How To Get Previous Filled ArrayList Data Entries
Jun 9, 2012
I am working on android app where user fill application form in which he has to feel entries like user name, Roll No, Location etc.I have given two button prev and next....Now i want to do When user filled up the form and clicked on next button he will navigate to next page and when he clicked on prev button he will get same information that he was filled before i.e. user name, Roll No, Location.
I have used arraylist to store values that supposed to captured in form..EX. Button A= Name, Button B= RollNo, Button C= Location for 'n' no of times i.e. if i entered 10 such records and clicked previus button 2 times then it suppose to show that values only....
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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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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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Apr 25, 2010
I am trying to save an arraylist to a .txt file below is the code I am using, which runs without error but when I try to go to Astro file manager and browse the data folder there is nothing there.
String filename = stationname.getText().toString() + System.currentTimeMillis();
FileOutputStream fos = openFileOutput(filename,Context.MODE_PRIVATE);
ObjectOutputStream out = new ObjectOutputStream(fos);
out.writeObject(report);
Report is the ArrayList that holds each of my station Reports.
out.close();
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Apr 17, 2013
The device : Google Nexus S
The problem: Broken LCD display... The official Samsung service replaced the LCD display and installed 4.0.1. The result is that I lost all my data (all photos and videos are lost).
I tried every recovery tool available (from R-studio to Photorec)... No data recovered... Is there any chance to recover the previous configuration or may I start to take it for granted that all my photos are forever gone ?
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Aug 3, 2010
If I clear the data in the "Contacts Storage" tab of "Manage Applications" will this only delete the data stored on the phone itself or will it also delete the contact on the exchange server as well? I have some contacts that are duplicates because they were put in the phone before I was able to get the exchange sync set up resulting in an entry for exchange and an entry for phone when in the "People" area.
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Aug 30, 2010
I've ever played with root and I guess I should have read up abit more about it.
Details = Followed instructions from a Youtube video, and got a CyanogenMod. Pretty cool and all, but wanted to try another. Used the same method described in the youtube video to get this Fresh rom i keep hearing good reports about. Liked it, but now wanted to do a factory reset, and it goes back to the previous, CyanogenMod.
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Oct 2, 2010
So I did a factory reset and all of my downloaded applications were still there. I thought it clears all of your downloaded apps and it was supposed to clear all of my settings. Such as display and sound settings which it also didn't do. Is this the way its supposed to work or not.
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Jan 18, 2010
I need your help. I'm really new to Android, developing in Eclipse with the latest 2.1 SDK. This is really simple. I make a ListView which is filled with Checkbox widgets. My code:..............
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Feb 12, 2009
With this code: http://jtribe.blogspot.com/2008/12/sending-sms-using-android-intents....
I tried setting an Uri of sms:number, and changing the action to ACTION_SENDTO. But, it's not filled up.
I guess it's not supported? This is on both the dev phone (original firmware) and the emulator of the 1.0R2 SDK.
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Jan 7, 2014
Everytime I factory reset and restore I lose about 2 GB of storage. I have almost no space left with minimal apps installed now. I have cm11 on my note 2 which I finally got this morning to work(yay), but before that I kept failing yesterday and had to factory wipe my phone several times like 3 or 4. Is wiping my phone in cwm creating giant files or something?
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Dec 30, 2009
I am developing an application in which the user require to register first and than got the user page. For that i have made layout and the layout consist many fields, so, i have made part of layout and also made the separate activity for the each layout. The layout like address, phone, etc... After that i have wrote the code for calling an activity and it works fine. It means when i press the "Next" button the another page will come and it will also consist some textview ,edittext and previous and next button. Actually, i want something different like -- When the user fill the first form and he will proceed to next, the content written by the user should not gone when the user press "Next" button. The content should be there which was written by user. And same way i have have 6 pages like that way to complete the registration process. So, have you any idea to solve above problem? I really need your help because right now i stuck at this point. So, please any body help me out of this problem. I would appreciate your help. I am waiting for your reply.
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Apr 23, 2010
99.9% of the Android market apps are useless like stupid sound boards, low quality buggy apps made by noobs, many apps already come standard in 2.1 and the builtin apps in 2.1 are superior. Some apps have no logical use in any situation and they are there simply there because some noob could compile a little code. So how do we filter out all this junk? Why cant there be a section with only quality approved apps. This is getting ridiculous IMO.
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Nov 20, 2009
I tried this code which I found here...
But I get a message on the screen which reads "Unsupported Action". Any ideas of how to get this working?
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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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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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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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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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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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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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Jun 8, 2010
I want the contains() method from ArrayList to be case insensitive. Is there any way?
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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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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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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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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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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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Jun 8, 2012
I am in the mid of my application where i have used multidimensional String array
String 1= "A", "10", "XYZ";
String 2 = "B", "20", "PQR";
i am able to split values by using StringTokenizer i.e.
stringTokeniser 1= A
stringTokeniser 2= B
stringTokeniser 1= 10
stringTokeniser 2= 20
stringTokeniser 1= XYZ
stringTokeniser 2= PQR
Now i want to display those values i.e. A, B in one column
10,20 in second and XYZ, PQR in third column respectively.
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Jan 11, 2013
I am developing some application for android and i have problem.
I push data with button click from another activity with intent to string of first activity, and i put from that string these data to listview by a adapter, and it is all ok, i mean i see on listview that data, but when i want to add new item in listview by click of button of second activity, i mean do again same thing, there is a problem: that data i push by a second button click replaces first button click data, and i want to add that data under first data in another listview row?
here is code of activity where is a listview:
package com.example.kupi;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import android.R.array;
import android.app.Activity;
[Code] .....
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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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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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