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QUESTION
I have created an Angular 6 library using 'ng generate library' command. This library is used in my base component after --prod build and then importing in app.module.ts of main application. The ...Component file in Library has @Input("leftPanel") leftPanel: ElementRef;
HTML Div element on base.component.html is like this:
Library component implements AfterViewInit. In the implementation method, this code execution fails: this.leftPanel.nativeElement.style.flexBasis = '50%';
it says, this.leftPanel.nativeElement is undefined. But i can see this.leftPanel point to the div. Wonder why it does not allow this.leftPanel.nativeElement` even tho @Input leftPanel is of type 'ElementRef'?
Thanks in Advance!
...ANSWER
Answered 2018-Aug-30 at 14:33Harshad
Instead of sending the parent ElementRef
my feeling is that your component should have and @Output
and trigger an event handled by the parent, to change the native panel width.
Doing like you reduce the coupling between the object and make them more reusable.
See docs here: https://angular.io/guide/component-interaction
Still want to use ElementRef as parameter
If you still want to send the leftPanel as a parameter, you will need an @Input() variable in your main component as well, so it can resolve
[leftPanel]="leftPanel"
cheers
QUESTION
I'm just trying to play / pause an audio streaming from elsewhere.
Initially I got an SCE error. Then found and tried solutions from different answers. Those made the SCE error disappear, but the audio is still not working.
My first attempt was trying to use filters, following this aswwer: AngularJS ng-src inside of iframe I've added a filter in the app.js and chenged footer.html, as shown in the code commented out.
The second attempt was defining a trustedUrl() function, using $sce. (I've lost the reference) I've changed the controller code and footer.html
The third attempt is the current code, trying to add the domain in a whitelist, following an answer from here: Angular $sce blocking my audio blob src
In the code below, apiURL, secret and factoryID are being faked - but the service is working fine. My data object is being returned from the API with all the fields correct, already as an object (no need to parse json). The sound streaming got from the API is the one I hardcoded in footer.html (as in the version 1 comment), and it worked well.
Some may suggest I move the audio control into a service, but my function toggleSound is also working. At least, the icons are toggling. I didn't try moving it, though.
I don't know why the result from ng-src seems to be empty in the html (I'm not sure if I'm looking in the right place, but it won't show in the DOM structure). Or audioElem.play() is not working - I don't know.
It seems to be so simple, but I can't make the audio streaming to play. Am I missing something?
EDIT:
I noticed one mistake: in the original question was using this
wrong. I've already edited the code below, following this answer: Using this within a promise in AngularJS
The relevant parts of the code follow this structure:
app.js:
...ANSWER
Answered 2017-Jul-30 at 07:33I've found the answer here: https://medium.com/kevins-daily-makers-academy-blog/html5-audio-and-angular-day-4-final-project-be0818239e8e
Basically, we have to move the ng-src
into the audio
tag:
QUESTION
I just recently learned angular.js (and i use the word "learned" loosely), and I am trying to make a basic website and have gotten stuck on form validation. I realized that the double bracket notation I learned from "Shaping up with angular.js" isn't registering on the webpage that I have. I've been hacking at this all day and you'll probably see more than a few issues with my code (feel free to comment).
The code piece I am talking about is this:
...ANSWER
Answered 2017-Jul-18 at 19:03It should be,
QUESTION
I'm trying to routing to my html file but nothing happen when I click on the navigation to link to the page given (page 1, page 2 and page 3,and no console error either. I'm using my local server via command prompt. My app is specified in the html tag - html ng-myApp. I have looked at the similar question on this site but can't figure it out why not working. Thank you for your help.
here's navbar:
...ANSWER
Answered 2017-Jun-16 at 17:41You have some error in your code .You have forgot to pass the proper href and have used variable name firstTitle in controller and in template used a different variable.Try like this
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