gesture

We are using Navigation Drawer in our application to show side menu. In a few of the screens we don't want to show this navigation drawer once user tried to do left/right gestures. So, for that, we are trying to hide a particular screen - gestures/navigationdrawer - but it's not working. When the user swipes (left/right) the drawer still opens. const AppNavigator = StackNavigator( { // Drawer: { screen: Drawer }, Register: { screen: Register, navigationOptions: ({ navigation }) => ({ drawerLockMode: "locked-closed", }) }, TabHome: { screen: TabHome }, Album: { screen: Album }, offlineContent:

I have a scrollable widget, say a ListView, which contains some special widget. How can I prevent the scrollable to scroll when the user tries to scroll by starting to scroll on top of that widget? In other words, I want that widget to be like a "hole" that prevents the scrollable to sense gestures there. Willy Wrap the widget with GestureDetector and implement empty gesture functions in it. GestureDetector( onVerticalDragUpdate: (_) {}, child: YourWidget ), 来源： https://stackoverflow.com/questions/54929434/in-flutter-how-can-a-child-widget-prevent-the-scrolling-of-its-scrollable-paren

Suppose I am writing a word "abc" in my GestureOverlayView and while doing so I need to save all those alphabets in the screen until I press a clear button.Can anyone tell me a good way to do this.. I will write "a" which is taken as a gesture (not as stroke) i.e One thing I though of was like use a ImageView or SurfaceView on bottom of a GestureOverLayView.and Suppose when I draw "a" on GestureOverLayView then in the "onGesturePerformed" event it will take the Gesture and then get the strokes and then convert them into paths and then draw the paths onto the underlying ImageView or SurfaceView

Do WPF have Touch-and-Hold gesture? I cannot find event for that, so I tried to implement one for myself. I know that there is Stylus class but in WPF it does not help me. If there aren't one there is my code: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Timers; namespace WebControlTouch { /// <summary> /// Due to lack of Touch-and-Hold gesture, here is implementation of it. Stupid M$. /// </summary> public static class Touch_and_Hold { #region Constructor + methods /// <summary> /// Static constructor which

This is maddening. I have the following XML layout: <FrameLayout android:layout_width="fill_parent" android:layout_height="wrap_content" android:background="@drawable/shadow" android:focusable="true" android:focusableInTouchMode="true"> <ViewFlipper android:id="@+id/flipper" android:layout_width="fill_parent" android:layout_height="fill_parent"> <EditText android:id="@+id/reviews" style="@style/DescriptionArea" android:layout_width="fill_parent" android:layout_height="wrap_content" android:enabled="false" android:background="@null" /> <EditText android:id="@+id/notes" style="@style

I have a UIPageViewController that handles turning the pages of my "book". However, each book page is a ViewController with a UIScrollView as a subview . The UIScrollView is only able to scroll vertically due to the contentSize . The problem is that while the user scrolls the scrollview vertically, as the scrollview is still scrolling/decelerating the user can not turn the page. A very easy way to see this is to scroll the page and then try to tap the edge of the view. This would normally change the page, and it does change the page when the scrollview is not moving. However, when it is moving

Is there a way to detect which word in the TextSpan was touched by the user? This paragraph is here to get round the stack overflow robot that is insisting that I write more stuff :) Putra Ardiansyah You can improve by yourself import 'package:flutter/gestures.dart'; ... new RichText( text: new TextSpan(text: 'Non touchable. ', children: [ new TextSpan( text: 'Tap here.', recognizer: new TapGestureRecognizer()..onTap = () => print('Tap Here onTap'), ) ]), ); You can use recognizer property of TextSpan which allows almost every type of event. Here is a basic implementation. import 'package