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  • Android Template Application?

    - by stormin986
    I have built an application that I want to use as the foundation for a few other variants. The variants will come from assets / resource files and a unique AndroidManifest.xml. However, I want to be able to leave all the application code alone (modifying the package of all my classes, etc). I'm having a hard time figuring out how to do so. My first thought was to simply have my main application in its own package, and then specify the specific application package in the manifest. However, this gives me issues with the generated R.java class, since it is generated to be in the main application's package. Anyone have any thoughts on how to accomplish this? To have a code baseline, and the application variants happen in resources/assets and the manifest?

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  • Weird Overlay draw behaviour when zooming in the MapView [android]

    - by Itsik
    I've extended Overlay and implemented draw() in order to draw some stuff onto the map. When zooming is done through mapController.zoomIn() (called when doubleTapping the map), the overlay is drawn properly onto the map. BUT whenever I zoom in/out with the built in zoom controller, the overlay is not drawn properly and panning the map is needed to get the overlay refreshed.

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  • Android: Width and Height of View After Orientation Change

    - by David
    I need to get the width and height of a WebView and pass them in the query string of the URL I am loading in the WebView. I have found a way to do this in onResume(). Since the width and height are not calculated at this point, I post a Runnable to the WebView to be queued for after the UI loads. Here's my problem: when the orientation changes, I am handling it in onConfigurationChanged. When I try to post a Runnable in onConfigurationChanged to the WebView, the WebView's width and height end up being the old orientation's width and height. At what point can I intercept the new width and height after orientation change?

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  • Android: Quitting the Looper?

    - by stormin986
    I have a thread I use to periodically update the data in my Activity. I create the thread and start a looper for using a handler with postDelay(). In onDestroy() for my activity, I call removeCallbacks() on my handler. Should I then call handler.getLooper().quit()? Or not worry about it and let the OS deal with it? Or would it just run forever then, consuming CPU cycles?

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  • Android Content Provider database leak issue

    - by MattC
    I am writing a content provider for this application and in my content provider I am opening a database connection, running a query and returning the cursor of results to the calling program. If I close this database connection in the provider, the cursor has no results. If I leave it open, I get "leak found" errors in my DDMS log. What am I missing here? What's the clean, proper way to return a cursor of database results?

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  • Using a Context Menu to delete from a SQLite database in Android

    - by LordSnoutimus
    Hi, I have created a list view that displays the names and dates of items stored in a SQLite database, now I want to use a Context Menu to modify these items stored in the database such as edit the name, delete, and view. This is the code for the list view: public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.listview); SQLiteDatabase myDB = null; myDB = this.openOrCreateDatabase(MY_DB_NAME, MODE_PRIVATE, null); Cursor cur = myDB.rawQuery("SELECT _id, trackname, tracktime" + " FROM " + MY_DB_TABLE, null); ListAdapter adapter = new SimpleCursorAdapter(this, R.layout.listview, cur, new String[] { Constants.TRACK_NAME, Constants.TRACK_TIME}, new int[] { R.id.text1, R.id.text2}); ListView list = (ListView)findViewById(R.id.list); list.setAdapter(adapter); registerForContextMenu(list); } and the Context Menu... public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { super.onCreateContextMenu(menu, v, menuInfo); menu.setHeaderTitle("Track Options"); menu.add(0, CHANGE_NAME, 0, "Change name"); menu.add(0, VIEW_TRACK, 0, "View track"); menu.add(0, SEND_TRACK, 0, "Send track"); menu.add(0, DELETE_TRACK, 0, "Delete track"); } I have used a Switch statement to control the menu items.. public boolean onContextItemSelected(MenuItem item) { switch (item.getItemId()){ case CHANGE_NAME: changename(); return true; case DELETE_TRACK: deletetrack(); return true; default: return super.onContextItemSelected(item); } So how would I go ahead and map the deletetrack(); method to find the ID of the track stored in the database to the item that has been selected in the list view?

