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  • Scroll to a position in a listView

    - by klaus-vlad
    Hi, I have a long listView that the user scrolls around and then returns to the previous menu . What I want is that when the user opens this list View again the list to be scrolled to where the it was previously left. Any ideas on how this can be achieved ?

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  • RotationAsync with each row in List view

    - by Labeeb P
    Hi, From this answer in stack overflow and the sample project referred there, i got the Idea of RotationAsync, where a progress bar work fine with device rotation. But my problem is, i have a listview with each row there is progress bar. And is there any way to retain the progress while rotation for reach row. Me creating onclicklistener object for the button click listener in getview function of my adapter class. Where its onClick function call the AsyncTask class Since each getview (row) is calling different instant of my AsyncTask, i cannot make it static of single ton class. Any Idea on this. Thanks.

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  • zooming imageview

    - by M.A. Cape
    Can anyone help on how to use the matrix scaletype to zoom an imageview and also how to use the translate method so that it can be focused at the center? I have tried using webview to be able to use the zooming and scrolling functionalities i needed but it is not nice to look at.

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  • menuitem id in xml format can't be an integer? huh. really?

    - by misbell
    ok, in menu.add, you add an integer menuitem id. But when you specify the menu in xml, @+id can't take an integer, so you can't test the id for the menu item as an integer in a switch statement. What obvious thing am I missing, because surely an inconsistency this bone-stupid couldn't have passed muster with all those wonderful geniuses at Google. on top of that, when I give the menu item a name like "@+id/myMenuItem", item.getItemId() returns an integer, a long one, which I guess is a representation of the hex pointer. M

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  • I need to recover an instance of an activity

    - by Bilthon
    Well.. the title is pretty descriptive, I have a bunch of tab activities (which I implemented myself, didn't want to use the tabviews with activities inside them), so It's basically 5 activities calling each other every time the user clicks on the tabs displayed as a row of LinearLayouts at the bottom of the screen. The thing is that the way I do it now, everytime the user jumps from one activity to another, a new activity is created and launched. Of course, I can see I'm wasting resources this way. So what I would like to do is to create every activity only once; and then if the user wants to go back to the previous (or any one that was already created and is probably paused) just check on some kind of list or array to see if the activity can be recovered and only in the case it can't; to lauch a new one. My question is, how can I check this? should I save the intents? and how to recover the activities afterwards? I'm kind of new with java. Greetings Nelson R. Perez

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  • How to pass the values from one activity to previous activity

    - by Kumar
    Dear friends.. Can any one tell me how to pass the value from one screen to its previous screen. Consider the case.i m having two screen first screen with one Textview and button and the second activity have one edittext and button. If i click the first button then it has to move to second activity and here user has to type something in the textbox. If he press the button from the second screen then the values from the textbox should move to the first activity and that should be displayed in the first activity textview. regards, s.kumaran.

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  • How do I animate View.setVisibility(GONE)

    - by MrSnowflake
    I want to make an Animation for when a View gets it's visibility set to GONE. Instead of just dissapearing, the View should 'collapse'. I tried this with a ScaleAnimation but then the View is collapse, but the layout will only resize it's space after (or before) the Animation stops (or starts). How can I make the Animation so that, while animating, the lower Views will stay directly below the content, instead of having a blank space?

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  • Php JSON Response Array

    - by Nick Kl
    I have this php code. As you can see i query a mysql database through a function showallevents. I return a the $result to the $event variable. I try to return all rows of the data that i take with the msql_fetch_assoc. I don't get response even when i encode the $response variable. It returns null to all fields. Can anyone help me on what i am doing wrong. I had a valid code but it was returning only 1 row of data so i tried to make an associative array but seems i am failing. if ($tag == 'showallevents') { // Request type is show all events // show all events $event = $db->showallevents(); if ($event != false) { $data = array(); while($row = mysql_fetch_assoc($event)) { $data[] = array( $response["success"] = 1, $response["uid"] = $event["uid"], $response["event"]["date"] = $event["date"], $response["event"]["hours"] = $event["hours"], $response["event"]["store_name"] = $event["store_name"], $response["event"]["event_information"] = $event["event_information"], $response["event"]["event_type"] = $event["event_type"], $response["event"]["Phone"] = $event["Phone"], $response["event"]["address"] = $event["address"], $response["event"]["created_at"] = $event["created_at"], $response["event"]["updated_at"] = $event["updated_at"]); } echo json_encode($data); } else { // event not found // echo json with error = 1 $response["error"] = 1; $response["error_msg"] = "Events not found"; echo json_encode($response); } } else { echo "Access Denied"; } } ?>

