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  • Use of SAX parser in Android - OutOfMemory Issue

    - by Sephy
    Hi everybody, I have been using a SAX parser for a while now to get data from various XML, but today i'm banging my head on a new problem with a hudge XML (compared to the previous ones . here around 12k lines) with a lot of repetitive items in it. Most of the time, the items are part of a block : <content> <item lbl="blabla"> <item lbl="blabla"/> <item lbl="blabla"/> </item> <item lbl="blabla"> <item lbl="blabla"/> <item lbl="blabla"/> <item lbl="blabla"/> <item lbl="blabla"/> <item lbl="blabla"/> <item lbl="blabla"/> </item> </content> The blabla part is of course changing...But, I would like to keep the structure of items (they are titles and subtitles). And for that, I append each blabla with a starting and ending tag blabla, where x is the position in the tree of items (1, 2, 3 or 4). The slightly problematic part is that with that, I'm creating thousands of useless objects and the garbage collector doesn't have time to clean after the parser, and the inevitable OutOfMemory comes in my face... I have no idea of how to deal with it; The best technique would be if I could take the whole content of , but i'm not sure that this is possible with a SAX parser. Any help is welcome and any solution deeply thanked...

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  • Android Canvas.drawString display problem

    - by Arkaha
    Hello everyone! I encounter this problem when displaying text on SurfaceView, some chars can climb up on others, code is here: private static void fakeDraw(Canvas c) { Paint mPaint = new Paint(); int color = 0xff000000; mPaint.setColor(color); mPaint.setStrokeWidth(2); mPaint.setStyle(Style.FILL); mPaint.setAntiAlias(true); FontMetricsInt fm = mPaint.getFontMetricsInt(); int fh = Math.abs(fm.top); int left = 0; int top = 100; Rect smallClip = new Rect(left, top-fh, left + 200, top + 30); Rect bigClip = new Rect(0, 0, getW(), getH()); c.drawRect(bigClip, mPaint); String text1 = "Evi"; String text2 = ">>"; String text3 = "Tom"; color = 0xff303030; mPaint.setColor(color); c.drawRect(smallClip, mPaint); color = 0xffffffff; mPaint.setColor(color); c.drawText(text1, left, top, mPaint); Rect bounds = new Rect(); mPaint.getTextBounds(text1, 0, text1.length(), bounds); left += bounds.width(); c.drawText(text2, left, top, mPaint); left -= bounds.width(); top += 12; c.drawText(text3, left, top, mPaint); mPaint.getTextBounds(text3, 0, text3.length(), bounds); left += bounds.width(); c.drawText(text2, left, top, mPaint); } In the case of a second text Tom all displayed correctly, but the first text Evi not. The problem is that the chars draws in Evi draw space(last char "i")!! It is possible to see if you zoom the picture, what am I doing wrong and how to fix this? screen shot can be found here:

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  • prevent screen rotation android

    - by Sephy
    hi everybody, I have one of my activities which I would like to prevent from rotating because i'm starting an AsynTask, and screen rotation makes it restart... so is there any way to tell this activity "DO NOT ROTATE the screen even if the user is shaking his phone like mad"? Thx for the constant help guys.

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  • Android VideoView - Detect point of time in video

    - by Chris
    Hi all, I am using a VideoView to display a video. I am using setOnPreparedListener and setOnCompletionListener to do stuff before and after the video starts and ends. I was wondering how I could go about detecting some point of time in the video. For eg, say I want to write log to a file when the video has played for 10s. How can I detect the 10s mark? Thanks Chris

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  • Sending and Parsing JSON in Android

    - by primal
    Hi, In the application I am developing, I would like to send messages in the form of JSON objects to a Django Server and parse the JSON response from the server and populate a custom listview. From the little JSON knowledge I have, I thought this format for the response from server { "post": { "username": "someusername", "message": "this is a sweet message", "image": "http://localhost/someimage.jpg", "time": "present time" }, } How much knowledge of JSON should I have to accomplish this purpose? Also it would be great if someone could provide me links of some tutorials for sending and parsing JSON Objects.

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  • Casting and getting values from date picker and time picker in android

    - by Rahul Varma
    Hi , I have a date picker and a time picker in my app. Can anyone tell me how to get the values of the date and time that are selected??? What i mean to say is, for EditText we can declare as final EditText Name = (EditText) this.findViewById(R.id.nametext); and we can cast the data of it by using Name.getText().toString(). So similarly how can we get the values of date picker and time picker to a string???