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  • Javascript and rendering pauses and stays paused on scroll in the android browser

    - by user357303
    Hi. I've found some wierd behaviour related to scrolling and rendering and javascript. How to make it happen: On any webpage that is long enough to scroll on. Start to scroll pretty fast (fling the page). then release the touch. No while the page is still scrolling because of the momentum. Tap the screen to stop the scroll. This make the browser enter a wierd mode. On the nexus one it behaves like this: The updating of what's shown on the screen stops, you can still click on links and the go to where they are supposed to but what's shown on the screen stays the same. If you then scroll the screen a bit the update of the screen kicks in again and what you you where suppsed to see all the time is shown. On all phones with HTC Sense I've tried (Hero, Desire, Legend) this happens: The updating of the screen is stopped just like on the nexus one, but also the execution of any javascript is stopped. If you click on a link that takes you to another page however things return to normal again. The way I tested this was I created a page like this: http://pastebin.ca/1881620 The changeColor function simply changed the background color of 'container' to a few different colors. So before the error what happens is that when you click any link the color changes. after the error this happens: Nexus one: when you click on the links nothing happens (except the "orange link selected rounded corner box thing" is shown as if the link is clicked). Then when you scroll abit. You can see the color has changed (and equal amount of times to the number of times I clicked the link). On Sense: The links take me to google.com Has anyone else noticed this problem? Is there anyway to work around it? Thanks.

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  • Assigning ID to a Row in an Android ListView

    - by Chris
    I have a ListView. When an item on the ListView is tapped, it loads a SubView. I want to assign an ID to each row of the ListView, so I can pass that ID along to the SubView. How do I assign a specific ID to each row in the ListView? Here is how I am currently loading the ListView: setListAdapter(new ArrayAdapter<String>(this, R.layout.list_item, mArrayList));

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  • Android: scaling a button with a background image.

    - by jkhouw1
    I'm probably just being daft but my Google searches are not working out well. I have a bunch of buttons i add in code that all have dynamic text. I've set a background image for each of these buttons since the default greybutton doesn't work well for my application. This works perfectly and when the text size (or content) changes, the button automatically grows to accommodate the expanded text. What doesn't work is that I'd like the button to scale proportionally - i.e. if the background image is round, i'd like it to stay round rather than oval as the button gets bigger. With an imagebutton, there is a property "Adjust view bounds" that does exactly this but I cant put text on an imagebutton. Is there something equivalent for a regular button? or am I going about this wrong? i also tried setting the width of the button in code, but I can't seem to determine the new height (button.getHeight() returns 0)

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  • Android Layout question

    - by Nils
    Hello, I need to create a map with items on it (the map consists of a drawable object, which represents a room) and I thought about using buttons with background images for the items so that they are clickable. I guess the AbsoluteLayout fits here the best, but unfortunately it's deprecated. What layout would you recommend me for this kind of application ? Is there another layout which supports X/Y coordinates ?

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  • manually put files to android emulator sd card

    - by poeschlorn
    Hi guys, I'm just having trouble with getting my emulator SD card work... I created a new AVD device with a new SD card. So how to put data onto it? I found the "correct" file to be mountet on Deamon tools, but is currupt or simply not readable... It would be great if you have any idea :)

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  • Android date/time displaying 0 instead of 12

    - by bEtTy Barnes
    I wonder what's wrong with my code below: // Assign hour set in the picker c.set( Calendar.HOUR, selectedHour ); c.set( Calendar.MINUTE, selectedMinute ); // For alternative times c.add( Calendar.HOUR, SUB_SIX_HOUR ); c.add( Calendar.MINUTE, SUB_FLAT_MINUTE ); hour = c.get( Calendar.HOUR ); minute = c.get( Calendar.MINUTE ); hour = c.get( Calendar.HOUR_OF_DAY ); StringBuilder sb4 = new StringBuilder(); if(hour>=12){ sb4.append(hour-12).append( ":" ).append(minute).append(" PM"); }else if(hour == 0){ sb4.append( "12" ).append( ":" ).append(minute).append( "AM" ); }else{ sb4.append(hour).append( ":" ).append(minute).append(" AM"); } alternative.setText( "Alternative times: " + sb3 + " (9 hours)" + sb4 + " (6 hours)" ); Please help me figure out how to display 12 instead of 0 when the calculated time is 12:00 midnight. Thanks!

