android開發 獲取logcat日誌並記錄(方便離線除錯)
阿新 • • 發佈:2019-01-01
案例:當我們的軟體安裝在手機上的時候,或許還需要知道整個軟體執行的情況,那麼我們就需要一種把軟體執行的狀況記錄下來,儲存在某個地方(本地檔案,以下就是解決方法
直接上程式碼:
- package com.ifeng.fhdt.service;
- import java.io.BufferedReader;
- import java.io.File;
- import java.io.FileInputStream;
- import java.io.FileOutputStream;
- import java.io.IOException;
- import java.io.InputStream;
- import java.io.InputStreamReader;
- import java.io.OutputStreamWriter;
- import java.text.ParseException;
- import java.text.SimpleDateFormat;
- import java.util.ArrayList;
- import java.util.Arrays;
- import java.util.Calendar;
- import java.util.Comparator;
- import java.util.Date;
- import java.util.List;
- import android.app.AlarmManager;
- import android.app.PendingIntent;
- import android.app.Service;
- import android.content.BroadcastReceiver;
- import android.content.Context;
- import android.content.Intent;
- import android.content.IntentFilter;
- import android.os.Environment;
- import android.os.IBinder;
- import android.os.PowerManager;
- import android.os.PowerManager.WakeLock;
- import android.util.Log;
- /**
- * 日誌服務,日誌預設會儲存在SDcar裡如果沒有SDcard會儲存在記憶體中的安裝目錄下面。
- * 1.本服務預設在SDcard中每天生成一個日誌檔案,
- * 2.如果有SDCard的話會將之前記憶體中的檔案拷貝到SDCard中
- * 3.如果沒有SDCard,在安裝目錄下只儲存當前在寫日誌
- * 4.SDcard的裝載解除安裝動作會在步驟2,3中切換
- * 5.SDcard中的日誌檔案只儲存7天
- * @author Administrator
- *
- */
- publicclass LogService extends Service {
- privatestaticfinal String TAG = "LogService";
- privatestaticfinalint MEMORY_LOG_FILE_MAX_SIZE = 10 * 1024 * 1024; //記憶體中日誌檔案最大值,10M
- privatestaticfinalint MEMORY_LOG_FILE_MONITOR_INTERVAL = 10 * 60 * 1000; //記憶體中的日誌檔案大小監控時間間隔,10分鐘
- privatestaticfinalint SDCARD_LOG_FILE_SAVE_DAYS = 7; //sd卡中日誌檔案的最多儲存天數
- private String LOG_PATH_MEMORY_DIR; //日誌檔案在記憶體中的路徑(日誌檔案在安裝目錄中的路徑)
- private String LOG_PATH_SDCARD_DIR; //日誌檔案在sdcard中的路徑
- @SuppressWarnings("unused")
- private String LOG_SERVICE_LOG_PATH; //本服務產生的日誌,記錄日誌服務開啟失敗資訊
- privatefinalint SDCARD_TYPE = 0; //當前的日誌記錄型別為儲存在SD卡下面
- privatefinalint MEMORY_TYPE = 1; //當前的日誌記錄型別為儲存在記憶體中
- privateint CURR_LOG_TYPE = SDCARD_TYPE; //當前的日誌記錄型別
- private String CURR_INSTALL_LOG_NAME; //如果當前的日誌寫在記憶體中,記錄當前的日誌檔名稱
- private String logServiceLogName = "Log.log";//本服務輸出的日誌檔名稱
- private SimpleDateFormat myLogSdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
- private OutputStreamWriter writer;
- private SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HHmmss");//日誌名稱格式
- private Process process;
- private WakeLock wakeLock;
- private SDStateMonitorReceiver sdStateReceiver; //SDcard狀態監測
- private LogTaskReceiver logTaskReceiver;
- /* 是否正在監測日誌檔案大小;
- * 如果當前日誌記錄在SDcard中則為false
- * 如果當前日誌記錄在記憶體中則為true*/
- privateboolean logSizeMoniting = false;
- privatestatic String MONITOR_LOG_SIZE_ACTION = "MONITOR_LOG_SIZE"; //日誌檔案監測action
- privatestatic String SWITCH_LOG_FILE_ACTION = "SWITCH_LOG_FILE_ACTION"; //切換日誌檔案action
- @Override
- public IBinder onBind(Intent intent) {
