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  • Getting the values from an array in android

    - by Rahul Varma
    Hi, I have a collection of strings and declared the strings individually as arrays using ArrayList<String> al=new ArrayList<String>(); and called the arrays in the program by using al=getIntent().getStringArrayListExtra("titles"); Now, instead of declaring each of the arrays i have created SongsArray.java like below... public class SongsArray { private String title; private String movieName; private String singerName; private String imagePath; private String mediaPath; public String gettitle() { return title; } public void settitle(String title) { this.title = title; } public String getmovieName() { return movieName; } public void setmovieName(String movieName) { this.movieName = movieName; } public String getsingerName() { return singerName; } public void setsingerName(String singerName) { this.singerName = singerName; } public String getimagePath() { return imagePath; } public void setimagePath(String imagePath) { this.imagePath = imagePath; } public String getmediaPath() { return mediaPath; } public void setmediaPath(String mediaPath) { this.mediaPath = mediaPath; } } Now i want to call the arrays that i have declared. How can i do that???

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  • Android ExpandableListView From Database

    - by SterAllures
    I want to create a two level ExpandableListView from a local database. The group level I want to get the names from the database Category table category_id | name ------------------- 1 | NameOfCategory the children level I want to get the names from the List table list_id | name | foreign_category_id -------------------------------- 1 | Listname | 1 I've got a method in DatabaseDAO to get all the values from the table public List<Category> getAllCategories() { database = dbHelper.getReadableDatabase(); List<Category> categories = new ArrayList<Category>(); Cursor cursor = database.query(SQLiteHelper.TABLE_CATEGORY, null, null, null, null, null, null); cursor.moveToFirst(); while(!cursor.isAfterLast()) { Category category = cursorToCategory(cursor); categories.add(category); cursor.moveToNext(); } cursor.close(); return categories; } Now adding the names to the group level is easy I do it the following way: ArrayList<String> groups; for(Category c : databaseDao.getAllCategories()) { groups.add(c.getName()); } Now I want to add the children to the ExpandableListView in the following array ArrayList<ArrayList<ArrayList<String>>> children;. How do I get the children under the correct group name? I think it has to do somenthing with groups.indexOf() but in the list table I only have a foreign category_id and not the actual name.

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  • Manually abort GPS updating in Android

    - by poeschlorn
    Hey Guys, I receive updates from my GPS in this way: lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 5000, 0, locationListener); In my onLocationChanged(Location loc)-method I want now to abort updating GPS data by specific criteria... So how can I undo/disable the requestLocationUpdates(...) ? Nice greetings, poeschlorn

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  • Drawing translucent bitmaps using Canvas (Android)

    - by mcbitmap
    I have a Bitmap object and want to render it to a Canvas object with varying levels of translucency (i.e. make the whole bitmap partially see through). For example, I have sprites in a game (that are drawn over the top of a bitmap background) that I want to fade out from being opaque to being invisible. Can I do this without having to resort to OpenGL?

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  • How to get the place name by latitude and longitude using openstreetmap in android

    - by Gaurav kumar
    In my app i am using osm rather than google map.I have latitude and longitude.So from here how i will query to get the city name from osm database..please help me. final String requestString = "http://nominatim.openstreetmap.org/reverse?format=json&lat=" + Double.toString(lat) + "&lon=" + Double.toString(lon) + "&zoom=18&addressdetails=1"; RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, URL.encode(requestString)); try { @SuppressWarnings("unused") Request request = builder.sendRequest(null, new RequestCallback() { @Override public void onResponseReceived(Request request, Response response) { if (response.getStatusCode() == 200) { String city = ""; try { JSONValue json = JSONParser.parseStrict(response); JSONObject address = json.isObject().get("address").isObject(); final String quotes = "^\"|\"$"; if (address.get("city") != null) { city = address.get("city").toString().replaceAll(quotes, ""); } else if (address.get("village") != null) { city = address.get("village").toString().replaceAll(quotes, ""); } } catch (Exception e) { } } } }); } catch (Exception e1) { }

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  • How to Read MMS Data in Android ?

