B4A Library Steganography

Steganography

Hide arbitary data into an image

B4ASteg
Author: jamie8763
Version: 1

• 
  
  • 
    Fields:
    • HEADER_SIZE As int
    Methods:
    • createHeader (size As long) As byte[]
    • encode (inBitmap As android.graphics.Bitmap, bytes As byte[]) As android.graphics.Bitmap
    • bytesToLong (bytes As byte[]) As long
    • printBinaryString (bytes As byte[]) As java.lang.String
    • decode (inBitmap As android.graphics.Bitmap) As byte[]
  • 
    Methods:
    • createTestBitmap (w As int, h As int) As android.graphics.Bitmap
      Create a bitmap of specific size with a random color
      w: - width
      h: - height
      Return type: @return:- bitmap of random(ish) color
  • 
    Methods:
    • intoFile (path As java.lang.String) As java.io.File
    • intoByteArray As byte[]
    • intoString As java.lang.String
  • 
    Methods:
    • intoFile (path As java.lang.String) As java.io.File
    • intoBitmap As android.graphics.Bitmap
  • 
    Methods:
    • encode (file As java.io.File) As com.stealthcopter.steganography.EncodedObject
    • withPassword (key As java.lang.String) As com.stealthcopter.steganography.Steg
      
      key: - Additional password to encrypt the data with (or decrypt)
    • withInput (filePath As java.lang.String) As com.stealthcopter.steganography.Steg
    • decode As com.stealthcopter.steganography.DecodedObject
    • withRandomInput As com.stealthcopter.steganography.Steg
  • 
    Methods:
    • runTests As void
  • 
    Methods:
    • decompress (compressed As byte[]) As java.lang.String
    • compress (string As java.lang.String) As byte[]
  • B4ASteg
    Methods:
    • encode (bitmaps As android.graphics.Bitmap, hiddenMessage As java.lang.String) As android.graphics.Bitmap
    • decode (bitmaps As android.graphics.Bitmap) As android.graphics.Bitmap
    • unittestb4a As void

 

[DonManfred]

support-annotation jar is not needed.
You should instead add a reference to com.android.support:support-v4
Add this to the b4a project

#AdditionalJar: com.android.support:support-v4