Can anybody explain me clearly about how can i use the ListView and what is an ArrayAdapter? purpose of an ArrayAdapter?
Explain me clearly because am a new one to android. And have read
this
But the concepts are going in depth.
So, am in need to know the concepts with short and clear.
An array adapter is the adapter by which the listview is built. You can use Android's default adapter or create a new one if you wish.
The following tutorial should help you: http://www.vogella.com/tutorials/AndroidListView/article.html
Related
I am relatively new to Flutter and just building a Web App for learning purpose. If someone knows Taxfix, which is by the way amazing!, I am wondering how they did this really nice question and answer design? LookHere Sorry that it is in German, but I hope you get the point.
How could you achieve smth. similar? I guess the Main part is a ListView?! And then just dynamically somehow create new questions out of the answers before? I guess the StateManagement is the key?
To concrete the question, how could I achieve a ListView, showing only one item per page and adds dynamically new questions based on the answers before? Does someone has a really short and basic example und how to get something like that running?
Sorry if that is a dumb question, but maybe someone has implemented already an example like that.
Anyway, thx for the help,
Daniel
how could I achieve a ListView, showing only one item per page
with listview you can use change the scroll direction to horizontal
|-listView
|-myfullscreenwidget which scrolls horizontally
adds dynamically new questions based on the answers before
this is mainly a datasource question. you might want to ask this questions first
Is the data source local or online
Nature of questions, bool, multi-choice, short answer,
How to validate response
finally communicate with the database and push more questions to the list
I am following one reference to create demo chat app in elixir and understood very well how is it working. But i am not so sure how can i create templates in Elixir to implement the same chat room in UI rather than terminal. Can anybody suggest something on this.
I think, if I'm understanding your question, you want to look at EEx, the tool for evaluating code embedded in a string.
Check on Phoenix as well because I believe Phoenix uses EEx too. Specifically check this: https://github.com/phoenixframework/phoenix#template-engine-configuration
Hope it helps.
got a little question here to Eclipse Plugins.
I have a java class which contains some data, e.g. a linkedlist and some other stuff.
I need this data in 2 views. In one view I want to display some of them, and the other view should show a list with the data. (this is my special case, but I ask the question generally).
So, how can I use this one class in both views? In "normal" java I'd would give a reference when I create the views, but as far as I know this is not possible in eclipse plugins.
My solution is, that the data-class is a singleton. But I don't like this solution, I think this only works in my case.
Hope you got the point :) Do anyone of you know a better solution?
(i'm new in eclipse plugins, there aren't good books or tutorials, aren't there?)
To answer the second question in your post... try this site out for basic tutorials about Eclipse plug-ins and RCP applications.
www.vogella.com/eclipse.html
This answer should help with the first question in your post.
In SWT, all views just show a presentation of the underlying business objects. So when you implement the list and the tree, they just need to have the identical object as input (e.g. when calling treeViewer.setInput(theSharedDataObject)).
Your data class doesn't need to be a singleton for that, you just have to point to the same instance of the data.
Can you provide me a basic iPhone example which has the following;
a. It is primarily a navigation-based app (Top-level view, Detail view, etc)
b. It also uses table (to present list of items, item details, add, edit, delete)
c. It uses Core Data for storing the list items
d. Optionally, it would be really great if it uses an API for retrieving some of the table data (otherwise user entered if API does not return).
While I do have individual examples for all these thing, I ma basically looking for an example which kind of combines all these things into a single app.
I have already gone through some of the IOS developer reference and hence would want other combined examples.
Any reference examples would be highly appreciated.
Thanks a lot.
Have you looked through the iOS Sample Code library? You'll find examples of all these. They have TopSongs (API, Navigation Views, Table Views, Core Data) and CoreDataBooks for Core Data.
If you create a project using the Navigation based template and select "Use Core Data" you will get the skeleton of exactly the type of app you want.
Examples covering all of those are on Apple's developer website, developer.apple.com.
I used this one is one, to learn this: http://icodeblog.com/2008/08/19/iphone-programming-tutorial-creating-a-todo-list-using-sqlite-part-1/#create-db
I need to implement cover flow functionality to our iPhone application. I tried to find sample code online to get started with it, but I didn't have any luck. Can anyone tell me how to implement cover flow functionality or give me a sample?
Thanks In Advance!
Try FlowCover at
http://www.chaosinmotion.com/flowcover.m
the source code provides you with a FlowCoverView realizing the coverflow effect.
You simply need to customize a few delegate methods. Take a look at the example source code, customizing it to suit your needs should be straightforward.
You might also want to check out a library I released at iPhoneDevCamp -- OpenFlow. http://apparentlogic.com/openflow
It is all core animation-based, so it's easy to understand and customize to your needs. AFOpenFlowView is a subclass of UIView.
I included a demo application, and check out the blog entry on my personal website for a bit more information about its use. fajkowski.com
Drop me a line if you have any questions or comments!
-Alex
This one looks promising:
https://github.com/nicklockwood/iCarousel
Seems to be more actively maintained than the other two suggested above.