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  • Android Cursor size

    - by Deborah Kim
    Hey, Anyone knows how to change cursor size in Edittext in Anroid??? I'm trying to implement SMS function. I used EditText and tried to put background image. The background image has lines so I need to put extra space between lines so that the background image and the lines fit nicely. But... if I use linespacingextra, it increase cursor as well. That means the fontsize will be smaller than the cursor size. Any idea??

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  • Efficient Map Overlays in on Android Google Map...

    - by Ahsan
    Hi Friends, I want to do the following and am kind of stuck on these for a few days.... 1) I have used helloItemizedOverlay to add about 150 markers and it gets very very slow.....any idea what to do ? I was thinking about threads....(handler) ... 2) I was trying to draw poly lines ( I have encoded polylines, but have managed to decoded those) that move when I move the map.....(the only solution that I found was for Geopoints to be transformed into screen co-ordinates...which wont move if I move the map !) 3) I was looking for some sort of a timer function that executes a given function, say, every 1 minute or so.... 4) I was also looking for ways to clear the Google map from all the markers/lines etc.... Thanks a lot... :) - ahsan

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  • Android : Bitmap save to location

    - by Chrispix
    I am working on a function to download an image from a web server, redisplay it on the screen, and if the user wishes to keep the image, save it on the SD card in a certain folder. Is there an easy way to take a bitmap and just save it to the SD card in a folder of my choice? My issue is that I can download the image, display it on screen as a Bitmap. The only way I have been able to find to save an image to a particular folder is to use FileOutputStream, but that requires a byte array. I am not sure how to convert (if this is even the right way) from Bitmap to byte array, so I can use a Fileoutput stream to write the data. The other option I have is it use MediaStore : MediaStore.Images.Media.insertImage(getContentResolver(), bm, barcodeNumber + ".jpg Card Image", barcodeNumber + ".jpg Card Image"); Which works fine to save to SD card, but does not allow you to customize the folder. Any assistance would be very much appreciated. Thank you in advance.

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  • Android VideoView LinearLayout.LayoutParams

    - by Chris
    I am playing a video using VideoView in my app. When I play it on Droid with linearlayout params FILL_PARENT, FILL_PARENT, it plays well. The same params do not work well for a myTouch. What params can I use that will work well with most devices? Thanks Chris

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  • (Android SDk 2.1) Getting error when I use setAudioSource and setVideoSource

    - by Rainfer
    I got the follow error when I run setAudioSource and setVideoSource. 03-16 10:26:25.302: ERROR/audio_input(52): unsupported parameter: x-pvmf/media-input-node/cap-config-interface;valtype=key_specific_value 03-16 10:26:25.302: ERROR/audio_input(52): VerifyAndSetParameter failed 03-16 10:26:25.302: ERROR/CameraInput(52): Unsupported parameter(x-pvmf/media-input-node/cap-config-interface;valtype=key_specific_value) 03-16 10:26:25.302: ERROR/CameraInput(52): VerifiyAndSetParameter failed on parameter #0 This error happen on both emulator and the device. (I am using Google nexus one) I have set the CAMERA and RECORD_AUDIO user permission already. I spent many days but I still cannot figure out what is the cause of this runtime error.

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  • How to draw the graph in android based on its height and size

    - by Rakesh
    i want to draw a graph in a area and i used a linear layout as area.i want to set the size of the graph area,which should be compatible to small,medium ,default emulators etc.i need to set the size for graph area,how can i do it in xml file for eg in blackberry we use Display.getWidth();Similar is there way to get the width of the display either programmatically or in xml Regards Rakesh Shankar.p

