android – Snackbar package in AndroidX-ThrowExceptions

Exception or error:

When migrating a project or switching between branches which are and aren’t migrated, Android Studio cannot build projects because it cannot find the android.support.design.widget.Snackbar package. Support/Design packages are removed but the migration table does not list the correct new package for this component.

How to solve:

This took a long time to resolve, as until your project successfully builds, autocomplete will not function to lookup packages.

The correct package to use is:

com.google.android.material.snackbar.Snackbar

It is also important to remember to change this on the XML tags as well as the imports if the migration has not worked successfully.

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Old build artifact com.android.support:design now solves in com.google.android.material:material:1.0.0 for AndroidX build artifact.

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Add implementation "com.google.android.material:material:1.1.0" to your app-level build.gradle.

Also, ensure that your project is set up to migrate old packages to Androidx by including this in your gradle.properties file:

android.useAndroidX=true
android.enableJetifier=true

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Import

com.google.android.material.snackbar.Snackbar;

instead of

android.support.design.widget.Snackbar;

if you shifted to androidx and AS couldn’t find the package anymore.

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Updating to Anko version 0.10.8 will resolve this, it will tell you that snackbar(view, int) is now deprecated, instead of it you will use view.snackbar(int: Message)

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