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  • Aftering captureing a layout screenshot, ImageView is transparent

    - by Behnam
    After capturing a layout screenshot, Containing ImageViews pixels is semi-transparent ( it's abnormal ). Also widget that has transparent color is transparent ( it's normal ). Solid widget is not transparent ( it's normal ). Source of imageviews is JPG files ( so no transparent pixels in the bitmap ). Code: final Bitmap rawBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); final Canvas canvas = new Canvas(rawBitmap); rendererView.layout(0, 0, width, height); rendererView.draw(canvas); rawBitmap.compress(CompressFormat.PNG, 100, new FileOutputStream("/sdcard/test" + System.currentTimeMillis() + ".png")); Result:

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  • How can I get unfiltered position in filtered ListView?

    - by Julius
    I am using ListView with ArrayAdapter to filter items in list. I have implemented onListItemClick() method to get clicked item position and call second activity using that value. For example I have countries in my list: Australia Belgium Botswana Belize ... Belgium has position 1 here. However, if i type "Be" to filter items, I get one item as a result: Belgium Now if I click on this item, I get position 0 in onListItemClick(). But this behavior does not fit my needs. How can I get this item's unfiltered position (eg. 1 instead of 0)?

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  • A question about DOM parser used with Python

    - by fixxxer
    I'm using the following python code to search for a node in an XML file and changing the value of an attribute of one of it's children.Changes are happening correctly when the node is displayed using toxml().But, when it is written to a file, the attributes rearrange themselves(as seen in the Source and the Final XML below). Could anyone explain how and why this happen? Python code: #!/usr/bin/env python import xml from xml.dom.minidom import parse dom=parse("max.xml") #print "Please enter the store name:" for sku in dom.getElementsByTagName("node"): if sku.getAttribute("name") == "store": sku.childNodes[1].childNodes[5].setAttribute("value","Delhi,India") print sku.toxml() xml.dom.ext.PrettyPrint(dom, open("new.xml", "w")) a part of the Source XML: <node name='store' node_id='515' module='mpx.lib.node.simple_value.SimpleValue' config_builder='' inherant='false' description='Configurable Value'> <match> <property name='1' value='point'/> <property name='2' value='0'/> <property name='val' value='Store# 09204 Staten Island, NY'/> <property name='3' value='str'/> </match> </node> Final XML : <node config_builder="" description="Configurable Value" inherant="false" module="mpx.lib.node.simple_value.SimpleValue" name="store" node_id="515"> <match> <property name="1" value="point"/> <property name="2" value="0"/> <property name="val" value="Delhi,India"/> <property name="3" value="str"/> </match> </node>

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  • Set focus on a runing Activity

    - by Raymond
    Hi all, I have an Activity that keeps running after the HOME button is pressed (naturally) and of-course the focus is in the home screen, and when the running process ends i need to restore the focus on that activity... in more PC expression, i need to maximize the application ;) Any help is good. thx in advance.

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  • How to gradient fill a button's background?

    - by Samuh
    I have to create a colored button with gradient fill(starting from the middle of the button along Y axis). If I set the background property of the button to the color I want, I lose the rounded look and feel of a button and also the gradient fill(It looks like a TextView with a background). Also, I want this color to change when the user depresses the button. Can i specify this via selector XMLs(Color State Lists)? Any tutorials or links that can help me here is appreciated. Thanks.

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  • ListView OnItemClickListener Not Responding?

    - by GuyNoir
    I've looked everywhere for a solution to this, but I can't figure out how to implement it. My OnItemClickListener was disabled somehow on my ListView rows, because I have an ImageButton in the row layout, which takes over the focus. There have been numerous questions I've found, but none of them have gotten me anywhere. I've checked this question, but I couldn't really make heads or tails of it. I just need a way to get the rows clickable so that I can detect when a row is pressed. Long press and focus work fine.

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  • Why isn't multi-touch working for my imagebuttons?

