83 questions
-2
votes
0
answers
42
views
How long does it take to develop an Android drawing app from scratch? [closed]
This question is addressed to people who have already developed on Android. I would like your opinion on the feasibility of a project.
As part of a proof of concept (POC), I would like to quickly ...
- 159
0
votes
0
answers
32
views
Stylus doesn't work in specific apps but works under some x11 and wayland apps
My Laptop has a wacom tablet and pen integrated in the internal screen (Lenovo Yoga 7 14AHP9 & Lenovo Digital Pen 2 (i already added Wacom 5360 to libwacom for gnome settings to recognise it)). ...
- 192
0
votes
0
answers
40
views
When using stylus, pointermove event does not update target upon entering child [duplicate]
In the snippet below, the circle disappears if either (1) I click inside the circle and move the mouse or (2) I click outside the circle and move the cursor into the circle while holding down the ...
- 153
0
votes
0
answers
74
views
How to reproduce the pressure, tilt, orientation in line stroke of the Path using a Stylus Pen in Kotlin?
I followed this instructions
(https://developer.android.com/codelabs/large-screens/advanced-stylus-support#3
to draw on the Android Tablet screen with Stylus Pen.
I am using a Samsung Tab S6 Lite with ...
- 731
2
votes
1
answer
242
views
Pen pointer events in Linux Chrome and Firefox not working as intended
I'm writing a cross-platform JavaScript-based drawing tool and run into severe problems on Linux.
First, Google Chrome's pointer events do not distinguish between the regular tip and the eraser end.
...
- 55
1
vote
1
answer
206
views
Scrollbar direction inverted when using a stylus in Chrome
Scrollbars generated by CSS-"overflow" work as usual with the mouse but work in an inverted direction when using a stylus. With a stylus, the handle of such a scrollbar cannot be dragged at ...
- 55
0
votes
0
answers
65
views
Capturing Windows Ink/Stylus events from a background process
While learning how to draw, a common concept that comes up is "mileage". I have a Surface Pro and thought it would be fun to make a simple tray app that would actually track the distances ...
- 958
1
vote
0
answers
95
views
On an EMR android tablet (wacom stylus) can touch events be handled silmultaneously to touch events?
This is a duplicate to a question left unanswered and probably un-understood from another OP.
On an Adroid tablet equipped with wacom's EMR stylus technology, while detecting touch events, a ...
- 504
0
votes
0
answers
220
views
How to implement Stylus Hover Pointer in AOSP?
I am very new to AOSP and I want to implement Stylus Hover Pointer Code like it is in Samsung S-Pen.
I did explore on the native code and was not able to make any progress as most of the code was ...
0
votes
0
answers
77
views
Create a WPF RawStylusInput event?
I have a custom hardware device, which reports some coordinates through custom API.
What I wanted
I want to show hardware coordinates on WPF as ink, in real-time.
My thoughts
Reading Creating an Ink ...
- 947
-1
votes
1
answer
73
views
Photoshop toolbar sliders have huge increments when sliding with stylus
Are there more than brush and opacity settings for a stylus in photoshop?
I recently hooked up a Huion 24" 4k display tablet to run with photoshop on my Windows PC. Works great so far but when ...
- 27
1
vote
1
answer
181
views
S-Pen forces menu list to jump back to the top
The S-Pen does not scroll properly with a MenuDropDownListView after being created when pressing an OverflowMenuButton on the Toolbar (see gif below).
The menu is forced back to the top when the S-Pen ...
1
vote
1
answer
1k
views
PointerEvent stops firing after a short time
I'm currently trying to get a similar touch/stylus behaviour to Squid (the notetaking app). I have used the PointerEvent API and it all works, except for one annoying issue:
After I put down the ...
- 192
3
votes
1
answer
606
views
flutter detect pointer device kind
I want to draw on screen only when the stylus pen device is used and should not detect any finger input in flutter Here is the image
I am using this package https://pub.dev/packages/painter.
please ...
- 31
0
votes
1
answer
154
views
Algorithm to predict pen/mouse input
I'm looking for an appropriate algorithm that reliably predicts input coordinates given by a digital stylus (e.g. Surface Pen). In my application, I'm given the coordinates of the input as x and y ...
- 913
0
votes
1
answer
355
views
How can I work around strange S Pen bugs with the spinner?
When using a Spinner with all default settings, I found some weird bugs when using the S Pen:
If you open the spinner and hover the S Pen at the bottom of the list, so it scrolls to the bottom, and ...
- 6,039
1
vote
1
answer
624
views
Stylus pen input not working on Unity android
I have a problem that I cannot input using the Stylus pen in Unity Android.
