Hi Steve,
I have had a couple of Beta testers using Android 4.1 (or later) devices for
a few months now with no problems reported. ExecuteNonQuery is used
extensively in the app to write/update records to the SQLite db using insert
and update commands. I think the app was compiled using
mono
After some xperimentation, I found using:
$ adb shell cat /data/data/App.AppName/files/appname.db
to copy the file to the PC results in a slightly larger file that cannot be
opened by the PC's sqlite database (RazorSQL), while the file received
using:
adb pull /data/data/App.AppName/files/appna
Jon,
Looking at the options, it seems that:
using (var o = new StreamWriter(OpenFileOutput("appname.db",
FileCreationMode.WorldReadable)))
should solve the problem. However, I'm not familiar with StreamWriter and
how to use it to copy the Assets empty sqlite database file - say appname
Many thanks Jon for your very comprehensive reply. I'll have to digest your
response and try the methods therein - which look as though they should
resolve my problems with the Nexus permissions.
Andrew
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Any answer to this? Is using permission: MODE_WORLD_READABLE and
MODE_WORLD_WRITEABLE the way foward? If so, why are they not included in the
required permissions' list?
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I use ADB to transfer my app's sqlite file between PC and devices with my
production app. However, while working fine up to now with many different
devices, it doesn't work with a Galaxy Nexus running 4.1.1. Running the
following adb command to check the permissions: "C:\Program Files
(x86)\AppName
My App (built with MfA 4.0.4) crashes immediately when run on 4.0.3 (ICS)
devices. I have re-built it with MfA 4.0.6 Beta and that seems to have
resolved the issue. Any idea when 4.0.6 will be 'released'?
Regards...Andrew
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Is this similar to Bug 2528 - still there in 4.0.3?
Regards...Andrew
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As it's a Beta, I changed Tools>Options>Mono for Android>Settings>Notify of
Updates of Quality to Beta and the update message disappeared.
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Hi,
Yes, the signed apk is not for distribution. I sign and align the other
release apk for distribution 'manually' using, for example:
E:\Java\jdk1.6.0_25\bin\jarsigner -verbose -keystore
appname_android.keystore "E:\Android
Project\AppName\V100\AppName.AppName.apk" appname
E:\Android\android-s
Did you uninstall the unsigned (by you) version before trying to install the
signed (by you) version? Use Settings>Applications>Manage Applications>App
Name>Uninstall. If you don't the installation will fail.
Regards...Andrew
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Thanks Jon. The file name cases in the Obj Debug and Release Assets folders
were indeed different! Should have spotted that!
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Thanks for checking Enrico. I'm just using an alert message in OnCreate and
it is only displayed once when the activity is started; not when the
orientation is changed. I'm using MfA 1.2, so I'll check if it works with
MfA 4.
Regards...Andrew
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I want to restart an activity when the user changes the screen orientation.
The docs say:
"public static final int configChanges
Since: API Level 1
Specify one or more configuration changes that the activity will handle
itself. If not specified, the activity will be restarted if any of these
co
Sorry, it's not different on my computers. This should read:
Not quite! In Release mode I have to use:
Stream myInput = Assets.Open("SkylogPro.db");
whereas in Debug mode I have to use:
Stream myInput = Assets.Open("skylogpro.db");
The file in the Assets folder is: SkylogPro.db! How does o
Not quite! On my laptop I have to use:
Stream myInput = Assets.Open("SkylogPro.db");
whereas on my Desktop I have to use:
Stream myInput = Assets.Open("skylogpro.db");
The file in the Assets folder on both machines is: SkylogPro.db! How does
one clear the Assets cache? I've deleted and added
Solved! The problem was that originally I used the SQLite file name
'SkylogPro.db' in;
Stream myInput = Assets.Open("SkylogPro.db");
I then changed it to 'skylogpro.db':
Stream myInput = Assets.Open("skylogpro.db");
and also changed the file name t
I've gone back to MfA 1.2.0, so that isn't a consideration I'm afraid - wish
it was!
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I notice that AboutAssets.txt says to use:
InputStream input = Assets.Open ("my_asset.txt");
I get a missing directive/assembly error with InputStream and, hence, use
Stream as other users have recommended. Could this be the problem?
Regards...Andrew
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131224K available on my phone.
409296k available on the emulator.
After working for a while with release builds generated on my laptop, the
following line now fails again in release mode:
Stream myInput = Assets.Open("skylogpro.db");
Works fine in debug mode. This all I get in the adb log:
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Well, I'm at my in laws for Xmas with my laptop and, surprise, the release
build works ok on the laptop in the emulator and phone. Obviously, something
has become corrupted on my Desktop.
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And this is where it's crashing:
//Open your local db as the input stream
Stream myInput = Assets.Open(@"skylogpro.db");
Why is this not working in Release mode?