    - by Droidy
    I'm using imagebuttons that play sounds using SoundPool. Here is example code of one of the imagebuttons: ImageButton Button1 = (ImageButton)findViewById(R.id.sound); Button1.setOnTouchListener(new OnTouchListener() { public boolean onTouch(View v, MotionEvent event) { if (event.getAction() == MotionEvent.ACTION_DOWN ) { mSoundManager.playSound(1); return false; } return false; } }); For some reason, it doesn't allow you to click multiple buttons at the same time. Is it because I'm building for 1.6 SDK? Thanks!

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  • How to check if vibration happened, in logcat?

    - by Mithraa
    I searched in the web but i couldn find a single article dealing in a straight forward way on how to find the vibrate on/off logs in logcat. If anybody who is aware of the procedure, please enlighten me. Once again i need it specifically to check if my app triggers vibrator or not...

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  • Forbid GridView to load all views at once

    - by efpies
    I have about 700 items to display in the grid view. On a Samsung Galaxy Tab 10.1 this is not a problem: it has enough memory. On a HTC Explorer the heap is overflown. So I want to load data dynamically regarding current scroll position (N rows for screen + 5 rows as a tail). And I want to show a scrollbar which represents the position in total rows. But I don't want to draw items that I don't see. In other words, I want to create something similar to UITableView in iOS. How can I do this?

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  • Ruby ROXML - how to get an array to render its xml?

    - by Brian D.
    I'm trying to create a Messages object that inherits Array. The messages will gather a group of Message objects. I'm trying to create an xml output with ROXML that looks like this: <messages> <message> <type></type> <code></code> <body></body> </message> ... </messages> However, I can't figure out how to get the message objects in the Messages object to display in the xml. Here is the code I've been working with: require 'roxml' class Message include ROXML xml_accessor :type xml_accessor :code xml_accessor :body end class Messages < Array include ROXML # I think this is the problem - but how do I tell ROXML that # the messages are in this instance of array? xml_accessor :messages, :as => [Message] def add(message) self << message end end message = Message.new message.type = "error" message.code = "1234" message.body = "This is a test message." messages = Messages.new messages.add message puts messages.length puts messages.to_xml This outputs: 1 <messages/> So, the message object I added to messages isn't getting displayed. Anyone have any ideas? Or am I going about this the wrong way? Thanks for any help.

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  • Why notify listeners in a content provider query method?

    - by cbrulak
    Vegeolla has this blog post about content providers and the snippet below (at the bottom) with this line: cursor.setNotificationUri(getContext().getContentResolver(), uri); I'm curious as to why one would want to notify listeners about a query operation. Am I missing something? Thanks @Override public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) { // Uisng SQLiteQueryBuilder instead of query() method SQLiteQueryBuilder queryBuilder = new SQLiteQueryBuilder(); // Check if the caller has requested a column which does not exists checkColumns(projection); // Set the table queryBuilder.setTables(TodoTable.TABLE_TODO); int uriType = sURIMatcher.match(uri); switch (uriType) { case TODOS: break; case TODO_ID: // Adding the ID to the original query queryBuilder.appendWhere(TodoTable.COLUMN_ID + "=" + uri.getLastPathSegment()); break; default: throw new IllegalArgumentException("Unknown URI: " + uri); } SQLiteDatabase db = database.getWritableDatabase(); Cursor cursor = queryBuilder.query(db, projection, selection, selectionArgs, null, null, sortOrder); // Make sure that potential listeners are getting notified cursor.setNotificationUri(getContext().getContentResolver(), uri); return cursor; }

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  • applicaion and local service lifetime

    - by rayman
    As i understoond, if we have local service of some application, as soon as the application goes down, the service goes down as well - is that true? and if it is, how can we make an application to run all the time without go down? (without using Alarm manager). i though that the purpose of local service is to answer this situation: " to make the application everlasting" please, if some1 could explain me this better, thanks, ray.

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  • How to fix IllegalStateException error when trying to update a listview?

