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  • ListView selection issue...Using onItemClick(AdapterView<?> parent, View view, ...)

    - by searchMaker
    The problem I hope to resolve here is that when I click on one item in the ListView that item's background changes to light gray, but when I continue to scroll through the list every 4th item has the background changed to light gray even though those other items have not been clicked. How do I make only the item I clicked be effected by the click? ListView lv = (ListView) findViewById(R.id.resultsList); lv.setAdapter(new ArrayAdapter(this, R.layout.resultitem, (String[])labelList.toArray(new String[labelList.size()]))); lv.setOnItemClickListener(new OnItemClickListener() { public void onItemClick(AdapterView parent, View view, int position, long id) { TextView tv = (TextView)view.findViewById(R.id.result); tv.setBackgroundColor(Color.LTGRAY); tv.setTextColor(Color.BLACK);

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  • java.lang.OutOfMemoryError: bitmap size exceeds VM budget ?

    - by UMMA
    friends, i am using following code to display bitmap on screen and having next and previous buttons to change images. and getting out of memory error New Code HttpGet httpRequest = null; try { httpRequest = new HttpGet(mImage_URL[val]); } catch (Exception e) { return 0; } HttpClient httpclient = new DefaultHttpClient(); HttpResponse response = (HttpResponse) httpclient.execute(httpRequest); Bitmap bm; HttpEntity entity = response.getEntity(); BufferedHttpEntity bufHttpEntity = new BufferedHttpEntity(entity); InputStream is = bufHttpEntity.getContent(); try { bm = BitmapFactory.decodeStream(is); }catch(Exception ex) { } is.close(); Old Code URL aURL = new URL(mImage_URL[val]); URLConnection conn = aURL.openConnection(); conn.connect(); InputStream is = null; try { is= conn.getInputStream(); }catch(IOException e) { } BufferedInputStream bis = new BufferedInputStream(is); bm = BitmapFactory.decodeStream(bis); bis.close(); is.close(); img.setImageBitmap(bm); and it was giving me error decoder-decode return false. on images of size bigger than 400kb. so after googling i got new code as answer the old code was not giving me out of memory error on those images but decoder-decode return false, so i choosed new code. any one guide me what is the solution and which is the best approach to display live images?

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  • Location.getTime() returning a future time.

    - by fiXedd
    The following code: // get the last known location Criteria c = new Criteria(); c.setAccuracy(Criteria.ACCURACY_FINE); Location lastKnown = mLocationManager.getLastKnownLocation(mLocationManager.getBestProvider(c, true)); // compare times long currentTime = System.currentTimeMillis(); long gpsTime = lastKnown.getTime(); long age = (currentTime - gpsTime) / 1000; Gives me: currentTime = 1270062152738 gpsTime = 1270085378000 age = -23225 If you'll notice, it's returning the last location fix's time as a time in the future. Why is this happening? EDIT: From Location.getTime() : Returns the UTC time of this fix, in milliseconds since January 1, 1970. From System.currentTimeMillis() : Returns the current system time in milliseconds since January 1, 1970 00:00:00 UTC. This method shouldn't be used for measuring timeouts or other elapsed time measurements, as changing the system time can affect the results.

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  • File name after MediaStore.Images.Media.insertImage

    - by gng
    Hi! I am using MediaStore.Images.Media.insertImage(ContentResolver cr, String imagePath, String name, String description) function to insert a newly created image into gallery. System is naming the file by default, but its diferent than names of pictures taken by orginal app(Time stamp). Is there easy way to set it up?

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  • SQLiteQueryBuilder.buildQuery not using selectArgs?

