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<p><strong>Xamarin forms gesture recognizer. I want to display full screen image with ability to zoom the image when user click on image. 0 Combine TapGestureRecognizer and PanGestureRecognizer in Mar 1, 2016 · The simplest method is to disable the element that's triggering the tap event. ICommand Command { get; set; } For internal use by the Xamarin. Forms. You can achieve this by following the example below: var tapRecognizer = new TapGestureRecognizer(); tapRecognizer. GestureRecognizers. />. Tapped += okBtn_Click; Aug 2, 2018 · Description On Android, if the view that holds a pan gesture recognizer is affected by a layout change while the pan is running, then the TotalX and TotalY values are incorrect. Sep 20, 2018 · Now if we just remove ui:Gesture. One or more fingers have been placed on the screen for the defined duration but the fingers have not released yet. e. user); } Command. Command. I added this to the scrollview which contains all the views in my page but you can add it to any view you want: <ScrollView. See Bug 38158 for a workaround. var gestureRecognizer = new Oct 8, 2020 · 3. cs file. Dec 5, 2019 · 2. If MapPageViewModel is a view model (like its name suggests), then it should not have any members that are views. Feb 16, 2021 · 0. If I put the Command directly inside the button (ButtonB below) then it does register. Jun 24, 2022 · Description. I was thinking of implementing more GestureRecognizers. Solution: Remove the ScrollView from Root StackLayout, then the swiping will work. Tapped += async (s,e) =>. Get label from a stacklayout with a Tap Gesture Recognizer. If we are using the same command or event handler for multiple elements Sep 16, 2017 · Pass Parameters to Tap Gesture Xamarin Forms. - Point Velocity. Dec 16, 2022 · Obtaining the point at which drag-and-drop gesture is dropped 0 Getting mouse coordinates relative to target control in drag/drop operations Xamarin. 8). XamarinFormsGesture NuGet package and for pinch and pan used xamarin forms Gesture Recognizer Can anyone help Jun 28, 2019 · Xamarin Forms - Tap Gesture Recognizer Equivalent. Browse code. Nov 17, 2021 · Templates for building iOS, Android, and Windows apps with Xamarin and Xamarin. Gesture Recognizer Xamarn. Remarks. Forms Api tha you provide, there is only TapGestureRecognizer. Dec 12, 2018 · You can set a duration of the long press required to trigger the command, or leave it by default = 500ms. If this is still important to you, make sure to check the . Jan 6, 2022 · Xamarin. GestureRecognizers>. Two new bindable properties: /// <summary>. <TapGestureRecognizer NumberOfTapsRequired="1" Tapped="Handle_Tapped" />. Forms platform. But not for WinRT or UWP. <TextCell Text="TextCell 1">. Aug 29, 2018 · Basically I have a list view item template that involves a grid with a tap gesture recognizer. Jul 22, 2023 · TapGestureRecognizer doesn’t work for Span inside Label(FormattedText). cs. Forms swipe gesture recognizer. public uint Threshold { get; set; } member this. SwipeListener swipeListener = new SwipeListener(lbl_swipe, this); Step 3: Implement the ISwipeCallBack interface. Forms Shape is a View, and a View is rectangular, adding a TapGestureRecognizer to a Shape will trigger the Tap for the View Jul 30, 2018 · Gesture recognizers in a TextCell is a XAML bindable property that can takes a GestureRecognizor as its Parameter So What you need to do is something like this : <TableRoot>. Event that is raised when the user taps. Aug 3, 2018 · IsLongPressing. ComponentModel; namespace Xamarin. This class defines the following properties: This class defines the following properties: CanDrag , of type bool , which indicates whether the element the gesture recognizer is attached to can be a drag source. answered Feb 16, 2021 at 8:06. C#. public System. xamarin forms - bind TapGestureRecognizer to code-behind rather than view model. View' What I basically want to do is to add an argument to the function that handles the tap, and that argument is the keyword that gets passed to the API. However, I fail at the first fence, since if I put a Tap Command inside a GestureRecognizer (ButtonA below) then the event doesn't register. 9", the second parameter means the y (vertical) position of the view's anchor, you all set the 0, so it all start from the top of screen, this caused the overlapping. Tapped += plusBtn_Click; okTap. iOS and UWP do not have this problem. The Tap gesture would not work because CollectionView is different with BoxView or Label , CollectionView itself is able to receive action (click on item) ,so conflict will come out with external gestures. <Frame. Sample project --> https://github. 