What replaced appcompat-v7 in AndroidX

Use in the order:

implementation 'androidx.appcompat:appcompat:1.0.2'   
implementation 'com.google.android.material:material:1.0.0'
implementation 'androidx.cardview:cardview:1.0.0'

If you would like to use alpha/beta releases:

implementation 'androidx.appcompat:appcompat:1.1.0-rc01'
implementation 'com.google.android.material:material:1.1.0-alpha09'

More info about the releases:

• AndroidX Releases
• Material Components library

Yes, AndroidX has new Dependencies.

Use below implementation in your project

implementation 'androidx.appcompat:appcompat:1.0.2'
implementation 'androidx.cardview:cardview:1.0.0'

Instead of

implementation 'com.android.support:appcompat-v7:28.0.0'
implementation 'com.android.support:cardview-v7:28.0.0'

and for more refer below link :-

• https://developer.android.com/jetpack/androidx/migrate/artifact-mappings

and make sure before migrating the project to androidX.

Steps to migrate Project (Very Easy)

1 : add gradle.properties file if doesn't exits. and add below line

org.gradle.jvmargs=-Xmx1536M

2 : goto refactor > Migrate to Android X

and do not change anything studio will automatically update all things