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  • android bindservice

    - by mnish
    hi, I get null pointer exception at line mService.start() when i try to bind to an already started service. I do the same thing from different activity(where the service gets started) everythig goes right. All these activities are part of one application. What do you think I do wrong? public class RouteOnMap extends MapActivity{ private static final int NEW_LOCATION = 1; private static final int GPS_OFF = 2; private MapView mMapView; private ILocService mService; private boolean mServiceStarted; private boolean mBound; private Intent mServiceIntent; private double mLatitude, mLongitude; private ServiceConnection connection = new ServiceConnection() { public void onServiceConnected(ComponentName className, IBinder iservice) { mService = ILocService.Stub.asInterface(iservice); mBound = true; } public void onServiceDisconnected(ComponentName className) { mService = null; mBound = false; } }; public void onCreate(Bundle savedInstanceState){ super.onCreate(savedInstanceState); setContentView(R.layout.mapview); mMapView = (MapView) findViewById(R.id.mapview); mMapView.setBuiltInZoomControls(true); mServiceIntent = new Intent(); mLatitude = 0.0; mLongitude = 0.0; mBound = false; } @Override public void onStart(){ super.onStart(); mServiceIntent.setClass(this, LocationService.class); //startService(mServiceIntent); if(!mBound){ mBound = true; this.bindService(mServiceIntent, connection, Context.BIND_AUTO_CREATE); } } @Override public void onResume(){ super.onResume(); try { mService.start(); } catch (RemoteException e) { e.printStackTrace(); } } @Override public void onPause(){ super.onPause(); if(mBound){ this.unbindService(connection); } } @Override protected boolean isRouteDisplayed() { // TODO Auto-generated method stub return false; } }

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  • Android HttpPost: how to get the result

    - by Sumit M Asok
    I have been trying long to send an HttpPost request and retrieve response but even though I was able to make a connection I don't yet get how to get the string message which is returned by the request-response HttpClient httpclient = new DefaultHttpClient(); HttpPost httppost = new HttpPost("http://www.myurl.com/app/page.php"); // Add your data List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(5); nameValuePairs.add(new BasicNameValuePair("type", "20")); nameValuePairs.add(new BasicNameValuePair("mob", "919895865899")); nameValuePairs.add(new BasicNameValuePair("pack", "0")); nameValuePairs.add(new BasicNameValuePair("exchk", "1")); try { httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs)); Log.d("myapp", "works till here. 2"); try { HttpResponse response = httpclient.execute(httppost); Log.d("myapp", "response " + response.getEntity()); } catch (ClientProtocolException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } catch (UnsupportedEncodingException e) { e.printStackTrace(); } I'm sorry, I sound very naive because I'm new to java. Please help me.

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  • Android Download Intent

    - by Isaac Waller
    Hello, I was wondering what is the intent for downloading URLs? In the browser, it will download stuff with a little notification icon. I was wondering if I can use that intent (and what it is). Thanks, Isaac Waller

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  • play youtube video in WebView

    - by Ionic Walrus
    Hi all, In my android app I have a WebView to display html data from our website. Sometimes the page will have youtube embed objects. This doesn't show up properly in the app. Is there any way to show/play youtube videos in WebView ? Thanks.

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  • Return ArrayList from .net web service to android application using kSoap

    - by benjamin schultz
    My web service is returning quite a bit of data, so i'm storing it in an arraylist and returning that to my application. I don't know whether or not this is the preferred method or not. When the arraylist is returned and displayed in my application, it also displays the arraylists "anyType" section. I'm new to this whole process so i'm sure i'm missing something somewhere or going about this incorrectly. Can anyone point me in the right direction please?

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  • Android Maps Back Button

    - by aaronr
    I'm developing an application that shows a path on a map, determined by a KML file. Specifically, in the MapActivity that is starting the map: public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); MapView mapView = (MapView) findViewById(R.id.mapview); mapView.setBuiltInZoomControls(true); Uri uri = Uri.parse("geo:0,0?q=http://urltokml"); Intent mapIntent = new Intent(Intent.ACTION_VIEW, uri); mapIntent.setData(uri); startActivity(Intent.createChooser(mapIntent, kmlFile)); finish(); } The map loads fine and after a few seconds the path described by the KML shows up. The problem is, when I press the "Back" button, it does not return to the previous screen but instead just hides the KML overlay. If the "Back" button is pressed again, it will return to the previous screen. Any ideas of how to solve this?

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  • Compile android project to apk without eclipse

    - by sandis
    What I have done is I have taken the class-files from my eclipse project and run them trough an optimizer/obfuscator. So I now have optimized class-files that I want to get in the form of an apk so I can sign and publish it. However, I am lost on how to do this. I guess I cant just copy them into the bin-folder of my eclipse-project, because eclipse would just overwrite them with a new compilation when I try to export a signed apk. So how do I create an apk from these class-files? Cheers,

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  • Android check for dependent application during installation?

    - by user278445
    Hi I want to publish my application (ABC). Its an audiobook file(just for example.) wrapped as apk. When the user install this application it needs to check whether another application (XYZ) already installed or not. If not let the user know they have to install the application XYZ first before installing ABC. Thanks in advance Rajesh

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