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  • Conditional attribute in XML - most concise solution?

    - by Lech Rzedzicki
    I am tasked with setting up conditional profiling - a method of tagging chunks of XML with an attribute, which will then be used as a conditional value to extract subset of that XML. Have a look at another definition/example: DITA profiling The XML is documents that are equivalent to printed books - i.e. documents that are often looked at by a human, even if indirectly. Therefore I am looking at a few requirements here: 1. keeping the value list brief - so it doesn't affect the readability of the document 2. be able to process with standard XML tools - a space-separated list inside an attribute is still probably fine, but I'd rather not use too much regexp for this 3. be obvious for various users, including 3rd parties, which content goes where 4. Be easy to maintain going forward Therefore one easy solution is: The problem with this: 1. As the list grows the value of the attribute can be a bit verbose 2. One needs to explicitly state every value even if it's a scenario of this vs everything else Therefore I am also looking at other approaches such as: 1. Using + and - modifiers, Apache htaccess style to override the default cascading of profiling - by default all content goes everywhere and if we want to exclude a bit we just say "-kindle". It does require parsing the whole tree, is not supported by editing tools and one needs to regexp the attribute value a bit deeper... 2. Using an intermediate file to define groups of values such as "other" or "non-print", example of this in DITA. It allows concise XML as well as different grouping and values for each document but it does create a certain level of abstraction which may make it a little less obvious for a 3rd party? Altogether, if you received such XML and were tasked to process it, which option you'd rather receive? If you have any experiences like that, even in an unrelated areas such a builds, don't hesitate to comment!

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  • Loop through XML::Simple structure

    - by David
    So I have some xml file like this: <?xml version="1.0" encoding="ISO-8859-1"?> <root result="0" > <settings user="anonymous" > <s n="blabla1" > <v>true</v> </s> <s n="blabla2" > <v>false</v> </s> <s n="blabla3" > <v>true</v> </s> </settings> </root> I want to go through all the settings using the XML Simple. Here's what I have when I print the output with Data::Dumper: $VAR1 = { 'settings' => { 'user' => 'anonymous', 's' => [ { 'n' => 'blabla1', 'v' => 'true' }, { 'n' => 'blabla2', 'v' => 'false' }, { 'n' => 'blabla3', 'v' => 'true' } ] }, 'result' => '0' }; And here's my code $xml = new XML::Simple; $data = $xml->XMLin($file); foreach $s (keys %{ $data->{'settings'}->{'s'} }) { print "TEST: $s $data->{'settings'}->{'s'}->[$s]->{'n'} $data->{'settings'}->{'s'}->[$s]->{'v'}<br>\n"; } And it returns these 2 lines, without looping: TEST: n blabla1 true TEST: v blabla1 true I also tried to do something like this: foreach $s (keys %{ $data->{'settings'}->{'s'} }) { Without any success: Type of arg 1 to keys must be hash (not array dereference) How can I procede? What am I doing wrong? Thanks a lot!

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  • Find package name for Android apps to use Intent to launch Market app

    - by eom
    I'm creating a mobile website that will include a page from which people can download relevant apps that we recommend. I've found good instructions for creating the links to launch the Market but this assumes that you are the developer of the app in question and know the exact package name. Is there any way to get the package name, other than just contacting the developers and asking? For the iPhone, I found easy instructions for getting the URL I need from the iTunes store, so I'm looking for info like that.

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  • 'Binary XML' for game data?

    - by bluescrn
    I'm working on a level editing tool that saves its data as XML. This is ideal during development, as it's painless to make small changes to the data format, and it works nicely with tree-like data. The downside, though, is that the XML files are rather bloated, mostly due to duplication of tag and attribute names. Also due to numeric data taking significantly more space than using native datatypes. A small level could easily end up as 1Mb+. I want to get these sizes down significantly, especially if the system is to be used for a game on the iPhone or other devices with relatively limited memory. The optimal solution, for memory and performance, would be to convert the XML to a binary level format. But I don't want to do this. I want to keep the format fairly flexible. XML makes it very easy to add new attributes to objects, and give them a default value if an old version of the data is loaded. So I want to keep with the hierarchy of nodes, with attributes as name-value pairs. But I need to store this in a more compact format - to remove the massive duplication of tag/attribute names. Maybe also to give attributes native types, so, for example floating-point data is stored as 4 bytes per float, not as a text string. Google/Wikipedia reveal that 'binary XML' is hardly a new problem - it's been solved a number of times already. Has anyone here got experience with any of the existing systems/standards? - are any ideal for games use - with a free, lightweight and cross-platform parser/loader library (C/C++) available? Or should I reinvent this wheel myself? Or am I better off forgetting the ideal, and just compressing my raw .xml data (it should pack well with zip-like compression), and just taking the memory/performance hit on-load?