    - by user297468
    Alright, I'm trying to query a sqlite database. I was trying to be good and use the query method of SQLiteDatabase and pass in the values in the selectArgs parameter to ensure everything got properly escaped, but it wouldn't work. I never got any rows returned (no errors, either). I started getting curious about the SQL that this generated so I did some more poking around and found SQLiteQueryBuilder (and apparently Stack Overflow doesn't handle links with parentheses in them well, so I can't link to the anchor for the buildQuery method), which I assume uses the same logic to generate the SQL statement. I did this: SQLiteQueryBuilder builder = new SQLiteQueryBuilder(); builder.setTables(BarcodeDb.Barcodes.TABLE_NAME); String sql = builder.buildQuery(new String[] { BarcodeDb.Barcodes.ID, BarcodeDb.Barcodes.TIMESTAMP, BarcodeDb.Barcodes.TYPE, BarcodeDb.Barcodes.VALUE }, "? = '?' AND ? = '?'", new String[] { BarcodeDb.Barcodes.VALUE, barcode.getValue(), BarcodeDb.Barcodes.TYPE, barcode.getType()}, null, null, null, null); Log.d(tag, "Query is: " + sql); The SQL that gets logged at this point is: SELECT _id, timestamp, type, value FROM barcodes WHERE (? = '?' AND ? = '?') However, here's what the documentation for SQLiteQueryBuilder.buildQuery says about the selectAgs parameter: You may include ?s in selection, which will be replaced by the values from selectionArgs, in order that they appear in the selection. ...but it isn't working. Any ideas?

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  • Animate View 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 move up?

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  • Using Alarmmanager to start a service at specific time

    - by Javadid
    Hi friends, I have searched a lot of places but couldnt find a clean sequential explanation of how to start a service (or if thats not possible then an activity) at a specific time daily using the AlarmManager?? I want to register several such alarms and triggering them should result in a service to be started. I'll be having a small piece of code in the service which can then execute and i can finish the service for good.... Calendar cal = Calendar.getInstance(); Calendar cur_cal = Calendar.getInstance(); cur_cal.setTimeInMillis(System.currentTimeMillis()); Date date = new Date(cur_cal.get(Calendar.YEAR), cur_cal.get(Calendar.MONTH), cur_cal.get(Calendar.DATE), 16, 45); cal.setTime(date); Intent intent = new Intent(ProfileList.this, ActivateOnTime.class); intent.putExtra("profile_id", 2); PendingIntent pintent = PendingIntent.getService(ProfileList.this, 0, intent, 0); AlarmManager alarm = (AlarmManager)getSystemService(Context.ALARM_SERVICE); alarm.set(AlarmManager.RTC_WAKEUP, cal.getTimeInMillis(), pintent); System.out.println("The alarm set!!"); i tried this code to activate the alarm at 4.45... but its not firing the service... do i have to keep the process running?? M i doing anything wrong??? One more thing, my service gets perfectly executed in case i use the following code: long firstTime = SystemClock.elapsedRealtime(); alarm.setRepeating(AlarmManager.ELAPSED_REALTIME_WAKEUP, firstTime, 30*1000,pintent);

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  • Changing size of content in HorizontalScrollView when phone is rotated by overriding onConfiguration

    - by Emil Arfvidsson
    Hello I have a problem with resizing content in a HorizontalScrollView when the phone is rotated. I'm overriding onConfigurationChanged in my activity containing the HorizontalScrollView, since I want to handle the resizing myself. However, I'm having great problem finding where i should put the resizing of the content. The HorizontalScrollView it self has FILL_PARENT as width and a fixed height. The idea is that it should always fill the screen width-wise, while having several cells of content, each as wide as the HorizontalScrollView itself. The content in my HorizontalScrollView consists of one LinearLayout (let's call it wrapperLayout) with several LinearLayouts inside it. When the phone rotates I simply want to change the width of all the LinearLayouts inside the wrapperLayout. This is easy to do and works great when I test the resizing code by putting it in onInterceptTouchEvent(MotionEvent ev), that is the views are resized just as they are supposed to when I touch the HorizontalScrollView. The difficulty appears when I try to find a good spot to execute resizing code, so that the resizing happens automatically when the phone is rotated. I have tried all possible combinations of requestLayout, onSizeChanged, onLayout, onConfigurationChanged and a few others and varying their calls to super (if any) before and after the resizing code. I can not make this work (the views are not resized even though the resize code is executed) and it is really frustrating. I've done a lot of logging to make sure the HorizonalScrollView really has changed width before calling my resize code but to no avail. Does anyone have any clue as to what is going on? What methods are called and in what order when I handle the onConfigurationChanged by myself like this? Thanks in advance

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  • xml pull parser assets xml

    - by mixm
    how can i parse a local xml file in the assets folder using pull parser. cant get pull parser to work, always throws io exception. i think i cant get the path to the file, or connecting to the file help please!