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  • get the current loacation (gps/wifi)

    - by gilmad
    i'm trying to get my location using it like this: LocationManager myLocationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE); Criteria criteria = new Criteria(); criteria.setAccuracy(Criteria.ACCURACY_FINE); criteria.setAltitudeRequired(false); criteria.setBearingRequired(false); criteria.setCostAllowed(true); criteria.setPowerRequirement(Criteria.POWER_LOW); String provider = myLocationManager.getBestProvider(criteria,true); if (provider != null) { //there is a provider myLocationManager.requestLocationUpdates(provider, 10L, 500.0f, (LocationListener) mainContext); Location myCurLocation = myLocationManager.getLastKnownLocation(provider); //here i'm trying to get some data from the //myCurLocation but //myCurLocation == NULL } but the myCurLocation is always == NULL what am I doing wrong??

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  • How to set background color of a View

    - by Peter vdL
    I'm trying to set the background color of a View (in this case a Button). I use this code: // set the background to green v.setBackgroundColor(0x0000FF00 ); v.invalidate(); It causes the Button to disappear from the screen. What am I doing wrong, and what is the correct way to change the background color on any View? Thanks.

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  • Best way to store application images taken via camera

    - by Dave
    Hi all, I'm just looking for some insight into what would be the best way for me to store images as part of my app. I have an activity that represents a 'Job' which has a couple of edittext's and underneath was planning on using the Gallery component to show images relevant to this job. The job data is stored in a database (on the sdcard) so was also thinking of creating a table to store 'JobImages' and having each image stored as a byte array. But I'm not sure if it would be better to store the images directly on sdcard under a folder structure specific to my application and the job. E.g. using the job ID number as a folder name. Depending on which method I use will greatly determine the code that goes into an 'adapter' that allows me to bind to the gallery component so before I begin I was wondering if anyone has had the same design problem and what option they chose. Thanks, Dave

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  • Socket - Adress already in use

    - by Hamza Karmouda
    I'm new to socketand i try to code an Server and client on the same application just to see how it work. here's my code : public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); ((Button)this.findViewById(R.id.bouton1)).setOnClickListener(this); } public void onClick(View v) { TCPServer server = new TCPServer(); TCPClient client = new TCPClient(); server.start(); client.start(); } public class TCPServer extends Thread { @Override public void run() { try { ServerSocket s = new ServerSocket(8080,0,InetAddress.getLocalHost()); Socket cli = s.accept(); byte[] b = new byte[512]; int n; InputStream is = cli.getInputStream(); while((n=is.read(b))>0){ Log.d("TCPServer",new String(b)); if(new String(b).contains("\r\n\r\n"))break; b = new byte[512]; } OutputStream os = cli.getOutputStream(); os.write("Hello".getBytes()); } catch (Exception e) { e.printStackTrace(); } } } public class TCPClient extends Thread { @Override public void run() { try { Socket s = new Socket(InetAddress.getLocalHost().getHostAddress(),8080); //Socket s = new Socket("www.google.com",80); //Log.i("",s.getLocalAddress().getHostAddress()); byte[] b = new byte[512]; int n; if (s.isConnected()) { OutputStream os = s.getOutputStream(); os.write("Hi How are you \r\n\r\n".getBytes()); InputStream is = s.getInputStream(); while((n=is.read(b))>0){ Log.d("TCPClient",new String(b)); b = new byte[512]; } } s.close(); } catch (Exception e) { e.printStackTrace(); } } } the code work fine but just for the first time i click my button. the error is java.net.BindException: Address already in use .