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  • Android Application Crashel

    - by deewangan
    hello everyone, i am trying to run an application on an android emulator, but it crashes. i am following a howto i don't know what to do, it just crashes. other applications are running fine, can anyone tell me what i am doing wrong.here is the code: public class Finder extends Activity { /** Called when the activity is first created. */ private LocationManager myLocationManager; private LocationListener myLocationListener; private TextView myLatitude, myLongitude; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); myLatitude = (TextView)findViewById(R.id.Latitude); myLongitude = (TextView)findViewById(R.id.Longitude); myLocationManager = (LocationManager)getSystemService(Context.LOCATION_SERVICE); myLocationListener = new MyLocationListener(); myLocationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER,0,0,myLocationListener); myLatitude.setText(String.valueOf( myLocationManager.getLastKnownLocation( LocationManager.GPS_PROVIDER).getLatitude())); myLongitude.setText(String.valueOf( myLocationManager.getLastKnownLocation( LocationManager.GPS_PROVIDER).getLongitude())); } private class MyLocationListener implements LocationListener{ public void onLocationChanged(Location argLocation) { // TODO Auto-generated method stub myLatitude.setText(String.valueOf( argLocation.getLatitude())); myLongitude.setText(String.valueOf( argLocation.getLongitude())); } public void onProviderDisabled(String provider) { // TODO Auto-generated method stub } public void onProviderEnabled(String provider) { // TODO Auto-generated method stub } public void onStatusChanged(String provider, int status, Bundle extras) { // TODO Auto-generated method stub } }; } i looked in the logcat after running the application, it seems that the following lines are cause of the problem but i don't understand it:( 01-18 22:12:46.017: WARN/dalvikvm(1091): threadid=3: thread exiting with uncaught exception (group=0x4001aa28) 01-18 22:12:46.017: ERROR/AndroidRuntime(1091): Uncaught handler: thread main exiting due to uncaught exception 01-18 22:12:46.037: ERROR/AndroidRuntime(1091): java.lang.RuntimeException: Unable to start activity ComponentInfo{pro.googleLocation/pro.googleLocation.Finder}: java.lang.NullPointerException 01-18 22:12:46.037: ERROR/AndroidRuntime(1091): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2401) 01-18 22:12:46.037: ERROR/AndroidRuntime(1091): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2417) 01-18 22:12:46.037: ERROR/AndroidRuntime(1091): at android.app.ActivityThread.access$2100(ActivityThread.java:116) 01-18 22:12:46.037: ERROR/AndroidRuntime(1091): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1794) 01-18 22:12:46.037: ERROR/AndroidRuntime(1091): at android.os.Handler.dispatchMessage(Handler.java:99) 01-18 22:12:46.037: ERROR/AndroidRuntime(1091): at android.os.Looper.loop(Looper.java:123) 01-18 22:12:46.037: ERROR/AndroidRuntime(1091): at android.app.ActivityThread.main(ActivityThread.java:4203) 01-18 22:12:46.037: ERROR/AndroidRuntime(1091): at java.lang.reflect.Method.invokeNative(Native Method) 01-18 22:12:46.037: ERROR/AndroidRuntime(1091): at java.lang.reflect.Method.invoke(Method.java:521) 01-18 22:12:46.037: ERROR/AndroidRuntime(1091): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:791) 01-18 22:12:46.037: ERROR/AndroidRuntime(1091): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:549) 01-18 22:12:46.037: ERROR/AndroidRuntime(1091): at dalvik.system.NativeStart.main(Native Method) 01-18 22:12:46.037: ERROR/AndroidRuntime(1091): Caused by: java.lang.NullPointerException 01-18 22:12:46.037: ERROR/AndroidRuntime(1091): at pro.googleLocation.Finder.onCreate(Finder.java:28) 01-18 22:12:46.037: ERROR/AndroidRuntime(1091): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1123) 01-18 22:12:46.037: ERROR/AndroidRuntime(1091): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2364) 01-18 22:12:46.037: ERROR/AndroidRuntime(1091): ... 11 more

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  • How do I speed up XML parsing operation?

    - by absentx
    I currently have a php script set up to do some xml parsing. Sometimes the script is set as an on page include and other times it is accessed via an ajax call. The problem is the load time for this particular page is very long. I started to think that the php I had written to find what I need in the XML was written poorly and my script is very resource intense. After much research and testing the problem is indeed not my scripting (well perhaps you could consider it a problem with my scripting), but it looks like it takes a long time to load the particular xml sources. My code is like such: $source_recent = 'my xml feed'; $source_additional = 'the other feed I need'; $xmlstr_recent = file_get_contents($source_recent); $feed_recent = new SimpleXMLElement($xmlstr_recent); $xmlstr_additional = file_get_contents($source_additional); $feed_additional = new SimpleXMLElement($xmlstr_additional); In all my testing, the above code is what takes the time, not the additional processing I do below. Is there anyway around this or am I at the mercy of the load time of the xml URL's? One crazy thought I had to get around it is to load the xml contents into a db every so often, then just query the db for what I need. Thoughts? Ideas?

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  • Android TextView Linkify problem with phone numbers and application version number

    - by Gaks
    I have a problem with TextView and autoLink feature. I have an about screen in my application with some information like support phone number, email address, website URL and application version in form like 01.01.01 After setting autoLink="all" on the textView, all values are linked fine - except that version number 01.01.01 is linked as the phone number as well. Is there some way to exclude this text fragment from linkifing?

