logging statements can easily get out of sync with the surrounding code, becoming useless at best, or misleading as worst.

The situation is even more complicated when our logging statements require some conditional checks before being performed. Now you have potentially expensive and useless if else scattered around as well.

But, it turns out that there a very easy way for this problem. IntelliJ and Android Studio allow you to create non-suspending breakpoints.

First, create any debug breakpoint on any line, either by clicking in the editor gutter, or by using the Ctrl-F8 shortcut. Then, you can edit the breakpoint by either right-clicking it, or by using the Ctrl-Shift-F8 shortcut. and you will see this:

Then, uncheck the Suspend checkbox, and you will see more options in that modal like this:

Now, add any Log messages from code to the Evaluate and log box like this:

And after removing all Log statements from code and putting in debug breakpoints, your code will look cleaner like this:

Much better, right? Now go and use non-suspending breakpoints! All you need to do is run the app with the debugger attached, and the messages will show up in the debug console.

Wajahat Karim is an experienced android developer, an active open source contributor, and co-author of two books Learning Android Intents and Mastering Android Game Development with Unity. In his spare time, he likes to spend time with his family or do experiments on coding and open source, and loves to write about lots of things. He’s on Twitter @WajahatKarim.

Do you have a writing question you’d like me to answer? Contact me through web site at with DEAR WAJAHAT in the subject line.

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