27、android log日誌

標籤：

一、記住

加寫sd卡許可權

 

二、代碼

 1 package com.example.logtest; 2  3 import java.io.File; 4 import java.io.IOException; 5  6 import org.apache.log4j.Appender; 7 import org.apache.log4j.FileAppender; 8 import org.apache.log4j.Logger; 9 import org.apache.log4j.PatternLayout;10 11 12 import android.app.Activity;13 import android.os.Bundle;14 import android.os.Environment;15 import android.util.Log;16 17 18 19 public class MainActivity extends Activity {20 21     public static  Logger gLoggerTvMenu;22     public static String pathTvMenuCache =  Environment.getExternalStorageDirectory()+File.separator+"5wei"+ File.separator+"TvMenuCache"+ File.separator;23     24     @Override25     protected void onCreate(Bundle savedInstanceState) {26         super.onCreate(savedInstanceState);27         setContentView(R.layout.activity_main);28         29 30         gLoggerTvMenu = Logger.getLogger("tvMenu");31         PatternLayout tvMenuLayout = new PatternLayout("%d %p [%c] - %m%n");32         try {33             Appender tvMenuAppender = new FileAppender(tvMenuLayout,pathTvMenuCache+"tvMenu.log");34             gLoggerTvMenu.addAppender(tvMenuAppender);35         } catch (IOException e) {36             // TODO Auto-generated catch block37             Log.e("error", "wrong :"+e.getMessage());38             e.printStackTrace();39         }40         41         gLoggerTvMenu.debug("it is a test");42     }43 }

View Code

 

三、效果

在對應目錄產生對應的記錄檔

 

四、demo外鏈

http://pan.baidu.com/s/1dDCiS17

27、android log日誌