Android(安卓)logcat保存当前应用程序的日志并上传服务器或指定邮箱

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。

源码如下：

项目地址：http://code.google.com/p/andutils/

001 package org.and.util;

002

003 import java.io.BufferedReader;

004 import java.io.File;

005 import java.io.FileNotFoundException;

006 import java.io.FileOutputStream;

007 import java.io.IOException;

008 import java.io.InputStreamReader;

009 import java.util.ArrayList;

010 import java.util.List;

011

012 import android.content.Context;

013 import android.os.Environment;

014

015

016 /**

017 * TODO: log日志统计保存、上传-工具类

018 *

019 * @author hljdrl@gmail.com

020

021 * @date 2012-8-27 上午11:43:52

022

023 */

024

025 public class LogcatHelper {

026

027 private static LogcatHelper INSTANCE = null;

028

029 private static String PATH_LOGCAT ;

030

031 private LogDumper mLogDumper = null;

032

033 private Context mContext;

034

035 private int mPId;

036

037 /**

038

039 * 初始化目录

040

041 * */

042

043 public static void init(Context context)

044

045 {

046

047 StringBuffer LogPath = new StringBuffer();

048

049 LogPath.append(Environment.getExternalStorageDirectory());

050

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

052

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

054

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

056

057 PATH_LOGCAT = LogPath.toString();

058

059 //

060

061 File file =new File(PATH_LOGCAT);

062

063 if(!file.exists()){

064

065 file.mkdirs();

066

067 }

068

069 }

070

071 public static LogcatHelper getInstance(Context context)

072

073 {

074

075 if(INSTANCE == null){

076

077 INSTANCE = new LogcatHelper(context);

078

079 }

080

081 return INSTANCE;

082

083 }

084

085 private LogcatHelper(Context context) {

086

087 mContext = context;

088

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

090

091 }

092

093 public void start() {

094

095 if(mLogDumper==null){

096

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

098

099 mLogDumper.start();

100

101 }

102

103 }

104

105 public void stop()

106

107 {

108

109 if(mLogDumper!=null){

110

111 mLogDumper.stopLogs();

112

113 mLogDumper = null;

114

115 }

116

117 }

118

119 public void sendLogMessage(Context context,String user)

120

121 {

122

123 if(mLogDumper!=null){

124

125 mLogDumper.setLogFileLock(true);

126

127 String file = mLogDumper.getLogFileName();

128

129 File sendFile = new File(file);

130

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

132

133 try{

134

135 EmailHelper.sendMail(context, user, file);

136

137 }catch(Exception ex){

138

139 ex.printStackTrace();

140

141 }

142

143 File newFile = new File(file);

144

145 try {

146

147 newFile.createNewFile();

148

149 } catch (IOException e) {

150

151 e.printStackTrace();

152

153 }

154

155 }

156

157 mLogDumper.setLogFileLock(false);

158

159 }

160

161 }

162

163 private class LogDumper extends Thread{

164

165 String fileName;

166

167 private Process logcatProc;

168

169 private BufferedReader mReader = null;

170

171 private boolean mRunning = false;

172

173 String cmds=null;

174

175 private final String mPID;

176

177 private FileOutputStream out = null;

178

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

180

181 private boolean mLogFileLock = false;

182

183 private String logFileName;

184

185 public void setLogFileLock(boolean lock){

186

187 mLogFileLock = lock;

188

189 }

190

191 public boolean isLogFileLock()

192

193 {

194

195 return mLogFileLock;

196

197 }

198

199 public LogDumper(String pid,String file) {

200

201 mPID = String.valueOf(pid);

202

203 fileName = file;

204

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

206

207 if(!mFile.exists()){

208

209 try {

210

211 mFile.createNewFile();

212

213 } catch (IOException e) {

214

215 e.printStackTrace();

216

217 }

218

219 }

220

221 try {

222

223 logFileName = mFile.toString();

224

225 out = new FileOutputStream(mFile,true);

226

227 } catch (FileNotFoundException e) {

228

229 e.printStackTrace();

230

231 }

232

233 /**

234

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

236

237 * 显示当前mPID程序的 E和W等级的日志.

238

239 * */

240

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

242

243 }

244

245 public String getLogFileName()

246

247 {

248

249 return logFileName;

250

251 }

252

253 public void stopLogs() {

254

255 mRunning = false;

256

257 }

258

259 private boolean checkFileMaxSize(String file){

260

261 File sizefile = new File(file);

262

263 if(sizefile.exists()){

264

265 //1.5MB

266

267 if(sizefile.length()>1572864){

268

269 return true;

270

271 }

272

273 else {

274

275 return false;

276

277 }

278

279 }else {

280

281 return false;

282

283 }

284

285 }

286

287

288

289 @Override

290

291 public void run() {

292

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

294

295 mRunning = true;

296

297 try {

298

299 logcatProc = Runtime.getRuntime()

300

301 .exec(cmds);

302

303

304

305 mReader = new BufferedReader(new InputStreamReader(

306

307 logcatProc.getInputStream()), 1024);

308

309 String line = null;

310

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

312

313 if (!mRunning) {

314

315 break;

316

317 }

318

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

320

321 continue;

322

323 }

324

325 synchronized (out) {

326

327 if (out != null) {

328

329 boolean maxSize = checkFileMaxSize(getLogFileName());

330

331 if(maxSize){

332

333 //文件大小超过1.5mb

334

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

336

337 }

338

339 if (isLogFileLock()) {

340

341 if(line.contains(mPID)){

342

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

344

345 }

346

347 } else {

348

349 if(logsMessage.size()>0){

350

351 for(String _log:logsMessage){

352

353 out.write(_log.getBytes());

354

355 }

356

357 logsMessage.clear();

358

359 }

360

361 /**

362

363 * 再次过滤日志，筛选当前日志中有 mPID 则是当前程序的日志.

364

365 * */

366

367 if(line.contains(mPID)){

368

369 out.write(line.getBytes());

370

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

372

373 }

374

375 }

376

377 }

378

379 }

380

381

382

383 }

384

385 } catch (IOException e) {

386

387 e.printStackTrace();

388

389 return;

390

391 } finally {

392

393 if (logcatProc != null) {

394

395 logcatProc.destroy();

396

397 logcatProc = null;

398

399 }

400

401 if (mReader != null) {

402

403 try {

404

405 mReader.close();

406

407 mReader = null;

408

409 } catch (IOException e) {

410

411 e.printStackTrace();

412

413 }

414

415 }

416

417 if(out!=null){

418

419 try {

420

421 out.close();

422

423 } catch (IOException e) {

424

425 e.printStackTrace();

426

427 }

428

429 out = null;

430

431 }

432

433 }

434

435 }

436

437 }

438

439

440

441 }

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