Android :: Utc Timezone - Translate Database Table
Jan 22, 2009
to dear all Android developers, I need to know the UTC bias of my phone to correct the UTC time information I got from a site. I have read earlier posts and already found the solution to get TimeZone information from the "System.currentTimeMillis();" method. However, I need to translate the TimeZone (as like, "Asia/Taipei") to the UTC bias that it has to be (as like, "UTC+8" or other formats). Does anyone know the actual API solution? I have surveyed android.util.TimeUtils and found nothing to do this. The worst solution may I have is to build a "TimeZone/UTC" database table to translate this..
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May 31, 2009
Before I create a table, how can I know whether the table already exist in database? How to query?
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Jul 28, 2009
I'm working at an application about SQLite database. I have inserted some table in an database file. But I don't know how to get all the tables' name using code. For example, I defined a database object SQLiteDatabase dataBase = SQLiteDatabase.openOrCreateDatabase(getDatabasePath("Mydatabase"), null); and how can I get all the table names stored in the database file "Mydatabase". Counld anyone give me some code.
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Apr 20, 2010
how to clear a table in android database.
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May 13, 2010
I have already having 2 tables in a database now i want to create a new table in that database it self how can i create?
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Oct 11, 2010
I am new to andriod.I am creating a table and inserting the values into table by using sql lite.Now i need to change vales based on the id.how can i done this pls post some code.
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Oct 20, 2009
I am working on a project for a belgium Tv Guide. Now I download a database (.db) file from a server to the sdcard to work with. In this database are 2 tabels, tvchannels and tvprograms. Now I can do several updates to the tvchannels table and i want to make a backup of this table to a lokal database file. How can i do that? I want to do this because I have to download a new database file every daye from the server and the channels that are choses are saved in the tvchannels database. I want to backup this database table and when the new database file (tvgids.db) is downloaded I want to replace the tvchannels database (from downloaded database file) with the backup from tvchannels..
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Jul 22, 2010
I have a table with column headings: | _id (long) | Name (String) | x (integer) | y (integer) |
I want to delete the row in the table that has Name myName.
// In onCreate
dbHelper = new DBAdapter(this);
dbHelper.open()
// Function in DBAdapter class
public boolean deleteTitleGivenName(String myName)
{return dbHelper.delete(DATABASE_TABLE_2, KEY_NAME + "=" + myName, null) > 0;}
// Function call in java code
dbHelper.deleteTitleGivenName(myName); // this is where my code fails
dbHelper.close();
Just as a note: myName is for sure in the database. Also, I can not use the ROWID since I am getting myName from a ListView.
I just started programming with Android and I have tried for days to solve this problem.
Is my WHERE clause correct (KEY_NAME + "=" + myName)?
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Sep 12, 2010
I want my app to access database every hour and read next record from the table then update desctop widget and send notification. I know that there is AlarmManager which I can use to register my Intents but they are deleted when the phone is turned off or rebooted. Is there any other android class/service that I would update my application continuously even when I reboot my phone?
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Jan 21, 2010
In Android when you upgrade a database all data is lost. I'm going through a phase of development right now that is forcing many database upgrades. I don't want to lose all my data (and have to manually re-enter it) each time I upgrade my database. I would like to store my data in flat files and load those flat files into their respective tables each time a database upgrade occurs.
My questions is: What is the best way to go about this on the Android platform? Where should I store the data files (res/raw???) What sql should I execute to load these files?
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Nov 3, 2010
I want to read data from database and displayed it in table layout form. table will contain n rows and 2 columns. But row size is not fixed then how to show them in table layout format?
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Apr 23, 2010
I have a database where I store two different kinds of data. One table is for favorite routes, the other stores the retrieved routes from a server.
I can retrieve the routes etc just fine. But after retrieving the first Route, pressing back or HOME, and then retrieving another route, the routes table is filled with all the old routes plus the new ones.
So my question: how do I delete ONLY the routes table and not the whole database because I don't want to delete the added favorites?
