是我的荣幸 我的项目遇到了这个问题。请帮助我
implementation 'com.android.support.constraint:constraint-layout:1.1.2'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'androidx.test:runner:1.1.0-alpha3'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0-alpha3'
implementation 'com.google.firebase:firebase-core:11.6.0'
implementation 'com.google.firebase:firebase-database:11.6.0'
implementation 'com.google.firebase:firebase-storage:11.6.0'
implementation 'com.firebase:geofire-android:2.1.1'
implementation 'com.google.android.gms:play-services:11.6.0'
implementation 'com.github.bumptech.glide:glide:4.0.0'
implementation 'io.paperdb:paperdb:2.1'
implementation 'com.github.rey5137:material:1.2.4'
implementation 'com.hbb20:ccp:1.7.2'
implementation 'com.android.support:design:28.0.0-rc01'
implementation 'com.squareup.picasso:picasso:2.5.2'
implementation 'com.firebaseui:firebase-ui-database:1.2.0'
}
应用插件：“ com.google.gms.google-services”