error package android.support.design.widget does not exist

Replace

implementation 'com.android.support:support-v4:28.0.0'

with

implementation 'androidx.legacy:legacy-support-v4:1.0.0'

in your build.gradle

If you are using android studio then put following in gradle file and rebuild.

 compile 'com.android.support:support-v4:23.2.1'
 compile 'com.android.support:design:23.2.1'

If version 23.2.1 won't support, use 23.1.1

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