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  • Android 2.1: Muliple Handlers in a Single Activity

    - by Soumya Simanta
    Hi, I've more than one Handlers in an Activity. I create all the handlers in the onCreate() of the main activity. My understanding is the handlerMessage() method of each handler will never be called at the same time because all messages are put in the same queue (the Activity thread MessageQueue). Therefore, they will be executed in the order in which are put into the Queue. They will also be executed in the main activity thread. Is this correct ? public void onCreate() { this.handler1 = new Handler() { @Override public void handleMessage(Message msg) { //operation 1 : some operation with instanceVariable1 super.handleMessage(msg); } }; this.handler2 = new Handler() { @Override public void handleMessage(Message msg) { //Operation 2: some operation with instanceVariable1 super.handleMessage(msg); } }; this.handler3 = new Handler() { @Override public void handleMessage(Message msg) { //Operation 3: some operation with instanceVariable1 super.handleMessage(msg); } }; }

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  • Android: getting thumbnails from specific location on sd card

    - by dykzei
    AFAIK accessing thumbnails for images via MediaStore.Images.Thumbnails would generate thumbnails at first attempt, and that's what i need to perform against specific location on sd card. The question is how to make valid URI to content under specific folder? All answers i can find use just MediaStore.Images.Thumbnails.EXTERNAL_CONTENT_URI as uri to make managedQuery. And result of it is Cursor that points to all sdcard images, while none examples can be found on how to access only specific folder.

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  • Efficiently sending protocol buffer messages with http on an android platform

    - by Ben Griffiths
    I'm trying to send messages generated by Google Protocol Buffer code via a simple HTTP scheme to a server. What I have currently have implemented is here (forgive the obvious incompletion...): HttpClient client = new DefaultHttpClient(); String url = "http://192.168.1.69:8888/sdroidmarshal"; HttpPost postRequest = new HttpPost(url); String proto = offers.build().toString(); List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(1); nameValuePairs.add(new BasicNameValuePair("sdroidmsg", proto)); postRequest.setEntity(new UrlEncodedFormEntity(nameValuePairs)); try { ResponseHandler<String> responseHandler = new BasicResponseHandler(); String responseBody = client.execute(postRequest, responseHandler); } catch (Throwable t) { } I'm not that experienced with communications over the internet and no more so with HTTP - while I do understand the basics... So my question, before I blindly develop the rest of the application around this, is whether or not this is particularly efficient? I ideally would like to keep messages small and I assume toString() adds some unnecessary formatting.

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  • Android inserting into SQLite JSON object

