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my project face problem such as not be able pass the textView value from the firstActivity(MainActivity) to secondActivity(profileActivity) textview.

is the reason that i used Backgroundworker (AsyncTask) so can't direct passing the data?

Backgroundworker (AsyncTask) is the java class for interact between mysql database and android studio purpose.

references:AsyncTask References

if the intent method can not used with AsyncTask backgound class , so what method that should i refer to?

below is MainActivity(AKA login activity) and bold text is the intent part:

I am new to motionlayout and been following various tutorials online like this to get an understanding of how it works. From a nutshell I have come to know it basically animates constraintSets, you have a start and end constraintSet which you can further customize with KeyFrameSets. I have this layout

I want to mimic Lyft's bottom sheet

With my layout the Where are you going button is suppose to slowly fade out as the search destination textInputs fade in. The recyclerview at the bottom is suppose to hold saved addresses, it will not be affected. I tried this implementation using a standard bottomsheet but had challenges with the animation, it had this weird flickering so I decided to use a MotionLayout with a normal view.

My bottomsheet layout is as follows

I'm trying to use TomTom's SDK for my Android app so I was practicing this tutorial https://developer.tomtom.com/maps-sdk-android/android-tutorials-use-cases/search-along-route but whenever I'm trying to invoke tomtomMap.centerOnMyLocation() I get an error. It used to work but now my returned location is always null.

Thanks in advance

I'm currently trying to learn SQLite in Android, and followed some tutorials on the internet.
Now I'm stuck with this one error, and I hope someone would point out my mistakes. I'm not sure what caused this problem, I've read most of these threads with the same question as me, but I still can't figure out how to fix it.

Here's the MainActivity.java