logcat保存当前应用程序的日志并上传服务器或指定邮箱

给大家分享一个项目中用到的日志统计并提交服务器的日志工具类.
通过过得当前app的PID，采用命令行的方式实用logcat工具过滤日志。
代码区：

 

package org.and.util;



import java.io.BufferedReader;

import java.io.File;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.InputStreamReader;

import java.util.ArrayList;

import java.util.List;



import android.content.Context;

import android.os.Environment;





/**

* TODO: log日志统计保存、上传-工具类

*

* @author [email protected]



* @date 2012-8-27 上午11:43:52



*/



public class LogcatHelper {



private static LogcatHelper INSTANCE = null;



private static String PATH_LOGCAT ;



private LogDumper mLogDumper = null;



private Context mContext;



private int mPId;



/**



* 初始化目录



* */



public static void init(Context context)



{



StringBuffer LogPath = new StringBuffer();



LogPath.append(Environment.getExternalStorageDirectory());



LogPath.append("/Android/data/");



LogPath.append(context.getPackageName()).append("/");



LogPath.append("logs").append("/");



PATH_LOGCAT = LogPath.toString();



//



File file =new File(PATH_LOGCAT);



if(!file.exists()){



file.mkdirs();



}



}



public static LogcatHelper getInstance(Context context)



{



if(INSTANCE == null){



INSTANCE = new LogcatHelper(context);



}



return INSTANCE;



}



private LogcatHelper(Context context) {



mContext = context;



mPId = android.os.Process.myPid();



}



public void start() {



if(mLogDumper==null){



mLogDumper = new LogDumper(String.valueOf(mPId),PATH_LOGCAT);



mLogDumper.start();



}



}



public void stop()



{



if(mLogDumper!=null){



mLogDumper.stopLogs();



mLogDumper = null;



}



}



public void sendLogMessage(Context context,String user)



{



if(mLogDumper!=null){



mLogDumper.setLogFileLock(true);



String file = mLogDumper.getLogFileName();



File sendFile = new File(file);



if(sendFile.exists() && sendFile.length()>2000){



try{



EmailHelper.sendMail(context, user, file);



}catch(Exception ex){



ex.printStackTrace();



}



File newFile = new File(file);



try {



newFile.createNewFile();



} catch (IOException e) {



e.printStackTrace();



}



}



mLogDumper.setLogFileLock(false);



}



}



private class LogDumper extends Thread{



String fileName;



private Process logcatProc;



private BufferedReader mReader = null;



private boolean mRunning = false;



String cmds=null;



private final String mPID;



private FileOutputStream out = null;



private List<String> logsMessage = new ArrayList<String>();



private boolean mLogFileLock = false;



private String logFileName;



public void setLogFileLock(boolean lock){



mLogFileLock = lock;



}



public boolean isLogFileLock()



{



return mLogFileLock;



}



public LogDumper(String pid,String file) {



mPID = String.valueOf(pid);



fileName = file;



File mFile = new File(fileName,"error.txt");



if(!mFile.exists()){



try {



mFile.createNewFile();



} catch (IOException e) {



e.printStackTrace();



}



}



try {



logFileName = mFile.toString();



out = new FileOutputStream(mFile,true);



} catch (FileNotFoundException e) {



e.printStackTrace();



}



/**



* 日志等级：*:v , *:d , *:w , *:e , *:f , *:s



* 显示当前mPID程序的 E和W等级的日志.



* */



cmds ="logcat *:e *:w | grep \"("+mPID+")\"";



}



public String getLogFileName()



{



return logFileName;



}



public void stopLogs() {



mRunning = false;



}



private boolean checkFileMaxSize(String file){



File sizefile = new File(file);



if(sizefile.exists()){



//1.5MB



if(sizefile.length()>1572864){



return true;



}



else {



return false;



}



}else {



return false;



}



}







@Override



public void run() {



System.out.println("LogCatHelper'");



mRunning = true;



try {



logcatProc = Runtime.getRuntime()



.exec(cmds);







mReader = new BufferedReader(new InputStreamReader(



logcatProc.getInputStream()), 1024);



String line = null;



while (mRunning && (line = mReader.readLine()) != null) {



if (!mRunning) {



break;



}



if (line.length() == 0) {



continue;



}



synchronized (out) {



if (out != null) {



boolean maxSize = checkFileMaxSize(getLogFileName());



if(maxSize){



//文件大小超过1.5mb



sendLogMessage(mContext, DeviceHelper.getInstance(mContext).getImei());



}



if (isLogFileLock()) {



if(line.contains(mPID)){



logsMessage.add(line.getBytes() + "\n");



}



} else {



if(logsMessage.size()>0){



for(String _log:logsMessage){



out.write(_log.getBytes());



}



logsMessage.clear();



}



/**



* 再次过滤日志，筛选当前日志中有 mPID 则是当前程序的日志.



* */



if(line.contains(mPID)){



out.write(line.getBytes());



out.write("\n".getBytes());



}



}



}



}







}



} catch (IOException e) {



e.printStackTrace();



return;



} finally {



if (logcatProc != null) {



logcatProc.destroy();



logcatProc = null;



}



if (mReader != null) {



try {



mReader.close();



mReader = null;



} catch (IOException e) {



e.printStackTrace();



}



}



if(out!=null){



try {



out.close();



} catch (IOException e) {



e.printStackTrace();



}



out = null;



}



}



}



}







}

 

详细说明：http://android.662p.com/thread-216-1-1.html