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  • Synchronize the position of two ScrollView views

    - by Billy
    I am trying to synchronize the positions of two ScrollViews. I'm trying to do this to display a tv guide listing. I have created a custom class that extends RelativeLayout to display the guide. This relative layout has four children: an imageview in the top left corner, a HorizontalScrollView to display the column headers in the top right, a ScrollView to display the row headers at the bottom left, and a ScrollView in the bottom right that contains the listings. This ScrollView then contains a HorizontalScrollView, which in turn contains a LinearLayout with multiple child views that display the data. I hope this explains it clearly, but here's a diagram to make it clearer: ____________ |__|___hsv___| | | | | | sv -> | | | hsv -> | |sv| ll -> | | | etc | | | | |__|_________| I set it up like this because I wanted the guide listings to scroll both horizontally and vertically, but there's no scroll view that does this. Also, I want the row and column headers to display no matter what position the guide listings are at, but I want them to be lined up properly. So I'm trying to find a way to synchronize the positions of the two hsv's, and to also synchronize the positions of the two sv's. I'm also trying to do it in a way that avoids just running a handler every few milliseconds to poll one view and call scrollTo on the other. I'm in no way sure that this is the best way to do it, but this is what I've come up with. If anybody has any other suggestions, please feel free!

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  • keytool.exe is not a valid win32 application MD5, access denied

    - by user1015086
    Whenever I use any of those commands, I get "keytool.exe is not a valid win32 application" error, even when I open keytool.exe independently as an exe file. C:\Program Files(x86)\Java\jre6\bin>keytool.exe -list -alias androiddebugkey -keystore "C:\Users\ti7a\.android\debug.keystore" -storepass android -keypass android keytool -list -keystore "C:\Users\ti7a\.android\debug.keystore" C:>cd C:\Program Files\Java\jre6\bin keytool -list -alias androiddebugkey -key store "C:\Users\ti7a\.android\debug.keystore" -storepass andro id -keypass android

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  • RadioButton text alignment

    - by melling
    For some reason the text on each of my RadioButtons is raised, almost to the level of a superscript (ok maybe half way there). How do I set the text to align so that if I could draw a line through the center of the button and have it intersect with the center point of the text? * Button1 * Button2

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  • Sensor Manager getOrientation, doesnt display text and only works in debug mode?

    - by Aidan
    Hi Guys, My code appears to crash. I'm trying to setup a SensorManager for getting the Orientation of the device. I also have a listener that should update when conditions change. But when I run this code it crashes... public void sensor(){ // Locate the SensorManager using Activity.getSystemService sm = (SensorManager) getSystemService(SENSOR_SERVICE); sm.getOrientation(mR, mOrientation); // Register your SensorListener sm.registerListener(sl, sm.getDefaultSensor(Sensor.TYPE_ORIENTATION),SensorManager.SENSOR_DELAY_NORMAL); } private final SensorEventListener sl = new SensorEventListener() { @Override public void onAccuracyChanged(Sensor sensor, int accuracy) { } @Override public void onSensorChanged(SensorEvent event) { if (event.sensor.getType()==Sensor.TYPE_ORIENTATION) { Global.Orientation = "Orientation is equal to: "+ SensorManager.getOrientation(mR, mOrientation); } } sm is defined as SensorManager sm; as a class wide variable also. I've got some other classes outputting the Orientation to a screen which I know works. The problem is somewhere in these methods. Am I doing it wrong or Is there a better way of doing this?

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  • Not sure how to link json 100% in php