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  • android camera preview blank screen

    - by user1104836
    I want to capture a photo manually not by using existing camera apps. So i made this Activity: public class CameraActivity extends Activity { private Camera mCamera; private Preview mPreview; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_camera); // Create an instance of Camera // mCamera = Camera.open(0); // Create our Preview view and set it as the content of our activity. mPreview = new Preview(this); mPreview.safeCameraOpen(0); FrameLayout preview = (FrameLayout) findViewById(R.id.camera_preview); preview.addView(mPreview); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.activity_camera, menu); return true; } } This is the CameraPreview which i want to use: public class Preview extends ViewGroup implements SurfaceHolder.Callback { SurfaceView mSurfaceView; SurfaceHolder mHolder; //CAM INSTANCE ================================ private Camera mCamera; List<Size> mSupportedPreviewSizes; //============================================= /** * @param context */ public Preview(Context context) { super(context); mSurfaceView = new SurfaceView(context); addView(mSurfaceView); // Install a SurfaceHolder.Callback so we get notified when the // underlying surface is created and destroyed. mHolder = mSurfaceView.getHolder(); mHolder.addCallback(this); mHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); } /** * @param context * @param attrs */ public Preview(Context context, AttributeSet attrs) { super(context, attrs); // TODO Auto-generated constructor stub } /** * @param context * @param attrs * @param defStyle */ public Preview(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); // TODO Auto-generated constructor stub } /* (non-Javadoc) * @see android.view.ViewGroup#onLayout(boolean, int, int, int, int) */ @Override protected void onLayout(boolean arg0, int arg1, int arg2, int arg3, int arg4) { // TODO Auto-generated method stub } @Override public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { // Now that the size is known, set up the camera parameters and begin // the preview. Camera.Parameters parameters = mCamera.getParameters(); parameters.setPreviewSize(width, height); requestLayout(); mCamera.setParameters(parameters); /* Important: Call startPreview() to start updating the preview surface. Preview must be started before you can take a picture. */ mCamera.startPreview(); } @Override public void surfaceCreated(SurfaceHolder holder) { // TODO Auto-generated method stub } @Override public void surfaceDestroyed(SurfaceHolder holder) { // Surface will be destroyed when we return, so stop the preview. if (mCamera != null) { /* Call stopPreview() to stop updating the preview surface. */ mCamera.stopPreview(); } } /** * When this function returns, mCamera will be null. */ private void stopPreviewAndFreeCamera() { if (mCamera != null) { /* Call stopPreview() to stop updating the preview surface. */ mCamera.stopPreview(); /* Important: Call release() to release the camera for use by other applications. Applications should release the camera immediately in onPause() (and re-open() it in onResume()). */ mCamera.release(); mCamera = null; } } public void setCamera(Camera camera) { if (mCamera == camera) { return; } stopPreviewAndFreeCamera(); mCamera = camera; if (mCamera != null) { List<Size> localSizes = mCamera.getParameters().getSupportedPreviewSizes(); mSupportedPreviewSizes = localSizes; requestLayout(); try { mCamera.setPreviewDisplay(mHolder); } catch (IOException e) { e.printStackTrace(); } /* Important: Call startPreview() to start updating the preview surface. Preview must be started before you can take a picture. */ mCamera.startPreview(); } } public boolean safeCameraOpen(int id) { boolean qOpened = false; try { releaseCameraAndPreview(); mCamera = Camera.open(id); mCamera.startPreview(); qOpened = (mCamera != null); } catch (Exception e) { // Log.e(R.string.app_name, "failed to open Camera"); e.printStackTrace(); } return qOpened; } Camera.PictureCallback mPicCallback = new Camera.PictureCallback() { @Override public void onPictureTaken(byte[] data, Camera camera) { // TODO Auto-generated method stub Log.d("lala", "pic is taken"); } }; public void takePic() { mCamera.startPreview(); // mCamera.takePicture(null, mPicCallback, mPicCallback); } private void releaseCameraAndPreview() { this.setCamera(null); if (mCamera != null) { mCamera.release(); mCamera = null; } } } This is the Layout of CameraActivity: <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context=".CameraActivity" > <FrameLayout android:id="@+id/camera_preview" android:layout_width="0dip" android:layout_height="fill_parent" android:layout_weight="1" /> <Button android:id="@+id/button_capture" android:text="Capture" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center" /> </LinearLayout> But when i start the CameraActivity, i just see a blank white background and the Capture-Button??? Why i dont see the Camera-Screen?

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  • Android Activity ClassNotFoundException - tried everything

