Logging Framework for iOS? [closed]

Question

Is there a logging framework for iOS that could aid developers in diagnosing app crashes?

Answer 1

This previous question seems to overlap. But the bottom line is:

NSLog(@"message");

or:

printf("message");

Answer 2

You may like:

• Lumberjack: stable and traditional

"It is similar in concept to other popular logging frameworks such as log4j, yet is designed specifically for Objective-C, and takes advantage of features such as multi-threading, grand central dispatch (if available), lockless atomic operations, and the dynamic nature of the Objective-C runtime."

• LibComponentLogging: beautiful and hardcore, used by RestKit

"LibComponentLogging is a small logging library for Objective-C applications on Mac OS X and the iPhone OS which provides conditional logging based on log levels and log components. Additionally, different logging strategies can be used, e.g. writing log messages to a file or sending them to the system log, while using the same logging interface."

• NSLogger: fancy with a dedicated visualization OS X App

"NSLogger is a high perfomance logging utility which displays traces emitted by client applications running on Mac OS X or iOS (iPhone OS). It replaces your usual NSLog()-based traces and provides powerful additions like display filtering, image and binary logging, traces buffering, timing information, etc."

Answer 3

For basic logging use NSLog(@"your message here") If you want more flexible logging look into Lumberjack. It can let you disable logging in production etc etc.

Answer 4

I have a slightly different need: not only do I want to debug crashes, but I also need to debug other errors (NSError, NSException).

I tried all 3 packages mentioned in IlDan's answer. However, all of them require me to adopt a new way of logging, which may not be compatible with the libraries I depend on. For example, I intended to adopt NSLogger but RestKit, which is an important library in my project, uses LibComponentLogging.

So I ended up with writing a small pod (https://github.com/kennethjiang/Teleport-NSLog) for that. The mechanism is to redirect stderr (where NSLog + all these logging frameworks write messages to) to a backend HTTP server. Now I can debug my app running in user's device just as if it was running in my xcode. :)

Answer 5

I created a simple logging framework that might help. I'd appreciate any feedback you have. Hope it helps.

Link to Project Page

Answer 6

I know this post is old but I'm looking for one as well. I found one called Lumberjack, though I haven't tried it yet.