- returnnull;
- }
- @Override
- publicvoid onCreate() {
- super.onCreate();
- init();
- register();
- deploySwitchLogFileTask();
- new LogCollectorThread().start();
- }
- privatevoid init(){
- LOG_PATH_MEMORY_DIR = getFilesDir().getAbsolutePath() + File.separator + "log";
- LOG_SERVICE_LOG_PATH = LOG_PATH_MEMORY_DIR + File.separator + logServiceLogName;
- LOG_PATH_SDCARD_DIR = Environment.getExternalStorageDirectory().getAbsolutePath() + File.separator
- + "MyApp" + File.separator + "log";
- createLogDir();
- /* ******************************************************
- try {
- writer = new OutputStreamWriter(new FileOutputStream(
- LOG_SERVICE_LOG_PATH, true));
- } catch (FileNotFoundException e) {
- Log.e(TAG, e.getMessage(), e);
- }
- * ******************************************************/
- PowerManager pm = (PowerManager) getApplicationContext().getSystemService(Context.POWER_SERVICE);
- wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG);
- CURR_LOG_TYPE = getCurrLogType();
- Log.i(TAG, "LogService onCreate");
- }
- privatevoid register(){
- IntentFilter sdCarMonitorFilter = new IntentFilter();
- sdCarMonitorFilter.addAction(Intent.ACTION_MEDIA_MOUNTED);
- sdCarMonitorFilter.addAction(Intent.ACTION_MEDIA_UNMOUNTED);
- sdCarMonitorFilter.addDataScheme("file");
- sdStateReceiver = new SDStateMonitorReceiver();
- registerReceiver(sdStateReceiver, sdCarMonitorFilter);
- IntentFilter logTaskFilter = new IntentFilter();
- logTaskFilter.addAction(MONITOR_LOG_SIZE_ACTION);
- logTaskFilter.addAction(SWITCH_LOG_FILE_ACTION);
- logTaskReceiver = new LogTaskReceiver();
- registerReceiver(logTaskReceiver,logTaskFilter);
- }
- /**
- * 獲取當前應儲存在記憶體中還是儲存在SDCard中
- * @return
- */
- publicint getCurrLogType(){
- if (!Environment.getExternalStorageState().equals(
- Environment.MEDIA_MOUNTED)) {
- return MEMORY_TYPE;
- }else{
- return SDCARD_TYPE;
- }
- }
- /**
- * 部署日誌切換任務,每天凌晨切換日誌檔案
- */
- privatevoid deploySwitchLogFileTask() {
- Intent intent = new Intent(SWITCH_LOG_FILE_ACTION);
- PendingIntent sender = PendingIntent.getBroadcast(this, 0, intent, 0);
- Calendar calendar = Calendar.getInstance();
- calendar.add(Calendar.DAY_OF_MONTH, 1);
- calendar.set(Calendar.HOUR_OF_DAY, 0);
- calendar.set(Calendar.MINUTE, 0);
- calendar.set(Calendar.SECOND, 0);
- // 部署任務
- AlarmManager am = (AlarmManager) getSystemService(ALARM_SERVICE);
- am.setRepeating(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), AlarmManager.INTERVAL_DAY, sender);
- recordLogServiceLog("deployNextTask succ,next task time is:"+myLogSdf.format(calendar.getTime()));
- }
- /**
- * 日誌收集
- * 1.清除日誌快取
- * 2.殺死應用程式已開啟的Logcat程序防止多個程序寫入一個日誌檔案
- * 3.開啟日誌收集程序
- * 4.處理日誌檔案
- * 移動 OR 刪除
- */
- class LogCollectorThread extends Thread {
- public LogCollectorThread(){
- super("LogCollectorThread");
- Log.d(TAG, "LogCollectorThread is create");
- }
- @Override
- publicvoid run() {