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ush();
myOutput.Close();
myInput.Close();
}
has worked for many months. However, today it crashes (with no error
messages) the app in the emulator in Release mode, but works ok in Debug
mode. I was using MfA 4.0.1, but I have gone back to MfA V1.2.0 - but no
difference. Any ideas?
Regards...
Never mind. Use esc as backpress and select the Sample Soft Keyboard in
Settings>Language & keyboard settings.
Andrew
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Thanks Enrico. I now have the app installed on a 1280x800 emulator but all I
see is the screen and no keyboard. I have both Keyboard and Keyboard lid
support installed, but no sign of them. What am I missing?
Regards...Andrew
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Is it possible to change the emulator's screen resolution? I have a customer
with a Galaxy note with a 5.3” WXGA (1280 x 800) screen who has text
overlapping problems. Can I emulate this?
Regards...Andrew
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After further investigation, Bug 2528 issued by Resco refers.
Regards...Andrew
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Never mind, there is obviously something wrong with the linking of my user
assemblies.
Andrew
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Well, packaging in Release mode works ok only if 'Use Shared Runtime' is
checked. Linking is set to 'SDK and User Assemblies'. As the shared runtime
isn't used in the release build, why is this so?
Regards...Andrew
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No, it has only worked with MfA 1.2.0. Did all you suggested, and packaging
still fails. I now see the following messages. It looks as though it may be
a problem with the Resco controls, so will flag it to them.
Regards...Andrew
_CompileJava:
JavaSourceFiles:
JavaLibraries:
AddOnPlatf
Using M4A V4 in VS2010, my previously working app now won't create a release
package. It works ok in debug mode on the emulator and San Francisco - not
using 'Fast Deployment though! The Build messages are below.
Have cleaned and rebuilt the app and re-installed MfA, but get the same
error.
Regar
Just use adb.exe in the \Android\android-sdk\platform-tools folder in cmd.exe
or a bat file as follows:
adb.exe install "C:\Program Files (x86)\yourapp.apk"
Make sure Settings>Applications>Development>USB debugging is checked on your
device.
Regards...Andrew
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You're right, I'm only loading one row of config/preferences data on startup,
so I don't think that increases the startup time by much at all; all other
SQLite activities are only carried out when needed. As you say, hopefully
the startup times can be brought down somewhat in future MfA updates.
R
Hi,
Well, my app takes 6 secs to start up on my ZTC San Francisco. However, the
main activity reads quite a few preferences from a SQLite table on startup,
so that probably slows things a bit. I haven't really looked at optimising
startup times yet, so I'm not sure whether or not it could be speed
The only permission required is WRITE_EXTERNAL_STORAGE. The potential
purchaser is Russian, but I don't know if that has any bearing on the matter
eg, language setting etc.
Regards...Andrew
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A customer tried to download my app from the Android Market to a Telenor HTC
HTC EVO 3D X515m but gets the message:
'This app is incompatible with your Telenor HTC HTC EVO 3D X515m.'
My app is built for OS 2.1 and above and armeabi and armeabi-v7a and the
phone is OS 2.3. Any ideas what the probl
was wrote:
>
> the icon name is 'skylog' in all folders. This is as per the Android
> guidelines. I also have an entry in the AndroidManifest:
>
> android:icon="@drawable-hdpi/skylog">
>
>
Never mind, the solution was to change
I have low, medium and high resolution icons in the Resources sub-folders:
drawable-hdpi
drawable-mdpi
drawable-ldpi
the icon name is 'skylog' in all folders. This is as per the Android
guidelines. I also have an entry in the AndroidManifest:
However, I get a 'Packaging Failed' error when
When trying to upload my apk to the Market, I get error:
the file is invalid: error: dump failed because no androidmanifest.xml found
The AndroidManifest.xml file is in the apk which has been signed and
zipaligned. I'm using a package name:
"SkylogPro.SkylogPro"
and, after zipaligning:
"Skylog
Ok, Bug 1068 submitted. Given that at least one Android device I have
encountered doesn't have an English(United Kingdom) locale, UK users with
this device have to use the US m/d/ date format - which they are unhappy
with! Is there a workround for this I wonder?
Regards...Andrew
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Right, the problem is that UseUserOverride is false in the following:
System.Globalization.CultureInfo ci =
System.Globalization.CultureInfo.InstalledUICulture;
DateTimeFormatInfo dtfi = ci.DateTimeFormat;
if (ci.UseUserOverride)...
even when Settings>Date & time>Automat
Thanks Glen. However, the issue I have is that my dates are always formatted
according to the Android device's 'Settings>Language & keyboard>Select
Locale' setting. The 'Settings>Date & time' format has no effect. I can't
figure out how to get the 'Settings>Date & time' format to override the
loca
How do I make all dates display in the 'Settings>Date & Time>Select date
format' date format in my app?