When the Stylus pen touches the screen, the first OnPressDown event is called, but then OnPressUp is not called, and all pen ...
1
vote
1
answer
2k
views
Is the "S Pen remote SDK" a replacement for the "S Pen SDK"?
In my KitKat-era Android app I used the S Pen SDK v. 2.3 by adding libspen23.jar to <proj>/libs/.
Meanwhile (2013 -> 2020), Samsung seems to have adopted a new name. The Spen SDK is no longer ...
- 10.8k
0
votes
0
answers
188
views
Identify stylus barrel button (win32)
I am creating an application that uses the tablet API for windows and so far I was able to capture the input of the stylus succesfully. I am able to handle the movement, stylus down and up events and ...
- 764
1
vote
1
answer
2k
views
How do I get pen pressure values in Unity (using S Pen on Android)?
I've looked everywhere and there's no actual examples or tutorials regarding using tablet pens with Unity.
I tried using the GetTouch function I found on a forum just to see if that would work:
float ...
- 567
0
votes
1
answer
321
views
Stop ImageButton tooltip from appearing on hover through a fragment
Currently I observe a strange behavior of showing a tooltip "through" a fragment and I have no idea how to get rid of it. Any idea or hint would be appreciated!
I have an ImageButton with ...
- 456
4
votes
1
answer
1k
views
How to handle Samsung S-Pen button event in the browser (Javascript)?
I'm developing a web app for the Galaxy Tab S3 that allows the user to draw with a Samsung S-Pen. The S-Pen has a button on the side which I know can be used by native Android applications to perform ...
- 83
1
vote
1
answer
181
views
Windows 10 : Pen (stylus) not working on MFC application
I have an MFC application that works fine with Pen (Stylus) under Windows 7, but unfortunately, it does not work on Windows 10.
Under Windows 7, I am able to scroll vertically with the stylus ...
- 1,368
2
votes
0
answers
209
views
IStylusSyncPlugin not receiving data after windows loses focus
I am using IStylusSyncPlugin added to RealTimeStylus plugins to get X,Y,Pressure and timer tick from stylus. This works fine until the window on which I collect this data loses focus. After that, even ...
- 133
1
vote
2
answers
1k
views
How to handle Stylus/Pen input in QML
I am creating a simple drawing application and would like my app handle pen (stylus like Apple Pencil) input. The app is written in Qml/Qt Quick. I know that when using QWidgets you can handle tablet ...
- 913
0
votes
1
answer
138
views
Capture pen strokes using styluspoints
I am trying to use this to capture inkstrokes. When I try to run this code, it says missing assembly reference error. I searched over the internet and found it should work on using System.Windows.Ink ...
- 41
0
votes
0
answers
104
views
Compiling application using RTSCom / Windows Pen API with mingw application
I'm working on a GTK+ note taking application that heavily uses the stylus as an input. The stylus support in GTK+ is sadly really bad on Windows. (i.e. only Wacom pens are detected, excluding Surface ...
- 193
2
votes
0
answers
282
views
Where to find the low latency stylus API used by Squid?
Where can I find the low latency stylus API used by Squid application?
This is an excerpt from Android website mentioning it.
Page
The biggest and most beneficial effort was adding support for the ...
- 7,551
0
votes
1
answer
360
views
pen sdk SpenSurfaceView initiate androidruntime error
I'm trying to use the samsung spen sdk pen-v5.1.0_full.aar. The .aar file is put under /libs and added to the dependencies in build.gradle file.
I can initiate the spen fine (from com.samsung.android....
- 73
-1
votes
1
answer
551
views
API to check if SPEN is attached in phone or not?
I wonder if there is a way to programmatically detect if the pen is physically in the phone (Samsung Note 8/9)? Like getting readings directly from the sensor?
I am aware that there is the ...
- 73
1
vote
1
answer
89
views
Is there a way to know if pointer-events timestamps in chrome IOS is accurate than IOS native event with stylus pen?
I'm collecting points throught html canvas with javascript in Chrome IOS. I need to understand how pointer-event timestamp are generated and compared them to IOS native event timestamp.
In Chrome IOS ...
- 113
8
votes
2
answers
5k
views
How can I access tablet pen data via Python?
I need to access a windows tablet pen data (such as the surface) via Python. I mainly need the position, pressure, and tilt values.
I know how to access the Wacom pen data but the windows pen is ...
- 227
3
votes
1
answer
542
views
How To Custom Render UWP Wet Ink
In WPF, you could override the OnDraw to create a custom geometry to render as the 'wet' ink, although it increases latency quite a bit since you're not using the geometry provided and already ...