    - by Matthew Rathbone
    I've just refactored an app into a framework library and an application, but now when I try and start the app in the emulator I get the following error stack trace: 06-02 18:22:35.529: E/AndroidRuntime(586): FATAL EXCEPTION: main 06-02 18:22:35.529: E/AndroidRuntime(586): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.matthewrathbone.eastersays/com.matthewrathbone.eastersays.EasterSimonSaysActivity}: java.lang.ClassNotFoundException: com.matthewrathbone.eastersays.EasterSimonSaysActivity in loader dalvik.system.PathClassLoader[/data/app/com.matthewrathbone.eastersays-1.apk] 06-02 18:22:35.529: E/AndroidRuntime(586): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2585) 06-02 18:22:35.529: E/AndroidRuntime(586): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679) 06-02 18:22:35.529: E/AndroidRuntime(586): at android.app.ActivityThread.access$2300(ActivityThread.java:125) 06-02 18:22:35.529: E/AndroidRuntime(586): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033) 06-02 18:22:35.529: E/AndroidRuntime(586): at android.os.Handler.dispatchMessage(Handler.java:99) 06-02 18:22:35.529: E/AndroidRuntime(586): at android.os.Looper.loop(Looper.java:123) 06-02 18:22:35.529: E/AndroidRuntime(586): at android.app.ActivityThread.main(ActivityThread.java:4627) 06-02 18:22:35.529: E/AndroidRuntime(586): at java.lang.reflect.Method.invokeNative(Native Method) 06-02 18:22:35.529: E/AndroidRuntime(586): at java.lang.reflect.Method.invoke(Method.java:521) 06-02 18:22:35.529: E/AndroidRuntime(586): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868) 06-02 18:22:35.529: E/AndroidRuntime(586): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) 06-02 18:22:35.529: E/AndroidRuntime(586): at dalvik.system.NativeStart.main(Native Method) 06-02 18:22:35.529: E/AndroidRuntime(586): Caused by: java.lang.ClassNotFoundException: com.matthewrathbone.eastersays.EasterSimonSaysActivity in loader dalvik.system.PathClassLoader[/data/app/com.matthewrathbone.eastersays-1.apk] 06-02 18:22:35.529: E/AndroidRuntime(586): at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:243) 06-02 18:22:35.529: E/AndroidRuntime(586): at java.lang.ClassLoader.loadClass(ClassLoader.java:573) 06-02 18:22:35.529: E/AndroidRuntime(586): at java.lang.ClassLoader.loadClass(ClassLoader.java:532) 06-02 18:22:35.529: E/AndroidRuntime(586): at android.app.Instrumentation.newActivity(Instrumentation.java:1021) 06-02 18:22:35.529: E/AndroidRuntime(586): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2577) 06-02 18:22:35.529: E/AndroidRuntime(586): ... 11 more Usually this means that the manifest file is wrong in some way, but I've double checked everything I can think of. Here is my activity class: package com.matthewrathbone.eastersays; import android.os.Bundle; import com.rathboma.simonsays.Assets.Season; import com.rathboma.simonsays.SeasonPicker; import com.rathboma.simonsays.SimonSaysActivity; public class EasterSimonSaysActivity extends SimonSaysActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); } @Override protected void onDestroy() { // TODO Auto-generated method stub super.onDestroy(); } @Override public SeasonPicker getSeasonPicker() { return new SeasonPicker(){ @Override public Season getSeason() { // TODO Auto-generated method stub return Season.EASTER; } }; } } As you can see, it's listed correctly in the manifest: <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.matthewrathbone.eastersays" android:versionCode="1" android:versionName="1.0" > <uses-sdk android:minSdkVersion="7" android:targetSdkVersion="15" /> <application android:icon="@drawable/ic_launcher" android:label="@string/app_name" > <activity android:name=".EasterSimonSaysActivity" android:label="@string/app_name" > <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> </manifest> I have no idea how to fix this, and would appreciate any help. I've scanned many similar questions on SO without seeing this particular behavior. More info: I've checked inside the generated APK and the class has an entry in the classes.dex file I've tried cleaning/building the project in eclipse I've tried using a totally new device image that doesn't have a copy of the APK on it already I've changed the library project into a regular java, then changed back into an android project, no difference

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  • Ghost activity in android

    - by Ari
    My application works as follow: On start I have some AppStartActivity which does something, finishes itself and starts MainActivity if user is logged in or LoginActivity otherwise. LoginActivity finishes itself and starts MainActivity when user log in successfully. On MainActivity I have SomeActivity from which user can logout. Activity stack for this situation is MainActivity > SomeActivity. It is correct, back button works well. When user click LogOut button there is a problem. I need to show LoginActivity but I don't want to have MainActivity and SomeActivity on activity stack anymore. I could resolve this problem if I wouldn't finish AppStartActivity. I could go back then with flag FLAG_ACTIVITY_CLEAR_TOP and it would work well. But here is a problem with back button. I don't want user to come back to this activity with back button. I want it to exit app instead. UPDATED: Flags FLAG_ACTIVITY_NEW_TASK and FLAG_ACTIVITY_CLEAR_TASK would be best, but I need it working in API level 9.

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  • Reference for good Android UI design patterns.

    - by sat
    Hi, I would like to get some links for getting started with design patterns.My requirement is , (at Initial stage) How to go about developing a particular pattern , say customized ListView which can be shared across applications . e.g. Applications will call something like drawCustomizedListView(params...) and my code will draw the listview according to the parameters supplied. This is particularly useful when across the applications I have to draw customized views. My intention is, I should not repeat the same code everywhere for doing similar task. Any references for the above requirement ?

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  • Android - Correspondence between ImageView coordinates and Bitmap Pixels

    - by Matteo
    In my application I want the user to be able to select some content of an Image contained inside an ImageView. To select the content I subclassed the ImageView class making it implement the OnTouchListener so to draw over it a rectangle with borders decided by the user. Here is an example of the result of the drawing (to have an idea you can think of it as when you click with the mouse on your desktop and drag the mouse): Now I need to determine which pixels of the Bitmap image correspond to the selected part. It's kind of easy to determine which are the points of the ImageView belonging to the rectangle, but I don't know how to get the correspondent pixels, since the ImageView has a different aspect ratio than the original image. I followed the approach described especially here, but also here, but am not fully satisfied because in my opinion the correspondence made is 1 on 1 between pixels and points on the ImageView and does not give me all the correspondent pixels on the original image to the selected area. Calling hoveredRect the rectangle on the ImageView the points inside of it are: class Point { float x, y; @Override public String toString() { return x + ", " + y; } } Vector<Point> pointsInRect = new Vector<Point>(); for( int x = hoveredRect.left; x <= hoveredRect.right; x++ ){ for( int y = hoveredRect.top; y <= hoveredRect.bottom; y++ ){ Point pointInRect = new Point(); pointInRect.x = x; pointInRect.y = y; pointsInRect.add(pointInRect); } } How can I obtain a Vector<Pixels> pixelsInImage containing the correspondent pixels?

