Android :: Arraylist Storage In SQLite

Nov 16, 2009

Can any one tell me how to store and retrieve arraylist in/from sqlite.
ArrayList<Double> results = new ArrayList<Double>();

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Android :: Insert ArrayList In To Droid SQLite Database?

Sep 15, 2010

I have array list of geopoints

List<GeoPoint> geoPointsArray = new ArrayList<GeoPoint>();

I want to put geoPointsArray array in to SQLite database and then fetch the data back as an array.

Now I use ContentValues for insert into array as:

ContentValues initialValues = new ContentValues();
initialValues.put(KEY_TIME, time);
db.insert(tableName, null, initialValues);

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Android :: Saving An ArrayList (String) State In SQLite Database

Jul 9, 2010

I'm working on a android application that will display Strings to the user, and the user then has the option to add one to a favorite list. I have searched and searched and cannot find the proper way of doing this. I did get one open source project, everything worked until the user removed a favorite. The database would clear the row of data, but when a new row is added, it would behave as if the deleted row still had data, leaving blanks in the favorite list.

This is my insert method
public long insertString(String newString)
ContentValues newStringValue = new ContentValues();
newStringValue.put(KEY_STRING, newString);
return db.insert(DATABASE_TABLE, null, newStringValue);

The long returned will always increment even if i use the remove method:
public boolean removeString(long _rowIndex)
return db.delete(DATABASE_TABLE, KEY_ID + "=" + _rowIndex, null) > 0;

If I try to remove the third index, and the user removed a question at the third index, the method returns false, is there a way to completely remove all rows with no data?

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Android :: Saving ArrayList In SQLite Database In Android

Jun 29, 2010

I've been working with SQLite on android and I would like to add an arraylist to a column in a table, and then fetch the data back as an arraylist. The arraylist is a list of Longs. I've noticed that SQL has an option for storing BLOBS, however, it looks like I need to convert the array list to a byte[] first before being able to store it as a blob in my SQLite database. Is there any other option for saving my array of data, I should consider?

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Android :: Data Storage / File Vs SQLite

Nov 26, 2009

I am developing an application that periodically sends information to an external server.I make a local copy of the data being sent, for backup purposes.What is the best option to store the data in terms of saving battery life? Each data submission is a serialized object (the class has 5 fields, including a date, numbers and strings) of about 5K-10K.Any other idea?

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Android :: File Dialog - Allow User To Specify Folder/filename On Storage For Creating An SQLite Database

Jan 19, 2010

Is there something like a FileDialog available? From previous threads, it appears there isn't one.

If not, has someone written one?

I want to allow a user to

a) Specify a folder/filename on storage for creating an SQLite database.

b) Specify an existing file/folder on storage card for opening as an SQLite Database.

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Android : ContentProvider Storage/memory - Data Can Be Stored In File System - In An SQLite Database

Oct 20, 2010

Please direct me to a description of the techniques that the ContentProvider employs to access data. I am trying to understand how it works as well as what is tunable or even if its meant to be tunable. It the memory management tiered, cached, virtual, flat? Is it file based, shmem based, stream based? Can there be a combination thereof?

Any information, suggestions, or references are welcome. The android fundamentals page says: "The data can be stored in the file system, in an SQLite database, or in any other manner that makes sense;" but the android ContenProvider page barely skins the onion.

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Sony Ericsson Xperia X10 Mini/pro :: How To Transfer File Betwen Phone Storage And SD Storage?

Sep 22, 2010

i just download some applications from the Market then suddenly got warning phone storage getting low. So is there anyway to transfer the files from phone storage to SD storage ??? PLease anyone who knows about it to inform me coz i stuck with this problem.

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HTC Incredible :: Trouble Mounting Internal Phone Storage And Sd Storage

Aug 22, 2010

For some reason my Incredible won't mount both the internal phone storage and the SD card storage at the same time. What I mean is...when I plug my phone into my PC I only get a single popup asking to mount the phone's SD card storage, but not the internal phone storage.If I remove the SD card (or unmount the SD card using menus on the phone) and then toggle the connection type from Disk Drive, to Charge only, and then back to Disk Drive (to burp the connection), the internal phone storage will mount, but the SD card won't mount because it has been removed.When I connect my wife's incredible, my computer sees both the SD card storage and the internal storage (as expected) and gives me prompts for both. I took the SD card from the problematic phone and put it in the "good" phone and there are no issues at all (IE.. both the internal storage and SD storage mount). This of course means there is no issue with the SD card.

