xamarin.forms SQLite database missing in debug after device disconnected and reconnected to USB
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may be somebody can shed the light how to solve the following problem:
I am writing app with xamarin forms using SQLite for storing local data.
at some point I found, that sometimes my SQLite database missing . couple of days I was searching through internet trying to find the solution and checking everything ..
today I found, that it happens after I disconnect device from USB, connect it back and trying to start debugging
configuration.
windows 10 pc (10.0.17134.407), MS VS 15.9.2, Xamarin Forms 3.4.0.1008975 , SQLite-net-pcl 1.5.231 . device Samsung S7edge (SM-G935FD) with android 8.0.0
piece of code
string dbfname = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Personal), "dbname.db");
if (!File.Exists(dbfname))
{
System.Diagnostics.Debug.WriteLine("no database found, creating new");
IsNewDB = true;
}
else
{
IsNewDB = false;
}
working as expected on a device during numerous debug session restarts, working on simulator, working on a device disconnected from computer. but once I connect it to computer and starts debugging session file.exists returns false
with adb I'm seeing that database related files got deleted while visual studio deploys project to device. any idea what I am doing wrong ?
option to preserve app data between deploys checked.
thank you in advance.
ish
c#
android sqlite xamarin.forms asked Nov 22 at 16:32
ish1313
12
add a comment |
up vote
0
down vote
favorite
may be somebody can shed the light how to solve the following problem:
I am writing app with xamarin forms using SQLite for storing local data.
at some point I found, that sometimes my SQLite database missing . couple of days I was searching through internet trying to find the solution and checking everything ..
today I found, that it happens after I disconnect device from USB, connect it back and trying to start debugging
configuration.
windows 10 pc (10.0.17134.407), MS VS 15.9.2, Xamarin Forms 3.4.0.1008975 , SQLite-net-pcl 1.5.231 . device Samsung S7edge (SM-G935FD) with android 8.0.0
piece of code
string dbfname = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Personal), "dbname.db");
if (!File.Exists(dbfname))
{
System.Diagnostics.Debug.WriteLine("no database found, creating new");
IsNewDB = true;
}
else
{
IsNewDB = false;
}
working as expected on a device during numerous debug session restarts, working on simulator, working on a device disconnected from computer. but once I connect it to computer and starts debugging session file.exists returns false
with adb I'm seeing that database related files got deleted while visual studio deploys project to device. any idea what I am doing wrong ?
option to preserve app data between deploys checked.
thank you in advance.
ish
c#
android sqlite xamarin.forms asked Nov 22 at 16:32
ish1313
12
for some reason after USB reconnection msbuild completely reinstall application .. I think that here all data is removed 2>[BEGIN] Removing previous version of application 2>[MESSAGE] Removing previous version of application... 2>Removing previous version of application... 2>DEBUG RunShellCommand ce12160cd043882605 pm uninstall -k "com.companyname.Application" 2>DEBUG RunShellCommand ce12160cd043882605 pm uninstall -k "com.companyname.Application" 2>TASK: UninstallPackage pm uninstall -k "com.companyname.Application" completed?:Success 2>
– ish1313
Nov 23 at 9:27
add a comment |
up vote
0
down vote
favorite
up vote
0
down vote
favorite
may be somebody can shed the light how to solve the following problem:
I am writing app with xamarin forms using SQLite for storing local data.
at some point I found, that sometimes my SQLite database missing . couple of days I was searching through internet trying to find the solution and checking everything ..
today I found, that it happens after I disconnect device from USB, connect it back and trying to start debugging
configuration.
windows 10 pc (10.0.17134.407), MS VS 15.9.2, Xamarin Forms 3.4.0.1008975 , SQLite-net-pcl 1.5.231 . device Samsung S7edge (SM-G935FD) with android 8.0.0
piece of code
string dbfname = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Personal), "dbname.db");
if (!File.Exists(dbfname))
{
System.Diagnostics.Debug.WriteLine("no database found, creating new");
IsNewDB = true;
}
else
{
IsNewDB = false;
}
working as expected on a device during numerous debug session restarts, working on simulator, working on a device disconnected from computer. but once I connect it to computer and starts debugging session file.exists returns false
with adb I'm seeing that database related files got deleted while visual studio deploys project to device. any idea what I am doing wrong ?
option to preserve app data between deploys checked.
thank you in advance.
