Android :: To Mock Sqlite3 Cursor When No Db / Table Exists?
Sep 16, 2010
I am using a ContentProvider for caching results from a web-service query. It is an HTTP request and the response content is XML. Most of the data is cached, so I simply query the DB, if not found, request from webservice, insert in DB and requery the DB. Thus the response is always a Cursor from SQLiteDatabaseHelper.
I have one result set that is not stored in the DB and since it is 100% transient, but I would like to provide the appearance of it coming from the DB's Cursor. Is there an easy way to do this? For example, if I could project it onto the cursor with a cursor.setValue("string", objectValue) or some other existing implementation.
If not, I will either bypass the DB for this content result, or stuff it into a trivial table that is constantly reused.
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Nov 15, 2010
I am using sqlite database in andriod. i m not creating any database i m using created database and it has successfully opened but when i am using:
Cursor cursor= db.query(tablename, null, null, null, null, null, null);
Then it gives this table does not exists plz help me.i got frustated with this problem. i also googled this problem but didnt find exact solution.
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Jun 22, 2010
The following function is giving me an out of bounds exception...
public void count(){
SQLiteDatabase db = table.getWritableDatabase();
String count = "SELECT count(*) FROM table";
Cursor mcursor = db.rawQuery(count, null);
int icount = mcursor.getInt(0);
System.out.println("NUMBER IN DB: " + icount);}
It's meant to return the number of rows in the database. Anybody know whats wrong? am I perhaps doing this task the wrong way?
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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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Nov 30, 2009
When my app loads up I need to import a bunch of records into its database. How do I run the following sqlite3 command from my app?
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Mar 9, 2009
I'd really appreciate a pointer to some actual working example code on how to use the Andy-SQLite3 engine on the device to access a db stored on the /sdcard when using Andy-SDK 1.0_r2. Since I have an ADP1 I am not using 1.1_r1 until the upgrade is available on ADP1 'Andys'. The device space will not hold the database, so I need the /sdcard, but I am open to creating an sdcard database and attaching it to a 'starter' database in the device space if somebody has done that successfully and would share example code for that.
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Aug 5, 2010
I am using android build target vendor version 2.2. I want to access/read sqlite3 database file of an application A from an application B. Is it possible to do so? because I don't want to import that DB file of apps A in Apps B.
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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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Mar 29, 2010
The structure of some of my activities is a simple ListView with a custom CursorAdapter. The cursor is created in onCreate() on the activity from a SQLite database. The problem is that querying the SQLite database can be quite slow at times with lots of data (and let's assume I've already optimized the sql query as much as possible). Because it occurs in onCreate() on the UI thread, I get ugly black screens when opening the activity, which sometimes turn into ANRs, on a slow phone like the G1. I want to load the cursor in a background and show "Loading.." on screen while doing so. I saw AsyncQueryHandler used extensively in the framework, but this seems a solution geared more towards Content Providers and not application-local SQLite databases. I then thought of trying to load the cursor in a background thread, but realize that this might be problematic, as the CursorAdapter should be instantiated in onCreate() and should take a cursor as a parameter. The latest thought I had was to instantiate an empty MatrixCursor in onCreate() and pass that to the cursor adapter, while kicking off a thread/TimerTask to query the database. Then, on database cursor load, call cursorAdapter.change Cursor to the properly filled cursor. This doesn't seem very elegant and seems quite wasteful, however.
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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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Mar 21, 2010
I get records from the system by quering a ContentResolver. I maintain the order of the items in the database. So I want to display the items in the order taken from my database.
How do I merge these two informations?
I am looking after an alternative way now. As what I ideally want is:
Get order of contacts by a custom order held in my database (this involves joining CR with my DB cursor, and doing an order by, later seams it's not possible with CursorJoiner) but there is more, if the join is not unique I want to sort by contact's name as last measure
Which is impossible using Cursor and Joiners, because of the missing feature of order bys, also I need to return a Cursor, as I will be using the in an ExpandableList
Also this translated to TSQL it would look like
select * from contactsdata
left join category on contactsdata.catid=category.id
order by category.pos asc, contact.display_name asc
So I am looking now after an alternative. I have in mind to load in a temporary DB table all data from CR, then do the query on the temporary table where I can join tables and do order bys? How does this sound to you?
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Sep 5, 2010
Specifically, I was trying to use the sqlite3 command with the adb shell to run some queries on the database of the Android application I'm building. I kept getting "sqlite3: permission denied". I'm developing on a Nexus One that I purchased from Google. Does my phone need to be rooted or something?
