Android :: Android - Filling ListView With Array
Aug 19, 2010
I can't fill a ListView layout with an array of strings.
Here is the Activity:
CODE:...................
Here is menu_item:
CODE:......................
And here is symptom.xml -
CODE:..............
Does my public class need to extend "ListActivity". I tried that and that didn't work.
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Feb 7, 2013
I'm pretty new to Android development and I just hit a brick wall in the development of an app, I'm currently working on.
The problem is that I have a list of locations (states), and when one is selected, a list of cities from that state is loaded via http request and JSON and then is supposed to be inserted into a listview in another activity.
So now I have the StateList activity and the CityList activity. Currently, the statelist activity starts the citylist activity via an intent and gives it a state name. Then, the citylist activity uses that name and requests data from a server via AsyncTask. As result I get an array of City objects, which are supposed to be inserted into an adapter for a listview.
Now begins my problem: I don't want the second activity to show up before all data is loaded. I also don't want the first activity to do the request and then have to transfer the whole result to the second activity using intent extras.
So what would I have to do now to have the second activity load all the data and only then really show up? I tried only setting the content view after receiving the data, but since the base class onCreate() is tied to some manipulation of the layout, I would also have to call onCreate() at that point, which is not allowed.
Here some code snippets of what I tried already:
The onCreate() method of my second activity (which is supposed to hide):
[high]protected void onCreate(Bundle savedInstanceState) {
requestWindowFeature(Window.FEATURE_NO_TITLE);
// send request for citylist data
CitylistRequest request = new CitylistRequest(this, new State(0, getIntent().getExtras().getString("state")));
request.execute();
[Code]...
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Jan 7, 2010
I am using a listview to display items.
Currently I am passing an String array of items to it.
But I want to pass one more array and display its items alongwith the items of the first array(i.e somehow two lines of text).
How can I do that?
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Aug 10, 2010
I must be missing something simple here.I've searched around but don't think my search query is touching on the right topics to yield results. Anyhow, what I'm after is running through the array of data I bind to a ListView after a "Submit" button has been clicked.
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Feb 18, 2010
I have an array list of a view in my application. The view has both single click and long click listeners. To detect a particular view that is selected I'm using isPressed() for single click listener. Now how can I detect that a particular view is longclicked from the array list of view?
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Jun 27, 2010
I have a ListView with a scrolling issue. The Array contain a large number of items. When I try to scroll down, the listview displays the first items again. For example, if the initial view shows 12 items and I scroll down to view the next three, instead of showing 4 through 15, if shows 4 through 12 followed by 1, 2, and three. Debugging the Adapter reports that getView return 4 through 15 just as I would expect.
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Mar 16, 2009
Where could I find any examples of rendering XML data in a ListView? i.e, the model is read from a XML file, not in an existing array or database cursors.
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Oct 29, 2010
I am using this following code which creates a ListView with text and an icon but the problem that I have which the following I want the array to be dynamic instead of static so my list gets created dynamically not statistically. My ultimate goal is to retrieve specific strings from my Db and to display it then on the Listview where every string would be in each row.
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Aug 3, 2010
Is there a way to convert JSON Array to normal Java Array for android ListView data binding?
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Jan 12, 2010
I have Picture data in byte rgb_565 array, and I want convert it in a productive way into argb array. Right now I have found only one (little slow) way to do this: Bitmap mPhotoPicture = BitmapFactory.decodeByteArray(imageData, 0 , imageData.length);
where imageData is my byte[] array in rgb_565, and then: int pixels[] = new int[CameraView.PICTURE_HEIGHT*CameraView.PICTURE_WIDTH]; mPhotoPicture.getPixels(pixels, 0,PICTURE_WIDTH, 0, 0, PICTURE_WIDTH, PICTURE_HEIGHT);
The point is I believe creating a Bitmap object is exacting and not necessary in this case. Is there any other faster way to convert rgb_565 array into argb array? I need this because making image processing on rgb_565 array seems to be a little annoying. Or maybe it is not so hard?
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Feb 16, 2010
I am trying to make an application that would be able to send the user's voice over the network using RTP. I am using the ported stack from hsc (JLIBRTP) and I am able to record user's voice in a saperate thread. the problem is that jlibrtp uses has a class named RTPSession that is responsible for the session and has the sendData method that takes a byte [] as argument and the AudioFormat class I am using to record user's voice is in AudioFormat.ENCODING_PCM_16BIT wich is short. I have tried using 8bit audioformat but I get an illigalargument exception in my htc magic and in my emulator. So is there any way I can convert the short [] to byte [] ? would that be acceptable in order of voice quality?, is the above error a known bug for htc magic or the platform doesn't support 8bit audio format?
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Oct 12, 2010
I'm new to android developing but right now I'm working on an application that displays Random Facts. Since I don't want it to be in a random order, I would like to have them in a list. I would like to order through them one by one and show them using TextView.
Resources res = getResources();
myString = res.getStringArray(R.array.FactsArray);
That's what I have so far. If I'm right, that just establishes the array so I can be able to use it later. What I had before was rgenerator which chose a random string from the array and displayed it when I clicked a button.
CODE:................
But Like I said, I would like to just order through them one by one when a button is clicked.
