Presenter | Easy view presenters in your apps | Android library
kandi X-RAY | Presenter Summary
kandi X-RAY | Presenter Summary
So you have those scenarios where a bit of logic needs to be performed before some data (likely from your entity) is displayed from the view. Instead, leverage view presenters. That's what they're for! This package provides one such implementation.
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Top functions reviewed by kandi - BETA
- Get the presenter instance .
- It is used for testing .
- Instantiates a valid presenter .
- Throws an exception if the presenter is not valid .
- Add a FooF specification .
- It is not initialized?
Presenter Key Features
Presenter Examples and Code Snippets
Lines of Code : 4License : Non-SPDX
Copypublic void start() {
view.setPresenter(this);
view.open();
} @Override
public void setPresenter(FileSelectorPresenter presenter) {
this.presenter = presenter;
} @Override
public FileSelectorPresenter getPresenter() {
return this.presenter;
} Community Discussions
Trending Discussions on Presenter
QUESTION
I am looking for a solution to my problem I have a relation => Company has_many Councils, through CouncilCompany.
And I would like to display Company in context of given Council, so if CouncilCompany has name property present display it over default Company name.
ANSWER
Answered 2021-Jun-12 at 16:23How about defining a representer for CouncilCompany instead, as it belongs to Company ?
QUESTION
After watching the Microsoft video on this page, I decided that I should start testing for server-side pagination by looking for @odata.nextLink fields in all my Graph API (v1.0) query responses, particularly on SharePoint resources. In the video at about 1:38s, one of the presenters says that the nextLink is "typically" placed next to the collection in the response.
So far, this is what I have encountered when I analyze the json response of the queries: the collection field is placed immediately after the @odata.nextLink field in the json object. In the example below, the collection field, 'value' immediately follows the field, '@odata.nextLink'.
However, I am a little concerned about the presenters choice of words ("typically"). Can I expect this to always be the case though with Graph API?
I would like to know if I can build my query algorithm such that whenever I encounter a nextLink, I look to the next field to be the collection that I'll perform concatenation on when visiting the nextLink fields, or if there are cases that will break the algorithm.
Thank you.
...ANSWER
Answered 2021-Jun-09 at 20:54You should never assume a fixed order in any serialized response. In the case of OData, a nextLink will always be a top-level property but it can appear above or below the collection being returned:
All annotations or control information for a structural or navigation property MUST appear as a group immediately before the property itself. The one exception is the
nextlinkof a collection which MAY appear after the collection it annotates.
It's also worth noting that while other annotations always appear before the collection, the spec does not specify the order of those annotations (with some exceptions such as id and etag).
When working with JSON, properties are best retrieved by name (typically by deserializing the response).
QUESTION
I'm trying to run a test and I'm returning TypeError: Cannot read property 'sort' of undefined
Any ideas?
Thanks
test:
...ANSWER
Answered 2021-Jun-09 at 13:54define your condition first like this
QUESTION
I am attempting to develop a Wear OS app which is dependent on a paired Android phone to perform some higher complexity computations. To this end I have implemented on the wearable side the proper infrastructure to pass a PutDataMapRequest message to the phone app, where I am having trouble is extending the WearableListenerService class on the phone side. When I alt+enter to see the suggested actions menu, the option to add the requisite library is there. However when I select that option nothing happens and the option is still there afterwards (the error is not rectified). I will caveat this by saying I have only been developing for Android for about 2 weeks so some of this Android Studio and its' quirks are still a little new to me. Prior to this point I had attempted various incarnations of building this app. The first where I had built the apps separately, and on that attempt this same extension caused problems (the IDE didn't even offer any suggestions at that point). I also tried loading the data layer api sample to find an example of the wearable listener service but unfortunately it is only present on the wear side of the app. The original source of this approach was from this tutorial, which I know is a little old at this point (at least one of the calls on the wear side are deprecated which I already worked around). At about 2:00 in the presenter is able to extend WearableListenerService without any issue within his phone side app and I have no idea what I am missing to be able to do that. I also did look into just trying to add the support library manually but to no avail.
