AndroidX databinding generation is wrong

问题

I'm trying to migrate to androidx and i'm facing the following issue:

Databinding generates classes that includes android.support.. instead of androidx...

Does anyone have an ideea about how to replace android.support.. with androidx..?

I'm using Android Studio 3.2, build gradle version is : 3.2.0.

Here is an example of bad generated imports:

import android.support.design.widget.AppBarLayout;
import android.support.design.widget.CollapsingToolbarLayout;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.Switch;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.databinding.Bindable;
import androidx.databinding.DataBindingComponent;
import androidx.databinding.DataBindingUtil;
import androidx.databinding.ViewDataBinding;

回答1:

The problem was that binding generates classes based on bad .xml files.

Inside of .xml files were android.support.something instead of androidx.something.

This happened due to "migrate to androidx" feature which didn't replaced android.support.something with the new include (androidx.something) in the .xml files.

So to fix this you have to replace them manually.

回答2:

In my case, all XMLs appeared to be in a good state. However, Android Studio had invalid generated classes in its cache. Invalidate Caches/Restart did the trick.

Android Studio

Version: 3.5
Build #AI-191.8026.42.35.5791312, built on August 8, 2019
JRE: 1.8.0_202-release-1483-b49-5587405 x86_64
JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o

来源：https://stackoverflow.com/questions/52552009/androidx-databinding-generation-is-wrong