...Androidx Migration...

PiperOrigin-RevId: 247499141

demos/main/src/main/java/com/google/android/exoplayer2/demo/TrackSelectionDialog.java

@@ -25,13 +25,13 @@ import androidx.fragment.app.DialogFragment;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentManager;
 import androidx.fragment.app.FragmentManager;
 import androidx.fragment.app.FragmentPagerAdapter;
 import androidx.fragment.app.FragmentPagerAdapter;
-import android.support.v4.view.ViewPager;
 import androidx.appcompat.app.AppCompatDialog;
 import androidx.appcompat.app.AppCompatDialog;
 import android.util.SparseArray;
 import android.util.SparseArray;
 import android.view.LayoutInflater;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.ViewGroup;
 import android.widget.Button;
 import android.widget.Button;
+import androidx.viewpager.widget.ViewPager;
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.source.TrackGroupArray;
 import com.google.android.exoplayer2.source.TrackGroupArray;
 import com.google.android.exoplayer2.trackselection.DefaultTrackSelector;
 import com.google.android.exoplayer2.trackselection.DefaultTrackSelector;

demos/main/src/main/res/layout/track_selection_dialog.xml

@@ -19,7 +19,7 @@
     android:layout_width="match_parent"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
     android:layout_height="match_parent">
 
 
-  <android.support.v4.view.ViewPager
+  <androidx.viewpager.widget.ViewPager
       android:id="@+id/track_selection_dialog_view_pager"
       android:id="@+id/track_selection_dialog_view_pager"
       android:layout_width="match_parent"
       android:layout_width="match_parent"
       android:layout_height="0dp"
       android:layout_height="0dp"
@@ -32,7 +32,7 @@
         app:tabGravity="fill"
         app:tabGravity="fill"
         app:tabMode="fixed"/>
         app:tabMode="fixed"/>
 
 
-  </android.support.v4.view.ViewPager>
+  </androidx.viewpager.widget.ViewPager>
 
 
   <LinearLayout
   <LinearLayout
       android:orientation="horizontal"
       android:orientation="horizontal"