    - by Michael Vetrano
    Hi guys, I am trying to get this code to run, but I get an IllegalStateException when I run this code saying that the content of the listview wasn't notified, yet I have a notification upon updating the data. This is a custom listview adapter. Here is the relevant part of my code: class LoadingThread extends Thread { public void run() { int itemsOriginallyLoaded = 0; synchronized( items ) { itemsOriginallyLoaded = items.size(); } for( int i = itemsOriginallyLoaded ; i < itemsToLoad ; ++i ) { Log.d( LOG_TAG, "Loading item #"+i ); //String item = "FAIL"; //try { String item = "FAIL"; try { item = stockGrabber.getStockString(dataSource.get(i)); } catch (ApiException e) { Log.e(LOG_TAG, "Problem making API request", e); } catch (ParseException e) { Log.e(LOG_TAG, "Problem parsing API request", e); } //} catch (ApiException e) { // Log.e(TAG, "Problem making API request", e); //} catch (ParseException e) { // Log.e(TAG, "Problem parsing API request", e); //} synchronized( items ) { items.add( item ); } itemsLoaded = i+1; uiHandler.post( updateTask ); Log.d( LOG_TAG, "Published item #"+i ); } if( itemsLoaded >= ( dataSource.size() - 1 ) ) allItemsLoaded = true; synchronized( loading ) { loading = Boolean.FALSE; } } } class UIUpdateTask implements Runnable { public void run() { Log.d( LOG_TAG, "Publishing progress" ); notifyDataSetChanged(); } }

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  • How to retain canvas state and use it in onDraw() method

    - by marqss
    I want to make a measure tape component for my app. It should look something like this with values from 0cm to 1000cm: Initially I created long bitmap image with repeated tape background. I drew that image to canvas in onDraw() method of my TapeView (extended ImageView). Then I drew a set of numbers with drawText() on top of the canvas. public TapeView(Context context, AttributeSet attrs){ ImageView imageView = new ImageView(mContext); LayoutParams params = new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.FILL_PARENT); imageView.setLayoutParams(params); mBitmap = createTapeBitmap(); imageView.setImageBitmap(mBitmap); this.addView(imageView); } private Bitmap createTapeBitmap(){ Bitmap mBitmap = Bitmap.createBitmap(5000, 100, Config.ARGB_8888); //size of the tape Bitmap tape = BitmapFactory.decodeResource(getResources(),R.drawable.tape);//the image size is 100x100px Bitmap scaledTape = Bitmap.createScaledBitmap(tape, 100, 100, false); Canvas c = new Canvas(mBitmap); Paint paint = new Paint(); paint.setColor(Color.WHITE); paint.setFakeBoldText(true); paint.setAntiAlias(true); paint.setTextSize(30); for(int i=0; i<=500; i++){ //draw background image c.drawBitmap(scaledTape,(i * 200), 0, null); //draw number in the middle of that background String text = String.valueOf(i); int textWidth = (int) paint.measureText(text); int position = (i * 100) + 100 - (textWidth / 2); c.drawText(text, position, 20, paint); } return mBitmap; } Finally I added this view to HorizontalScrollView. At the beginning everything worked beautifully but I realised that the app uses a Lot of memory and sometimes crashed with OutOfMemory exception. It was obvious because a size of the bitmap image was ~4mb! In order to increase the performance, instead of creating the bitmap I use Drawable (with the yellow tape strip) and set the tile mode to REPEAT: setTileModeX(TileMode.REPEAT); The view now is very light but I cannot figure out how to add numbers. There are too many of them to redraw them each time the onDraw method is called. Is there any way that I can draw these numbers on canvas and then save that canvas so it can be reused in onDraw() method?

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  • How do I construct a more complex single LINQ to XML query?

