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POBitmapFactory.decodeStream cannot decode png type from ftp
 

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  1. POBitmapFactory.decodeStream cannot decode png type from ftp
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    <ul> <li>What was my mistake? How I show png from FTP?</li> </ul> <p>I'm newby for android and try to show image from difference connection/source. Then I already show image which load from drawable and HTTP.</p> <p>Now, I'm try to show from FTP, I get message "--- decoder->decode returned false" when I use..<code>BitmapFactory.decodeStream(ins, null, options);</code> </p> <p>Then I found solution..</p> <pre><code>static class FlushedInputStream extends FilterInputStream { public FlushedInputStream(InputStream inputStream) { super(inputStream); } @Override public long skip(long n) throws IOException { long totalBytesSkipped = 0L; while (totalBytesSkipped &lt; n) { long bytesSkipped = in.skip(n - totalBytesSkipped); if (bytesSkipped == 0L) { int b = read(); if (b &lt; 0) { break; // we reached EOF } else { bytesSkipped = 1; // we read one byte } } totalBytesSkipped += bytesSkipped; } return totalBytesSkipped; } } </code></pre> <p>Then it can load/decode file type "Jpeg, jpg", there are show completely.</p> <p>But log cat say "--- decoder->decode returned false" when bitmap load file type "PNG" again.</p> <p>Thank for advice...</p> <pre><code> ImageView bmImage = (ImageView) findViewById(R.id.faceImageView); BitmapFactory.Options bmOptions; bmOptions = new BitmapFactory.Options(); bmOptions.inSampleSize = 1; Bitmap bm = LoadImage(image_URL, bmOptions); bmImage.setImageBitmap(bm); </code></pre> <p>...</p> <pre><code>private Bitmap LoadImage(String URL, BitmapFactory.Options options) { Bitmap bitmap = null; InputStream in = null; FlushedInputStream fIns = null; try { if (isFTP) { in = downloadFile(""); if (remoteFile.toLowerCase().contains(".png")) { fIns = new FlushedInputStream(in); bitmap = BitmapFactory.decodeStream(fIns, null, options); // byte[] bMapArray = new byte[buf.available()]; // buf.read(bMapArray); // bitmap = BitmapFactory.decodeByteArray(bMapArray, 0, // bMapArray.length); } else { fIns = new FlushedInputStream(in); bitmap = BitmapFactory.decodeStream(fIns); } } else { // HTTP in = OpenHttpConnection(URL); fIns = new FlushedInputStream(in); bitmap = BitmapFactory.decodeStream(fIns); } in.close(); } catch (IOException e1) { } return bitmap; } public synchronized InputStream downloadFile(String localfilename) { InputStream inputStream = null; String user = "aaa"; String pass = "8888"; String host = "xxx.xxx.xxx.xxx"; try { FTPClient mFTPClient = new FTPClient(); mFTPClient.connect(host); mFTPClient.login(user, pass); mFTPClient.enterLocalPassiveMode(); mFTPClient.changeWorkingDirectory("/DroidPic"); String[] aa = mFTPClient.listNames(); String strTmp = ""; do { strTmp = aa[(new Random()).nextInt(aa.length)]; } while (remoteFile == strTmp); remoteFile = strTmp; inputStream = mFTPClient.retrieveFileStream(remoteFile); } catch (Exception ex) { Toast.makeText(this, "Err:" + ex.getMessage(), Toast.LENGTH_LONG) .show(); } return inputStream; } </code></pre>
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