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  • Android: How to find the position clicked from the context menu

    - by Josemalive
    Hi, I have a list view filled with data. I set up a context menu for the listview using the following code: list.setOnCreateContextMenuListener ( new View.OnCreateContextMenuListener() { public void onCreateContextMenu(ContextMenu menu, View view, ContextMenu.ContextMenuInfo menuInfo) { AdapterContextMenuInfo mi =(AdapterContextMenuInfo) menuInfo; menu.add(0, 0, 0, "Delete item"); } } ); I have the following method override to control de contextmenu menuitem selected: @Override public boolean onContextItemSelected(MenuItem item) { switch(item.getItemId()) { case 0: ShowAlert("hello from delete item"); break; default: return super.onContextItemSelected(item); } return true; } In this overrided method, how could i find the item of the list view that was clicked? Thanks in advance. Best Regards. Jose

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  • ListView Parsing Persian xml

    - by Namikaze Minato
    I used a tutorial about listview parsing xm from internet and using LasyAdapter shows the items in listview. When I add persian characters in xml (into one of childnodes) the result is some boxes in listview (after showing the text in listview). The format of xml is UTF-8, too. I used typeface too (but didn't work). Besides when I type Pwesian into the application it shows alright but it can't show Persiann content parsed from xml. Thanks in advance. I updated the post with original XMLparser (which was the problem). public String getXmlFromUrl(String url) { String xml = null; try { // defaultHttpClient DefaultHttpClient httpClient = new DefaultHttpClient(); HttpPost httpPost = new HttpPost(url); HttpResponse httpResponse = httpClient.execute(httpPost); HttpEntity httpEntity = httpResponse.getEntity(); xml = EntityUtils.toString(httpEntity); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } catch (ClientProtocolException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } // return XML return xml; } public Document getDomElement(String xml) { Document doc = null; DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); try { DocumentBuilder db = dbf.newDocumentBuilder(); InputSource is = new InputSource(); is.setCharacterStream(new StringReader(xml)); doc = db.parse(is); } catch (ParserConfigurationException e) { Log.e("Error: ", e.getMessage()); return null; } catch (SAXException e) { Log.e("Error: ", e.getMessage()); return null; } catch (IOException e) { Log.e("Error: ", e.getMessage()); return null; } return doc; }

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  • Unable to start Android emulator > 1.5