    - by Nizmon
    I'm trying to insert the below json response from a server into my sqlite DB and then read from the DB. The problem I am getting is that when I run my code it compiles fine and runs with no errors. But when trying to read from the DB I just get back what seems like an empty string so I know that the table is being created. I have the correct permissions within the manifest. I have also reference all my classes within there. {"locations": [{"locations":"Newcastle","location_id":"1"},{"locations":"London","location_id":"2"},{"locations":"Sunderland","location_id":"3"}]} Below where I use: Log.v("one", one); Log.v("two", two); below It only prints out the first set within the JSON object so Newcastle and 1. I don't get any errors at all which is stumping me. When I call the method getName within the Location class I just seem to get a blank string back! // This class creates the table as well as inserts and returns data from the sqlite DB public class Location { private DatabaseHelper mDbHelper; private SQLiteDatabase mDb; private final Context mCtx; private static final String vd_location = ("CREATE TABLE " + TABLE_VD_LOCATION + " (" + LOCATION + " TEXT," + LOCATION_ID + " TEXT " +");"); private static class DatabaseHelper extends SQLiteOpenHelper { DatabaseHelper(Context context) { super(context, DATABASE_NAME, null, DATABASE_VERSION); } @Override public void onCreate(SQLiteDatabase db) { db.execSQL(vd_location); } @Override public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { } } public Location(Context ctx) { this.mCtx = ctx; } public Location open() throws SQLException { this.mDbHelper = new DatabaseHelper(this.mCtx); this.mDb = this.mDbHelper.getWritableDatabase(); return this; } public void close() { this.mDbHelper.close(); } public void addOffer (JSONObject json){ try{ JSONArray earthquakes = json.getJSONArray("offers"); for(int i=0;i<earthquakes.length();i++){ open(); JSONObject e = earthquakes.getJSONObject(i); String one = e.getString("locations"); String two = e.getString("location_id"); Log.v("one", one); Log.v("two", two); mDb.execSQL("INSERT INTO " + TABLE_VD_LOCATION + " ( locations, location_id ) " + "VALUES (?, ?)", new Object [] { e.getString("locations"), e.getString("location_id")}); close(); } }catch(Exception e){ }finally{ close(); } } public String getName(long l) throws SQLException{ String[] columns = new String[]{ LOCATION, LOCATION_ID}; Cursor c = mDb.query(TABLE_VD_LOCATION, columns, null, null, null, null, null); String result = ""; int iRow = c.getColumnIndex(LOCATION); int iName = c.getColumnIndex(LOCATION_ID); for (c.moveToFirst(); !c.isAfterLast(); c.moveToNext()){ result = result + c.getString(iRow) + " " + c.getString(iName) + " " + "\n"; } return result; } } // This code reads from the DB, this is just some very hacked together code so excuse it, it also works when used on other tables public void getData(){ boolean didItWork = true; try { Location loc = new Location(this); loc.open(); String data = loc.getName(0); loc.close(); Dialog t = new Dialog(this); t.setTitle("get" + data); t.show(); } catch (Exception e) { didItWork = false; String error = e.toString(); Dialog d = new Dialog(this); d.setTitle("Dang it!"); TextView tv = new TextView(this); tv.setText(error); d.setContentView(tv); d.show(); } finally { if (didItWork) { Dialog d = new Dialog(this); d.setTitle("Heck Yea!"); TextView tv = new TextView(this); tv.setText("Success"); d.setContentView(tv); d.show(); //entry.close(); } } }

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  • MessageListener didnt receive full message ASMACK Android

    - by Frank Junior
    i got problem when want to receive message, right now i am able to receive message, but some attribut is missing class MyMessageListener implements MessageListener { @Override public void processMessage(Chat chat, Message message) { Util.DebugLog("message->"+message.toXmlns()); } } what i got is <message to="[email protected]" type="chat" from="[email protected]/ff3b2485"><body asdf="asdf">aaa</body></message> talk_id and chat type inside message is missing. This is want i want when receive message <message to="[email protected]" type="chat" talk_id="304" chat_type="0" from="[email protected]/ff3b2485"><body asdf="asdf">aaa</body></message>

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  • startActivityResult Problem in Android?

    - by Praveen Chandrasekaran
    How to do the startActivityResult() for the Quick Search Box? that is if i click a button in my activity. it should wake up the QSB and search. i click the suggestion button. it will return the string which is shown as a suggestion. how to do it? which intent action i have to use and how ? Any Idea?

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  • How to get ROI of an image in Android

    - by uday
    Hi All, I have an image file (.jpg) which contains image like Face. From my application i want to capture that particular Face part and copy that part into a new bitmap file. I have a rectangular co-ordinates of that Face part, so how do i capture only Face part from the image file and copy that into a bitmap file?? Could any body help me to get rid of this problem.... Thanks & Regards Uday Kiran

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