StackOverflow2013

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plurals

PO
primarykey
Id
15805842
data
AcceptedAnswerId
0
AnswerCount
0
ClosedDate
CommentCount
0
CommunityOwnedDate
CreationDate
2013-04-04T08:14:01.203
FavoriteCount
0
LastActivityDate
2013-04-04T08:14:01.203
LastEditDate
LastEditorUserId
0
OwnerUserId
680925
ParentId
15805146
PostTypeId
2
Score
2
ViewCount
0
LastEditorDisplayName
text
Body
Your writing the image to a file output stream on your client side, which will store the contents into a physical file. You are then trying to convert the <code>toString</code> representation of <code>FileOutputStream</code> as the image content. This won't work, the <code>toString</code> method of that class doesn't give you the contents that were written to the stream, it just prints a barely helpful message like this: <blockquote> java.io.FileOutputStream@761eec35 </blockquote> I believe what you intended to do was use a <code>ByteArrayOutputStream</code> - this class does allow you to retrieve the actual contents written via its <code>toString</code> method. On Android side (snippet): <pre><code>Bitmap bm = Bitmap.createBitmap(gestureView.getGesture().toBitmap(100, 100, 8, Color.WHITE)); ByteArrayOutputStream baos = new ByteArrayOutputStream(2056); bm.compress(Bitmap.CompressFormat.PNG, 100, baos); byte[] imageBytes = baos.toByteArray(); String encodedString = Base64.encodeToString(imageBytes, Base64.DEFAULT); </code></pre> On server side (snippet): <pre><code>String imageString = request.getParameter("SignatureImage"); byte[] decodedBytes = Base64.decode(imageString, Base64.DEFAULT); try { InputStream in = new ByteArrayInputStream(decodedBytes); BufferedImage bImageFromConvert = ImageIO.read(in); ImageIO.write(bImageFromConvert, "png", new File( "E:/signature/signature.png")); } catch (IOException e) { e.printStackTrace(); } </code></pre>
Tags
Title
singulars
PostAcceptedAnswerId
1. This table or related slice is empty.
PostParentId
1. POConvert image to byte array and viceversa
 singulars
 PostTypePostTypeId
 PTQuestion
PostTypePostTypeId
1. PTAnswer
UserLastEditorUserId
1. This table or related slice is empty.
UserOwnerUserId
1. USPerception
plurals
PostLinksPostIdRelatedPostId
1. This table or related slice is empty.
PostLinksRelatedPostIdPostId
1. This table or related slice is empty.
PostsAcceptedAnswerId
1. POConvert image to byte array and viceversa
 singulars
 PostTypePostTypeId
 PTQuestion
PostsParentIdCreationDate
1. This table or related slice is empty.
VotesPostIdCreationDate
1. VO
 singulars
 PostPostId
 PO
 UserUserId
 This table or related slice is empty.
 VoteTypeVoteTypeId
 VTAcceptedByOriginator
2. VO
 singulars
 PostPostId
 PO
 UserUserId
 This table or related slice is empty.
 VoteTypeVoteTypeId
 VTUpMod
CommentsPostId
1. This table or related slice is empty.

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