Requirement is to download the ADB software in order to take real time logs from the Android device. 

Instructions

1. Download the SDK platform for your platform (windows /mac) from this link : https://developer.android.com/studio/releases/platform-tools.html
2. Unzip the folder and ensure that the adb.exe file is there
3. Press shift and right click the mouse icon , select "Open Command window here" or you can run the command prompt and enter the path of where the adb.exe file is located 
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4. This will open the command prompt with correct path from adb .exe file or you .
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5.  Enable USB debugging on your Android phone: 
   1. Phone>Settings>About Phone>Tap the "Build Number" seven times. You should see get the message saying you are now a developer.
   2. Go to Developer options on phone and turn on USB debugging.
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6. Connect the device to the system and trust/allow the system 
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7. To test whether adb is working properly, connect your Android device to your computer using a USB cable and run following  command "adb devices" this will show the devices connected to the system . 
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8. Run the following command "Adb logcat -v threadtime >logcat.txt" and reproduce the issue
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9. Once the issue is reproduced press Ctrl+C this will stop the log 
10. The log file will be same directory which was extracted in the second step
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