B4A Question Phone LogCat - imgsimonebiliato    
Nov 27, 2017Hello,
i want to save the logcat of phone library to a txt file.
I have two questions:
1 - Is possible to apply a filter?
2- I noticed that when the application, produce an error log, the logcat is empty. Is it true?...
link: : -v,raw,*:F,B4A:v
I noticed that when the application, produce an error log, the logcat is empty...
B4A Question LogCat in Phone Library - Snant    
Sep 19, 2011.
As i studied the Phone Library documentation, i think i could use LogCat Member with LogCatStart and... ?
Here is an example:
Global Declaration
Sub Process_Globals
Dim Logger As LogCat
Dim...
link: Globals
Dim Logger As LogCat
Dim Args(1) As String
Dim ListViewLogData As ListView
End...
link: Can someone finish this example
I posted Snant code above (to save time)
thanks...
link: get the same results i got from adb logcat....
B4A Question Are Logs from LogCat available on restart after previous crash - Robert Valentino    
Dec 12, 2021 the audio player - then it automatically gets started again) the app works perfect.
ARE the old logs from...
link: attached) and changed all my Log commands to cLogMsgs.LogMsg to caused all my log messages to be written...
link: Are you able to connect to the device with a USB cable? This will allow you to see the logs....
B4A Question setup LogCat to monitor all about app crash - peacemaker    
Apr 24, 2020Hi, All
I use LogCat standardly
logcat.LogCatStart(Array As String("-v","raw... on the remote app, to analyze it later when and if any trouble is occured.
How to setup the LogCat better ?...
link: To understand what hapenned those time, why app was restarted when the app's log has nothing...
link: I don't understand what you are trying to do with LogCat....
link: when the QR-code recognition is not started.
But anyway how to use LOgcat inside the app to control...
B4A Question Anyone else had "Native crashes" without usable logcat outputs? - fredo    
Jul 14, 2018   
(2 reactions)I put this here so it might be helpful for someone else.
While testing an app via the Firebase "Test Lab"
69922
there where this strange errormessage
69921
only on certain devices: &quo...
link: JavaObject calls are not "native" / jni calls....
B4A Code Snippet Monitoring the unfiltered logs for errors - Erel    
Sep 21, 2025   
(18 reactions)On modern devices the unfiltered logs is extremely busy, making it very difficult to find something relevant.
If using ADB / USB debug mode then you can open command line in <android sdk>\platform-tools and run:
adb logcat *:E
This will show logs of all apps with the "importance level" set to ERROR or higher.
I will add such a filter to the IDE....
B4A Library Android Logcat viewer - agraham    
Jan 3, 2011   
(4 reactions)Basic4Android has the useful Log command to supplement Toasts and Msgoxes as debugging aids. Although the Basic4Android IDE has a Logcat viewer I find it annoying to have to keep resizing the right...
link: It works with ADB WiFi too - very handy.
Martin.
So, after 1 year...Yeah, i can see logs now...
link: B4A does. it looks like this is done using a ~c- prefix in the log text. For example, a line of red text...
link: Excellent, thank you....
B4A Question Logcat Viewer on Nox app player not working - mcqueccu    
Mar 3, 2017 trouble with is the logcat viewer. It doesnt display any log. This is what i get when i hit connect.
LogCat connected to: 127.0.0.1:62001
--------- beginning of /dev/log/main
--------- beginning of /dev...
link: I see. This means that logs are not working. B4A uses ADB tool to read the logs in this mode...
link: except log information.
I thought b4a bridge only works with real devices? I tried B4A Bridge too...
link: Are you using B4A-Bridge? Try to switch to USB debug mode if it supports it....
B4A Tutorial Logcat viewing - agraham    
Nov 4, 2010The Basic4Android IDE contains a mysterious tab entitled "Logcat" in the right hand pane.
This archive contains a help file that will tell you what a Logcat is and also contains a more...
link: You can use Android.SDK\tools\monitor.bat to see the LOG-Cat (and much more)
If you want only...
link: when connecting the Log:
LogCat connected to: B4A-Bridge: alps GT-I9502-355201261821479
ALL other Apps...
link: AWESOME
i got an additional SAMSUNG Galaxy S2 - connected with that device all log-entries...
B4A Question LogCat not working through B4A-Bridge - techknight    
Nov 19, 2015 the B4A-Bridge which I do from time to time, Log(XXX) isnt working, even after hitting connect in the LogCat...I am having an issue.
If I use USB debugging mode, and push the Debug app through that, Logcat...
link: You can always switch to USB debug mode....
link: I have the same problem to debug using my Fire. There is anyway to sove this ?...
link: It could be. I dont know, it was random that day. Seems to be working now, at least at home....
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