hammer.js | javascript library for multi-touch gestures : //
kandi X-RAY | hammer.js Summary
kandi X-RAY | hammer.js Summary
A JavaScript library for detecting touch gestures.
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QUESTION
I'm trying to have a swipe animation when user swipes left in the device.
Here's a gist of the problem
- When I click on about page button in
Home
page, the app smoothly navigates toAbout
page. - When I hit on back icon button in the top bar of
About
page, it gives a back swipe animation.
I've implemented Hammer.js swipe left gesture for going back but it doesn't show any animation as that of back button animation. How could I achieve that?
I created a working example using StackBlitz to better explain the problem. Could anyone please help?
HTML
...ANSWER
Answered 2020-Jul-30 at 19:21Finally, I got this implemented using Ionic Gestures.
Here's the working example. Swipe left to right from about page, it will result a smooth animation and takes back to the page from you where came from.
Swipe Gesture Animation
QUESTION
I create the button through js and add it to the html when the user opens it adds a product to my order and adds a button to remove the same product, and it is in that button that I am giving the problem. The button has the class deletePrato but as it reads the .click () before creating the button it is not reacting as I want
...ANSWER
Answered 2020-Jul-21 at 02:26You need to use event Delegation
so your DOM
is listening to the click event for dynamically appended element
. by using .on
Also to get the value of p
you need to use attr
to retrieve the value of clicked item.
I have added some comments to each line as well. Change your click function to this below and it should work fine.
Just FYI - You also do not need the function deletar
. Its up-to to have it or not. Event delegation
on click will call .deletePrato
and will remove the that item you want to.
Run snippet below.
QUESTION
How can I use touch events such as touchmove
in Angular 2+ (not gestures)? There sould be a directive
(touchmove)="myMove()"
?
Hammer.js supports gestures but not the raw events?
...ANSWER
Answered 2017-Nov-25 at 11:16yes touchmove
is a directive that lets you handle touch events
QUESTION
I have a problem on angular ( v5) with this plugin: ng2-charts ( from charts.js) chartjs-plugin-zoom hammer.js
I have a simply chart and i'd like to zoom and pan on this, but it doesn't works.
I upload my code here so you can check... I think I have imported everything I need and I do not understand why it does not go. can you help me?
thank you very much!
...ANSWER
Answered 2020-Apr-10 at 07:09To have functional Pan and Zoom on your ng2-charts, this is what you need to do:
- Use
npm
to install the dependencies:hammerjs
andchartjs-plugin-zoom
- Import the dependencies to your module.
- Add the
pan
andzoom
configurations in theplugin
section of the chart configuration. - Horizontal zoom and pan only works with scatter charts
It is easier said than done so, before adding zoom and pan, be sure that you have a working ng2-chart in your project. Otherwise you never know what's going wrong.
1. Install the required plugins
Execute the following commands in the root folder of your project:
QUESTION
I am building a custom extension and require Chartjs to do so.
I have the following imports
...ANSWER
Answered 2020-Apr-03 at 10:50This one is quiet problematic... The chartjs plugin tries to load chart.js
which is not a valid module id but a file name. So RequireJS tries to load it as file even when I setup it up in the require.config.paths... So got a little workaround here:
QUESTION
I am using jquery and jquery ui for drag and drop functionality inside angular project for which i have added,
Index.html:
...ANSWER
Answered 2018-Jun-21 at 09:59You missing : jquery-ui.min.js
run npm install jquery-ui-dist
add path in script (add after jquery include line)
../node_modules/jquery-ui-dist/jquery-ui.min.js
Remove following script from index.html
QUESTION
I get the error
Module not found: Can't resolve '@egjs/hammerjs'
while trying to import 'react-native-gesture-handler' in an Expo Run React Native app.
I've tried expo install @types/hammerjs
and expo install @types/hammerjs
and in my application import hammer
, but it still throws the error.
I'm using Hammer.JS version 2.0.8
and React Native Gesture Handler version 1.5.0
ANSWER
Answered 2020-Mar-27 at 11:34I faced the same issue and had to uninstall react-native-gesture-handler npm uninstall react-native-gesture-handler
and install it via npm and not expo npm i react-native-gesture-handler
which is now version 1.6.1.
This worked for me, but it triggers a warning message Some of your project's dependencies are not compatible with currently installed expo package version:
- react-native-gesture-handler - expected version range: ~1.5.0 - actual version installed: ^1.6.1
Your project may not work correctly until you install the correct versions of the packages.
To install the correct versions of these packages, please run: expo install [package-name ...]
However, if you install react-native-gesture-handler with expo expo install react-native-gesture-handler
you'll get the same Module not found: Can't resolve '@egjs/hammerjs'
issue. Hence I guess this is a short term fix but is works.
My expo-cli is version 3.15.5
Here are my current dependencies
"dependencies": {
"@react-native-community/masked-view": "0.1.5",
"expo": "^36.0.0",
"expo-av": "~8.0.0",
"react": "16.9.0",
"react-dom": "16.9.0",
"react-native": "https://github.com/expo/react-native/archive/sdk-36.0.1.tar.gz",
"react-native-gesture-handler": "^1.6.1",
"react-native-safe-area-context": "0.6.0",
"react-native-safe-area-view": "^1.0.0",
"react-native-screens": "2.0.0-alpha.12",
"react-native-web": "^0.11.7",
"react-navigation": "^4.1.1",
"react-navigation-stack": "^2.1.1"
},
So you don't need to install @types/hammerjs as a dependency.
I hope it helps !
QUESTION
I use HammerJS in my Angular project for a few gestures like panleft
and panrigth
in lazy load component. When I build app, lazy load component is in separate bundle, but hammer.js
stay in node_modules
in main bundle. And it works as expected. But how to load hammer.js
in separate lazy module to reduce main bundle size?
I use Angular 9 with Angular Material. HammerJS is not required for material since ng9.
To install HammerJS (and it works with ng9) I:
1. run npm install --save hammerjs
2. add to main.ts
- import 'hammerjs'
3. import HammerModule
to app.module.ts
(required for ng9)
also I have custom config in app.module.ts
:
ANSWER
Answered 2020-Mar-26 at 18:19Here is an example of how the module (in my case "Carousle Module") looks like.
Leave the HammerModule
in your main module ( app.module.ts
) imports.
QUESTION
On a page I have several bootstrap carousels, and I want them to be working on swipe. To do that, I use hammer.js
. It is not a problem to bind hammer.js
to one element, for example:
ANSWER
Answered 2017-Feb-03 at 19:10Just use a distinct class for each wrapper and then iterate through it with jQuery.
QUESTION
After update to Angular 9 it does not work to use Hammer.js anymore. We have extended the Angular HammerGestureConfig
like the following.:
ANSWER
Answered 2020-Feb-24 at 17:14After upgrading to Angular 9, I had to re-npm-install hammerjs
since it had been removed from my package.json
. I would check that yours is still there.
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