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Motorola Droid :: How Do I View Phone Storage Vs Sd Card Storage?

Jun 7, 2010

My phone keeps telling me I'm low on space, but I cleaned out my sd card and I know I haven room. Just today my phone at the top scroll bar said I was running low on space, and that my text memory was full even though I only had very few.

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HTC Desire :: What's Difference Between INTERNAL Storage And SYSTEM Storage?

Aug 18, 2010

I used this to check the amount of space on my A2SD partition of my SD Card. However I've noticed that as well as INTERNAL storage, there's something called SYSTEM storage. Which is considerably bigger than whats left of my internal space.Is the INTERNAL used for Multimedia files as this thread suggests?Internal Storage vs Phone Storage.If so. How come my multimedia files have ended up there, when they've always been saved to my SD card.

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HTC Incredible :: Format Phone Storage Vs Clear Storage

May 13, 2010

So if I do a Factory Reset on the phone it still has some of the old photos/videos I took, which leads me to believe it doesn't fully clear the device of everything, just the settings that I changed are returned to their factory defaults (duh!).I was curious if I do the Clear Storage option, which means turning off the device and holding one of the volume toggles while holding the power button - would that mean that the entire Android OS would be removed, or does it mean it does a format of the phones entire partition and re-installs Android (similar to a reformat/recovery partition on a computer)? In which case I would need to reactivate the phone doing the simple *228.

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HTC Desire : Storage Monitor App For Displaying How Much Storage Used And Left

Jul 8, 2010

Can anyone recommend an app for displaying how much storage is used and left on both the phones internal memory and the SD card?

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HTC Incredible :: Internal Storage Vs Phone Storage

Jun 7, 2010

Sorry if this is a complete NOOB question, but what is the difference between the internal storage which is 6.6GB and the phone storage, which is about 750MB? How do I access the 6.6GM of storage? What am I missing here?

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Android :: How To Display An ArrayList?

Sep 9, 2009

I'm new to android developing and I've done a function which return an arraylist type ArrayList<ArrayList>. I would like to display this arraylist for see if my function work.

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Android :: ArrayList In Custom View?

Oct 9, 2010

I'm writing my own custom view, a keyboard, which I think the ArrayList in the keyboard view is causing the application to quit in the emulator.
public static ArrayList<HexButton> hexButtons = new ArrayList<HexButton>();

The application ran fine when I did
setContentView(myKeyboardView);

But I want to nest my keyboard with a TextView so I'd like to be able to do
setContentView(R.layout.main);

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Android :: Passing An ArrayList Of Objects

Nov 12, 2010

Is there a way to pass an Array List of objects between activities? The myObject implements Parcelable and I'm able to successfully pass the objects around individually, but that means I need to have an exact amount of "myObjects" coded. I want this to dynamically grow/shrink by what the user does with the app. I have seen some posts on the web about doing:

Activity A
ArrayList<myObject> myObjArray = new ArrayList<myObject>();

Then when passing this into the intent I would use:
intent.putParcelableArrayListExtra("myObjArray", myObjArray);

Activity B
ArrayList<myObject> myObjArray = new ArrayList<myObject>();
Bundle extras = getIntent().getExtras(); myObjArray = extras.getParcelableArray("myObjArray");

However, the myObjArray always gets filled with "null". How can I achieve this?

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Android :: Passing ArrayList Across Activities

Apr 7, 2009

I have an ArrayList<MyList> aList in an activity. I would like to send this data to another activty. Such that,
ArrayList<MyList> aList;
Intent intent = new Intent(); intent.setClass(mainactivity.this, newActivity.class); intent.putExtra("MyList", aList ); startActivity(intent);

On the receiving activity,
Intent i = getIntent(); newList = (ArrayList<MyList>) i.getSerializableExtra("MyList");
But this gets me no where. ERROR! My intention is to share this List between activities.

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Android :: Custom ArrayList Serialization

May 30, 2010

I was trying to serialize an ArrayList which contains custom objects. I'm serializing it in a Servlet (server side), and deserialize at the client side. (using ObjectOutputStream and ObjectInputStream)

It worked fine, when I work with ArrayList<String>.
But when I tried it with ArrayList<MyObject> I couldn't get any results in the client side, this is the exception:
java.lang.ClassNotFoundException: web.MyObject

Of course I have done this:
public class MyObject implements Serializable { ... }
MyObject contains only String fields.