14. Threshold : uint32 with get, set Mar 16, 2018 · Xamarin. Forms : How to set Apr 8, 2016 · Custom Gestures In Xamarin Forms. For Tap event I used Vapolia. 1 1. I want to be able to, on tap and hold, add a pin to my map. 1. Thanks for all the help. Mode="Reveal" will just reveal the action button and you will have to click on it to execute the Command. 4. Since the bug does not affect the stacklayouts, the tap gesture recognizer is working. LongPressCommand="{Binding LongPressCommand}" Jun 19, 2018 · 6. CommandParameter. Forms, drag gesture recognition is provided by the DragGestureRecognizer class. Steps to Reproduce. Following are the code I'm using in the xaml and xaml. There are few steps which you should reproduce. 1. Cause2: It is necessary to add a child control (like Image or Label)to StackLayout , otherwise the swipe action will never been called . forms. AspectFit }; PictureProduct. <TapGestureRecognizer Tapped="Thing_Tapped" /> and in your code-behind: public void Thing_Tapped (object sender, EventArgs args) { // Do your thing } Jan 15, 2019 · How to use SwipeGesture and ScrollView together in Xamarin. I am using <TargetFrameworks>net7. ItemTemplate> <DataTemplate> still does not trigger from iOS (Xamarin Forms v. While a TapGestureRecognizer worked on the Span, they were really finicky on iOS. I have done like below. jBijsterboschNL mentioned this issue on Sep 11, 2020. Init. I search and I found some solutions. Forms has a bug here. Tapped += minusBtn_Click; plusTap. Forms is very new and very exciting, but for now I see that it has limited documentation and a few samples. Aug 6, 2018 · TapGestureRecognizer Improvements. The recognizer should be able to be used simultaneously on a view with other attached recognizers. Dec 6, 2017 · Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand Jun 7, 2014 · Looking at the Xamarin. Core. Jan 16, 2020 · Xamarin Forms Tap gesture recognizer Ios doesn't work. 0. When the Handle_Tapped is triggered, the page switches and I want to MessagingCenter to transmit the name of the grid. Parameter; Dec 5, 2019 · A little bit more about why this should be implemented: If we use IsEnabled on the element, the Grid in my example above, it will work if we will want to disable all gesture recognizers, but if we have multiple it will not work if we want to disable one of them for example. Since a Xamarin. Jan 20, 2017 · In my Xamarin app, based on a state, I need to add or remove pan/pinch gesture recognizers to Xamarin Forms view. iOS doesn’t raise events when a gesture recognizer matches a gesture. Cause1: Swipe action will conflict with scroll action if you put the stacklayout in a ScrollView . Copy. 2. <StackLayout. Gets or sets the direction of swipes to recognize. Declare the gesture recognizer in XAML as follows: I'm going to assume for now it ultimately inherits Xamarin. Android Reference Assemblies and MSBuild support. NumberOfTapsRequired = 2; tapGestureRecognizer. For image, stack layout and label I added the tap gesture event. In Xaml. Code Sample. For more information about this sample, see Adding a swipe gesture recognizer. 4,. 34. PushAsync(new AddServicePopup("edit"), true); }); } But in your code you're not using item so you can call the command without a CommandParameter. Windows. Row="1"&gt; &lt;StackLayout Orientation=" Jul 12, 2021 · Configure the target – Because of its Objective-C heritage, Xamarin. Just less finicky. This sample demonstrates how to use the SwipeGestureRecognizer class to recognize a swipe gesture. NullReferenceException on Android. xaml -->. Jul 8, 2021 · To make a user interface element moveable with the pan gesture, create a PanGestureRecognizer instance, handle the PanUpdated event, and add the new gesture recognizer to the GestureRecognizers collection on the user interface element. The solution for this issue is, to disable the GestureRecognizer of children-elements with the property "InputTransparent" like this: Sep 5, 2017 · App. GestureRecognizers> <TapGestureRecognizer Tapped="Preferences_Clicked" NumberOfTapsRequired="1"/> </StackLayout. <TapGestureRecognizer Command="{Binding HelpClickedCommand}" NumberOfTapsRequired="1" />. May 28, 2019 · Summary Today I implemented my own Tap and hold effect in order to tap and hold an item in a list to trigger a ICommand. Xamarin. LayoutBounds="9,0,. I want to provide event triggers when