    - by Cyberherbalist
    I'm a LINQ newbie, so the following might turn out to be very simple and obvious once it's answered, but I have to admit that the question is kicking my arse. Given this XML: <measuresystems> <measuresystem name="SI" attitude="proud"> <dimension name="mass" dim="M" degree="1"> <unit name="kilogram" symbol="kg"> <factor name="hundredweight" foreignsystem="US" value="45.359237" /> <factor name="hundredweight" foreignsystem="Imperial" value="50.80234544" /> </unit> </dimension> </measuresystem> </measuresystems> I can query for the value of the conversion factor between kilogram and US hundredweight using the following LINQ to XML, but surely there is a way to condense the four successive queries into a single complex query? XElement mss = XElement.Load(fileName); IEnumerable<XElement> ms = from el in mss.Elements("measuresystem") where (string)el.Attribute("name") == "SI" select el; IEnumerable<XElement> dim = from e2 in ms.Elements("dimension") where (string)e2.Attribute("name") == "mass" select e2; IEnumerable<XElement> unit = from e3 in dim.Elements("unit") where (string)e3.Attribute("name") == "kilogram" select e3; IEnumerable<XElement> factor = from e4 in unit.Elements("factor") where (string)e4.Attribute("name") == "pound" && (string)e4.Attribute("foreignsystem") == "US" select e4; foreach (XElement ex in factor) { Console.WriteLine ((string)ex.Attribute("value")); }

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  • Catch FileNotFoundException in AsyncTask method

    - by Musterknabe
    I'm getting the favicon of a website with a method. Of course not every website has a favicon. So I want to catch it. The app doesn't crash if the website doesn't have a favicon but I still get an FileNotFoundException in the LogCat. The problem I'm encountering is that I can't catch it When I add `catch (FileNotFoundException f) to my try-catch block it tells me Unreachable catch block for FileNotFoundException. This exception is never thrown from the try statement body. The options I have is to remove it or to add a throws declaration to the doInBackground-method. The latter is not possible. This is the whole Try-Catch try{ String baseURL = getBaseURL ( sourceURLArr[i] ); System.out.println(baseURL + "/favicon.ico"); Bitmap favicon = getBitmapFromURL( baseURL + "/favicon.ico"); Drawable fv = new BitmapDrawable(getResources(), Bitmap.createScaledBitmap(favicon, 20, 20, true)); source [i].setCompoundDrawablesWithIntrinsicBounds(fv, null, null, null); } catch(NullPointerException e){ } catch(FileNotFoundException f){ } I already tried to switch the FileNotFoundException with the NullPointerException but it was the same error. When I add the throws to the asynctask do in background method I get Exception FileNotFoundException is not compatible with throws clause in AsyncTask<Void,Void,Void>.doInBackground(Void[]) How can I now catch the FileNotFoundException?

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  • How to use SMS content provider? Where are the docs?

    - by Mark
    Hi, I'd like to be able to read the system's SMS content provider. Basically I wanted to make an SMS messaging app, but it would only be useful if I could see past threads etc. It seems like there's a content provider for this, but I can't find documentation for it - anyone know where that is? Thanks -------- edit ----------- Ok I found a way to get the sms inbox provider, and I just dumped all the column names in that provider, looks like this: Uri uriSms = Uri.parse("content://sms/inbox"); Cursor c = context.getContentResolver().query(uriSms, null,null,null,null); // column names for above provider: 0: _id 1: thread_id 2: address 3: person 4: date 5: protocol 6: read 7: status 8: type 9: reply_path_present 10: subject 11: body 12: service_center 13: locked I'm just piecing this together from random threads I find around the net, I'm really wondering where this is all documented (if at all)? Thanks again

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  • Is the video recording possible in the background service?

    - by pyt
    Hello, All. I've tried video recording in the background. But had failed. Under normal circumstances, the recording works properly. However, if HOME key down- Home screen or Other Activity is running, recording terminates. In such a situation, I want to record continuously. I want to record whole process! What should I do? thanks. -Michael