I found the following function in the android docs:
public int delete (String table, String whereClause, String[] whereArgs) and I tried to implement it, but I must pass a SQLiteDataBase as an argument. But how?
I implemented: public void deleteTableRoutes(SQLiteDataBase db){ db.delete("routes", null, null);}
But I want to call this function from a different class where I have no reference to the database.. so what do I have to pass as an argument? Or how do I get a reference to my database?
I build my database upon the code example of the NotePadExample from the dev docs.How to solve this problem?
This is an extract of my class from where I want to call deleteTableRoutes(...)
private String start_from;
private String destination;
private int hour;
private int min;
private int day;
private int month;
private Source source;
private List<Element> tempList;
private List<Element> routes;
private String startT = "";
private String arrivalT = "";
private String duration = "";
private String line = "";
private boolean first=true;
private List<ResultElement> finalResult;
private List<Element> results;
private DbAdapter mDbHelper;
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Nov 14, 2011
i'm trying to access (read & write) from non-default (example 2nd table) table of a sqlite database which i created using sqlite database browser. but somehow, i cant seems to find the way to access it.
Code:
public class DatabaseHelper extends SQLiteOpenHelper {
private static String DB_PATH = "/data/data/com.sg/databases/";
private static String DB_NAME = "TestDatabase";
private SQLiteDatabase myDatabase;
[code]...
select data method works, but i can only select from table 1 and not table 2
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Nov 24, 2010
I have created a table named train_table in SQLite database with 3 columns. they are train_id, train_no and train_name. Now, i wrote a class in which i displayed the train_name in a list view. how do i get the related train_no in the next page? can anyone help me in sorting this problem.?
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May 22, 2010
In my project, I would like to create a database with single table. I would also like to insert data on this table from word or excel document. is it possible? if so please how can I do it? some code snippets would be of great help. I have four different activities which I would like them to interact with this single table. the first is the main activity and its purpose is just to launch the other three activities according to user choice. so it has no interaction with the DB. but the other three activities will read from the table whenever called. Can you please tell me how to call the dbhelper on these activities? I am unable to do this and I am currently creating one db per each activity which is not the optimal way.
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Jun 30, 2010
I am new to android application development.I have create registration form with user name,password, email. this values should be stored in sqlite database table. retrieve the data from the table. in login.java i have create the table and insert the values of registration form data in to the table dynamically. In databsehelper.java extends the databaseopenHelper class overwrite the oncreate and upgrade methods.this class i used this class in login.java. In display.java i am going to display the data in on success register details. there are no errors but it gives the error on the emulator unexpectedly stoped...................
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Aug 13, 2010
Is there an equivalent view structure to the iPhone default table cell? The default table cell formats an image (icon) and text in a nice looking way. Are there suggested equivalents for Android? Is there a sample somewhere?
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Aug 19, 2010
I want to create say 5 different types of cells in table along with identifiers and load them appropriately as per the given data depending upon the type?
Creating TableRow inside TableLayout seems to be one of the options but how to dynamically create the tableRows depending upon the type?
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Jul 15, 2009
Here is my screen description: It is a TableLayout and it contains multiple Rows. I have set TableRow as clickable, as I want to go to next screen on click of a tableRow. Everything I am doing through Java programming (instead of XML layout, because number of TableRows changes each time) On next screen, I wanted to display all the views of that particular clicked TableRow. Here the problem i am facing is how to capture particular tableRow on onclick() even and how do I get all the textviews of that particular Row. I tried to set id at runtime, and tried to get id of view, but it's not working, giving error resourcenotfoundexception.
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May 28, 2010
The table "credentials" does show up in the adb shell.
I've checked logcat and it doesn't seem to report a problem...
CODE:........
I've been pouring over this and I bet its some silly syntax typo! Or, at least I hope it is something trivial.
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Nov 4, 2010
I have a table layout with a few predefined rows in it. Each row has only two columns.
Now I need to dynamically add additional rows in it.
I have two problems:
1) When programmatically inflating, I cannot set the index of the newly created row (I want it in place 'n') 2) After inflation, the inserted (actually appended) row doesn't listen to parent table's stretch column property.