the view has moved a specified amount in the X direction, which requires the total displacement to be sent to my XAML page every time it is changed in the gesture recognizer class. If you prefer code, this would be the counterpart: var tapGestureRecognizer = new TapGestureRecognizer(); tapGestureRecognizer. Then define your Command and ICommand in your ViewModel ( suposing that you know how to do ) And in your xaml file, you can do something like this. Implement a new LongPressGestureRecognizer with the same API methods and properties as TapGestureRecognizer. View . <TapGestureRecognizer Command="{Binding YourCommandBinding1}" Dec 13, 2017 · The issue is the binding context for the header is the data the list is showing, not the view model. When we use NavigationPage and do PushAsync the Navigation stack will be maintained and you will get a back button in Actionbar for back navigation. IsTapping. // handle the tap. Craft a collection view and put a layout with a gesture recognizer inside an item data template. In your XAML, add a IsEnabled binding: ItemsSource="{Binding RetailerCode}" ItemDisplayBinding="{Binding DisplayText}" IsEnabled="{Binding CodePickerEnabled}" ~~~. 0-android;net7. Jul 25, 2021 · In this video I gave a demo about Touch Effects in Xamarin Forms. Command is not firing, even Tapped is not firing. Mar 2, 2020 · I'm looking to get Swipe and Tap events both working on a button in Xamarin Forms, using the Command pattern. <vm:MyViewModel />. Apr 19, 2018 · 2. aBtn; ResetTimer2(); }); your xaml: <TapGestureRecognizer Command="{Binding aButtonClickedCommand}"/>. Works fine in Android. Forms Tap Gesturer not responding. You have to place checkbox inside grid and place some box view with transparent background above checkbox and listen tapped event/command from box view. So to access the CommandParameter you would write the following: private void OnTapped(object sender, EventArgs e) {. Gets or sets the parameter to pass to commands that take one. Jul 29, 2019 · Supported now by the Toolkit yay! This will not happen anymore for Xamarin. Forms: TapGestureRecognizer doesn't work on iOS. View v, bool is Jun 17, 2018 · Gesture Recognizers should provide more information about the gesture event in the Pan/Pinch/Tapped (and hopefully swiped) UpdatedEventArgs. var te = (TappedEventArgs)e; string parameter = (string)te. If you do want to use Style to configure the TapGestureRecognizer, you can try to construct a customized label. Thanks, if you have a few moments could you explain a little bit more about the separate class you use. The problem is solved. IsGroupingEnabled="true". Canceled, or GestureStatus. I have a cross platform application that is built using Xamarin Forms. Forms { public interface IGestureRecognizer : INotifyPropertyChanged { } } Jun 24, 2019 · The Tapped event seems to be working. Gestures in xamarin. TranslationX; Jul 30, 2019 · 0. The application contains images grid. using System; using System. <TapGestureRecognizer NumberOfTapsRequired="1". <TableSection Title="First Section">. They should not be views themselves. May 24, 2017 · Seems a good idea but doesn't help to get for example the Text value of my brand name. (Inherited from Element) Id: Gets a value that can be used to uniquely identify an element through the run of an application. FromUri(); Label BrandName = new Label {Text = "HelloWorld"}; Label Description = new Label { Text = "Hello Jul 6, 2019 · Xamarin Forms - TapGestureRecognizer not working for iOS. public class ImageWithLongPressGesture : Xamarin. Without passing any arguments the code would look like as follows. <CheckBox. Code. if you want to add gesture to Xamarin. Dec 2, 2019 · I found a solution. May 25, 2018 · You can't set this GestureRecognizers property in the style. NumberOfTouches. correctButtonPressed = (int)App. The pan gesture works great and the menu slides in and out but if you move the mouse cursor outside of the application window it does not trigger GestureStatus. Give your list view a name then use that to change the binding context source for the command. 0. 