Android :: Throw Tables Into List Table?
Mar 9, 2010
I am trying to throw 4 tables into a List<table> and then run a query on each through a loop... this isn't really working. ollowing code totally freehand as I had to undo the code I wrote because it wouldn't run :
//this first line is the one that I would imagine is the linchpin on getting this to work List<table> mTables = new List<table>(); mTable.add("character1") //add character 2 //add character 3 //add character 4 for (int i = 0; i < 4; i++) { mCursor = db.query(mTables.get(i), null null.......); mCursor.movetofirst;
//use ContentValue to update a few fields
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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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Nov 10, 2010
I have this database file under the usual databases folder and a bunch of tables inside it. Please note that I don't want to retrieve under the command line. I know I can use the ".tables" command. I want to retrieve a list of all tables in it, using code, so that I can execute some specific algorithms on each of them. Also, I didn't find any questions with this problem on Android, so please forgive me if there is any. I was wondering if there is any function I can use under Databases, but I didn't find any either.
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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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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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Nov 19, 2010
I make login in my main activity.
If the login is correct, I wanna see my profile and download some data from server, but I cannot keep the connection, if I change activity.
How can I do this?
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Oct 12, 2009
I'm trying to use NinePatchDrawables in a LayerDrawable, but for some reason I get a NullPointerException. I've isolated the problem to the getPadding() method; the following code reproduces the problem:
CODE:...............
What am I missing? Do I have to do anything special with the NinePatch? The program seems to work if I use the NinePatch directly (instead of putting it in a LayerDrawable).
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Nov 13, 2009
I want to change the current activity inside a tab in a tab activity, after some research, I know that I need to use activity group to go this.
Then I created a new class extends ActivityGroup with the code below:
CODE:............
Then I run the program, the program throw the ActivityNotFoundException when the intent for the tab is launched.
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May 26, 2010
ActivityManager am = (
CODE:.........
Exception
CODE:..................
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Apr 11, 2010
Hello, I use a thread for drawing to the canvas. By coincidence I recognized that in the program always jumps into the finally part. After view.onDraw(c); is reached it steps back to synchronized (surfaceHolder) and then it steps into the finally part. This happens every time. This means to me that every time exceptions are thrown.
Can anybody explain why this is so?
CODE:......................
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Nov 26, 2009
I'm currently working on an XMPP app' on Android and I'm pondering about the best way to throw a different type of Exception than a RemoteException to my activity from my service.
As it seems impossible to throw another thing than a RemoteException using IPC (you can't declare to throw anything in your .aidl), I just see two solutions:
Create a listener for my activity to listen on my custom XMPP exception, which in fact will not be thrown but just sent as a usual object implementing the Parcelable protocol.
Catch my XMPPException and throw a RemoteException (with a content updated with my XMPPException) - But in that case, how could I know on my activity if it's an XMPP or a real RemoteException ? By tagging the name of the exception and parsing it on my activity ? It would be really gore.
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Sep 1, 2009
A strange error: when DatePicker is used as child item of <TableRow>, it throws out StackOverflowError and then the application crashes. It would work fine if it is defined outside of <TableRow>.
Do not know why ....... Is it related to my UTF-8 strings defined in strings.xml?
CODE:.........
The exception:
CODE:......................
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Aug 16, 2010
There does not seem to be any Android manifest permission that needs to be set for file io. Code...
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Sep 27, 2010
I'm trying to reduce the number of queries I do to the Android's database. Basically I want to get any email or IM address that contains a user defined search term. Right now I'm doing two separate queries:
Email:...............
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Nov 20, 2010
I'm trying to use Android SDK's SQLiteQueryBuilder to join two tables, let's call them t1 and t2, and query that table based on an attribute from each table, say t1.att1 and t2.att2, equaling a certain value. I'm a little confused on the syntax when it comes to the selection.
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Feb 28, 2010
I need to display a single list, ordered by date which contains different types of data, images, video and whatnot.
I guess you could have one separate table for each type and the use something like FULL OUTER JOIN (simulated as sqlite doesn't support it) and sort on date. But this would be complicated because I still need to have unique IDs across all tables.
Maybe having a master list which has ID and date, and then JOIN in the types tables? But how bad is the performance of this using sqlite? I really like to avoid having a super table which contains columns all the combined types could ever need.
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Oct 6, 2009
I want to operate on multiple tables. I searched a lot but everywhere I could find is single table with one content provider.
How can I use multiple tables under one content provider? How can I get result from two/three tables ?
Can I provide my own SQL select query from multiple tables in ContentProvider?
Can anybody give me any example or link where I can get idea?
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Jul 30, 2009
I am trying to create a database with two tables. Employees and Computers. A spinner with employee names fill properly when I don't try create and do anything with the second table...
The code to create is:
CODE:.........................
Is there somehting I am doing wrong during the creating, as the rest of the code (to read data) is exactly the same...
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Sep 4, 2010
Does anyone of you know how to create dynamic Tablelayouts? On my Emulator Android just shows nothing.
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Oct 6, 2010
I created a data base named as example.db with some tables in SqlLite. It worked fine. It was also created in data/data/com.mypackage.myapp/databases/example.db. Now, I need to open that database and see the content in the database.
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Aug 22, 2010
I'd like to populate a listview from 2 tables. Anyone know how I can achieve this? Currently what I have looks like but it only works with one adapter.
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Apr 5, 2009
How to retrieve data from two tables via the ContentProvider way? I.E. the database of Calendar application, include many tables including Events and Deleted, and some others. I want to retrive records in Events table, whose _sync_id field is also in Deleted table. Usually, we write a SQL sentence like: select (all fields in Events) from Events as e, Deleted as d where e._sync_id = d._sync_id or select * rom Events as e where e._sync_id in select _sync_id from Deleted etc. But, how can I accomplish it in the ContentProvider way? I saw ContentProvider.query take a Uri as the first parameter, but pity that I don't know how to build one that could fulfill my purpose.
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Apr 25, 2009
Anyone working with big sqlite tables and trying to match rows using patterns (for example for autocomplete purposes) ? recently i played with LIKE statement and it seems it will never use table index (if any), you have to use GLOB instead. but....... the weird thing is that you cannot use selectionParams in your query: you have to specify your pattern in selection like:
CODE:........
My words table has two TEXT columns: 'key' and 'value' and index on 'key'
For example: i have table with ~28000 rows and when using selectionParams my query took 1500 ms and without selectionParams 20 ms does it have anything to do with android or its sqlite weird feature?
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Jul 19, 2010
I am trying to find out the best way to do a simple table join on my two tables using a sqlite database in an android application. Is the simplest way to use CursorJoiner or is there any easier way?
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Jun 1, 2010
I have about twenty pages of information that is stored in tables that needs to be stored in my Android application. Each column is a designated stop on a bus route and the column is filled with times that the bus will be at the stop. There is also certain information that needs to be associated with some times, such as if the bus is handicap accessible at a certain time.
Here is an example of one of the tables: Bus Times
I have thought about using a SQL lite as that seems as though it would be able to store these tables quite easily; but when I think of using SQL I think of dynamic data storage and this shouldn't be changing more than once a year.
Is SQL appropriate for this application? Is there a better way to do this?
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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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