- try {
- wakeLock.acquire(); //喚醒手機
- clearLogCache();
- List<String> orgProcessList = getAllProcess();
- List<ProcessInfo> processInfoList = getProcessInfoList(orgProcessList);
- killLogcatProc(processInfoList);
- createLogCollector();
- Thread.sleep(1000);//休眠,建立檔案,然後處理檔案,不然該檔案還沒建立,會影響檔案刪除
- handleLog();
- wakeLock.release(); //釋放
- } catch (Exception e) {
- e.printStackTrace();
- recordLogServiceLog(Log.getStackTraceString(e));
- }
- }
- }
- /**
- * 每次記錄日誌之前先清除日誌的快取, 不然會在兩個日誌檔案中記錄重複的日誌
- */
- privatevoid clearLogCache() {
- Process proc = null;
- List<String> commandList = new ArrayList<String>();
- commandList.add("logcat");
- commandList.add("-c");
- try {
- proc = Runtime.getRuntime().exec(
- commandList.toArray(new String[commandList.size()]));
- StreamConsumer errorGobbler = new StreamConsumer(proc
- .getErrorStream());
- StreamConsumer outputGobbler = new StreamConsumer(proc
- .getInputStream());
- errorGobbler.start();
- outputGobbler.start();
- if (proc.waitFor() != 0) {
- Log.e(TAG, " clearLogCache proc.waitFor() != 0");
- recordLogServiceLog("clearLogCache clearLogCache proc.waitFor() != 0");
- }
- } catch (Exception e) {
- Log.e(TAG, "clearLogCache failed", e);
- recordLogServiceLog("clearLogCache failed");
- } finally {
- try {
- proc.destroy();
- } catch (Exception e) {
- Log.e(TAG, "clearLogCache failed", e);
- recordLogServiceLog("clearLogCache failed");
- }
- }
- }
- /**
- * 關閉由本程式開啟的logcat程序:
- * 根據使用者名稱稱殺死程序(如果是本程式程序開啟的Logcat收集程序那麼兩者的USER一致)
- * 如果不關閉會有多個程序讀取logcat日誌快取資訊寫入日誌檔案
- *
- * @param allProcList
- * @return
- */
- privatevoid killLogcatProc(List<ProcessInfo> allProcList) {
- if(process != null){
- process.destroy();
- }
- String packName = this.getPackageName();
- String myUser = getAppUser(packName, allProcList);
- /*
- recordLogServiceLog("app user is:"+myUser);
- recordLogServiceLog("========================");
- for (ProcessInfo processInfo : allProcList) {
- recordLogServiceLog(processInfo.toString());
- }
- recordLogServiceLog("========================");
- */
- for (ProcessInfo processInfo : allProcList) {
- if (processInfo.name.toLowerCase().equals("logcat")
- && processInfo.user.equals(myUser)) {
- android.os.Process.killProcess(Integer
- .parseInt(processInfo.pid));
- //recordLogServiceLog("kill another logcat process success,the process info is:"
- // + processInfo);
- }
- }
- }
- /**
- * 獲取本程式的使用者名稱稱
- *
- * @param packName
- * @param allProcList
- * @return
- */
- private String getAppUser(String packName, List<ProcessInfo> allProcList) {
- for (ProcessInfo processInfo : allProcList) {
- if (processInfo.name.equals(packName)) {
- return processInfo.user;
- }
- }
- returnnull;
- }
- /**
- * 根據ps命令得到的內容獲取PID,User,name等資訊
- *
- * @param orgProcessList
- * @return
- */
- private List<ProcessInfo> getProcessInfoList(List<String> orgProcessList) {
- List<ProcessInfo> procInfoList = new ArrayList<ProcessInfo>();