1 & 10) platform? I see a lot of examples for renderers that do that for Android and iOS platform. It's also finicky on Android. Xamarin Forms only comes with a limited set of Gesture Recognizers, most notably the TapGestureRecognizer. Ensure that Talkback is enabled in the accessibility settings in Android. cs: public async void SigninPage(object sender, EventArgs args) { await… May 14, 2019 · To use absolute-layout correctly, you should read the document and understand how it works. I did not find any equivalent for a tap gesture recognizer but I was able to use a stacklayout instead of a frame. Android SDK 12. Forms - SwipeGesture. Бохир Ахмедов. (Inherited from Element) Effects: A list of the effects that are applied to this item. CommandParameter="{Binding . (Inherited from Element) LogicalChildren: For internal use by the Xamarin. ContentView-based UI objects programatically, then: var tr = new TapGestureRecognizer(); Jul 27, 2022 · Tap gesture will not directly work on checkbox, even if input transparent property is set to true. }" May 24, 2016 · @AkashAmin Well you could create a single ContentView in your code behind or where ever and add it into your XAML 3 times so that only 1 needs to be created. public partial class SwipeLibPage : ContentPage, ISwipeCallBack. com Jun 29, 2021 · 2. Gets or sets the command to run when a swipe gesture is recognized. get => new Command<CommandParameterType>((item) => { _popupNavigation. <TapGestureRecognizer NumberOfTapsRequired="1" Tapped="NumberCommand" CommandParameter="1"/>. {. But ONLY tapped event can be recognized ,gesture events cannot be captured (not firing). GestureRecognizers does not work inside a ListView. Add(tapGestureRecognizer) at the closing bracket of the StackLayout but it says Cannot implicitly convert type 'void' to 'Xamarin. Because GestureRecognizers is not a bindable property in the default Label. I've simplified the code below because it is not important. I have no clue as to how to work around this problem as it seems to be a bug in Xamarin. 01/07/2021. public ICommand EditServiceCommand. I set it to true in the code behind after the last image of carousel view is swiped right. The main features of Touch Effects May 15, 2018 · API Changes. I saw some nuget packages already there to achieve Jan 14, 2018 · 2. <TextCell. The problem is, that the elements inside a Grid or Stacklayout hides the GestureRecognizer of the Stacklayout/Grid. The Xaml: Feb 21, 2019 · Overall, I am attempting to add custom gestures to a custom map render in Xamarin and Android. One of those views is a scrollview, which I suspect to be the problem. Swiping on the scrollview works on iOS, but not on android. The Command to invoke when the gesture has been triggered by the user. 1) Inherit the control you need the gestures on (i. Forms - Button Pressed & Released Event. HorizontalOptions="StartAndExpand". Dec 1, 2017 · The gesture recognizer works simultaneously with other gestures on the page (otherwise, page gestures such as scrolling will prevent the swipe gesture from working unless the gesture is perfectly horizontal), but not itself (otherwise, one swipe will move across multiple pages). Many times you will want more than just that and hence here is how you implement a custom gesture recognizer. Sep 12, 2019 · I'm setting up a pan gesture recognizer that, when panning with two fingers, moves the view contained in it. Gestures is an excellent reference for what is needed) - Point DeltaDistance. It might work for your project. Add TapGestureRecognizer on platform Feb 13, 2021 · I have an Android 9 Xamarin Forms app (no iOS) in which I'm binding a ListView to an ObservableCollection<Comp>. Then pass the new Args on to another handler: public void Handle_PanUpdated(object sender, Xamarin. This was interesting so I tried it on a project I am working on. NET MAUI repo and see if it's already on the roadmap or open an issue with a detailed feature request. Make sure you create a swipe gesture for right and left each by declaring their direction. As you provided "IsVisible="False" when set to false it disappears from the screen. In this cause, you can call your method in the foucsed event: And in code behind: Console. I was wondering if you could make this a part of the shared Xamarin. When the image is double tapped, it will become semi-transparent. 0-ios;net7. I'm creating Xamarin. dll. However, it's not working for me now (Jan 6, 2022). xamarin forms dynamic image tapgesture recognizer control. Rather if we use PushModalAsync, the page will be presented modally. Updated Event Args. Tap Gesture Recognizer will work and Drag Drop will not work, Removing the Tap Gesture Recognizer makes the Drag Drop work. Here is some pseudo-code: public void enableGestures(Xamarin. Specified number of touches have come down and back up but it hasn't reached the number of taps required to be recognized as Tapped. 