...ANSWER
Answered 2021-Jun-04 at 15:30Ok so, for anyone who runs into a similar issue down the road. The solution appears to be that when you create a wearable app through the new wizard and attempt to add an application module to the project, you will need to manually add the following lines to your phone app side gradle file under dependencies.
QUESTION
Im using Dagger Hilt in my project and its not compilating. Checked everything in manifest and project files and have no idea what is happenning :/
...ANSWER
Answered 2021-Jun-01 at 18:43For some reason my versions of the implementation were not matching
Old Version
QUESTION
I am getting started with Julia, and am watching this video, and at the time I linked to, the presenter runs the command
...ANSWER
Answered 2021-May-28 at 00:26Sure you can just use the Crayons package.
This package is using Ints for representation of colors and the API of Colors.jl is rather verbose here (unless you want directly access pallette object fields which would be not elegant).
QUESTION
I am trying to create a custom control in WPF that is an ItemsControl (with a customizable data template) that supports dragging items from one container to another. The dragging logic is pretty straight forward and I have managed to get that working.
The problem is that I'm trying to show a simple drag adorner (that's essentially a screenshot of the item/datatemplate being dragged). While I have managed to display the adorner and get it to follow the mouse cursor, it is extremely laggy. I have played around with two methods of building the adorner - first one would be attaching a content presenter to my custom adorner; the second would be actually overriding the OnRender method and drawing it myself. Both methods feature really poor performance.
This is how I've implemented my adorner:
...ANSWER
Answered 2021-May-19 at 15:37My first guess would be that it's not your adorner that is slow, but the whole app. It's interacting with the adorner that is being dragged, and loads of events are being triggered and many layers of your UI is being involved. That's why when dragging slowly, then everything is OK.
To check the hypothesis - apply BitmapCache to the window you're dragging over. Here is an example how simple it is: https://stackoverflow.com/a/62635978/275330.
QUESTION
I hope is all well with you.
I have constructed my code and build according the MVP style as well pulling JSON data but when I run the the code the horizontal recycle view and the JSON data is not being displayed. I tried going through every line of code and watching other tutorials but still no results.
Here is below my main activity:
...ANSWER
Answered 2021-May-19 at 09:40You should update your recycler view adapter once your fetch call is executed, not before it ends.
Modify your fetchcatogries declaration so it accepts a callback method, which will be executed after the data are loaded.
This method will accept a list object as a parameter, which you will manage in your ProductCategoryActivity to populate the RecyclerView.
QUESTION
I've read similar topics but couldn't find a proper answer:
- How to end / close a MutableSharedFlow?
- Kotlin Flow: How to unsubscribe/stop
- StateFlow and SharedFlow. Making cold flows hot using shareIn - Android docs
- Introduce SharedFlow - GH discussion started by Roman Elizarov
In my Repository class I have a cold Flow that I want to share to 2 Presenters/ViewModels so my choice is to use shareIn operator.
Let's take a look on Android docs' example:
...ANSWER
Answered 2021-Feb-19 at 14:44I have tried to provide a minimal example with relevant comments. As stated SharedFlow works very similar to a ConnectableObservable in RxJava. Upstream will only be subscribed to once meaning computation is only done once with cold upstream flows. your repository does nothing as it a cold flow that is never "collected" until the SharedFlow subscribes so it doesn't have a scope.
Having used both RxJava and Flow there are so many similarities. It almost seemed unnecessary to create Flow and Collector interfaces and could have made it a lot easier on developers to transition if the base Reactive Streams interfaces were extended from - but I don't know the underlying reasons - maybe they wanted more flexibility with a new api, or stand out from just another Reactive Streams implementation like Java 9 implmentation and RxJava.
QUESTION
I need to give some logic when I'm taping on items in UICollectionView but my didSelectItemAt method doesn't work
Here is my code of ViewController
...ANSWER
Answered 2021-May-15 at 12:01I see that you're missing delegate. Add this line in viewDidload and try again:
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