- for (int i = 1; i < orgProcessList.size(); i++) {
- String processInfo = orgProcessList.get(i);
- String[] proStr = processInfo.split(" ");
- // USER PID PPID VSIZE RSS WCHAN PC NAME
- // root 1 0 416 300 c00d4b28 0000cd5c S /init
- List<String> orgInfo = new ArrayList<String>();
- for (String str : proStr) {
- if (!"".equals(str)) {
- orgInfo.add(str);
- }
- }
- if (orgInfo.size() == 9) {
- ProcessInfo pInfo = new ProcessInfo();
- pInfo.user = orgInfo.get(0);
- pInfo.pid = orgInfo.get(1);
- pInfo.ppid = orgInfo.get(2);
- pInfo.name = orgInfo.get(8);
- procInfoList.add(pInfo);
- }
- }
- return procInfoList;
- }
- /**
- * 執行PS命令得到程序資訊
- *
- * @return
- * USER PID PPID VSIZE RSS WCHAN PC NAME
- * root 1 0 416 300 c00d4b28 0000cd5c S /init
- */
- private List<String> getAllProcess() {
- List<String> orgProcList = new ArrayList<String>();
- Process proc = null;
- try {
- proc = Runtime.getRuntime().exec("ps");
- StreamConsumer errorConsumer = new StreamConsumer(proc
- .getErrorStream());
- StreamConsumer outputConsumer = new StreamConsumer(proc
- .getInputStream(), orgProcList);
- errorConsumer.start();
- outputConsumer.start();
- if (proc.waitFor() != 0) {
- Log.e(TAG, "getAllProcess proc.waitFor() != 0");
- recordLogServiceLog("getAllProcess proc.waitFor() != 0");
- }
- } catch (Exception e) {
- Log.e(TAG, "getAllProcess failed", e);
- recordLogServiceLog("getAllProcess failed");
- } finally {
- try {
- proc.destroy();
- } catch (Exception e) {
- Log.e(TAG, "getAllProcess failed", e);
- recordLogServiceLog("getAllProcess failed");
- }
- }
- return orgProcList;
- }
- /**
- * 開始收集日誌資訊
- */
- publicvoid createLogCollector() {
- String logFileName = sdf.format(new Date()) + ".log";// 日誌檔名稱
- List<String> commandList = new ArrayList<String>();
- commandList.add("logcat");
- commandList.add("-f");
- //commandList.add(LOG_PATH_INSTALL_DIR + File.separator + logFileName);
- commandList.add(getLogPath());
- commandList.add("-v");
- commandList.add("time");
- commandList.add("*:w");
- //commandList.add("*:E");// 過濾所有的錯誤資訊
- // 過濾指定TAG的資訊
- // commandList.add("MyAPP:V");
- // commandList.add("*:S");
- try {
- process = Runtime.getRuntime().exec(
- commandList.toArray(new String[commandList.size()]));
- recordLogServiceLog("start collecting the log,and log name is:"+logFileName);
- // process.waitFor();
- } catch (Exception e) {
- Log.e(TAG, "CollectorThread == >" + e.getMessage(), e);
- recordLogServiceLog("CollectorThread == >" + e.getMessage());
- }
- }
- /**
- * 根據當前的儲存位置得到日誌的絕對儲存路徑
- * @return
- */
- public String getLogPath(){
- createLogDir();
- String logFileName = sdf.format(new Date()) + ".log";// 日誌檔名稱
- if(CURR_LOG_TYPE == MEMORY_TYPE){
- CURR_INSTALL_LOG_NAME = logFileName;
- Log.d(TAG, "Log stored in memory, the path is:"+LOG_PATH_MEMORY_DIR + File.separator + logFileName);
- return LOG_PATH_MEMORY_DIR + File.separator + logFileName;
- }else{
