Log file of ss-android and v2ray plugin

Implementations shadowsocks-android
1

I am using ss-android 4.8.7 with v2ray plugin 1.3.0 from play store, and I can’t get it to connect to my ss server, but ss-windows on my pc works fine. Can you tell me where can I find the log file of ss-android and v2ray plugin?
Thanks~

2

Please use $adb logcat.

3

The v2ray-plugin from GooglePlay does not work properly.