android 普通日志输出到SD卡

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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 BaseActivity extends Activity {

    private Logger gLogger;

    public void configLog()

    {

        final LogConfigurator logConfigurator = new LogConfigurator();

        logConfigurator.setFileName(Environment.getExternalStorageDirectory() + File.separator + "crifanli_log4j.log");

        // Set the root log level

        logConfigurator.setRootLevel(Level.DEBUG);

        // Set log level of a specific logger

        logConfigurator.setLevel("org.apache", Level.ERROR);

        logConfigurator.configure();

        //gLogger = Logger.getLogger(this.getClass());

        gLogger = Logger.getLogger("CrifanLiLog4jTest");

    }

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        configLog();

        gLogger.debug("test android log to file in sd card using log4j");