Samsung Galaxy S4 Mini 版本：
When I try to switch to the "Recently Used Apps" screen (by holding the home button), the process
However, in Landscape mode it works as usual (and rotating the device makes it crash again).
Samsung Galaxy S4 Mini Version:
EDIT: The system was not modified in any way (e.g. no root access).
Where can I find logs/files that provide me with additional info i.o. to trace the problem? Or what can I do to make it stop crashing (preferably not reseting)?
EDIT: Unfortunately, the issue mysteriously disappeared today and I cannot reproduce it any more.
To check logs there are a few options, for instance:
Given that you have a Samsung, try opening
SysDump by going to Phone dialer -> *#9900# (no need to press Dial). To get the logs, you might need to root your phone. This shows methods for accessing files in
data/data without rooting, and it may apply to
data/log as well.
Use the adb to check the output of
Use aLogcat. Details for checking an app adapted from here, it may require some tweaking for Recently Used Apps, if useful at all:
Use CatLog - Logcat Reader!. You might need root Access.
For completeness, I leave here a few related posts
Android device crash logs?
How can I view and examine the Android log?
You can get the log with this application installed CatLog - Logcat Reader!. Try to read log immediately after the exception.