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extern crate log; mod ffi; use std::os::raw::{c_char, c_int}; use log::{Level, Log, Metadata, Record, SetLoggerError}; use ffi::android_LogPriority; pub struct Logger; impl Log for Logger { fn enabled(&self, _metadata: &Metadata) -> bool { true } fn log(&self, record: &Record) { let prio = match record.level() { Level::Error => android_LogPriority::ANDROID_LOG_ERROR, Level::Warn => android_LogPriority::ANDROID_LOG_WARN, Level::Info => android_LogPriority::ANDROID_LOG_INFO, Level::Debug => android_LogPriority::ANDROID_LOG_DEBUG, Level::Trace => android_LogPriority::ANDROID_LOG_VERBOSE, }; let text = format!("{}", record.args()); let _ret = unsafe { ffi::__android_log_write( prio as c_int, record.target().as_ptr() as *const c_char, text.as_ptr() as *const c_char, ) }; } fn flush(&self) {} } pub fn init() -> Result<(), SetLoggerError> { log::set_boxed_logger(Box::new(Logger {})) }