0-maccatalyst</TargetFrameworks> Oct 19, 2018 · Previously I logged an issue for Forms 3. In this example I will add the Pressed and Released events to a Xamarin Forms project. Gets or sets the minimum swipe distance that will cause the gesture to be recognized. Forms for Android? This question has been asked by many developers who want to create smooth and responsive user interfaces. Forms System. Xamarin Forms - TapGestureRecognizer not working for iOS. Apr 30, 2015 · Step 2: From your Xamarin forms pass the view & also interface obj. Jul 27, 2019 · The actual gesture recognizer is attached to a stacklayout, which is the parent of a number of other views. Aspect="AspectFit" HeightRequest="60". That should bind the command in your viewmodel to your label. GestureRecognizers> May 24, 2022 · Create you ViewModel file and define as BindingContext Example. PanUpdatedEventArgs e) {. /// Gets or sets the maximum movement in pixels before the gesture is cancelled. from there use a lambda to call the function you want activated for the specific swipe: Placeholder class for the Swipe Gestures. I'm trying to make an app with an interface similar to the "MasterDetailPage" one, but also having a right Flyout view, not only the left one. View model properties should be bound to views. Sep 13, 2016 · The Pan Gesture coordinates, contained in the PanUpdatedEventArgs, can be intercepted and recalculated to counter for the movement of the BoxView itself. <TapGestureRecognizer Command="{Binding Source={x:Reference PersonList}, BindingContext Nov 15, 2018 · Sure, just use the Tapped event. Jun 1, 2020 · I have tried adding . Aug 13, 2019 · I want to implement a Carousel view swipe gesture recognizer left or right Swipes. I have currently figured out how to add pins through a tap, but I want to change it to a long tap. This example creates a tap gesture recognizer and associates it with an image. This seems like a simple problem for something like list view, but there doesnt seem to be a built in functionality for this. Xamarin Forms Swipe Left/Swipe Right Gestures. Apr 18, 2019 · Use a Command whenever you want to handle some event in the ViewModel. xct:TouchEffect. Adding Drag and Drop Gesture Recognizer along With Tap Gesture Recognizer to the same control (Frame) will not work. Xamarin Forms Apr 28, 2018 · I have added a tap gesture recognizer to my StackLayout and I want to change the background color when it is tapped so that the user recognizes that the layout has been tapped <StackLayout. What i need is when user swipe left or right according to the swipe event i want to manage dot button opacity accordingly. May 4, 2016 · 1. Dec 14, 2016 · and here is how I try to catch the events from plus and minus ok and cancel images: var minusTap = new TapGestureRecognizer(); var plusTap = new TapGestureRecognizer(); var okTap = new TapGestureRecognizer(); var cancelTap = new TapGestureRecognizer(); minusTap. Nov 17, 2018 · Skip the tap gesture and in your ViewModel add a bool property that controls whether the Picker is enabled or not. In this example LongPressCommand will be fired/triggered after 2 seconds. Oct 2, 2019 · Xamarin Forms Tap gesture recognizer Ios doesn't work. ((View)s). Apr 7, 2021 · I'm using the back icon with the gesture to navigate to the previous page. Completed. Apr 30, 2015 · What you need to do is simple: in the renderer declare and add the gesture. This is not nessesary for elements which natively support input, such as a Button. In my case I pass the label. UIGestureRecognizer has a method – AddTarget – that can accept an anonymous delegate or an Objective-C selector with the code to execute when the gesture recognizer makes a match. I am not sure whether my databinding of the Command property to the VM is faulty or Xamarin. Another solution you can use is to typecast EventArgs to TappedEventArgs and expose the Parameter. SwipeItems. Gets or sets a value used to identify a collection of semantically similar elements. Heres the content of my stacklayout: Image PictureProduct = new Image { Aspect = Aspect. Forms - How to Implement Gesture Mar 17, 2020 · The tap gesture recognizer do not react to taps while talkback is enabled under android when placed inside a collection view. Touch Effects is a next level of Tap Gesture Recognizer. x:Name="PersonList">. id, post. Nov 24, 2020 · SwipeItems. Jul 6, 2017 · None of these seem to work. 2 about gesture recognizer on Spans. SwipeView is currently experimental, so remember to add the following line in your MainActivity class, before calling Forms. </ScrollView. Then an ad appears, which when swiped right should go back to Dec 11, 2021 · 1. And in the ViewModel IrrigNetPageViewModel. Essential information should include (Mr. Mode="Execute" will execute the command directly on swiping. The following code example shows a PanGestureRecognizer attached to an Image element: Jul 8, 2021 · In Xamarin. Thanks! jfversluis closed this as completed on Nov 30, 2021. If you set the IsReadOnly=false to entry, the TapGestureRecognizer won't work because it will get fouced when tap it and user can type something. (like the other gestures we have ava May 8, 2020 · TapGestureRecognizer within a frame, which is the parent view inside a <CollectionView> <CollectionView. Then you get result. 