I am bit more concern of OOM on having a heavy UI on each item of a listview, example I have 100 items.
Below is the image that I wanted to practice and copy the UI layout. What would be the possible layout or how can I implement this type of UI. Each items are scrollable until the bottom, with separate contents but same layout. Please see my update below.
Update: I am planning to use card ListVIew, please guide me.
You can use simple listView or card ListView but make sure listView raw does not have many nested layout for avoiding nested hierarchy you should use Relative Layout in list raw
I think using a listview with custom row layout will be better for your app.This will help you to reuse the same layouts which are inflated when loading listview.Also please check the size of images you used in the rows.
Related
I want to create a simple view like this. (red circle)
I searched on internet for Bundling in Recyclerview but I could not find any resources.
Can anyone tell me the name of this view or share any tutorial resources.
Can someone share an example of how to do it. Or any Tutorials on how to get this view . - Bounty question
In recyclerview you can do this with item decoration.
An ItemDecoration allows the application to add a special drawing and
layout offset to specific item views from the adapter's data set. This
can be useful for drawing dividers between items, highlights, visual
grouping boundaries and more.
All ItemDecorations are drawn in the order they were added, before the
item views (in onDraw()) and after the items (in onDrawOver(Canvas,
RecyclerView, RecyclerView.State).
refer here
or
you can design a custom layout and inflate it using getViewByType in
viewholder
I think you better to follow this videos, i am sure my side this videos gives you a perfect idea on Android Recyclerview and also provide a solution for problem.
Please follow this youtube link: https://www.youtube.com/watch?v=XhbsNO2_oDI
ItemDecorator from example below doesn't suite you. Try to use Expandable Listview, which helps you to adjust list, when user tap on image below list item, and expand size for another item, for example, chat messages in your image.
Use This Example!
I want to ask one question, should I use ListView inside ListView item? Or I should redesign and remake my idea?
Example of ListView, but should be with couple sub items:
A ListView inside a ListView item is never a good idea. If you want sublists inside your list you can, for example, use a ExpandableListView. However, with the migration from ListViews to RecyclerViews I would recommend you go and implement this instead.
A ListView will never work correctly embedded as an item in another ListView. In fact, scrolling things inside other scrolling things is almost never what you really want to do, as it would be confusing to the user how to actually navigate your screen.
Can anyone tell me on what layout i need to use to create this type of view in android. I thought of going with TableLayout, but i am not sure on this.
Can anyone help me on this.
If the content of the sheet is dynamic, then perhaps a ListView would be more apropriate, as the only thing you'll have to do in order to update the list, will be to notify the adapter that the dataset has been changed.
Another option to consider would be an ExpandableListView. This differs from the ListView by allowing two levels: groups which can individually be expanded to show its children.
(The ExpandableListView can be set to be expanded by default, if you don't want to have it expandable.)
i'm making an app that requires indefinite textviews and images. i'm trying to implement a Pulse News app UI but having a hard time implementing one. so i thought of an idea to make a UI like that with the use of textviews, imageview and horizontal scroll view.
textview string values are from parsed xml online and images or the imageviews will be images from a specific directory in the sdcard that my app is using.
can anyone give me ideas how can i do it without using an xml layout or is there any or other options or ways for doing this? thanks...
You can create a viewgroup with one textview and an image. Then it can be added dynamically to your layout many times. This can be done by creating objects in a loop. You can change the content in each viewgroup at the time of inflation.
though i dont know what exactly how pulse new app looks like, but by going through your question (horizontal scroll view in particular) I guess you want to implement a "Gallery" type implementation where in you can swipe left/right on page basis.
If my assumption is correct then you will like to see to ViewPager of android backward compatiblity pkg.
I'm working on an android application and I have run into a decision that I can't decide on one way or another. I was hoping someone could shed some light on the common practices and any theory to back them.
Here's the issue:
I want to have a list of items with images and text like table...
Country -.-.-.-.-.-.- Pop -.- SqrMi
[img] US -.-.-.-.-.-.- xxx -.-.- xxxxx
Now the debate I'm having is whether or not to use a listview to display the data or instead nest a layout that is scrollable and just display the data that way.
Why would I even consider a nested layout? Flexibility. I can design the dividers, possibly throw in a couple graphs above/below the list. Vary the height of each of the list items (like what if I want to show a graph in one list item and no graph in the next), etc.
I'm not sure if I'm breaking the generally accepted methods here. Can anyone shed some light on this?
The only major problem you will have when using nested layouts is memory consumption. ListView reuses its children so it doesn't create more children then it can display at a single moment. This description is a little simplified but I hope it shows the purpose of the ListView. Also ListView implements its own fast scrolling so it doesn't have to measure all its children to determine its size. And ListViews use adapters to populate themselves with data. It's a nice and convenient way to obtain data.
On the other hand if you create a ScrollView with a lot of views inside it'll be slow, difficult to populate with data and it'll require a lot of memory to create all of the child views even if you don't ever see some of them.
And about flexibility of the ListView. You can store different types of view in a single ListView and you'll be able to vary the height of each of this views.
All the things you have described for your "nested layout" is achievable with ListView. Just use different types of rows, use headers/footers in adapter.
And as already Pixie said, ListView is much more memory efficient and faster.