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Android :: ArrayList & Contains() - Case Insensitive

Jun 8, 2010

I want the contains() method from ArrayList to be case insensitive. Is there any way?

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Android :: Share An Arraylist Between Applications

Jun 15, 2010

I have two applications which i want them to share the same arraylist.

How could i achive something like that? is there anything in Android for sharing such a prefrenceses?

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Android :: Correct Way To Add Objects To An ArrayList

Aug 19, 2010

I am trying to add an object to an arraylist but when I view the results of the array list, it keeps adding the same object over and over to the arraylist. I was wondering what the correct way to implement this would be.

CODE:..............

I have double checked my JSONArray data and made sure they are not duplicates. It seems to keep adding the first object over and over.

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Android :: Save The Contents Of An ArrayList?

Aug 26, 2010

I want to save an ArrayList so that it is persistent. The contents can change. What is the best way of approaching this in android?

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Android :: How To Pass ArrayList Using PutStringArrayListExtra()

Oct 27, 2010

I want to pass an Arraylist from one activity to another. I use putStringArrayListExtra(), but there shows an error : "The method putStringArrayListExtra(String,ArrayList is undefined for the type bundle." Is there any other method available for passing ArrayList?

CODE:..................

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Android :: Can't Add Item To Arraylist With Bottonclick / How To Do

Sep 1, 2010

Something is wrong whit my code. in application when I "add item", it doesn't show anything, and if aim clicking somewhere around the android application, then "item" sometimes comes. code...

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Android :: Displaying Certain Data Of Object In ArrayList?

Apr 7, 2010

I wish to display data in the the arraylist in a list view. The arraylist is not a generic list but a object defined by me. I want to display only certain data of the object. Something like, an object of a student, I want to display the student's name only, the student id and the student dob is not required.

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Android :: Code Which Would Be Much Easier Implemented As ArrayList

Apr 3, 2009

I notice in the source code they are not used in critical loops, e.g. in View.java :
http://android.git.kernel.org/?p=platform/frameworks/base.git;a=blob;...
I can see this kind of code which would be much easier implemented as an ArrayList :

1867 private void addInArray(View child, int index) { 1868 View[] children = mChildren;
1869 final int count = mChildrenCount;
1870 final int size = children.length;
1871 if (index == count) { 1872 if (size == count) { 1873 mChildren = new View[size + ARRAY_CAPACITY_INCREMENT];
1874 System.arraycopy(children, 0, mChildren, 0, size);
1875 children = mChildren;
1876 } 1877 children[mChildrenCount++] = child;
1878 } else if (index < count) { 1879 if (size == count) { 1880 mChildren = new View[size + ARRAY_CAPACITY_INCREMENT];
1881 System.arraycopy(children, 0, mChildren, 0, index);
1882 System.arraycopy(children, index, mChildren, index + 1, count - index);
1883 children = mChildren; 1884 } else { 1885 System.arraycopy(children, index, children, index + 1, count - index);
1886 } 1887 children[index] = child;
1888 mChildrenCount++;
1889 } else { 1890 throw new IndexOutOfBoundsException("index=" + index + " count=" + count);
1891 } 1892 };

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Android :: Pass ArrayList Parameters Between Two Activities

Apr 19, 2010

Today I met a problem, I need to pass a ArrayList<MyClass> from an activity to another. I dont know what the Intent exactly do when I use putExtra to pass in an ArrayList<MyClass> object. I guess MyClass need to implement Parcelable interface, so I just did it. But still, it does not work. Maybe I need to create a Bundle and then use Bundle's putParcelableArrayList method to put my ArrayList<MyClass> object in, and then pass this bundle as parameter of putExtra to the intent. So crazy! I am lazy, I just want to pass an ArrayList<MyClass> object simply, is there a simple way??

