如何成为Android开发高手

核心提示：this.data.get(i+1)<> 328329RandomAccessFile randOut = new RandomAccessFile(this.saveFile, "rw");330331if(this.fileSize>0) randOut.setLength(t

this.data.get(i+1)<>

328

329RandomAccessFile randOut = new RandomAccessFile(this.saveFile, "rw");

330

331if(this.fileSize>0) randOut.setLength(this.fileSize);

332

333randOut.seek(this.data.get(i+1));

334

335this.threads[i] = new DownloadThread(this, this.url, randOut, this.block, this.data.get(i+1), i+1);

336

337this.threads[i].setPriority(7);

338

339this.threads[i].start();

340

341}else{

342

343this.threads[i] = null;

344

345}

346

347}

348

349this.fileService.save(this.downloadUrl, this.data);

350

351boolean notFinish = true;//下载未完成

352

353while (notFinish) {// 循环判断是否下载完毕

354

355Thread.sleep(900);

356

357notFinish = false;//假定下载完成

358

359for (int i = 0; i < this.threads.length; i++){

360

361if (this.threads[i] != null && !this.threads[i].isFinish()) {

362

363notFinish = true;//下载没有完成

364

365if(this.threads[i].getDownLength() == -1){//如果下载失败,再重新下载

366

367RandomAccessFile randOut = new RandomAccessFile(this.saveFile, "rw");

368

369randOut.seek(this.data.get(i+1));

370

371this.threads[i] = new DownloadThread(this, this.url, randOut, this.block, this.data.get(i+1), i+1);

372

373this.threads[i].setPriority(7);

374

375this.threads[i].start();

376

377}

378

379}

380

381}

382

383if(listener!=null) listener.onDownloadSize(this.downloadSize);