iOS Question Have they signed?

David Elkington

Active Member
Licensed User
Longtime User
Hi All,

I'm using the B4XDialog and B4XDialoSignatureTemplate and it works well. I was wondering if there was a way of checking if they actually made a mark and not just hit the green tick. Also, is there a way of swapping the tick and the cross around? For me, the right hand icon would be better as the tick.
 
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Erel

B4X founder
Staff member
Licensed User
Longtime User
You can change the buttons order with:
B4X: 
Dialog.ButtonsOrder = Array As Int(XUI.DialogResponse_Cancel, XUI.DialogResponse_Positive, XUI.DialogResponse_Negative)
Or any other order you like.

David Elkington said:
if there was a way of checking if they actually made a mark
Click to expand...
Upgrade to XUI Views v2.47 and change check Signature.NumberOfPoints
 
Last edited:
Upvote 0

David Elkington

Active Member
Licensed User
Longtime User
Except now, when I try and set the colours it gives an error

B4X: 
Dialog.Title=lbl.text & " - Please Sign Below"   
Dialog.ButtonsOrder = Array As Int(xui.DialogResponse_Cancel, xui.DialogResponse_Negative,xui.DialogResponse_Positive)
Dialog.GetButton(xui.DialogResponse_Cancel).TextColor = xui.Color_Red
Dialog.GetButton(xui.DialogResponse_Positive).TextColor = xui.Color_Green
Dialog.ButtonsFont = xui.CreateFontAwesome(20)

Wait For (Dialog.ShowTemplate(SignatureTemplate, Chr(0xF00C), Chr(0xF00D),"")) Complete (Result As Int)



Error:

Application_Active
Error occurred on line: 213 (B4XDialog)
Object was not initialized (UIView)
Stack Trace: (
CoreFoundation 58500388-BF36-397C-84CF-17315A3445B6 + 1217992
libobjc.A.dylib objc_exception_throw + 60
CoreFoundation 58500388-BF36-397C-84CF-17315A3445B6 + 124480
GTMS -[B4IObjectWrapper object] + 144
GTMS -[B4XViewWrapper asPanelWrapper] + 68
GTMS -[B4XViewWrapper GetAllViewsRecursive] + 24
GTMS -[b4i_b4xdialog _getbutton::] + 596
CoreFoundation 58500388-BF36-397C-84CF-17315A3445B6 + 1239156
CoreFoundation 58500388-BF36-397C-84CF-17315A3445B6 + 7076
GTMS +[B4I runDynamicMethod:method:throwErrorIfMissing:args:] + 1528
GTMS -[B4IShell runMethod:] + 448
GTMS -[B4IShell raiseEventImpl:method:args::] + 1648
GTMS -[B4IShellBI raiseEvent:eventarams:] + 1580
GTMS -[B4ICommon CallSub4::::] + 312
GTMS -[B4ICommon CallSub3:::::] + 444
GTMS -[ResumableSub_customlistview_PanelClickHandler resume::] + 1944
GTMS -[b4i_customlistview _panelclickhandler:] + 184
GTMS -[b4i_customlistview _panel_click] + 224
CoreFoundation 58500388-BF36-397C-84CF-17315A3445B6 + 1239156
CoreFoundation 58500388-BF36-397C-84CF-17315A3445B6 + 7076
GTMS +[B4I runDynamicMethod:method:throwErrorIfMissing:args:] + 1528
GTMS -[B4I raiseEvent:eventarams:] + 520
GTMS __33-[B4I raiseUIEvent:eventarams:]_block_invoke + 56
libdispatch.dylib FFC93E7E-8360-32A0-9EB5-FE3761B8C90A + 10836
libdispatch.dylib FFC93E7E-8360-32A0-9EB5-FE3761B8C90A + 18412
libdispatch.dylib _dispatch_main_queue_callback_4CF + 884
CoreFoundation 58500388-BF36-397C-84CF-17315A3445B6 + 668152
CoreFoundation 58500388-BF36-397C-84CF-17315A3445B6 + 643280
CoreFoundation CFRunLoopRunSpecific + 600
GraphicsServices GSEventRunModal + 164
UIKitCore 186C18FD-1082-3811-A761-88E8376C7E69 + 12363748
UIKitCore UIApplicationMain + 168
GTMS main + 128
libdyld.dylib B08AB7C2-64E8-3937-9487-C33D0175FD34 + 7416
)
 
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Erel

B4X founder
Staff member
Licensed User
Longtime User
You should only call GetButton after you showed the dialog. The buttons are not available before.
B4X: 
Dim rs As Object = Dialog.ShowTemplate(SignatureTemplate, Chr(0xF00C), Chr(0xF00D),"")
Dialog.GetButton(xui.DialogResponse_Cancel).TextColor = xui.Color_Red
Dialog.GetButton(xui.DialogResponse_Positive).TextColor = xui.Color_Green
Wait For (rs) Complete (Result As Int)
 
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