    - by syedasadali
    I want to read MMS data i have seen the part table in the mmssms.db where the mms entries stored i am using cursor to and i want to know the appropriate URI like i am using "content://mms-sms/conversations" and the Column names of "Address"(Sent to), "Text" or "Subject" and "Data" column name of image. i have seen the schema of mmssms.db and Their Column of part Table. Thanks in Advance.

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  • Receiving a NullPointerException when calling a cursor in Android

    - by LordSnoutimus
    I am creating an application which tracks the users location using GPS, stores the longitude and latitude in a database using a content provider then output the first long and lat to a mapview. I am able to create the cursor using this line of code: Cursor c = getContentResolver().query(GPSContentProvider.CONTENT_URI, null, null, null, null); startManagingCursor(c); However, when I make a call to move to the first row in the database or even try to close the cursor using c.close(); I receive a NullPointerException.

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  • android 3D desktop

    - by pengwang
    hello today i look at a 3D desktop as below. i feel very code,i want to make one,but i donot know how to begin? how to put desktop icon paste to every aspect of 3d,could you give me some guide or simple example ,thank you.

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  • Updating Android Home Screen TextView

    - by jmontex2
    Hi, How can we update the View of a Home Screen Widget on the onReceive method of AppWidgetProvider?. I am trying to update the TextView of my Home screen widget but it seems that I cant access the TextView of my AppWidgetProvider on onReceive method. Here is a sample code of my onReceive public void onReceive(Context context,Intent intent) { final String action = intent.getAction(); if (AppWidgetManager.ACTION_APPWIDGET_DELETED.equals(action)) { final int appWidgetId = intent.getExtras().getInt( AppWidgetManager.EXTRA_APPWIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID); if (appWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID) { this.onDeleted(context, new int[] { appWidgetId }); } } else { if (intent.getAction().equals(ACTION_WIDGET_RECEIVER)) { String msg = "null"; try { msg = intent.getStringExtra("msg"); } catch (NullPointerException e) { } Toast.makeText(context, msg, Toast.LENGTH_SHORT).show(); // code for gathering the text to update the TextView } } super.onReceive(context, intent); }

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  • How to get current location with an accept accuracy in Android

    - by virsir
    I am trying to locate user's device to get its current location with coarse method. The problem is that I can only accept a location with accuracy of 1000m, my code like this: public void onLocationChanged(Location location) { currentLocation = location; if(location.hasAccuracy()) { if(location.getAccuracy() < 1000) { locationManager.removeUpdates(this); callback(); //do callback here } } } But what if the network is not good and I can not get the location with that accuracy? I may want to accept the latest location I got if I have requested its location for some time, like 1 minute. Then how can I control the request time, for example, 1 minute, if it did not get the accurate location until then, I will stop it and then accept the latest location I have got if exist.

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  • Android: raise AlertDialog from background thread

    - by Stefan Klumpp
    In my activity there's some stuff going on in a background thread, which gets started in Activity_1. The processing of the background thread takes a while and I want to notify the user when it's completed via an AlertDialog. However, the user might have changed to Activity_2 or Activity_3 in the meantime and I would like to pop up the AlertDialog always in the current Activity. Any idea how to realize this?

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  • Android pattern locking

    - by JonF
    I have been able to lock the screen using LOCK_PATTERN_ENABLED, however in many cases when I enable this pattern locking it will take any pattern and move past the pattern check. Has anyone else run across this?

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  • Android Html.fromHtml

    - by user3688154
    hi take from database a String like this: "Frog Revolution <\strong<\span<\p\r\nUn mix perfetto di design e praticità, che stimola il piacere dello sguardo.<\span<\p\r\nLa Frog è una macchina da caffè espresso a cialde destinata sia al mercato domestico che quello aziendale. <\span<\p\r\nIl suo design innovativo, la sua semplicità e la qualità delle sue componenti, la rendono un bene strumentale affidabile a cui puntare in tutta tranquillità. <\span<\p\r\nDIMENSIONI:<\strong<\span<\p\r\n\r\nLarghezza: 22 cm <\span<\li\r\nAltezza: 40 cm<\span<\li\r\nProfondità: 32 cm<\span<\li\r\nPeso: 6.5 Kg<\span<\li\r\n<\ul\r\nCARATTERISTICHE TECNICHE<\strong<\span<\p\r\n\r\nPotenza normale 650 W <\span<\li\r\nVoltaggio 230 V<\span<\li\r\nSistema di decalcificazione rapido <\span<\li\r\nAlloggio bottiglia d'acqua <\span<\li\r\n<\ul\r\nACCESSORI<\strong<\span<\p\r\n\r\nVano porta cialde e bicchieri<\span<\li\r\n<\ul" now i try to put it in a TextView with Html.fromHtml() method…but without success..Can you help me?