    - by Cicatrice
    Hi ! I got this trace when I tried to launch android 1.6 or 2.1. Android 1.5 is working fine. I tried to reinstall each SDK, but there is no way to get it working. I created those AVD with Eclipse plugin. geo@geo-laptop:~> android/android-sdk-linux_86/tools/emulator -avd a16 *** glibc detected *** android/android-sdk-linux_86/tools/emulator: free(): invalid pointer: 0x45454545 *** ======= Backtrace: ========= /lib/libc.so.6(+0x6df7b)[0xb748cf7b] /lib/libc.so.6(cfree+0xd9)[0xb7491ac9] android/android-sdk-linux_86/tools/emulator[0x80db20c] android/android-sdk-linux_86/tools/emulator[0x840eb38] ======= Memory map: ======== 08048000-08246000 r-xp 00000000 08:06 5693701 /home/geo/android/android-sdk-linux_86/tools/emulator 08246000-08249000 rw-p 001fd000 08:06 5693701 /home/geo/android/android-sdk-linux_86/tools/emulator 08249000-08445000 rw-p 00000000 00:00 0 08445000-08447000 rwxp 00000000 00:00 0 08447000-0874c000 rw-p 00000000 00:00 0 [heap] ad8e9000-ada86000 rw-s 00000000 00:04 85229580 /SYSV00000000 (deleted) ada86000-adced000 rw-p 00000000 00:00 0 adced000-add0d000 rw-s 00000000 00:04 84770825 /SYSV0056a4d6 (deleted) add0d000-adde4000 r-xp 00000000 08:05 22591 /usr/lib/libasound.so.2.0.0 adde4000-adde5000 ---p 000d7000 08:05 22591 /usr/lib/libasound.so.2.0.0 adde5000-adde8000 r--p 000d7000 08:05 22591 /usr/lib/libasound.so.2.0.0 adde8000-adde9000 rw-p 000da000 08:05 22591 /usr/lib/libasound.so.2.0.0 adde9000-ade09000 rw-s 00000000 00:05 3268 /dev/snd/pcmC0D0p ade09000-b3e0b000 rw-p 00000000 00:00 0 b3e0b000-b3e0c000 ---p 00000000 00:00 0 b3e0c000-b55cd000 rw-p 00000000 00:00 0 b55cd000-b6dcd000 rwxp 00000000 00:00 0 b6dcd000-b6ea3000 rw-p 00000000 00:00 0 b6ea4000-b7205000 rw-p 00000000 00:00 0 b7205000-b7209000 r-xp 00000000 08:05 22491 /usr/lib/libXfixes.so.3.1.0 b7209000-b720a000 r--p 00003000 08:05 22491 /usr/lib/libXfixes.so.3.1.0 b720a000-b720b000 rw-p 00004000 08:05 22491 /usr/lib/libXfixes.so.3.1.0 b7212000-b7222000 rw-s 00000000 00:05 3269 /dev/snd/pcmC0D0c b7222000-b7226000 r-xp 00000000 08:05 22588 /usr/lib/alsa-lib/libasound_module_rate_speexrate.so b7226000-b7227000 r--p 00003000 08:05 22588 /usr/lib/alsa-lib/libasound_module_rate_speexrate.so b7227000-b7228000 rw-p 00004000 08:05 22588 /usr/lib/alsa-lib/libasound_module_rate_speexrate.so b7228000-b7229000 rw-s 81000000 00:05 3268 /dev/snd/pcmC0D0p b7229000-b722a000 r--s 80000000 00:05 3268 /dev/snd/pcmC0D0p b722a000-b722b000 rw-s 00000000 00:04 84738056 /SYSV0056a4d5 (deleted) b722b000-b7276000 r--p 00000000 08:05 85242 /var/cache/libx11/compose/l4_024_313cb605_00280cc0 b7276000-b72b5000 r--p 00000000 08:05 20724 /usr/lib/locale/en_US.utf8/LC_CTYPE b72b5000-b73d2000 r--p 00000000 08:05 101088 /usr/lib/locale/en_US.utf8/LC_COLLATE b73d2000-b73d9000 r-xp 00000000 08:05 22991 /usr/lib/libXrandr.so.2.2.0 b73d9000-b73da000 r--p 00006000 08:05 22991 /usr/lib/libXrandr.so.2.2.0 b73da000-b73db000 rw-p 00007000 08:05 22991 /usr/lib/libXrandr.so.2.2.0 b73db000-b73e4000 r-xp 00000000 08:05 4146 /usr/lib/libXrender.so.1.3.0 b73e4000-b73e5000 r--p 00008000 08:05 4146 /usr/lib/libXrender.so.1.3.0 b73e5000-b73e6000 rw-p 00009000 08:05 4146 /usr/lib/libXrender.so.1.3.0 b73e6000-b73f7000 r-xp 00000000 08:05 3705 /usr/lib/libXext.so.6.4.0 b73f7000-b73f8000 r--p 00010000 08:05 3705 /usr/lib/libXext.so.6.4.0 b73f8000-b73f9000 rw-p 00011000 08:05 3705 /usr/lib/libXext.so.6.4.0 b73f9000-b73fa000 rw-p 00000000 00:00 0 b73fa000-b73fc000 r-xp 00000000 08:05 8573 /usr/lib/libXau.so.6.0.0 b73fc000-b73fd000 r--p 00001000 08:05 8573 /usr/lib/libXau.so.6.0.0 b73fd000-b73fe000 rw-p 00002000 08:05 8573 /usr/lib/libXau.so.6.0.0 b73fe000-b73ff000 rw-p 00000000 00:00 0 b73ff000-b741d000 r-xp 00000000 08:05 3862 /usr/lib/libxcb.so.1.1.0 b741d000-b741e000 r--p 0001d000 08:05 3862 /usr/lib/libxcb.so.1.1.0 b741e000-b741f000 rw-p 0001e000 08:05 3862 /usr/lib/libxcb.so.1.1.0 b741f000-b7583000 r-xp 00000000 08:05 39690 /lib/libc-2.11.1.so b7583000-b7584000 ---p 00164000 08:05 39690 /lib/libc-2.11.1.so b7584000-b7586000 r--p 00164000 08:05 39690 /lib/libc-2.11.1.so b7586000-b7587000 rw-p 00166000 08:05 39690 /lib/libc-2.11.1.so b7587000-b758a000 rw-p 00000000 00:00 0 b758a000-b75a6000 r-xp 00000000 08:05 11519 /lib/libgcc_s.so.1 b75a6000-b75a7000 r--p 0001b000 08:05 11519 /lib/libgcc_s.so.1 b75a7000-b75a8000 rw-p 0001c000 08:05 11519 /lib/libgcc_s.so.1 b75a8000-b768b000 r-xp 00000000 08:05 85419 /usr/lib/libstdc++.so.6.0.14 b768b000-b768c000 ---p 000e3000 08:05 85419 /usr/lib/libstdc++.so.6.0.14 b768c000-b7690000 r--p 000e3000 08:05 85419 /usr/lib/libstdc++.so.6.0.14 b7690000-b7691000 rw-p 000e7000 08:05 85419 /usr/lib/libstdc++.so.6.0.14 b7691000-b7698000 rw-p 00000000 00:00 0 b7698000-b76c0000 r-xp 00000000 08:05 39698 /lib/libm-2.11.1.so b76c0000-b76c1000 r--p 00027000 08:05 39698 /lib/libm-2.11.1.so b76c1000-b76c2000 rw-p 00028000 08:05 39698 /lib/libm-2.11.1.so b76c2000-b76d9000 r-xp 00000000 08:05 39716 /lib/libpthread-2.11.1.so b76d9000-b76da000 r--p 00016000 08:05 39716 /lib/libpthread-2.11.1.so b76da000-b76db000 rw-p 00017000 08:05 39716 /lib/libpthread-2.11.1.so b76db000-b76de000 rw-p 00000000 00:00 0 b76de000-b76e1000 r-xp 00000000 08:05 39696 /lib/libdl-2.11.1.so b76e1000-b76e2000 r--p 00002000 08:05 39696 /lib/libdl-2.11.1.so b76e2000-b76e3000 rw-p 00003000 08:05 39696 /lib/libdl-2.11.1.so b76e3000-b76eb000 r-xp 00000000 08:05 39720 /lib/librt-2.11.1.so b76eb000-b76ec000 r--p 00007000 08:05 39720 /lib/librt-2.11.1.so b76ec000-b76ed000 rw-p 00008000 08:05 39720 /lib/librt-2.11.1.so b76ed000-b76ef000 r-xp 00000000 08:05 39725 /lib/libutil-2.11.1.so b76ef000-b76f0000 r--p 00001000 08:05 39725 /lib/libutil-2.11.1.so b76f0000-b76f1000 rw-p 00002000 08:05 39725 /lib/libutil-2.11.1.so b76f1000-b7828000 r-xp 00000000 08:05 4550 /usr/lib/libX11.so.6.3.0 b7828000-b7829000 r--p 00136000 08:05 4550 /usr/lib/libX11.so.6.3.0 b7829000-b782c000 rw-p 00137000 08:05 4550 /usr/lib/libX11.so.6.3.0 b782c000-b782d000 rw-s 81000000 00:05 3269 /dev/snd/pcmC0D0c b782d000-b782e000 r--s 80000000 00:05 3269 /dev/snd/pcmC0D0c b782e000-b782f000 rw-s 00000000 00:04 82771979 /SYSV0056a4d7 (deleted) b782f000-b7839000 r-xp 00000000 08:05 22208 /usr/lib/libXcursor.so.1.0.2 b7839000-b783a000 r--p 00009000 08:05 22208 /usr/lib/libXcursor.so.1.0.2 b783a000-b783b000 rw-p 0000a000 08:05 22208 /usr/lib/libXcursor.so.1.0.2 b783b000-b783c000 r--p 00000000 08:05 20194 /usr/lib/locale/en_US.utf8/LC_NUMERIC b783c000-b783d000 r--p 00000000 08:05 100190 /usr/lib/locale/en_US.utf8/LC_TIME b783d000-b783e000 r--p 00000000 08:05 100189 /usr/lib/locale/en_US.utf8/LC_MONETARY[1] 24082 abort android/android-sdk-linux_86/tools/emulator -avd a16