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  • Play playlist with MediaPlayer

    - by Kaloer
    Hi, I'm trying to play a playlist I get using the MediaStore provider. However, when I try playing a playlist nothing happens. Can a MediaPlayer play a playlist (m3u file) and do I need to set the first track to play ? This is my test code in the onCreate() method: Uri uri = MediaStore.Audio.Playlists.EXTERNAL_CONTENT_URI; if(uri == null) { Log.e("Uri = null"); } String[] projection = new String[] { MediaStore.Audio.Playlists._ID, MediaStore.Audio.Playlists.NAME, MediaStore.Audio.Playlists.DATA }; Cursor c = managedQuery(uri, projection, null, null, null); if(c == null) { Toast.makeText(getApplicationContext(), R.string.alarm_tone_picker_error, Toast.LENGTH_LONG).show(); return; } if(!c.moveToFirst()) { c.close(); Toast.makeText(getApplicationContext(), R.string.alarm_tone_picker_no_music, Toast.LENGTH_LONG).show(); return; } c.moveToFirst(); try { MediaPlayer player = new MediaPlayer(); player.setDataSource(c.getString(2)); player.start(); } catch(Exception e) { e.printStackTrace(); } I have turned on every volume stream. Thanks you, Kaloer

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  • Supress the Soft Keboard when an activity loads... yet again

    - by tunneling
    this.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN); Same problem that I've read on other posts. I don't want the soft keyboard to pop up when the Activity loads. The above code snippet works, however my View no longer scrolls up so that the User can still see the EditText. It scrolls without this line of code. Any ideas?

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  • How to represent a Many-To-Many relationship in XML or other simple file format?

    - by CSharperWithJava
    I have a list management appliaction that stores its data in a many-to-many relationship database. I.E. A note can be in any number of lists, and a list can have any number of notes. I also can export this data to and XML file and import it in another instance of my app for sharing lists between users. However, this is based on a legacy system where the list to note relationship was one-to-many (ideal for XML). Now a note that is in multiple lists is esentially split into two identical rows in the DB and all relation between them is lost. Question: How can I represent this many-to-many relationship in a simple, standard file format? (Preferably XML to maintain backwards compatibility)

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  • Online Database

    - by Narancha
    Hello! I want to write an application that reads blogpost from the internet and then present in my own way. The blogposts are stored in databases, so I figured that the only thing I had to do was to query an online database for the posts that I want to show.. But I can´t find a way to opoen a connecion to an online database... anyone out there with a solution to my problem? //Narancha

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  • replacement for clock app

    - by gcb
    the least thing i like on the nexus one is the useless app it runs when on the desktop dock. I already wasted a good day searching for the 3 topics below and failed to find anything. Is there any replacement for it already available? Is there source code for the original one? Is there documentation on how to replace them?

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  • Layout Problem on Bigger resolution Phone like Nexus one?

    - by UMMA
    dear friends, i have created application using layout font sizes in "pixels" font and other layout looks fine on HTC hero and Motorola Droid but in nexus one which is bigger resolution phone every thing is messed up. for example , i have used font 18px which is bigger size in HTC Hero and Motorola but in Nexus one it is looking very small. same is the case with image height and width a banner looks fine on both phones but in nexus one very small. actually we dont have height and width in percentage thats why i am not able to solve this problem. layout_width="fill_parent" also not helping.. kindly help me out what should i do to make application look same in all the phones with different resolutions.

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  • Overllaping view elements

    - by rantravee
    Hi, Here's the problem I'm facing : I've got a custom slider that controlls the volume and a label "volume" that I combine together in a liniar Layout to obtain a volume control setting. In the emulator and on a G1 phone these look pretty ok , however , when put on a Xperia mini the label and the slider overlap . What should I do obtain a decent view independent of the device the application runs ?

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