I have 100 items, all have an image and some description, i have a ListView and i want to open the items with ListView, so how do i do that ? i want to show description and image for each item. do i need 101 activities?
No You Can Use Listview With Image And Text Using List Adpter Here I Send You Link See My Answer Step By Step U Follw it.Listview With Imageview
Fedor's LazyList is simple and very efficient, and loads the images from a URL, but I could also modify it to load images from resources folder.
No, you only need one activity and one Fragment. Each time you click one item in the ListView, call replace and update your fragment. I think that should be method that helps you refresh its content view . Or you can create a new one (not best solution)
Related
Ok, I have this database of 750+ images and I am wondering how to view the images one by one on a page when the filename is clicked from a listview instead of having to create 750+ pages to show each. I am just starting with Android so please help with code and where to put the code etc.
Thanks in advance.
AM
"I am wondering how to view the images one by one on a page when the filename is clicked from a listview instead of having to create 750+ pages to show each."
Ideally, you would have a MySQLiteHelper class with methods to run SQL eg. pick specific image with id
A Main Activity will have a listview showing all images in a ScrollView layout
listAdapter will have a OnClickListener to start new Activity after passing the id of the image clicked, and opening an ImageView in the new activity, which will show the image from your database.
Now go and refer Android Dev Docs to learn about SQLite, listview, scrollview, onclicklistener, imageview
Good Luck
I'm developing an Android App and I need to display some data in a scrollable Listview.
I will extract some strings from objects that I right now have stored in linked lists (until i come up with a better solution).
I want to display a view that looks almost like the contacts app. A list with a small picture to the left and a larger text to the right of the picture with a smaller text the bigger one. When I click on one of the items it should open a new activity.
How do I create the view? If I adds an object in the linked list it should appear in the list.
I have checked some sample code, but they all uses Arrayadapter and I dont understand how I am supposed to do.
Check this article about Adapters: http://www.vogella.com/articles/AndroidListView/article.html
If you want to add new objects in ListVew use:
adapter.notifyDataSetChenged();
Check the libraries in this question, you have what you need there:
Lazy load of images in ListView
hi i am going to make a to-do list so what i need is that to assign my task and view it as a list view in those list view need 3 text view and 3 images in this 3 images represent 3 activity like alarm, calendar and so on when i click these images its open seperatly i had i know to retrieve the data's from database to list view but did not know how to set multiple image in a single list.and make those images click able.now how can i do that i tried the lazy adaptor but it is used in the parsing phases there is no parsing in my application please help me
there are many different post all over the place about creating custom ListView items. this one is very helpfull and similar to what you want to do.
when working with images and ListViews, it's very important to implement Lazy image loading. the best implementation I know, is ferdovlasove's LazyAdapter.
enjoy...
How do I implement a listview which displays images an text dynamically from the web? Each image has some descriptions to it and I need them to display correctly in each list. The images change every once in a while. So I have to retrieve up to date contents.
I have read this, but have no idea how to include text into it. Any help here?
Thanks.
Here you will find full details and along with Full working Source code
Android lazy image loader example
Use an ListView Adapter like here: http://android.amberfog.com/?p=296.
The getView Method is executed for every row of your ListView, so you have to place your code to load the images right there
When the Data changes simply call notifyDataSetChanged on the ListView Adapter and the ListView will refresh (executs getView again).
i have two gallery views in my single UI screen or you may say activity, i want to have listener in such a way that on scroll of one gallery view the other should also scroll , i tried giving listener to one gallery and calling the other one gallery view into that ., but its working for me , pls can any one help me..
thanks in advance
Datta
You could try to find the position of one of the galleries with Gallery.setOnItemSelectedListener() and then update the other gallery with Gallery.setSelection().
I believe the Gallery view is missing a lot of functionality (or is broken) as compared to ListView or GridView. In this particular instance, you need a "setOnCenteredItemChangedListener" or something like that. However, the documentation does not show anything close to this.
One option would be to implement your own Gallery class using HorizontalScrollView.
Another (hacky) option would be to rely on your Gallery adapter to push the current position being fetched (which may NOT be the one displayed in the middle) and use that to guess the currently selected position.
You have to override the scroll event of your first gallery and inside this method you should call the onScroll event of your second gallery like this,
gallery_two.onScroll(MotionEvent e1,MotionEvent e2,x,y);