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  • Android: how to set click events on ListView?

    - by Capsud
    Hey there, I'm looking to be able to open up a new view or activity when I click on an item in my ListView. Currently I have a list of restaurants, and when i click on a particular restaurant I want it to open up another screen that will show its address, google map etc. What I need help with is knowing how to set click events on the items in the list. At the moment I dont have a database of the items, they're just Strings. Can someone help me with getting me to this stage? Thanks alot.

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  • ArrayAdapter throwing ArrayIndexOutOfBoundsException

    - by alex
    I am getting an error of an array out of bounce error when i am using my custom array adapter. I am wondering if there are any coding errors I have overlooked. Here is the error log 06-10 20:21:53.254: E/AndroidRuntime(315): FATAL EXCEPTION: main 06-10 20:21:53.254: E/AndroidRuntime(315): java.lang.RuntimeException: Unable to start activity ComponentInfo{alex.android.galaxy.tab.latest/alex.android.galaxy.tab.latest.Basic_db_output}: java.lang.ArrayIndexOutOfBoundsException 06-10 20:21:53.254: E/AndroidRuntime(315): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2663) 06-10 20:21:53.254: E/AndroidRuntime(315): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679) 06-10 20:21:53.254: E/AndroidRuntime(315): at android.app.ActivityThread.access$2300(ActivityThread.java:125) 06-10 20:21:53.254: E/AndroidRuntime(315): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033) 06-10 20:21:53.254: E/AndroidRuntime(315): at android.os.Handler.dispatchMessage(Handler.java:99) 06-10 20:21:53.254: E/AndroidRuntime(315): at android.os.Looper.loop(Looper.java:123) 06-10 20:21:53.254: E/AndroidRuntime(315): at android.app.ActivityThread.main(ActivityThread.java:4627) 06-10 20:21:53.254: E/AndroidRuntime(315): at java.lang.reflect.Method.invokeNative(Native Method) 06-10 20:21:53.254: E/AndroidRuntime(315): at java.lang.reflect.Method.invoke(Method.java:521) 06-10 20:21:53.254: E/AndroidRuntime(315): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868) 06-10 20:21:53.254: E/AndroidRuntime(315): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) 06-10 20:21:53.254: E/AndroidRuntime(315): at dalvik.system.NativeStart.main(Native Method) 06-10 20:21:53.254: E/AndroidRuntime(315): Caused by: java.lang.ArrayIndexOutOfBoundsException 06-10 20:21:53.254: E/AndroidRuntime(315): at alex.android.galaxy.tab.latest.Basic_db_output.onCreate(Basic_db_output.java:44) 06-10 20:21:53.254: E/AndroidRuntime(315): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) 06-10 20:21:53.254: E/AndroidRuntime(315): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627) I am basing my code example on this How to use ArrayAdapter<myClass> ArrayList list = new ArrayList(); for(int i=1; i <= 3; i++) { Reader reader = new ResultsReader("android_galaxy_tab_latest/src/quiz"+i+".txt"); reader.read(); String str = ((ResultsReader)reader).getInput(); String data[] = str.split("<.>"); Question q = new Question(); q.question = data[0]; q.answer = Integer.parseInt(data[1]); q.choice1 = data[2]; q.choice2 = data[3]; q.choice3 = data[4]; list.add(q); }

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  • make a variable final in Android Studio

    - by user3664685
    When I try to make the variable A(String) equal to e(Which comes from a Plain Text) this appears in the line of the error(In the code below): Variable 'e' is accessed from within inner class, needs to be declared final. I don't know how to make 'e' final. public void MORSE(View v) { EditText e=(EditText)findViewById(R.id.text); TextView T=(TextView)findViewById(R.id.translation); Button TRAD=(Button) findViewById(R.id.translate); TRAD.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view){ String A; A=""+e; //HERE IS THE ERROR. } }); }

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