| commit | 86aaae89159c9a3d90c74b516494cd3c17a8dc5e | [log] [tgz] |
|---|---|---|
| author | Sam Saccone <[email protected]> | Tue Jul 18 23:03:11 2023 +0000 |
| committer | Automerger Merge Worker <[email protected]> | Tue Jul 18 23:03:11 2023 +0000 |
| tree | e257445ef98ef86c60c06a770eae689aeb33e02b | |
| parent | 062ad8f34b0135d17609297d9fa36be269483df2 [diff] | |
| parent | 776b3b4d48f7999287444a13a4020eea98e19e28 [diff] |
Move OWNER reference master=>main. am: 47315711dd am: 662a6e0ede am: f18a6bd702 am: 776b3b4d48 Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/android_logger/+/2661253 Change-Id: Ibc5ee7aa4d930556643721df654c12f19968be5e 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 = "0.11"
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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Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.