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  • SAX Parser Exceprtion

    - by sairam333
    When I run my application the following error willl be occured some times only,Can u explain why it is occured some times only and what i sthe solution for this and the error message is 03-13 14:38:18.055: WARN/System.err(1866): org.xml.sax.SAXParseException: expected: '' actual: '?' (position:END_TAG @137:35 in java.io.StringReader@438e0ef0) 03-13 14:38:18.064: WARN/System.err(1866): at org.apache.harmony.xml.parsers.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:151) 03-13 14:38:18.074: WARN/System.err(1866): at com.fitzengineering.teslaworldnet.interfacelayer.ParseXMLString.convertPeoples(ParseXMLString.java:484) 03-13 14:38:18.074: WARN/System.err(1866): at com.fitzengineering.teslaworldnet.presentationlayer.People.onCreate(People.java:91) 03-13 14:38:18.074: WARN/System.err(1866): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1123) 03-13 14:38:18.084: WARN/System.err(1866): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2231) 03-13 14:38:18.095: WARN/System.err(1866): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2284) 03-13 14:38:18.104: WARN/System.err(1866): at android.app.ActivityThread.access$1800(ActivityThread.java:112)03-13 14:38:18.104: WARN/System.err(1866): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1692) 03-13 14:38:18.114: WARN/System.err(1866): at android.os.Handler.dispatchMessage(Handler.java:99) 03-13 14:38:18.124: WARN/System.err(1866): at android.os.Looper.loop(Looper.java:123) 03-13 14:38:18.134: WARN/System.err(1866): at android.app.ActivityThread.main(ActivityThread.java:3948) 03-13 14:38:18.134: WARN/System.err(1866): at java.lang.reflect.Method.invokeNative(Native Method) 03-13 14:38:18.144: WARN/System.err(1866): at java.lang.reflect.Method.invoke(Method.java:521) 03-13 14:38:18.144: WARN/System.err(1866): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:782) 03-13 14:38:18.154: WARN/System.err(1866): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:540) 03-13 14:38:18.154: WARN/System.err(1866): Thanks in advance

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  • Extended SurfaceView onDraw never called

    - by Gab Royer
    Hi, I'm trying to modify the SurfaceView I use for doing a camera preview in order to display an overlaying square. However, the onDraw method of the extended SurfaceView is never called. Here is the source : public class CameraPreviewView extends SurfaceView { protected final Paint rectanglePaint = new Paint(); public CameraPreviewView(Context context, AttributeSet attrs) { super(context, attrs); rectanglePaint.setARGB(255, 200, 0, 0); rectanglePaint.setStyle(Paint.Style.FILL); rectanglePaint.setStrokeWidth(2); } @Override protected void onDraw(Canvas canvas){ canvas.drawRect(new Rect(10,10,200,200), rectanglePaint); Log.w(this.getClass().getName(), "On Draw Called"); } } public class CameraPreview extends Activity implements SurfaceHolder.Callback{ private SurfaceHolder holder; private Camera camera; @Override protected void onCreate(Bundle savedInstanceState){ super.onCreate(savedInstanceState); // We remove the status bar, title bar and make the application fullscreen requestWindowFeature(Window.FEATURE_NO_TITLE); getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); // We set the content view to be the layout we made setContentView(R.layout.camera_preview); // We register the activity to handle the callbacks of the SurfaceView CameraPreviewView surfaceView = (CameraPreviewView) findViewById(R.id.camera_surface); holder = surfaceView.getHolder(); holder.addCallback(this); holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); } public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { Camera.Parameters params = camera.getParameters(); params.setPreviewSize(width, height); camera.setParameters(params); try { camera.setPreviewDisplay(holder); } catch (IOException e) { e.printStackTrace(); } camera.startPreview(); } public void surfaceCreated(SurfaceHolder holder) { camera = Camera.open(); } public void surfaceDestroyed(SurfaceHolder holder) { camera.stopPreview(); camera.release(); } }

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  • Create manual versions

    - by rayman
    Hi, Iam planning to create an app, and not to publish it at the google market. i want the users to update thire app once in a while when an updates will be rlsd via server(let's not get into the idea how i gonna do this)... so for this i need to give to each app some ID, so i know that that user gotta update his app, and not new installation (i wanna avoid the case the user will have two versions of the app).. and ofcourse install the app to new users. how could i sign those apps with version when i rls an update manually? mybe some other idea? thanks, ray.

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