Add android-api-30 feature

Author: Marcin Radomski

Cargo.toml

@@ -25,6 +25,7 @@ targets = [
 [features]
 default = ["regex"]
 regex = ["env_filter/regex"]
+android-api-30 = []
 
 [dependencies.log]
 version = "0.4"

src/lib.rs

@@ -160,7 +160,7 @@ fn android_log(
 fn android_log(_buf_id: Option<LogId>, _priority: Level, _tag: &CStr, _msg: &CStr) {}
 
 /// Outputs log to Android system.
-#[cfg(target_os = "android")]
+#[cfg(all(target_os = "android", feature = "android-api-30"))]
 fn android_is_loggable_len(
     prio: log_ffi::LogPriority,
     tag: &str,
@@ -188,7 +188,7 @@ fn android_log_priority_from_level(level: Level) -> LogPriority {
     }
 }
 
-#[cfg(target_os = "android")]
+#[cfg(all(target_os = "android", feature = "android-api-30"))]
 fn should_log(tag: &str, level: Level, logger_config: &Config) -> bool {
     let prio = android_log_priority_from_level(level);
     // Priority to use in case no system-wide or process-wide overrides are set.
@@ -203,6 +203,11 @@ fn should_log(tag: &str, level: Level, logger_config: &Config) -> bool {
     android_is_loggable_len(prio, tag, default_prio)
 }
 
+#[cfg(all(target_os = "android", not(feature = "android-api-30")))]
+fn should_log(_tag: &str, level: Level, logger_config: &Config) -> bool {
+    level <= logger_config.log_level.unwrap_or_else(log::max_level)
+}
+
 /// Dummy placeholder for tests.
 #[cfg(not(target_os = "android"))]
 fn should_log(_tag: &str, level: Level, logger_config: &Config) -> bool {