So here are my questions:
q1) Can I set the place where to insert the inflated row programatically ?
q2) Why doesn't the new row inflate properly (the second column is not shown because the first column doesn't contains a TextView with fill_parent.
In the end I need the first column to occupy 80% of the screen width, and the second column remaining 20%.
q3) is that doable with programmatic row insertions ?
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Jul 8, 2010
When a button is clicked, the following method is run:
public void createTableRow(View v) {
TableLayout tl = (TableLayout) findViewById(R.id.spreadsheet);
TableRow tr = new TableRow(this);
LayoutParams lp = new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT);
tr.setLayoutParams(lp);
TextView tvLeft = new TextView(this);
tvLeft.setLayoutParams(lp);......................
R.id.spreadsheet is an xml TableLayout. I can see from debugging that the method is being accessed, but nothing is drawn to the screen. What gives? Do I need to reset the Content View somehow?
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Apr 23, 2010
I meet a strange timezone issue when I debug my application on Android_2.1 SDK. I first start the emulator and set timezone to "Alaska" in Settings. I also search the internet and find Alaska is in GMT-9:00. If DST applied, it should be GMT-8:00. Then write some sample code like: TimeZone.getDefault().getOffset(0); // returns 36000000 (= 10 * 60 * 60 * 1000) TimeZone.getTimeZone("GMT-9:00").getOffset(0); // returns 32400000 (= 9 * 60 * 60 * 1000)
How does this happen? Why this same API getOffset with same parameter returns different value? You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscribe@googlegroups.com For more options, visit this group at
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Nov 14, 2010
I am trying to get phone's correct timezone. I tried String newTzID = Calendar.getInstance().getTimeZone().getID(); This is returning "America/Atikokan". But my phone's timezone is EST. Both of these have an offset of GMT -5 hours. But I actually need to differentiate between EST and "America/Atikokan", since "America/ Atikokan" doesn't have day light savings time. Is there a way to get the correct id?
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May 10, 2010
I've written an Android app that needs the short timezone name in which the handset is currently located.I'm using the following code: String timeZone = Calendar.getInstance().getTimeZone().getDisplayName(false, TimeZone.SHORT);When running in Chicago, this returns "CST". In New York, "EST". In Strasbourg, France, it's returning "HNEC" (Heure Normale de l'Europe Centrale in French).
The timezone in this location is referred to by some as "Central European Time" (see Wikipedia's Time zones of Europe).I'm passing timeZone off to a third-party system which very much insists on getting "CET" (not "HNEC"). Is there an API call I can rely on to return the three-letter (and, I think, "more modern") short timezone name? As my code runs in more and more locations, I'm guessing this problem is going to occur elsewhere, too. I'm really hoping to avoid maintaining some sort of map of three-letter to four-letter short timezone names.
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Aug 30, 2010
I am trying to implement time zone change in broadcast receiver but its not working .my requirment is if i change the time zone it will go to another activity using broad cast receiver can anybody give example
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Aug 21, 2010
I use translate move image from top to bottom,but translate finish image jump to image initial position.I don't know why,I want move image from A to B,finsih this image stay B.
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Apr 8, 2012
I am trying to convert the results of timezone to text for use in textView. I am new ro android devloping,
Here is my current code:
Code:
TimeZone tz = TimeZone.getDefault();
TextView tv = new TextView(this);
tv.setText(tz);
but it gives me this error:
Code:
The method setText(CharSequence) in the type TextView is not applicable for the arguments (TimeZone). I understand the error, but I do not know how to convert the Timezone to "Eastern Standard Time" or "Pacific Standard Time" or whatever the case may be.
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Aug 21, 2010
I have a few strings which I need to translate and display.Those strings are in variables. I have the translation in the strings.xml file.
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Nov 11, 2010
I require an animation for an image in my application.The image should start coming from the top left corner till the middle of screen. The image size will be smaller at the initial stage. While coming to the middle of the screen, its size should increase(i.e. scaling should take place). Image should not go back to its original position. It should be placed at the middle of the screen itself after the animation.
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