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Aug 27, 2010
i would like to post on twitter/facebook my location, but not my EXACT location.i would want to change my GPS location to another county over are there any apps to do this? i've checked out the "my fake location" but you have to know the coordinates and such. are there any apps that you can just simply type in an address?
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Mar 26, 2009
Can EasyMock be used with Android SDK to test my code? I integrated EasyMock Class Extension to one of my test case to mock an object operates on SQLite db. When executing my test case I got the following exception when setUp() is called: Code...
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Sep 21, 2009
I'm writing unit tests for a class containing Locations. To create a (mock) Location, I do this:
Location from = new Location("Johan");
However, the Location(String) constructor throws a RuntimeException saying "Stub!".
How can I create a mock location?
Note that I'm running this on the plain JDK with android.jar in the path, after JUnit but before my own stuff. No device or emulator is involved. The android.jar file is from the platforms/android-1.5 directory of android-sdk-linux_x86-1.6_r1.
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Jun 7, 2010
I've read this post about mocking location with custom provider, but I am looking for a way to mock the location during a presentation, is that possible?
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Mar 5, 2009
I encountered with a problem when I use DDMS to send mock gps location data . I checked out the source code of Android and make the latest version.Then put my test apk file of gps to the emulator and start DDMS, but when I use Emulator Control of DDMS to manually Button to send mock location data it says no GPS emulation in this virtual device. But the same apk file works fine in the SDK 1.0
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Jan 11, 2010
test my app with an android device that is using a corporate calendar.... alternatively, can you tell me how to set up a mock corporate exchange server connection (and thus corporate calendar) on the emulator?
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Sep 27, 2009
I am working on an application that requires an approximate position of the user, so basically i am fine with any relatively recent location data i can get. However I can't seem to get things right using mock location data and would therefore appreciate your help. The method i'm having tries to set mock location data for the gps provider and tries to later retrievie it BUT: locationManager.setTestProviderEnabled("gps", true); seems to fail because i do not get any active location provider from the location manager. When I tried using a mock location provider with addTestProvider and give it my mock location, the LocationManager returns me this mock provider with getProviders(true) but then getLastKnownLocation returns null instead of the provided mock location.
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Aug 25, 2009
I would like to check whether there is any direct API available to check whether a particular Database exists or not ?
Currently, to initialize data for the first time (not repeatedly), we try of open the db and if it fails we know the database does not exists otherwise it is already created and initialized.
Is there any simple API available to check whether DB exists or not ?
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Jun 19, 2009
I couldn't find Calendar application in the emulator, is there any plug-in to have all the applications enabled in emulator?
If Calendar app exists, what is the service API for Calendar application supported by android.
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Aug 2, 2010
I have created a database for my android app which contains static data and does not require update/delete functionality thus when the app starts, I want to check if the db exists and if not then execute my dbAdapter class. I know its a simple if statement but I was just wondering the most efficient way to query whether the db exists.
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Sep 11, 2012
Is there some way to force Google Maps to actually use Mock Locations?. I have mock locations turned on, on my phone and I use a seperate GPS receiver. It works in several maps, but the second I activate navigation for Google Maps I get an annoying popup telling me to activate GPS. I just want that popup to go away but cant.
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May 7, 2010
I'm trying to open a file in android like this:
CODE:..........
But in case the file does not exists a file not found exception is thrown . I'd like to know how could I test if the file exists before attempting to open it.
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Jun 1, 2010
How can I test if there's a ContentProvider for a Uri ?
I'm currently doing a query on it and checking for a null cursor, but that generates an error in the system log each time, which I don't like to do.
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Jun 22, 2010
I used AlarmManager to set the pending intent.
I need to find out the state of the pending intent, in other word, is this pending intent working or not. Boz i may need to cancel this pending intent, but before canceling it i want to make sure it's active.
But i see no function in AlarmManager can read this status.
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Dec 23, 2009
I am struggling to find a way to determine if a valid network is available to an app. specifically, if there's a problem making a network connection, i would like to be determine if it's on the client (app) side, or a problem with the remote server. i happen to be attempting a URL connection (using http client) and the wide and varied possible exceptions don't seem like a reliable method. for example, when the network is down on the phone, i received "unknown host exception", which doesn't really indicate the root cause ... it's possible to get that exception with a valid network connection also. at other times i get other exceptions, such as socket exception. is there a way to ask the phone if it's network ready? the other option i thought was to ping a known good server to see if it responds ... with an IP address. kind of a heavy weight option and not foolproof.
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