- CURR_INSTALL_LOG_NAME = null;
- Log.d(TAG, "Log stored in SDcard, the path is:"+LOG_PATH_SDCARD_DIR + File.separator + logFileName);
- return LOG_PATH_SDCARD_DIR + File.separator + logFileName;
- }
- }
- /**
- * 處理日誌檔案
- * 1.如果日誌檔案儲存位置切換到記憶體中,刪除除了正在寫的日誌檔案
- * 並且部署日誌大小監控任務,控制日誌大小不超過規定值
- * 2.如果日誌檔案儲存位置切換到SDCard中,刪除7天之前的日誌,移
- * 動所有儲存在記憶體中的日誌到SDCard中,並將之前部署的日誌大小
- * 監控取消
- */
- publicvoid handleLog(){
- if(CURR_LOG_TYPE == MEMORY_TYPE){
- deployLogSizeMonitorTask();
- deleteMemoryExpiredLog();
- }else{
- moveLogfile();
- cancelLogSizeMonitorTask();
- deleteSDcardExpiredLog();
- }
- }
- /**
- * 部署日誌大小監控任務
- */
- privatevoid deployLogSizeMonitorTask() {
- if(logSizeMoniting){ //如果當前正在監控著,則不需要繼續部署
- return;
- }
- logSizeMoniting = true;
- Intent intent = new Intent(MONITOR_LOG_SIZE_ACTION);
- PendingIntent sender = PendingIntent.getBroadcast(this, 0, intent, 0);
- AlarmManager am = (AlarmManager) getSystemService(ALARM_SERVICE);
- am.setRepeating(AlarmManager.RTC_WAKEUP,System.currentTimeMillis(), MEMORY_LOG_FILE_MONITOR_INTERVAL, sender);
- Log.d(TAG, "deployLogSizeMonitorTask() succ !");
- //recordLogServiceLog("deployLogSizeMonitorTask() succ ,start time is " + calendar.getTime().toLocaleString());
- }
- /**
- * 取消部署日誌大小監控任務
- */
- privatevoid cancelLogSizeMonitorTask() {
- logSizeMoniting = false;
- AlarmManager am = (AlarmManager) getSystemService(ALARM_SERVICE);
- Intent intent = new Intent(MONITOR_LOG_SIZE_ACTION);
- PendingIntent sender = PendingIntent.getBroadcast(this, 0, intent, 0);
- am.cancel(sender);
- Log.d(TAG, "canelLogSizeMonitorTask() succ");
- }
- /**
- * 檢查日誌檔案大小是否超過了規定大小
- * 如果超過了重新開啟一個日誌收集程序
- */
- privatevoid checkLogSize(){
- if(CURR_INSTALL_LOG_NAME != null && !"".equals(CURR_INSTALL_LOG_NAME)){
- String path = LOG_PATH_MEMORY_DIR + File.separator + CURR_INSTALL_LOG_NAME;
- File file = new File(path);
- if(!file.exists()){
- return;
- }
- Log.d(TAG, "checkLog() ==> The size of the log is too big?");
- if(file.length() >= MEMORY_LOG_FILE_MAX_SIZE){
- Log.d(TAG, "The log's size is too big!");
- new LogCollectorThread().start();
- }
- }
- }
- /**
- * 建立日誌目錄
- */
- privatevoid createLogDir() {
- File file = new File(LOG_PATH_MEMORY_DIR);
- boolean mkOk;
- if (!file.isDirectory()) {
- mkOk = file.mkdirs();
- if (!mkOk) {
- mkOk = file.mkdirs();
- }
- }
- /* ************************************
- file = new File(LOG_SERVICE_LOG_PATH);
- if (!file.exists()) {
- try {
- mkOk = file.createNewFile();
- if (!mkOk) {
- file.createNewFile();
- }
- } catch (IOException e) {
- Log.e(TAG, e.getMessage(), e);
- }
- }
- * ************************************/
- if (Environment.getExternalStorageState().equals(
- Environment.MEDIA_MOUNTED)) {
- file = new File(LOG_PATH_SDCARD_DIR);
- if (!file.isDirectory()) {
- mkOk = file.mkdirs();
- if (!mkOk) {
- recordLogServiceLog("move file failed,dir is not created succ");
- return;
- }
- }
- }
