| commit | 7c8e2251413bc331d83979cd53204eb4abb55266 | [log] [tgz] |
|---|---|---|
| author | James Farrell <[email protected]> | Tue May 21 15:04:14 2024 +0000 |
| committer | Automerger Merge Worker <[email protected]> | Tue May 21 15:04:14 2024 +0000 |
| tree | c04ed8c68e60c65f44bfff92f9ea9429844822fd | |
| parent | 46f374b5898182db6b34b905e61626a982b1739f [diff] | |
| parent | 54d6e8af08a833a8cc77d6b0238c667fc3913562 [diff] |
Update Android.bp by running cargo_embargo am: d53e8a3ab0 am: 54d6e8af08 Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/android_logger/+/3093032 Change-Id: I9e66d5656d3608da8a95ea1922caaa6f77232a30 Signed-off-by: Automerger Merge Worker <[email protected]>
This library is a drop-in replacement for env_logger. Instead, it outputs messages to android's logcat.
This only works on Android and requires linking to log which is only available under android. With Cargo, it is possible to conditionally require this library:
[target.'cfg(target_os = "android")'.dependencies] android_logger = "0.13"
Example of initialization on activity creation, with log configuration:
#[macro_use] extern crate log; extern crate android_logger; use log::LevelFilter; use android_logger::{Config,FilterBuilder}; fn native_activity_create() { android_logger::init_once( Config::default() .with_max_level(LevelFilter::Trace) // limit log level .with_tag("mytag") // logs will show under mytag tag .with_filter( // configure messages for specific crate FilterBuilder::new() .parse("debug,hello::crate=error") .build()) ); trace!("this is a verbose {}", "message"); error!("this is printed by default"); }
To allow all logs, use the default configuration with min level Trace:
#[macro_use] extern crate log; extern crate android_logger; use log::LevelFilter; use android_logger::Config; fn native_activity_create() { android_logger::init_once( Config::default().with_max_level(LevelFilter::Trace), ); }
There is a caveat that this library can only be initialized once (hence the init_once function name). However, Android native activity can be re-created every time the screen is rotated, resulting in multiple initialization calls. Therefore this library will only log a warning for subsequent init_once calls.
This library ensures that logged messages do not overflow Android log message limits by efficiently splitting messages into chunks.
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