import android.support.annotation.NonNull

import androidx.annotation.NonNull

import android.support.annotation.Nullable

import androidx.annotation.Nullable

import android.support.v7.widget

import androidx.appcompat.widget

import androidx.appcompat.widget.CardView

import androidx.cardview.widget.CardView

android.support.v7.appcompat.R

androidx.appcompat.R

import android.support.annotation

import androidx.annotation

import androidx.appcompat.widget.RecyclerView

import androidx.recyclerview.widget.RecyclerView

import androidx.core.app.Fragment

import androidx.fragment.app.Fragment

import androidx.appcompat.widget.LinearLayoutManager

import androidx.recyclerview.widget.LinearLayoutManager

import androidx.core.view.PagerAdapter

import androidx.viewpager.widget.PagerAdapter

import androidx.core.view.ViewPager

import androidx.viewpager.widget.ViewPager

import androidx.core.app.DialogFragment

import androidx.fragment.app.DialogFragment

import androidx.appcompat.widget.SimpleItemAnimator

import androidx.recyclerview.widget.SimpleItemAnimator

import androidx.appcompat.widget.GridLayoutManager

import androidx.recyclerview.widget.GridLayoutManager

import android.support.v7.app.AppCompatActivity

import androidx.appcompat.app.AppCompatActivity

import android.support.v7.app.AlertDialog

import androidx.appcompat.app.AlertDialog

import androidx.core.content.LocalBroadcastManager

import androidx.localbroadcastmanager.content.LocalBroadcastManager

import android.support.design.widget.AppBarLayout

import com.google.android.material.appbar.AppBarLayout

import androidx.core.widget.SwipeRefreshLayout

import androidx.swiperefreshlayout.widget.SwipeRefreshLayout

import androidx.appcompat.widget.OrientationHelper

import androidx.recyclerview.widget.OrientationHelper