libaums

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Problem

There are thousands of pictures under the U disk directory. When copy the files to SD Card, close the IO stream time too much.

Expected behavior

Actual behavior

Stacktrace of Excpetion

(if exists)

Code where problem occurs

for (int i = 0; i < files.length; i++) { long t = SystemClock.elapsedRealtime(); if (!files[i].isDirectory()) { InputStream is = null; OutputStream uos = null; try { File targetFile = new File(Constant.PHOTOPATH, files[i].getName()); if (targetFile.exists()) { targetFile.delete(); } is = new UsbFileInputStream(files[i]); uos = new BufferedOutputStream(new FileOutputStream(targetFile)); int bytesRead; byte[] buffer = new byte[1024]; Log.i("tag1", "copy index:" + i + ",file name:" + files[i].getName() + ",file size:" + Formatter.formatFileSize(mContext, files[i].getLength())); while ((bytesRead = is.read(buffer)) != -1) { uos.write(buffer, 0, bytesRead); } uos.flush(); Log.i("tag2", "dtime" + (SystemClock.elapsedRealtime() - t)); } catch (Exception e) { failCount++; e.printStackTrace(); } finally { Log.i("tag3", "dtime" + (SystemClock.elapsedRealtime() - t)); try { if (null != is) { is.close(); } } catch (IOException e) { } finally { is = null; } Log.i("tag4", "dtime" + (SystemClock.elapsedRealtime() - t)); try { if (null != uos) { uos.close(); } } catch (IOException e) { } finally { uos = null; } Log.i("tag5", "dtime" + (SystemClock.elapsedRealtime() - t)); } } }

