Android中使用log4j

1.首先去下载Android log4j库 http://code.google.com/p/android-logging-log4j/ 

下载

2.再去下载apache log4j库http://www.apache.org/dyn/closer.cgi/logging/log4j/1.2.17/log4j-1.2.17.zip

3.下载后两个jar包导入项目

如图：

4.编写 测试代码

import de.mindpipe.android.logging.log4j.LogConfigurator; import java.io.File; import android.os.Environment; import org.apache.log4j.Level; import org.apache.log4j.Logger; public class Log4jUtil { private static Logger gLogger; public static void configLog(String msg) { final LogConfigurator logConfigurator = new LogConfigurator(); logConfigurator.setFileName(Environment.getExternalStorageDirectory() + File.separator + "crifanli_log4j.log"); // Set the root log level logConfigurator.setRootLevel(Level.INFO); // Set log level of a specific logger logConfigurator.setLevel("org.apache", Level.INFO); logConfigurator.configure(); // gLogger = Logger.getLogger(this.getClass()); gLogger = Logger.getLogger("CrifanLiLog4jTest"); gLogger.info(msg); } }

5.引用

6.结果