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Jul 27, 2010
Is there a simple way to convert a JsonArray to a standard Java Array? Obviously, you can iterate and do it explicitly, but I wanted to see if there was a direct way to do so.
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Sep 13, 2010
In my android application i need to insert an array into an array and access its values. Is there any way that i can get this done.
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Oct 10, 2009
I'm trying to create a simple view of a header image, few buttons, then footer image. I'm using a LinearLayout inside a ScrollView.
Even though i'm using the android:layout_gravity="bottom" for the footer image, it's being placed about 1 cm above the bottom margin.
I'm using the following xml config
CODE:...............
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Jul 8, 2010
I have an activity with a HorizontalScrollView. When it opens, I start filling this view (or rather, a container layout inside it) with another views. This is done from another thread by using handler.post.
The views are added in bunches of 15, and when there are no more views to add, I start updating them with new data (this is a kind of streaming data from a server).
The problem is that the scrollview is empty until all of the views are added. As soon as they are all added and start updating, the scrollview gets drawn.
How do I refresh it in the process of adding views? I don't want the screen to be empty for 3 seconds while all of the views are added.
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Nov 15, 2010
I am trying to fill an image onto my screen, but it is just covering around 75-80% part of whole screen, not whole screen.
The codeblock i am using is as:
CODE:...........................
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Apr 27, 2010
To Open GL ES. i am trying to write a program, which displays a Glass on the screen, and the coke will be filled slowly. when anybody touches the screen, ice cubes will be falling from top into the glass.
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Apr 27, 2010
I want to put two items <xyzLayout <ScrollView> - this to fill all available space <Button> - this on the screen bottom. </xyzLayout> How can I do this?
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Oct 4, 2010
My WebView doesn't fill the entire width of my phone. I am telling to fill_parent.
Not sure why?
CODE:..........................
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Mar 31, 2009
I just want to read <string-array> resource elements into a String array. I don't want to make a view or anything and mess with adapters - just want to transfer the elements. Is there a built in class for this? Or do I need to treat the resource file as a regular file?
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Apr 30, 2010
I only have stuff on my home screen, a full screen weather widget and like two programs on another...that leaves 4 more screens with nothing on it. I have all the apps I need so far and most of the ones that came with the phone I don't use. Just feels weird having all that extra space.
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Jun 13, 2010
I've noticed that the Internal memory of my Desire seems to filling up even though im not adding new files/downloading any new apps... Im using wi-fi several times a day to check emails, update friendstream etc... but there seems to be no major correlation with the memory increase.
As a guide memory usage has gone from 72mb to 82mb in the last 5-7 days
Is this normal? how i can clear out any files that may be accumulating? Obviously concerned as internal memory is limited as it is and if this continues it wont be long til the phone fills itself up!
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Dec 4, 2009
I seem to be having issues filling out forms. Actually, I can fill them out, but when I hit submit, it just hangs.
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Dec 27, 2013
A while back I tried to install CM on my friends LG G2. We installed CWM, made a backup and everything went well, until we were done flashing the ROM. It wouldn't boot, and after a few tries we decided to use download mode to reset everything back to stock. Everything is fine now, except I think the backup is still there. There's only a little more space left, but he only has about 4gb of data on the phone. We looked at all the folders and nothing was taking up all that space.
How can we delete that stuff taking up all the space? Would a normal factory reset work, or do we need to get CWM on there again to delete that backup?
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Jun 23, 2010
I am running 2.1 V3 and every time I try and formulate a new text message using the standard messaging application, the contacts field will not auto-populate suggestions when I begin typing someone's name (they used to come down in a drop-down list which I could select from). It has always done this before and I don't really know what changed. In order to send a message to anyone, I have to now click on the "person" icon next to the "To" field and wait an unbearably long time for the list to come up and then scroll to the contact I want and checkmark the person. I have tried restarting the phone...battery pulls...etc. Aside from a factory reset.
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Jul 27, 2013
I have an HTC one s, had it for a few months and just today it started to eat up all the memory on the "external card".
It is located in DCIM .thumbnails.
I know there is a fix of changing the folder to read only and sorts.(changing the file to read only works for a few moments then a new file generates with a new number.
But I do not just want to do a fix, I would like to know how I can trace what is causing it and fix it. The thumbnail file keeps increasing in size when I erase more files, right now it is at 1.2gb.
So my question, What is causing the thumbnail to be getting to 1.2gb, a larger size then my photos stored.
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May 5, 2010
I would like to know is if filling up my phones storage is going to make it run slower? I had 5 movies on my 8g microSDHC card. I decided to move them to my phones storage since nothing really uses that storage. The movies play great from both the phones storage and the SD card, but it felt like my phone was running a little slower once I did this. Is this just in my head or will my phone really run slower with its storage almost full? My phones settings state that the total space of the storage is 6.6GB and the avialable space is no 1.57GB.
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Mar 31, 2010
159mb seems like no space at all. Seems like stuff should install on the SD card. I know you can if you root, but you shouldn't have to. I clear the cache on apps regularly. How else can we avoid filling up our internal memory?
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May 14, 2013
Does filling a phone with only internal storage slow it down? Even if you don't fill it?
I'm asking because I put 10gb of music on my HTC One, and I was just curious as to whether it would effect it in any way.
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