    - by ronhdoge
    Im trying to create an rss feed that my droid app reads but i have some holes that i can figure how to fix the rss link page is http://www.mandarich.com/mandarichServer/mlb/indexbaseball.php when reading the rss i can see where the icon is missing on some and cant figure out why and cant figure saint louis at all. and the code i have for the php is as follows: <?php $teams["boston"] = "bostonredsox.gif"; $teams["nyyankees"] = "newyorkyankes.gif"; $teams["baltimore"] = "baltimoreorioles.gif"; $teams["tampa"] = "tampabayrays.gif"; $teams["toronto"] = "torontobluejays.gif"; $teams["atlanta"] = "atlantabraves.gif"; $teams["florida"] = "floridamarlins.gif"; $teams["nymets"] = "newyorkmets.gif"; $teams["philadelphia"] = "philadelphiaphillies.gif"; $teams["washington"] = "washingtonnationals.gif"; $teams["chicagosox"] = "chicagowhitesox.gif"; $teams["cleveland"] = "clevelandindians.gif"; $teams["detroit"] = "detroittigers.gif"; $teams["kansas"] = "kansascityroyals.gif"; $teams["minnesota"] = "minnesotatwins.gif"; $teams["chicagocubs"] = "chicagocubs.gif"; $teams["cincinnati"] = "cinncinatireds.gif"; $teams["houston"] = "houstonastros.gif"; $teams["milwaukee"] = "milwaukeebrewers.gif"; $teams["pittsburgh"] = "pitsburghpirates.gif"; $teams["st.louis"] = "stlouiscardinals.gif"; $teams["laangels"] = "losangelesangels.gif"; $teams["oakland"] = "oaklandathletics.gif"; $teams["seattle"] = "seattlemariners.gif"; $teams["texas"] = "texasrangers.gif"; $teams["arizona"] = "arizonadiamondbacks.gif"; $teams["colorado"] = "coloradorockies.gif"; $teams["ladodgers"] = "losangelesdodgers.gif"; $teams["sandiego"] = "sandiegopadres.gif"; $teams["sanfrancisco"] = "sanfranciscogiants.gif"; $abbr["arizona"] = "ARI"; $abbr["oakland"] = "OAK"; $abbr["baltimore"] = "BAL"; $abbr["tampa"] = "TAM"; $abbr["boston"] = "BOS"; $abbr["nyyankees"] = "NYY"; $abbr["texas"] = "TEX"; $abbr["toronto"] = "TOR"; $abbr["laangels"] = "LAA"; $abbr["atlanta"] = "ALT"; $abbr["colorado"] = "COL"; $abbr["philadelphia"] = "PHI"; $abbr["florida"] = "FLA"; $abbr["milwaukee"] = "MIL"; $abbr["washington"] = "WAS"; $abbr["chicagosox"] = "CHW"; $abbr["cleveland"] = "CLE"; $abbr["detroit"] = "DET"; $abbr["seattle"] = "SEA"; $abbr["sanfrancisco"] = "SFO"; $abbr["st.louis"] = "STL"; $abbr["chicagocubs"] = "CHC"; $abbr["houston"] = "HOU"; $abbr["nymets"] = "NYM"; $abbr["cincinnati"] = "CIN"; $abbr["sandiego"] = "SDG"; $abbr["ladodgers"] = "LAD"; $abbr["pittsburgh"] = "PIT"; $abbr["minnesota"] = "MIN"; $abbr["kansas"] = "KAN"; ?

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  • ProgressDialog not working in external AsyncTask

    - by eric
    I'm beginning to think that to get a ProgressDialog to work the AsyncTask has to be an inner class within an Activity class. True? I have an activity the uses a database to manipulate information. If the database is populated all is well. If it is not populated then I need to download information from a website, populate the database, then access the populated database to complete the Views in onCreate. Problem is without some means to determine when the AsyncTask thread has finished populating the database, I get the following Force Close error message: Sorry! The application has stopped unexpectedly. I click on the Force Close button, the background AsyncTask thread continues to work, the database gets populated, and everything works ok. I need to get rid of that error message and need some help on how to do this. Here's some psuedo code: public class ViewStuff extends Activity { onCreate { if(database is populated) do_stuff else { FillDB task = null; if(task == null || task.getStatus().equals(AsyncTask.Status.FINISHED)) { task = new FillDB(context); task.execute(null); } } continue with onCreate using information from database to properly display } // end onCreate } // end class In a separate file: public class FillDB extends AsyncTask<Void, Void, Void> { private Context context; public FillDB (Context c) //pass the context in the constructor { context = c; } public void filldb () { doInBackground(); } @Override protected void onPreExecute() { ProgressDialog progressDialog = new ProgressDialog(context); //crashes with the following line progressDialog.show(context, "Working..", "Retrieving info"); } @Override protected Void doInBackground(Void... params) { // TODO Auto-generated method stub try etc etc etc } } What am I doing wrong?

