161 lines
4.6 KiB
Plaintext
161 lines
4.6 KiB
Plaintext
package com.novelbook.android.utils;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import android.content.Context;
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import android.os.Environment;
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/**
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* log日志统计保存
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*
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* @author way
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*
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*/
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public class LogcatHelper {
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private static LogcatHelper INSTANCE = null;
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private static String PATH_LOGCAT;
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private LogDumper mLogDumper = null;
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private int mPId;
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/**
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*
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* 初始化目录
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*
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* */
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public void init(Context context) {
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if (Environment.getExternalStorageState().equals(
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Environment.MEDIA_MOUNTED)) {// 优先保存到SD卡中
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PATH_LOGCAT = Environment.getExternalStorageDirectory()
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.getAbsolutePath() + File.separator + "novelLog";
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} else {// 如果SD卡不存在，就保存到本应用的目录下
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PATH_LOGCAT = context.getFilesDir().getAbsolutePath()
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+ File.separator + "novelLog";
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}
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File file = new File(PATH_LOGCAT);
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if (!file.exists()) {
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file.mkdirs();
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}
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}
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public static LogcatHelper getInstance(Context context) {
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if (INSTANCE == null) {
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INSTANCE = new LogcatHelper(context);
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}
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return INSTANCE;
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}
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private LogcatHelper(Context context) {
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init(context);
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mPId = android.os.Process.myPid();
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}
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public void start() {
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if (mLogDumper == null)
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mLogDumper = new LogDumper(String.valueOf(mPId), PATH_LOGCAT);
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mLogDumper.start();
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}
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public void stop() {
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if (mLogDumper != null) {
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mLogDumper.stopLogs();
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mLogDumper = null;
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}
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}
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private class LogDumper extends Thread {
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private Process logcatProc;
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private BufferedReader mReader = null;
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private boolean mRunning = true;
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String cmds = null;
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private String mPID;
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private FileOutputStream out = null;
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public LogDumper(String pid, String dir) {
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mPID = pid;
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try {
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out = new FileOutputStream(new File(dir, "Novel-"
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+ CommonUtil.getFileName() + ".log"),true);
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} catch (FileNotFoundException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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/**
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*
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* 日志等级：*:v , *:d , *:w , *:e , *:f , *:s
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*
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* 显示当前mPID程序的 E和W等级的日志.
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*
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* */
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// cmds = "logcat *:e *:w | grep \"(" + mPID + ")\"";
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// cmds = "logcat | grep \"(" + mPID + ")\"";//打印所有日志信息
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// cmds = "logcat -s way";//打印标签过滤信息
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// cmds = "logcat *:e *:i | grep \"(" + mPID + ")\"";
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cmds = "logcat *:D | grep \"(" + mPID + ")\"";
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// cmds = "logcat *:D";
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}
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public void stopLogs() {
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mRunning = false;
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}
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@Override
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public void run() {
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try {
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logcatProc = Runtime.getRuntime().exec(cmds);
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mReader = new BufferedReader(new InputStreamReader(
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logcatProc.getInputStream()), 1024);
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String line = null;
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while (mRunning && (line = mReader.readLine()) != null) {
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if (!mRunning) {
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break;
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}
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if (line.length() == 0) {
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continue;
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}
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if (out != null/* && line.contains(mPID)*/) {
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out.write((CommonUtil.getDateEN() + " " + line + "\n") .getBytes());
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}
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}
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} catch (IOException e) {
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e.printStackTrace();
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} finally {
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if (logcatProc != null) {
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logcatProc.destroy();
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logcatProc = null;
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}
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if (mReader != null) {
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try {
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mReader.close();
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mReader = null;
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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if (out != null) {
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try {
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out.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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out = null;
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}
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}
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}
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}
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} |