Regards...Andrew
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Thanks for the detailed explanation Jon. I'm including both the armeabi and
armeabi-v7a runtimes in my apk, so I guess my app should be ok.
Regards...Andrew
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Sent
Ah..Ok, thanks Greg. Shouldn't be a problem for my app then.
Regards...Andrew
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Our app appears to run ok on a Beta tester's Acer A500 honeycomb tablet
running OS 3.1. What problem areas should we look out for on Honeycomb
devices with apps compiled using Mono for Android 1.0.3?
Thanks...Andrew
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Works fine on my 2.1 device although Close() doesn't work as you found; I
just leave the connection open while the app is running as I access
different tables in the db all the time. However, I guess there may be other
SQLite functions which don't work in 2.1, but the basic ones I use to open,
read
Can anyone comment on this? I'm not sure which minimum Android OS version to
target at the moment: 2.1 or 2.2. If I could find out which sqlite
functionality was added in 2.2, that would help. Thanks.
Regards...Andrew
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SQLite seems to work fine on my San Francisco with OS 2.1 using basic sql
functionality. I don't create the db in the app. However, should we only
target OS 2.2 and later devices?
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Initial testing reveals that Update 1.0.3 has also solved my problems. My
Beta testers will, hopefully, confirm. Many thanks.
Regards...Andrew
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I'm experiencing the crashes on both the emulator and on various hardware too
- an Acer tablet and a San Francisco mobile phone. So, hopefully, this will
be fixed by the next update.
Regards...Andrew
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I wonder if this relates to the problems I'm having using Resco's
AdvancedList and DetailView (DV)components when scrolling records/items. My
recent Resco forum message on this subject:
/'Further info: With 6 ComboBoxes containing nearly 1500 records in total in
the DV, the app crashes after a few
Thanks John, I'll see if I can implement this with your code.
Regards...Andrew
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How can I detect soft and hard keyboard strokes in mfa?
Regards...Andrew
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Thanks Jon. It turns out that using the armeabi-v7a architecture solved the
problem after all - finger trouble! All works ok on OS 3.1 now.
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I'll do that tomorrow.
Herewith Toolbar.axml. However, during testing, I have commented out the
code which uses this resource - and everything else in the OnCreate
procedure except for:
base.OnCreate(bundle);
SetContentView(Resource.Layout.Main);
so I don't think it can have any bearing on the
I have included the armeabi-v7a architecture in my release build (together
with armeabi) but it makes no difference; the app still crashes as described
earlier. I have commented out all code in my main form's activity except
for:
protected override void OnCreate(Bundle bundle)
{
Forget ZeroConf; use adb.exe over usb.
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Thanks Carlo, the following works:
var externalStorageDirectory =
Android.OS.Environment.ExternalStorageDirectory.ToString();
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How do I get the external storage directory in Monodroid - as per Android
code:
import android.os.environment
File extDir1 = Environment.getExternalStorageDirectory();
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Ok, but our requirements are more complex: We use a Delphi Conduit app on the
PC which, when run, automatically connects to the iPhone over Wi-Fi and
displays the User name (using ZeroConf) on a Sync page button on the iPhone.
The User taps the button and the iPhone sqlite file is transferred to th
between
Android devices and PCs would be a fundamental requirement for many Android
apps, so I was surprised to see this capability missing from Monodroid.
Anyway, hopefully Xamarin Mono for Android V1 will help in this regard. My
Android customers are tapping their feet!
Regards...Andrew
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I'm looking to use ZeroConf over Wi-Fi as we do in our iPhone apps. From
googling, I understand that jmDNS has to be used, but I can't figure out how
to use it in Monodroid - or even if it's possible? Support said:
'Thanks for your interest in Xamarin. This requires a little bit of
speculation on
My Android app is now complete except fror the ability to transfer an SQLite
file to/from PC's. Any update to the inclusion of this capability in Xamarin
V1?
Regards...Andrew
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It's ZeroConf of course! Xamarin support advised that it may be possible to
use jmDNS in the next update - here's hoping, as my completed Android app is
useless without a PC-App file syncing capability.
Regards...Andrew
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No I haven't. I don't see that as an available reference assembly in
Monodroid.
Regards...Andrew
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I'm really disappointed by the lack of any response. If our Monodroid apps
cannot communicate with PC's, we'll have to drop Monodroid and redo all our
work in Java - which we have no expertise in - and lose all our investments
in Monodroid and Resco components. Before we take this drastic step, can
I need to transfer an sqlite file to/from Android - PC using a custom Bonjour
for Windows app on the PC - as we do in our iPhone app. Is there a
zeroconfig api in Monodroid to achieve this? I believe it can be done in
Android using JmDNS, but I don't see any References to this Java package in
Monod
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