- 80
2
votes
0
answers
419
views
How to allow both stylus/pen and fingers touch for scrolling WPF Scrollviewer
We developed a WPF application that can be opened in tablets. However the scroll viewer cannot be scrolled using pen/stylus, but can be scrolled using finger touch. How to support both?
<...
- 61
5
votes
1
answer
197
views
How to detect Pixelbook Pen button?
I follow the doc here to catch the button pressed on Pixelbook pen while drawing, but the TOOL_TYPE_ERASER event is never thrown. When I tried to print the log, I don't see any differences between ...
- 18.4k
1
vote
0
answers
97
views
Memory leak in Android Spen library
This is quite specific topic related to S Pen Library. However any Android developer can help with this.
I am working with S Pen library and trying to create PDF from .spd file.
For that I am using
...
- 774
5
votes
1
answer
6k
views
How to draw on a HTML5 canvas with a stylus
I used onmousedown, onmousemove and onmouseup events to draw with JavaScript on a HTML5 canvas object. Everything is working.
Now I want to replace the mouse with a sylus (Wacom Intous Pro)
Therefore ...
- 53
1
vote
1
answer
713
views
Samsung S-Pen SDK - Selecting All User Input Strokes Programmatically
Using the official sample app :
http://developer.samsung.com/galaxy/pen
and specifically in the demo example PenSample5_6_TextRecognition..
There are two tools; brush to draw strokes and selection ...
- 348
0
votes
1
answer
404
views
Stylus pen not firing events for InkCanvas in Windowss 10
I have a Dell Latitude 5285 with a paired Dell Active Stylus (PN556W). I was working on a UWP test app for trying new things where I happened to notice the Stylus does not kick off any events tied to ...
- 101
6
votes
5
answers
11k
views
How to disable "air command" on Android devices?
Hi, I've developed an application using a stylus (e.g., Samsung pen).
As you know, when we click a button on the stylus, "Air command" (pop-up window) appears.
My goal is "Overriding the air command ...
- 246
0
votes
0
answers
154
views
Drag images on website with stylus/pen
I want to write an app based on JavaScript that enables users to drag&drop images on a site into a <canvas>. There is a code example here and it's working quite well - with a mouse. The same ...
- 2,664
1
vote
1
answer
190
views
Samsung Note 3: Activity Memory Leak after pressing SPen side button
Without implementing any SPen related SDK libraries, a memory leak occurs on an AppCompatActivity extended class.
The following sequence of events typically triggers the memory leak:
The user presses ...
- 496
2
votes
2
answers
2k
views
Is it possible to detect a passive stylus in a web browser
I was wondering if you can detect that an event comes from a passive pen from modern web browsers.
For example on a surface hub, in Edge, you have event.pointerType === 'pen' to distinguish touches ...
- 51
1
vote
0
answers
56
views
SPen - force commit action with commitHistory()
I am trying to draw a line between two points without releasing the pen from the screen and remove the rest of the line which is not between these two points.
Problem is if I don’t make an action up ...
- 149
3
votes
1
answer
3k
views
Simulating Apple pencil in the simulator seems to be possible somehow
I was wondering if it is possible to simulate the Apple pencil in the iOS simulator.
According to an Apple emloyee here Xcode iOS Simulator: can I use the mouse as pretend Apple Pencil input (on iPad ...
- 779
7
votes
2
answers
4k
views
Xcode iOS Simulator: can I use the mouse as pretend Apple Pencil input (on iPad Pro), for testing?
Is it possible to do this (with a menu, a shortcut, or a modifier key + mouse)?
For example, you can use the mouse to test simple touch gestures in the simulator, like left mouse acts as single ...
- 7,268
0
votes
2
answers
1k
views
Disable scrolling with stylus on iPad
I am trying to cancel scrolling on UIScrollView if it's coming from stylus (Apple Pencil).
Any Advice?
- 1,896
0
votes
1
answer
1k
views
Fedora: Stylus Pen not working
I have an acer switch alpha, and both Ubuntu and Debian worked flawlessly with the stylus. But I cannot get it to work at all on Fedora which is my preferred OS.
What works:
Hovering
Clicking on ...
- 81
0
votes
3
answers
272
views
How to disallow Scrollview scrolling through stylus?
I have custom scrollview written which is working fine without stylus from Tablets.
When using Tablet stylus this customScrollview is allowing stylus to perform scrolling even when Scrolling is ...
- 1,830
0
votes
1
answer
574
views
How to handle Apple Pencil events in Qt?
Has anyone figure out how to get events from Apple Pencil in Qt-5.7+? It looks like it sends a single QEvent.TouchBegin just like a finger, but no QEvent.TouchUpdate, and so also no pressure values.
...
- 3,097