@cvp, @ccc
Thank you very much, try; except I had not thought 🙈

Hi guys,

I have a problem when using the camera.
I have used the following code which I had from here:

def scanner_app(self, label_text):
        #FUNKTION captureOutput_didOutputMetadataObjects_fromConnection_
        def captureOutput_didOutputMetadataObjects_fromConnection_(_self, _cmd, _output, _metadata_objects, _conn):
            global scannerCode
            objects = ObjCInstance(_metadata_objects)
            for obj in objects:
                s = str(obj.stringValue())
                if s not in scannerCode:
                    scannerCode = s
            scannerView.close()

        global scannerCode
        scannerCode = ''

        AVCaptureSession = ObjCClass('AVCaptureSession')
        AVCaptureDevice = ObjCClass('AVCaptureDevice')
        AVCaptureDeviceInput = ObjCClass('AVCaptureDeviceInput')
        AVCaptureMetadataOutput = ObjCClass('AVCaptureMetadataOutput')
        AVCaptureVideoPreviewLayer = ObjCClass('AVCaptureVideoPreviewLayer')
        dispatch_get_current_queue = c.dispatch_get_current_queue
        dispatch_get_current_queue.restype = c_void_p
        
        MetadataDelegate = create_objc_class('MetadataDelegate', methods=[captureOutput_didOutputMetadataObjects_fromConnection_], protocols=['AVCaptureMetadataOutputObjectsDelegate'])
        
        delegate = MetadataDelegate.new()
        scannerView = ui.View(frame=(0, 0, self.WIDTH, self.HEIGHT))
        scannerView.name = 'QR Code Scannen'
        session = AVCaptureSession.alloc().init()
        device = AVCaptureDevice.defaultDeviceWithMediaType_('vide')
        _input = AVCaptureDeviceInput.deviceInputWithDevice_error_(device, None)
        if _input:
            session.addInput_(_input)
        else:
            print('Failed to create input')
            return
        output = AVCaptureMetadataOutput.alloc().init()
        queue = ObjCInstance(dispatch_get_current_queue())
        output.setMetadataObjectsDelegate_queue_(delegate, queue)
        session.addOutput_(output)
        output.setMetadataObjectTypes_(output.availableMetadataObjectTypes())
        prev_layer = AVCaptureVideoPreviewLayer.layerWithSession_(session)
        prev_layer.frame = ObjCInstance(scannerView).bounds()
        prev_layer.setVideoGravity_('AVLayerVideoGravityResizeAspectFill')
        ObjCInstance(scannerView).layer().addSublayer_(prev_layer)
        label = ui.Label(frame=(0, 0, self.WIDTH, 30), flex='W', name='label')
        label.background_color = (0, 0, 0, 0.5)
        label.text_color = '#ffffff'
        label.text = label_text
        label.alignment = ui.ALIGN_CENTER
        scannerView.add_subview(label)
        session.startRunning()
        scannerView.present('fullscreen')
        scannerView.wait_modal()
        session.stopRunning()
        delegate.release()
        session.release()
        output.release()
        scannerView.close()
        return scannerCode 

As you can see in this video:
https://imgur.com/a/VDNN8A1

Crashes the camera immediately call again....
The problem I have with an iPhone 11 Pro IOS 15.6.1 on my other iPhone XS IOS 15.6.1 it goes without problems....

Maybe someone can take a look at the problem and help me.

Thanks in advance!

@cvp said:

@DavinE please, try as method of an ui.View

  def get_screen_size(self):              
      app = UIApplication.sharedApplication().keyWindow() 
      for window in UIApplication.sharedApplication().windows():
          ws = window.bounds().size.width
          hs = window.bounds().size.height
          break
      return ws,hs

@cvp my friend, this works wonderfully

Thanks a lot :D

Hi guys,

I need some help for my code example....
I am using ui.get_screen_size() to get my width and height.... but when i use the iPad in split screen the width and height is not correct... in my case both 1366 (width)

Is there a way to solve this here ?

@cvp said:

@ihf I'm back from vacation but I brought the Covid with me 😢, thus I'll need some time before I'm really back on the ScrollView version.

Get well soon @cvp

@JonB said:

Are you pulling the data from MySQL from your datasource ? Why not set up your query so you get a sorted list.

Or, are you passing in a list? In that case, just use sort or sorted instead before assigning to your datasource items.

If the issue is that you have
1
10
2

And you want these sorted as numbers, rather than as alphabetical strings, then you need to sort on a key that converts to int first.

i missed: ORDER BY barcode ASC lol....

this works now.

I have two other Questions for it.

Pic

1. Is it possible to sort the Numbers correctly ? Image: 30/00001 then 30/00070 ?
2. Can i set the TableView Height to my Keyboard ?

@cvp said:

@DavinE said

But the whole thing is displayed in the Console

You only have to replace 'panel' by 'fullscreen' and display will be done in normal ui.View

oh, okay if that's all it is, I'll take a look.

@JonB said:

@cvp you might consider a search controller, which behaves the way one expects in iOS

https://github.com/tdamdouni/Pythonista/blob/master/_2017/SearchableTable.py

Yes that is of course nicer...
But the whole thing is displayed in the Console... and I can not really understand the whole thing 🙈
So that a customization would be modest for me....
Will test it with @cvp's example and try.

@cvp said:

@DavinE please try this quick and dirty example

import ui

class MyView(ui.View):
  def __init__(self,w,h):
      self.width = w
      self.height = h
      
      # init existing codes
      self.codes = ['1','2','25','2587','2549','256625/10000','3','33','4','44/45']
      
      # TextField for search
      search_width = self.width - 100
      search_text = ui.TextField(name='search_text')
      search_text.text = ''
      search_text.width = search_width - 100
      search_text.height = 32
      search_text.x = (self.width - search_width)/2
      search_text.y = 10
      search_text.border_color = 'blue'
      search_text.border_width = 3
      search_text.text_color = 'blue'
      search_text.keyboard_type = ui.KEYBOARD_DEFAULT
      search_text.autocorrection_type = False
      search_text.alignment = ui.ALIGN_LEFT
      search_text.clear_button_mode = 'while_editing'
      search_text.font= ('Helvetica',20)
      search_text.delegate = self
      self.add_subview(search_text)
      
      # ListDataSource for search TableView
      found_codes = ui.TableView(name='found_codes')
      found_codes.allows_multiple_selection = False
      found_codes.text_color = 'black'
      found_codes.font= ('Courier',12)
      found_codes.row_height = 50
      found_codes.x = search_text.x
      found_codes.y = search_text.y + search_text.height + 10
      found_codes.width = search_width
      found_codes.height = self.height - 130
      found_codes.border_color = 'blue'
      found_codes.border_width = 3
      found_codes.data_source = ui.ListDataSource(items=[])
      self.add_subview(found_codes)
      
  def textfield_did_change(self, field):
      txt = field.text
      lst = []
      for code in self.codes:
          if txt and code.startswith(txt):
              lst.append(code)
      self['found_codes'].data_source.items = lst

def main():
  w, h = ui.get_screen_size()
  my_back = MyView(w,h)
  my_back.background_color='white'
  my_back.name = 'for @DavinE'
  my_back.present('fullscreen',hide_title_bar=False)

# Protect against import  
if __name__ == '__main__':
  main()

Yes, that's exactly what I meant.
With it I can try the days once around 👍