Programmtyp bereits vorhanden: android.support.v4.app.inotificationsIdechannel
implementation 'com.android.support:appcompat-v7:28.0.0-alpha1'
implementation 'com.android.support:design:28.0.0-alpha1'
implementation 'com.android.support:support-v4:28.0.0-alpha1'
Doubtful Donkey