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Android :: Using SAXParser To Get List Of Strings To Arraylist

Jun 21, 2010

I'm trying to parse a web service response using SAXParser and get certain values, store them into an arraylist, then display them in a listview. Example XML being returned from web service:
<ArrayOfStrings>
<string>value</string>
<string>value</string>
<string>value</string>
</ArrayOfStrings>

Here is my SAXHandler class:
public class SAXHandler extends DefaultHandler {
private boolean outertag = false;
private boolean mytag = false;
ArrayList<String> alist;
public ArrayList<String> getList(){
return this.alist;
} @Override
public void startDocument() throws SAXException {
} @Override
public void endDocument() throws SAXException{
} //@Override
public void startElement(String namespaceURI, String localName, String qName, Attributes atts) throws SAXException {
if (localName.equals("ArrayOfString")){ this.outertag=true;
}else if (localName.equals("string")){ this.mytag=true;
} }
@Override
public void characters(char ch[], int start, int length) {
if (this.mytag){ String s = new String(ch, start, length);
alist.add(s);
} }
@Override public void endElement(String namespaceURI, String localName, String qName) throws SAXException {
if (localName.equals("ArrayOfString")){ this.outertag=false;
}else if (localName.equals("string")){ this.mytag=false;
} } }

And here's my method calling and returing my web service:
try{ URL url = new URL("xxxxxxx");
SAXParserFactory spf = SAXParserFactory.newInstance();
SAXParser sp = spf.newSAXParser();
XMLReader xr = sp.getXMLReader();
SAXHandler SAXHandler = new SAXHandler();
xr.setContentHandler(SAXHandler);
xr.parse(new InputSource(url.openStream()));
ArrayList<String> stateList = SAXHandler.getList();
aa = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, stateList);
RESTlist.setAdapter(aa);
I keep getting an exception and I don't know why. Can anyone give me a hand?

Logcat:
06-21 20:10:47.901: ERROR/AndroidRuntime(472): Uncaught handler: thread main exiting due to uncaught exception
06-21 20:10:47.950: ERROR/AndroidRuntime(472): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.pa.passammain/com.pa.passammain.RESTtest}: java.lang.NullPointerException: println needs a message
06-21 20:10:47.950: ERROR/AndroidRuntime(472): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2401)
06-21 20:10:47.950: ERROR/AndroidRuntime(472): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2417)
06-21 20:10:47.950: ERROR/AndroidRuntime(472): at android.app.ActivityThread.access$2100(ActivityThread.java:116)
06-21 20:10:47.950: ERROR/AndroidRuntime(472): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1794)
06-21 20:10:47.950: ERROR/AndroidRuntime(472): at android.os.Handler.dispatchMessage(Handler.java:99)
06-21 20:10:47.950: ERROR/AndroidRuntime(472): at android.os.Looper.loop(Looper.java:123)
06-21 20:10:47.950: ERROR/AndroidRuntime(472): at android.app.ActivityThread.main(ActivityThread.java:4203)
06-21 20:10:47.950: ERROR/AndroidRuntime(472): at java.lang.reflect.Method.invokeNative(Native Method)
06-21 20:10:47.950: ERROR/AndroidRuntime(472): at java.lang.reflect.Method.invoke(Method.java:521)
06-21 20:10:47.950: ERROR/AndroidRuntime(472): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:791)
06-21 20:10:47.950: ERROR/AndroidRuntime(472): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:549)
06-21 20:10:47.950: ERROR/AndroidRuntime(472): at dalvik.system.NativeStart.main(Native Method)
06-21 20:10:47.950: ERROR/AndroidRuntime(472): Caused by: java.lang.NullPointerException: println needs a message
06-21 20:10:47.950: ERROR/AndroidRuntime(472): at android.util.Log.println(Native Method)
06-21 20:10:47.950: ERROR/AndroidRuntime(472): at android.util.Log.e(Log.java:208)
06-21 20:10:47.950: ERROR/AndroidRuntime(472): at com.pa.passammain.RESTtest.onCreate(RESTtest.java:82)
06-21 20:10:47.950: ERROR/AndroidRuntime(472): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1123)
06-21 20:10:47.950: ERROR/AndroidRuntime(472): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2364)
06-21 20:10:47.950: ERROR/AndroidRuntime(472): ... 11 more

After editing how my error is displayed in my try/catch i'm not longer getting an exception, but just a blank screen. Here is what my logcat is displaying:

06-21 20:22:00.330: WARN/System.err(542): java.lang.NullPointerException
06-21 20:22:00.352: WARN/System.err(542): at com.pa.passammain.SAXHandler.characters(SAXHandler.java:45)
06-21 20:22:00.352: WARN/System.err(542): at org.apache.harmony.xml.ExpatParser.text(ExpatParser.java:166)
06-21 20:22:00.362: WARN/System.err(542): at org.apache.harmony.xml.ExpatParser.append(Native Method)
06-21 20:22:00.371: WARN/System.err(542): at org.apache.harmony.xml.ExpatParser.parseFragment(ExpatParser.java:506)
06-21 20:22:00.371: WARN/System.err(542): at org.apache.harmony.xml.ExpatParser.parseDocument(ExpatParser.java:467)
06-21 20:22:00.371: WARN/System.err(542): at org.apache.harmony.xml.ExpatReader.parse(ExpatReader.java:329)
06-21 20:22:00.381: WARN/System.err(542): at org.apache.harmony.xml.ExpatReader.parse(ExpatReader.java:286)
06-21 20:22:00.381: WARN/System.err(542): at com.pa.passammain.RESTtest.onCreate(RESTtest.java:71)
06-21 20:22:00.391: WARN/System.err(542): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1123)
06-21 20:22:00.391: WARN/System.err(542): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2364)
06-21 20:22:00.401: WARN/System.err(542): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2417)
06-21 20:22:00.401: WARN/System.err(542): at android.app.ActivityThread.access$2100(ActivityThread.java:116)
06-21 20:22:00.410: WARN/System.err(542): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1794)
06-21 20:22:00.410: WARN/System.err(542): at android.os.Handler.dispatchMessage(Handler.java:99)
06-21 20:22:00.420: WARN/System.err(542): at android.os.Looper.loop(Looper.java:123)
06-21 20:22:00.420: WARN/System.err(542): at android.app.ActivityThread.main(ActivityThread.java:4203)
06-21 20:22:00.420: WARN/System.err(542): at java.lang.reflect.Method.invokeNative(Native Method)
06-21 20:22:00.430: WARN/System.err(542): at java.lang.reflect.Method.invoke(Method.java:521)
06-21 20:22:00.430: WARN/System.err(542): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:791)
06-21 20:22:00.442: WARN/System.err(542): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:549)
06-21 20:22:00.442: WARN/System.err(542): at dalvik.system.NativeStart.main(Native Method)

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Android :: Passing ArrayList - String - Between Tabs

Jun 5, 2010

I'm not very clear about the Intent object and how to use it to pass data between Activities. In my application I have several tabs between which I want to pass ArrayList. Here is a sample code I plan to use, but I'm missing the part where the main activity catches the Intent and passes it to the new activity on start :

1. myTabs.java ==> This is where I think I need to add some code to pass the data between TabOne and TabTwo. For now it is just using the sample code of the TabActivity sample.

CODE:...........

2. TabOne.java ==> I added a piece of code in the onStop procedure to fill in the Intent data with the array I want to pass to TabTwo. Not sure it is the right way to do though.

CODE:...................

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Android :: Adding ArrayList Of LinearLayout Objects To UI

Jan 27, 2010

I am trying to use the following code to go through an ArrayList of LinearLayout objects, add each one to a TableLayout, and finally add that TableLayout to a ScrollView defined in the main.xml file.

        ScrollView theScrollView = (ScrollView) findViewById (R.id.scroll_view);         TableLayout theList = new TableLayout(this);         ArrayList<LinearLayout> theArray = Edit.getTheArray();

        if (theArray.size() > 0) {                 for (int i = 0; i < theArray.size(); i++) {                         theList.addView(theArray.get(i));                 }                 theScrollView.addView(theList);         }

A second activity (Edit) is used to convert user input into a new LinearLayout and put it in the ArrayList.  The code works successfully on the first item in the Array, however, after adding a second LinearLayout to the ArrayList and returning to the main activity, I get a force close and the following error: java.lang.IllegalStateException: The specified child already has a parent. You must call removeView() on the child's parent first.

I can't seem to figure out what is happening here. Is there another method I should be using to get my desired results?

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Android :: Adding To The Middle Of An Empty ArrayList

Aug 26, 2010

If I create a new arraylist of size 5...

And then I try to add to the middle of that arraylist...orderedPlayers.add(2, P);


I get an indexoutofbounds...I also get indexoutofbounds if I use set instead of add...orderedPlayers.set(2, P);


In fact the only way I can add P to the arraylist is if I use the 0 index...orderedPlayers.add(0, P);

And also for some strange reason when I do that my debugger in eclipse sees that element added to the 4th index of orderedPlayers instead of the 0th... is ArrayList buggy or am I completely missing something? how would I add to the middle of a null ArrayList?

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Android :: Save Variable And ArrayList Of Object

Dec 1, 2009

I created an application with loging and an arraylist to fill a ListView.

If i am calling or i need to check my mail, sometimes i lost the context of my application (variables and the listview !)

