OCR, FaceRecognition, BarcodeScanner using Google Vision

• BarcodeDetector
  
  • Events:
    • onBarcodeResult (success As Boolean, info As String, result As List)
    • Result (info As String, scanresults As List)
  • Functions:
    • decodeBitmapUri (ctx As android.content.Context, uri As android.net.Uri) As android.graphics.Bitmap
      
    • detect (frame As com.google.android.gms.vision.Frame)
      
    • Initialize (EventName As String)
      
    • launchMediaScanIntent
      
    • receiveFrame (frame As com.google.android.gms.vision.Frame)
      
    • release
      
    • scanBitmap (b As android.graphics.Bitmap)
      
    • setFocus (focus As Int) As Boolean
      
    • takePicture
      
  • Properties:
    • isOperational As Boolean [read only]
      
• FaceDetector
  
  • Events:
    • onFaceDetectResult (success As Boolean, result As String)
    • Result (info As String, scanresults As List)
  • Functions:
    • decodeBitmapUri (ctx As android.content.Context, uri As android.net.Uri) As android.graphics.Bitmap
      
    • detect (frame As com.google.android.gms.vision.Frame)
      
    • Initialize (EventName As String)
      
    • launchMediaScanIntent
      
    • receiveFrame (frame As com.google.android.gms.vision.Frame)
      
    • release
      
    • scanBitmap (b As android.graphics.Bitmap)
      
    • setFocus (focus As Int) As Boolean
      
    • takePicture
      
  • Properties:
    • isOperational As Boolean [read only]
      
• TextRecognizer
  
  • Events:
    • onOCRScanResult (success As Boolean, result As String)
    • Result (info As String, blocks As String, lines As String, words As String, scanresults As List)
  • Functions:
    • decodeBitmapUri (ctx As android.content.Context, uri As android.net.Uri) As android.graphics.Bitmap
      
    • detect (frame As com.google.android.gms.vision.Frame)
      
    • Initialize (EventName As String)
      
    • launchMediaScanIntent
      
    • receiveFrame (frame As com.google.android.gms.vision.Frame)
      
    • release
      
    • scanBitmap (b As android.graphics.Bitmap)
      
    • setFocus (focus As Int) As Boolean
      
    • takePicture
      
  • Properties:
    • isOperational As Boolean [read only]
      
    • Processor As com.google.android.gms.vision.Detector.Processor [write only]
      

** Activity (main) Pause, UserClosed = true **
** Activity (main) Create, isFirst = false **
** Activity (main) Resume **
Start Recognize... Recognizer ready = true
** Activity (main) Pause, UserClosed = false **
sending message to waiting queue (OnActivityResult)
running waiting messages (1)
ResultArrived(-1)
ResultArrived()
arg0 = -1
** Activity (main) Resume **
java.lang.Exception: Sub txtrecognizer_onscanresult was not found.
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:192)
at anywheresoftware.b4a.BA$2.run(BA.java:360)
at android.os.Handler.handleCallback(Handler.java:751)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6692)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1468)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1358)

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DonManfred said:

setDocus

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java.lang.Exception: Sub txtrecognizer_onscanresult was not found.

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mczubel said:

No, The same error

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TxtRecognizer_onScanResults(false,Scan Failed: Found nothing to scan)

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--------- beginning of system
** Activity (main) Create, isFirst = false **
** Activity (main) Resume **
Start Recognize... Recognizer ready = true
** Activity (main) Pause, UserClosed = false **
sending message to waiting queue (OnActivityResult)
running waiting messages (1)
ResultArrived(-1)
ResultArrived()
arg0 = -1
** Activity (main) Resume **
TxtRecognizer_onScanResults(true,Blocks:
MarcoRome likes this,
s i wrote. I did not get any results as yet with the Textrecognizer.
Donate
Multipart Fileupload bAA S PHP IC
a I My Libraries
Create dynamic
Okay, this is the log now:
- TxtRecogni
is a simple text:"Documentacion con vencimiento" in a white paper.
pnScanResults(false, Sc an Failed: Found nothing to scan)
---------
Lines:
MarcoRome likes this,
s i wrote. I did not get any results as yet with the Textrecognizer.
Donate
Multipart Fileupload bAA S PHP IC
a I My Libraries
Create dynamic
Okay, this is the log now:
- TxtRecogni
is a simple text:"Documentacion con vencimiento" in a white paper.
pnScanResults(false, Sc an Failed: Found nothing to scan)
---------
Words:
MarcoRome, likes, this,, s, i, wrote., I, did, not, get, any, results, as, yet, with, the, Textrecognizer., Donate, Multipart, Fileupload, bAA, S, PHP, IC, a, I, My, Libraries, Create, dynamic, Okay,, this, is, the, log, now:, -, TxtRecogni, is, a, simple, text:"Documentacion, con, vencimiento", in, a, white, paper., pnScanResults(false,, Sc, an, Failed:, Found, nothing, to, scan),
---------
)
** Activity (main) Pause, UserClosed = false **

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Start Recognize... Recognizer ready = true
** Activity (main) Pause, UserClosed = false **
sending message to waiting queue (OnActivityResult)
running waiting messages (1)
ResultArrived(-1)
ResultArrived()
arg0 = -1
** Activity (main) Resume **
TxtRecognizer_onScanResults(true,Blocks:
t
01985
7428
---------
Lines:
t
01985
7428
---------
Words:
t, 01985, 7428,
---------
)
** Activity (main) Pause, UserClosed = false **

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Chicao99 said:

Always getting "Face_onFaceDetectResult(false,Scan Failed: Found nothing to scan)", any suggestions?
Regards.

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sdujolo said:

I get the same error

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wes58 said:

I wouldn't be surprised that this is the same issure I posted in Johan's thread about OCR.
Are you taking the photo with camera in Portrait? If so, the problem probably is the way the camera saves the picture, and it need to be

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