ish
c#
android sqlite xamarin.forms asked Nov 22 at 16:32
ish1313
12
may be somebody can shed the light how to solve the following problem:
I am writing app with xamarin forms using SQLite for storing local data.
at some point I found, that sometimes my SQLite database missing . couple of days I was searching through internet trying to find the solution and checking everything ..
today I found, that it happens after I disconnect device from USB, connect it back and trying to start debugging
configuration.
windows 10 pc (10.0.17134.407), MS VS 15.9.2, Xamarin Forms 3.4.0.1008975 , SQLite-net-pcl 1.5.231 . device Samsung S7edge (SM-G935FD) with android 8.0.0
piece of code
string dbfname = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Personal), "dbname.db");
if (!File.Exists(dbfname))
{
System.Diagnostics.Debug.WriteLine("no database found, creating new");
IsNewDB = true;
}
else
{
IsNewDB = false;
}
working as expected on a device during numerous debug session restarts, working on simulator, working on a device disconnected from computer. but once I connect it to computer and starts debugging session file.exists returns false
with adb I'm seeing that database related files got deleted while visual studio deploys project to device. any idea what I am doing wrong ?
option to preserve app data between deploys checked.
thank you in advance.
ish
c#
android sqlite xamarin.forms c#
android sqlite xamarin.forms asked Nov 22 at 16:32
ish1313
12
asked Nov 22 at 16:32
ish1313
12
edited Nov 22 at 17:07
asked Nov 22 at 16:32
ish1313
12
asked Nov 22 at 16:32
ish1313
12
asked Nov 22 at 16:32
ish1313
12
12
for some reason after USB reconnection msbuild completely reinstall application .. I think that here all data is removed 2>[BEGIN] Removing previous version of application 2>[MESSAGE] Removing previous version of application... 2>Removing previous version of application... 2>DEBUG RunShellCommand ce12160cd043882605 pm uninstall -k "com.companyname.Application" 2>DEBUG RunShellCommand ce12160cd043882605 pm uninstall -k "com.companyname.Application" 2>TASK: UninstallPackage pm uninstall -k "com.companyname.Application" completed?:Success 2>
– ish1313
Nov 23 at 9:27
add a comment |
for some reason after USB reconnection msbuild completely reinstall application .. I think that here all data is removed 2>[BEGIN] Removing previous version of application 2>[MESSAGE] Removing previous version of application... 2>Removing previous version of application... 2>DEBUG RunShellCommand ce12160cd043882605 pm uninstall -k "com.companyname.Application" 2>DEBUG RunShellCommand ce12160cd043882605 pm uninstall -k "com.companyname.Application" 2>TASK: UninstallPackage pm uninstall -k "com.companyname.Application" completed?:Success 2>
– ish1313
Nov 23 at 9:27
for some reason after USB reconnection msbuild completely reinstall application .. I think that here all data is removed 2>[BEGIN] Removing previous version of application 2>[MESSAGE] Removing previous version of application... 2>Removing previous version of application... 2>DEBUG RunShellCommand ce12160cd043882605 pm uninstall -k "com.companyname.Application" 2>DEBUG RunShellCommand ce12160cd043882605 pm uninstall -k "com.companyname.Application" 2>TASK: UninstallPackage pm uninstall -k "com.companyname.Application" completed?:Success 2>
– ish1313
Nov 23 at 9:27
for some reason after USB reconnection msbuild completely reinstall application .. I think that here all data is removed 2>[BEGIN] Removing previous version of application 2>[MESSAGE] Removing previous version of application... 2>Removing previous version of application... 2>DEBUG RunShellCommand ce12160cd043882605 pm uninstall -k "com.companyname.Application" 2>DEBUG RunShellCommand ce12160cd043882605 pm uninstall -k "com.companyname.Application" 2>TASK: UninstallPackage pm uninstall -k "com.companyname.Application" completed?:Success 2>
– ish1313
Nov 23 at 9:27
add a comment |
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for some reason after USB reconnection msbuild completely reinstall application .. I think that here all data is removed 2>[BEGIN] Removing previous version of application 2>[MESSAGE] Removing previous version of application... 2>Removing previous version of application... 2>DEBUG RunShellCommand ce12160cd043882605 pm uninstall -k "com.companyname.Application" 2>DEBUG RunShellCommand ce12160cd043882605 pm uninstall -k "com.companyname.Application" 2>TASK: UninstallPackage pm uninstall -k "com.companyname.Application" completed?:Success 2>
– ish1313
Nov 23 at 9:27