- }
- /**
- * 將日誌檔案轉移到SD卡下面
- */
- privatevoid moveLogfile() {
- if (!Environment.getExternalStorageState().equals(
- Environment.MEDIA_MOUNTED)) {
- //recordLogServiceLog("move file failed, sd card does not mount");
- return;
- }
- File file = new File(LOG_PATH_SDCARD_DIR);
- if (!file.isDirectory()) {
- boolean mkOk = file.mkdirs();
- if (!mkOk) {
- //recordLogServiceLog("move file failed,dir is not created succ");
- return;
- }
- }
- file = new File(LOG_PATH_MEMORY_DIR);
- if (file.isDirectory()) {
- File[] allFiles = file.listFiles();
- for (File logFile : allFiles) {
- String fileName = logFile.getName();
- if (logServiceLogName.equals(fileName)) {
- continue;
- }
- //String createDateInfo = getFileNameWithoutExtension(fileName);
- boolean isSucc = copy(logFile, new File(LOG_PATH_SDCARD_DIR
- + File.separator + fileName));
- if (isSucc) {
- logFile.delete();
- //recordLogServiceLog("move file success,log name is:"+fileName);
- }
- }
- }
- }
- /**
- * 刪除記憶體下過期的日誌
- */
- privatevoid deleteSDcardExpiredLog() {
- File file = new File(LOG_PATH_SDCARD_DIR);
- if (file.isDirectory()) {
- File[] allFiles = file.listFiles();
- for (File logFile : allFiles) {
- String fileName = logFile.getName();
- if (logServiceLogName.equals(fileName)) {
- continue;
- }
- String createDateInfo = getFileNameWithoutExtension(fileName);
- if (canDeleteSDLog(createDateInfo)) {
- logFile.delete();
- Log.d(TAG, "delete expired log success,the log path is:"
- + logFile.getAbsolutePath());
- }
- }
- }
- }
- /**
- * 判斷sdcard上的日誌檔案是否可以刪除
- * @param createDateStr
- * @return
- */
- publicboolean canDeleteSDLog(String createDateStr) {
- boolean canDel = false;
- Calendar calendar = Calendar.getInstance();
- calendar.add(Calendar.DAY_OF_MONTH, -1 * SDCARD_LOG_FILE_SAVE_DAYS);//刪除7天之前日誌
- Date expiredDate = calendar.getTime();
- try {
- Date createDate = sdf.parse(createDateStr);
- canDel = createDate.before(expiredDate);
- } catch (ParseException e) {
- Log.e(TAG, e.getMessage(), e);
- canDel = false;
- }
- return canDel;
- }
- /**
- * 刪除記憶體中的過期日誌,刪除規則:
- * 除了當前的日誌和離當前時間最近的日誌儲存其他的都刪除
- */
- privatevoid deleteMemoryExpiredLog(){
- File file = new File(LOG_PATH_MEMORY_DIR);
- if (file.isDirectory()) {
- File[] allFiles = file.listFiles();
- Arrays.sort(allFiles, new FileComparator());
- for (int i=0;i<allFiles.length-2;i++) { //"-2"儲存最近的兩個日誌檔案
- File _file = allFiles[i];
- if (logServiceLogName.equals(_file.getName()) || _file.getName().equals(CURR_INSTALL_LOG_NAME)) {
- continue;
- }
- _file.delete();
- Log.d(TAG, "delete expired log success,the log path is:"+_file.getAbsolutePath());
- }
- }
- }
- /**
- * 拷貝檔案
- * @param source
- * @param target
- * @return
- */
- privateboolean copy(File source, File target) {
- FileInputStream in = null;
- FileOutputStream out = null;
- try {
- if(!target.exists()){
- boolean createSucc = target.createNewFile();
- if(!createSucc){
- returnfa