-----------------------log 04-15 11:34:01.272 7598-15261/com.lingkang.sport I/tag: files length:2931 04-15 11:34:01.277 7598-15261/com.lingkang.sport I/tag1: copy index:0,file name:2014200012.jpg,file size:85.46 KB 04-15 11:34:01.354 7598-15261/com.lingkang.sport I/tag2: dtime81 04-15 11:34:01.355 7598-15261/com.lingkang.sport I/tag3: dtime83 04-15 11:34:01.531 7598-15261/com.lingkang.sport I/tag4: dtime258 04-15 11:34:01.532 7598-15261/com.lingkang.sport I/tag5: dtime260 04-15 11:34:01.535 7598-15261/com.lingkang.sport I/tag1: copy index:1,file name:2014200104.jpg,file size:30.96 KB 04-15 11:34:01.563 7598-15261/com.lingkang.sport I/tag2: dtime31 04-15 11:34:01.563 7598-15261/com.lingkang.sport I/tag3: dtime31 04-15 11:34:01.690 7598-15261/com.lingkang.sport I/tag4: dtime158 04-15 11:34:01.690 7598-15261/com.lingkang.sport I/tag5: dtime158 04-15 11:34:01.692 7598-15261/com.lingkang.sport I/tag1: copy index:2,file name:2014200127.jpg,file size:59.96 KB 04-15 11:34:01.753 7598-15261/com.lingkang.sport I/tag2: dtime62 04-15 11:34:01.753 7598-15261/com.lingkang.sport I/tag3: dtime62 04-15 11:34:01.888 7598-15261/com.lingkang.sport I/tag4: dtime198 04-15 11:34:01.888 7598-15261/com.lingkang.sport I/tag5: dtime198 04-15 11:34:01.893 7598-15261/com.lingkang.sport I/tag1: copy index:3,file name:2014200177.jpg,file size:30.61 KB 04-15 11:34:01.925 7598-15261/com.lingkang.sport I/tag2: dtime37 04-15 11:34:01.925 7598-15261/com.lingkang.sport I/tag3: dtime37 04-15 11:34:02.068 7598-15261/com.lingkang.sport I/tag4: dtime179 04-15 11:34:02.068 7598-15261/com.lingkang.sport I/tag5: dtime180 04-15 11:34:02.073 7598-15261/com.lingkang.sport I/tag1: copy index:4,file name:2014200182.jpg,file size:28.69 KB 04-15 11:34:02.112 7598-15261/com.lingkang.sport I/tag2: dtime44 04-15 11:34:02.112 7598-15261/com.lingkang.sport I/tag3: dtime44 04-15 11:34:02.257 7598-15261/com.lingkang.sport I/tag4: dtime189 04-15 11:34:02.257 7598-15261/com.lingkang.sport I/tag5: dtime189 04-15 11:34:02.261 7598-15261/com.lingkang.sport I/tag1: copy index:5,file name:2014200196.jpg,file size:34.64 KB 04-15 11:34:02.313 7598-15261/com.lingkang.sport I/tag2: dtime56 04-15 11:34:02.314 7598-15261/com.lingkang.sport I/tag3: dtime56 04-15 11:34:02.442 7598-15261/com.lingkang.sport I/tag4: dtime185 04-15 11:34:02.442 7598-15261/com.lingkang.sport I/tag5: dtime185 04-15 11:34:02.447 7598-15261/com.lingkang.sport I/tag1: copy index:6,file name:2014200224.jpg,file size:29.39 KB 04-15 11:34:02.489 7598-15261/com.lingkang.sport I/tag2: dtime47 04-15 11:34:02.489 7598-15261/com.lingkang.sport I/tag3: dtime47 04-15 11:34:02.640 7598-15261/com.lingkang.sport I/tag4: dtime197 04-15 11:34:02.640 7598-15261/com.lingkang.sport I/tag5: dtime198 04-15 11:34:02.646 7598-15261/com.lingkang.sport I/tag1: copy index:7,file name:2014200254.jpg,file size:97.21 KB 04-15 11:34:02.758 7598-15261/com.lingkang.sport I/tag2: dtime118 04-15 11:34:02.759 7598-15261/com.lingkang.sport I/tag3: dtime118 04-15 11:34:02.908 7598-15261/com.lingkang.sport I/tag4: dtime268 04-15 11:34:02.908 7598-15261/com.lingkang.sport I/tag5: dtime268 04-15 11:34:02.912 7598-15261/com.lingkang.sport I/tag1: copy index:8,file name:2014200262.jpg,file size:29.30 KB 04-15 11:34:02.941 7598-15261/com.lingkang.sport I/tag2: dtime32 04-15 11:34:02.941 7598-15261/com.lingkang.sport I/tag3: dtime32 04-15 11:34:03.085 7598-15261/com.lingkang.sport I/tag4: dtime177 04-15 11:34:03.085 7598-15261/com.lingkang.sport I/tag5: dtime177 04-15 11:34:03.103 7598-15261/com.lingkang.sport I/tag1: copy index:9,file name:2014200314.jpg,file size:109 KB 04-15 11:34:03.231 7598-15261/com.lingkang.sport I/tag2: dtime146 04-15 11:34:03.232 7598-15261/com.lingkang.sport I/tag3: dtime146 04-15 11:34:04.510 7598-15261/com.lingkang.sport I/tag4: dtime1425 04-15 11:34:04.511 7598-15261/com.lingkang.sport I/tag5: dtime1425 04-15 11:34:04.517 7598-15261/com.lingkang.sport I/tag1: copy index:10,file name:2014200317.jpg,file size:55.94 KB 04-15 11:34:04.562 7598-15261/com.lingkang.sport I/tag2: dtime51 04-15 11:34:04.562 7598-15261/com.lingkang.sport I/tag3: dtime51 04-15 11:34:04.696 7598-15261/com.lingkang.sport I/tag4: dtime186 04-15 11:34:04.696 7598-15261/com.lingkang.sport I/tag5: dtime186

Hey there,

yes this is currently a limitation. I didnt think about that when I wrote the initial code. As a workaround I suggest try to only call close() when you wrote the very last file

OK, Thanks

Lets keep this open.