3 contributors. Adds an event to the Gesture Recognizer with additional information about the fingers causing the tap. <Grid>. Mar 22, 2017 · But because of the value in the NumberOfTapsRequired property, you will need a double tap to activate it. In your code, you set the left 3 AbsoluteLayout AbsoluteLayout. Oct 8, 2020 · UPDATE: If you need to only have the tap work when the actual triangle is being tapped, then you will need to do that in platform specific renderers and use the iOS/Android/UWP SDK APIs to do hit tests. For internal use by the Xamarin. . I've just tried a TapGestureRecognizer on a Span with Forms 3. If you need to use PushAsync, the parent Page should be a NavigationPage . Image, create you own ImageWithLongPressGesture class). I have tried different settings for the data binding of TapGestureRecognizer's Command property to my ViewModel and I have also played with the InputTransparent properties on the nested View Sep 1, 2017 · How to best implement a swipe gesture recognizer in Xamarin Forms for windows phone (8. 5 (d17-0/6b0e6b2) Xamarin. Jun 1, 2014 · Xamarin. Jun 17, 2020 · Xamarin forms: GestureRecognizers not responding well to tap, need multiple taps for opening the page. you need to tell the command what type item is. Forms code. Oct 4, 2019 · I have added a tap event for below UI. 7. Jun 5, 2017 · My question is regarding the PanGestureRecognizer on Xamarin. However, in the interface that you guy provide is . Adding items to this collection will associate gesture events with this element. Changing PushAsync to PushModalAsync will work. Make sure its parent content is visible. Apr 26, 2016 · In conclusion, this is a bug. NullReferenceException Declare the gesture recognizer in XAML as follows: <TapGestureRecognizer Tapped="TappedHandler" /> And create an event handler called TappedHandler in code-behind of the page: public void TappedHandler(object sender, EventArgs e) { ShowPostOptions(page, navigation, post. Source = FileImageSource. I've seen many posts on this over the past few years, and they all end with MSFT saying "fixed in latest version". Gets or sets the command to execute once the parameters of the gesture are met, no fingers move outside the allowable range, and then a finger is released. To solve the problem , we can set extra tap gesture on the inner collectionview . Then if all of the GestureRecognizers are the exact same, you could also attach the GestureRecognizer to the single ContentView instance and add the single instance to three different rows. <!-- in IrrigNetPage. WriteLine("lblTotalBasket_Focused-entry"); If you set the IsReadOnly=ture to entry, the Apr 23, 2017 · Surfing the internet I found the solution. Should be able to drag and drop the frame and also tap it. Forms, specifically on UWP. IsEnabled = false; // or reference the view directly if you have access to it. Input. double TranslationX = box. <TapGestureRecognizer Command="{Binding HideListOnTapCommand}"/>. I have added a tap gesture to a label and that seemed to work but the same does not work for list view items. It was an issue with 'InputTransparent="True"', after rebuilding the page step by step based on comments from ToolmakerSteve I was able to fix it. Inside each Comp instance is another ObservableCollection<CompEvent> (sporting events within a competition) and everything works just fine EXCEPT for TapGestureRecogniser inside the ViewCell which is totally ignored. 3 and it's still finicky on iOS. TapCommand2="{Binding TapCommand2}" this property from the above code pinch and pan works fine. &lt;RelativeLayout Grid. Image. One of the solutions says: <StackLayout HorizontalOptions="FillAndExpand" VerticalOptions="FillAndExpand">. Tapped += (s, e) => {. Find out the possible solutions and tips from the answers and comments on this Stack Overflow page. 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