It is a little complex to save arraylist in SharedPreferences and i am not an expert in SQLite.

Do you know a solution to keep persistent my data (variables and the arraylist) during the use of my application?

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Android :: ArrayList Populated With Last Elements Data?

Jul 1, 2010

I am using the Android onTouchEvent to register touch and the associated movement. I then want to iterate a sprite along that path.

I need to store the path traced by the finger for use later on.

The problem is that after the finger is lifted off the screen the ArrayList (pArray) is completely populated with the X & Y position of the ACTION_UP coordinates.

From the Log i can see that it is adding the current X & Y position to the Arraylist while the finger is moving which is great but then the Arraylist gets overwritten by the data in Arraylist.size() - 1...

CODE:.....................

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Android :: Remove Duplicate Value From Arraylist In Droid

Dec 10, 2009

I have a ArrayList

ArrayList<String> values=new ArrayList<String>();
values.add("s");
values.add("n");
values.add("a");
values.add("s");

In this i want to remove repeated value.

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Android :: Get A Tables Columns Arraylist On Droid?

Mar 4, 2010

I am after a code to get the available column names of a table in Android?

I looked around and didn't find anything.

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Android :: Binding A Ksoap Object To An ArrayList?

Apr 13, 2010

I'm working on an app that calls a web service, then the webservice returns an array list. My problem is I am having trouble getting the data into the ArrayList and then displaying in a ListView. Any ideas what I am doing wrong? I know for a fact the web service returns an ArrayList. Everything seems to be working fine, just no data in the ListView or the ArrayList.....donned on me that the data the webservice responds with is a complex type. I really think that's where I am getting hung up, but not sure how to correct it.

I finally figured out my webservice returns a JSON Array. Now getting that over to the ArrayList and/or ListView is the challenge. I have a feeling that once this project is done, it might make for a great tutorial or example...

CODE:..............

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Android : Way To Parse JSON Object Into ArrayList / Map?

Jul 14, 2010

Is there any way to parse JSON object, that comes from facebook server in a response, into ArrayList or Map so that i can set values in my ListView. I am finding difficulty in parsing because JSON object itself contains JSONArray and this Array can contain JSONObject may be in recurcive order.

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Android : Create A ListView Layout From An ArrayList?

Jul 4, 2010

What I want to do in one of my tabs in my application is have a ListView of contacts. Though, in that example, the ListView is made from an array of Strings. Is there a way that I can create one of those using the values from an ArrayList?

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Android : Populate An ExpandableList With ArrayList Of Hashmaps?

Nov 7, 2010

Can anybody tell me how to populate an Expandable List with Array List of Hash maps. Actually i have made a tree Data structure and i want to use my Data Structure to populate the Expandable List....

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Android :: Saving State Of ArrayList Of Custom Objects

Aug 12, 2010

I have a member variable in my Activity which is an ArrayList. The objects populating this Array List are objects I have defined called Rating Item. Rating Item has several member vars like rating, comment, ID, etc. I would like to save this Array List in onSaveInstanceState so it can be repopulated from onRestoreInstanceState. What is the best way to do this? I've never saved the state of an object of this complexity.

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Android :: Saving ArrayList Of User Defined Objects

Aug 10, 2010

I am working on an application where I am saving the state of an application in an ArrayList. Now, to save this state, I tried to use Serialization. But, somewhere in the user defined object, I am using Button, which is not letting me serialize the entire object. I wanted to know, is there any other way of saving this array list between onPause and onResume? I even tried onSaveInstanceState, but it doesn't have support for Array List.

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Android :: Adding Group ArrayList Into Single One / How To Recognize Each?

Oct 28, 2010

Can I add a group of ArrayList into a single ArrayList? The ArrayList groups are of different sizes. Then How can I recognize each ArrayList?

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Android :: Twitter Application - Retweet With UserID In Arraylist

Sep 2, 2010

I am new to twitter .I like to develope one twitter Application.

The methods to be used for replying the tweets.
How to retweet with userID in arraylist

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Android :: Way To Send ArrayList Of Custom Objects In Bundle?

Sep 16, 2010

I have an application that uses a service to create an ArrayList of custom objects (MyObject) every x seconds. I then want my Activity to obtain this ArrayList. I'm currently planning on having the Service send a message to the Activity's handler every time it finishes the query for the data. I want the message to the Handler to contain the ArrayList of MyObjects. When building the method in the Activity to get this ArrayList out of the message, I noticed that I couldn't.

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