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  • Android EditText within a ListView

    - by metalideath
    I have created a custom Array Adapter to bind a custom row that contains some static text and an editable EditText. I am trying to register to be notified when the user changes the text within the edit text and when notified to determine which ArrayList row the modified EditText corresponds to. In the past with other types of views such as a Spinner I could simply put a reference to the parent view and the row number into the tag for the Spinner view. And then when I was notified that the value changed I read the tag to determine how to correlate it back to the master ArrayList. The problem with registering to be notifed with an EditText change is that you do not get back a view but instead get a TextWatcher and I have no way to correlate back to the parent view or ArrayList row. What is the technique that you need to use in this circumstance?

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  • How can i do the same thing with Gallery in Android

    - by Maxood
    I am navigating images with the clicks of next and previous buttons.Here is my code: package com.myapps.imagegallery; import android.app.Activity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.ImageView; import android.widget.TextView; import android.widget.Toast; public class ImageGallery extends Activity { /** Called when the activity is first created. */ int imgs[] = {R.drawable.bluehills,R.drawable.lilies,R.drawable.sunset,R.drawable.winter}; String desc[] = {"Blue Hills", "Lillies", "Sunset", "Winter" }; int counter=0; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); final ImageView imgView = (ImageView)findViewById(R.id.ImageView01); imgView.setImageResource(imgs[counter]); final TextView tvDesc = (TextView)findViewById(R.id.tvDesc); Button btnNext = (Button)findViewById(R.id.btnNext); btnNext.setOnClickListener(new View.OnClickListener(){ @Override public void onClick(View arg0) { try{ // TODO Auto-generated method stub if (counter < desc.length -1) counter++; imgView.setImageResource(imgs[counter]); tvDesc.setText(desc[counter]); }catch(Exception e) { Toast.makeText(ImageGallery.this, e.toString(), Toast.LENGTH_SHORT).show(); } } }); Button btnPrev = (Button)findViewById(R.id.btnPre); btnPrev.setOnClickListener(new View.OnClickListener(){ @Override public void onClick(View arg0) { // TODO Auto-generated method stub try{ // TODO Auto-generated method stub if (counter > 0) counter--; imgView.setImageResource(imgs[counter]); tvDesc.setText(desc[counter]); }catch(Exception e) { Toast.makeText(ImageGallery.this, e.toString(), Toast.LENGTH_SHORT).show(); } }}); } } <?xml version="1.0" encoding="utf-8"?> <AbsoluteLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > <ImageView android:id="@+id/ImageView01" android:layout_x="70dip" android:layout_width="200px" android:layout_height="200px" android:layout_y="90dip" > </ImageView> <TextView android:id="@+id/tvDesc" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/hello" android:layout_x="90px" android:layout_y="300px" /> <Button android:layout_x="47dip" android:layout_height="wrap_content" android:text="Previous" android:layout_width="100px" android:id="@+id/btnPre" android:layout_y="341dip"> </Button> <Button android:layout_x="190dip" android:layout_height="wrap_content" android:text="Next" android:layout_width="100px" android:id="@+id/btnNext" android:layout_y="341dip"> </Button> </AbsoluteLayout>

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  • Can't get ellipsis to work on Android

    - by Mark
    Hi, I have a TextView. I want it to ellipsize if longer than its available width. This does not work unless the input string has no spaces... can anyone provide an example of this working? I've tried different combinations of: singleLine="true" maxLines="1" scrollHorizontally="false" none of these have any effect. Again, if I supply a string that has no spaces in it, then the ellipsis appears correctly. What am I missing? I've tried this on 1.5, 1.6, 2.0, all same problem. Thanks