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  • setSelection on Spinner based on rowId

    - by awiden
    Hi! I have a Spinner View that's populated through a SimpleCursorAdapter. Based on the selection I need to save the rowid in the entry database (position won't work because things can be added and deleted from the Spinner Database). This I can do by using spinner.getAdapter().getItemId(pos) . But When I edit an entry I need to make the Spinner position selected that is associated with this rowid (currently). spinner.setSelection(position) won't work because I have the rowid, I need a way to find the current position of the item in the current spinner based on the rowid in the database.

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  • Seekbar: two instances of OnSeekBarChangeListener issues

    - by fordays
    Hi, I'm using two SeekBar widgets and I am encountering some trouble having them coexist at the same time. Can anyone suggest how to modify my code to work on the same Activity? SeekBar ageSeek = (SeekBar)findViewById(R.id.ageSeek); ageSeek.setOnSeekBarChangeListener(new OnSeekBarChangeListener() { @Override public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { if(fromUser) { age = progress; EditAge.setText(Integer.toString(age)); } } @Override public void onStartTrackingTouch(SeekBar seekBar) { // TODO Auto-generated method stub } @Override public void onStopTrackingTouch(SeekBar seekBar) { } }); SeekBar serumSeek = (SeekBar)findViewById(R.id.serumSeek); serumSeek.setOnSeekBarChangeListener(new OnSeekBarChangeListener(){ @Override public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { if(fromUser) { serum = progress; EditSerum.setText(Double.toString(serum)); } } @Override public void onStartTrackingTouch(SeekBar seekBar) { // TODO Auto-generated method stub } @Override public void onStopTrackingTouch(SeekBar seekBar) { } }); }

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  • Application threads vs Service threads

    - by zerayaqob
    What are the advantages/disadvantages in placing a lengthy network access code in a thread in an activity or a thread in a service? How would it affect the application? I am writing a streaming audio player and from what I've read so far putting the code in a service will still end up blocking the application so a new thread is needed, does anyone know if it makes more sense to put this piece of code in a service. Thanks

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  • How to properly use glDiscardFramebufferEXT

    - by Rafael Spring
    This question relates to the OpenGL ES 2.0 Extension EXT_discard_framebuffer. It is unclear to me which cases justify the use of this extension. If I call glDiscardFramebufferEXT() and it puts the specified attachable images in an undefined state this means that either: - I don't care about the content anymore since it has been used with glReadPixels() already, - I don't care about the content anymore since it has been used with glCopyTexSubImage() already, - I shouldn't have made the render in the first place. Clearly, only the 1st two cases make sense or are there other cases in which glDiscardFramebufferEXT() is useful? If yes, which are these cases?

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  • AlertDialog.Builder vs class to extend AlertDialog - Application size

    - by wuntee
    I am trying to figure out what is the best way to go about creating dialogs. I can either create my own Dialog class (which, to me, is more clean and organized), or I can use AlertDialog.Builder (which would be done inline, and funky looking)... What are the positivies and negatives of either implementation? The only thing I can think of is application size...

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  • About lifecycle of activities

    - by janfsd
    In my application I have several activities, the main screen has 4 buttons that each start a different activity. So one of them is a search activity, once it searches it shows you a result activity. This result activity can be reached from other activities, so in general something like this: Main activity -> Search activity -> Result activity Main acitivty -> someother activity -> Result activity Now, if I have reached this result activity and press back once or twice, and after that press the Home key it will show the Home screen. But if I want to get back to my application by holding the Home button and clicking on my app it will always go back to the Result activity, no matter which activity was the last one I was using. And if I press again back it will take me back to the Home screen. If I try it again it will take me again to the Result activity. The only way to avoid this is to start the application by clicking on the app's icon. And this takes me to the last activity I was using and it remembers the state so if I press back again it doesn't take me to the Home screen, instead to the activity before it. To illustrate this: Main activity -> Search activity -> result activity --back--> Search activity --Home Button--> Home Screen --Hold Home and select the app --> Result activity --back--> Home Screen --Click application icon--> Search activity --back--> Main activity Another thing that happens is that if I press the Home button while on the Result activity, and start the app by clicking the icon, it will take me to the activity prior the the Result one. Why is this happening? Any workarounds?

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