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  • Android Camera intent creating two files

    - by Kyle Ramstad
    I am making a program that takes a picture and then shows it's thumbnail. When using the emulator all goes well and the discard button deletes the photo. But on a real device the camera intent saves the image at the imageUri variable and a second one that is named like if I had just opened up the camera and took a picture by itself. private static final int CAMERA_PIC_REQUEST = 1337; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.camera); //start camera values = new ContentValues(); values.put(MediaStore.Images.Media.TITLE, "New Picture"); values.put(MediaStore.Images.Media.DESCRIPTION,"From your Camera"); imageUri = getContentResolver().insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values); image = (ImageView) findViewById(R.id.ImageView01); Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); intent.putExtra(MediaStore.EXTRA_OUTPUT, imageUri); startActivityForResult(intent, CAMERA_PIC_REQUEST); //save the image buttons Button save = (Button) findViewById(R.id.Button01); Button close = (Button) findViewById(R.id.Button02); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { if (requestCode == CAMERA_PIC_REQUEST && resultCode == RESULT_OK) { try{ thumbnail = MediaStore.Images.Media.getBitmap(getContentResolver(), imageUri); image.setImageBitmap(thumbnail); } catch(Exception e){ e.printStackTrace(); } } else{ finish(); } } public void myClickHandler(View view) { switch (view.getId()) { case R.id.Button01: finish(); break; case R.id.Button02: dicard(); } } private void dicard(){ getContentResolver().delete(imageUri, null, null); finish(); }

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  • Android ListView: how to select an item?

    - by mmo
    I am having trouble with a ListView I created: I want an item to get selected when I click on it. My code for this looks like: protected void onResume() { ... ListView lv = getListView(); lv.setOnItemSelectedListener(new OnItemSelectedListener() { public void onItemSelected(AdapterView<?> adapterView, View view, int pos, long id) { Log.v(TAG, "onItemSelected(..., " + pos + ",...) => selected: " + getSelectedItemPosition()); } public void onNothingSelected(AdapterView<?> adapterView) { Log.v(TAG, "onNothingSelected(...) => selected: " + getSelectedItemPosition()); } }); lv.setOnItemClickListener(new OnItemClickListener() { public void onItemClick(AdapterView<?> adapterView, View view, int pos, long id) { lv.setSelection(pos); Log.v(TAG, "onItemClick(..., " + pos + ",...) => selected: " + getSelectedItemPosition()); } }); ... } When I run this and click e.g. on the second item (i.e. pos=1) I get: 04-03 23:08:36.994: V/DisplayLists(663): onItemClick(..., 1,...) => selected: -1 i.e. even though the OnItemClickListener is called with the proper argument and calls a setSelection(1), there is no item selected (and hence also OnItemSelectedListener.onItemSelected(...) is never called) and getSelectedItemPosition() still yields -1 after the setSelection(1)-call. What am I missing? Michael PS.: My list does have =2 elements...

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  • Get address using Geocoder in android

    - by user264953
    Hi, I tried to get the address of a particular location by giving static geocordinates. I was not able to fetch the address. Can someone please help. I just need to check whether this function works for me. Here is my snippet. Geocoder geocoder = new Geocoder(AddressSimulator.this, Locale.getDefault()); List<Address> addresses = geocoder.getFromLocation(1.352566007, 103.78921587, 1); System.out.println("Addresses size"+addresses.size()); Address size is obtained as zero. I tried with few other geocordinates also, but address size is always returned as 0. Experts, kindly help me resolve this. Looking forward for your valuable help/suggestions, Best Regards, Rony

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  • Does "Ubuntu for Android" (12.04) work with the Samsung Galaxy S2?

    - by Charles Hadeed
    I'm trying to buy a new Android phone and I own an Ubuntu 12.04 computer... I have the choice of a Google Galaxy Nexus, Samsung Galaxy S2, and a HTC Sensation XL. I am aware that the HTC already works with it but i would prefer to buy the samsung. I already have the phone hardware specifications and have checked but i am not sure with the samsung or the nexus. So which of these phones work for Ubuntu 12.04's 'Ubuntu for Android' feature?

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  • Programming powering off and powering on in one single OnClick function on android

    - by user1060919
    I would like to write an activity that after clicking on a button turns off the screen and then turns it back on after 2 secs. I tried using the following code in order to power off the screen: WindowManager.LayoutParams lp = getWindow().getAttributes(); lp.screenBrightness = 0/(float)255; getWindow().setAttributes(lp); But it would only take effect when then onClick function returns. I tried running it into a handler but with no success. I need to find a way to force the setting to get applied before the function returns so that I can call the power on function 2 secs later on the same onClick call. I also found it very hard to wakeup the device afterwards. While this code works if I power off the screen using the physical button it doesn't seem to work when the phone is powered off using the technique described previously. PowerManager pm = (PowerManager)this.getSystemService(Context.POWER_SERVICE); PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.FULL_WAKE_LOCK|PowerManager.ACQUIRE_CAUSES_WAKEUP | PowerManager.ON_AFTER_RELEASE ,"Dev Tag"); try { wl.acquire(); wl.release(); } catch (Exception e) { Toast.makeText(this, e.getMessage(),20).show(); } Thanks you in advance for your help!

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