use view binding for three more activities

app/src/main/java/com/dkanada/gramophone/ui/activities/PlaylistDetailActivity.java

@@ -4,14 +4,13 @@ import android.os.Bundle;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
-import android.widget.TextView;
 
 import androidx.annotation.NonNull;
-import androidx.appcompat.widget.Toolbar;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.afollestad.materialcab.MaterialCab;
+import com.dkanada.gramophone.databinding.ActivityPlaylistDetailBinding;
 import com.h6ah4i.android.widget.advrecyclerview.animator.GeneralItemAnimator;
 import com.h6ah4i.android.widget.advrecyclerview.animator.RefactoredDefaultItemAnimator;
 import com.h6ah4i.android.widget.advrecyclerview.draggable.RecyclerViewDragDropManager;
@@ -38,20 +37,10 @@ import org.jellyfin.apiclient.model.playlists.PlaylistItemQuery;
 import java.util.ArrayList;
 import java.util.List;
 
-import butterknife.BindView;
-import butterknife.ButterKnife;
-
 public class PlaylistDetailActivity extends AbsSlidingMusicPanelActivity implements CabHolder {
-
-    @NonNull
     public static String EXTRA_PLAYLIST = "extra_playlist";
 
-    @BindView(R.id.recycler_view)
+    ActivityPlaylistDetailBinding binding;
-    RecyclerView recyclerView;
-    @BindView(R.id.toolbar)
-    Toolbar toolbar;
-    @BindView(android.R.id.empty)
-    TextView empty;
 
     private Playlist playlist;
 
@@ -64,10 +53,13 @@ public class PlaylistDetailActivity extends AbsSlidingMusicPanelActivity impleme
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        setDrawUnderStatusbar();
-        ButterKnife.bind(this);
 
+        binding = ActivityPlaylistDetailBinding.inflate(getLayoutInflater());
+        setContentView(binding.getRoot());
+
+        setDrawUnderStatusbar();
         setStatusbarColorAuto();
+
         setNavigationbarColorAuto();
         setTaskDescriptionColorAuto();
 
@@ -93,8 +85,8 @@ public class PlaylistDetailActivity extends AbsSlidingMusicPanelActivity impleme
     }
 
     private void setUpRecyclerView() {
-        ViewUtil.setUpFastScrollRecyclerViewColor(this, ((FastScrollRecyclerView) recyclerView), ThemeStore.accentColor(this));
+        ViewUtil.setUpFastScrollRecyclerViewColor(this, ((FastScrollRecyclerView) binding.recyclerView), ThemeStore.accentColor(this));
-        recyclerView.setLayoutManager(new LinearLayoutManager(this));
+        binding.recyclerView.setLayoutManager(new LinearLayoutManager(this));
 
         recyclerViewDragDropManager = new RecyclerViewDragDropManager();
         final GeneralItemAnimator animator = new RefactoredDefaultItemAnimator();
@@ -107,10 +99,10 @@ public class PlaylistDetailActivity extends AbsSlidingMusicPanelActivity impleme
 
         wrappedAdapter = recyclerViewDragDropManager.createWrappedAdapter(adapter);
 
-        recyclerView.setAdapter(wrappedAdapter);
+        binding.recyclerView.setAdapter(wrappedAdapter);
-        recyclerView.setItemAnimator(animator);
+        binding.recyclerView.setItemAnimator(animator);
 
-        recyclerViewDragDropManager.attachRecyclerView(recyclerView);
+        recyclerViewDragDropManager.attachRecyclerView(binding.recyclerView);
 
         adapter.registerAdapterDataObserver(new RecyclerView.AdapterDataObserver() {
             @Override
@@ -122,8 +114,8 @@ public class PlaylistDetailActivity extends AbsSlidingMusicPanelActivity impleme
     }
 
     private void setUpToolbar() {
-        toolbar.setBackgroundColor(ThemeStore.primaryColor(this));
+        binding.toolbar.setBackgroundColor(ThemeStore.primaryColor(this));
-        setSupportActionBar(toolbar);
+        setSupportActionBar(binding.toolbar);
         //noinspection ConstantConditions
         getSupportActionBar().setDisplayHomeAsUpEnabled(true);
         setToolbarTitle(playlist.name);
@@ -172,13 +164,13 @@ public class PlaylistDetailActivity extends AbsSlidingMusicPanelActivity impleme
         if (cab != null && cab.isActive()) {
             cab.finish();
         } else {
-            recyclerView.stopScroll();
+            binding.recyclerView.stopScroll();
             super.onBackPressed();
         }
     }
 
     private void checkIsEmpty() {
-        empty.setVisibility(adapter.getItemCount() == 0 ? View.VISIBLE : View.GONE);
+        binding.empty.setVisibility(adapter.getItemCount() == 0 ? View.VISIBLE : View.GONE);
     }
 
     @Override
@@ -197,11 +189,8 @@ public class PlaylistDetailActivity extends AbsSlidingMusicPanelActivity impleme
             recyclerViewDragDropManager = null;
         }
 
-        if (recyclerView != null) {
+        binding.recyclerView.setItemAnimator(null);
-            recyclerView.setItemAnimator(null);
+        binding.recyclerView.setAdapter(null);
-            recyclerView.setAdapter(null);
-            recyclerView = null;
-        }
 
         if (wrappedAdapter != null) {
             WrapperAdapterUtils.releaseAll(wrappedAdapter);

app/src/main/java/com/dkanada/gramophone/ui/activities/SearchActivity.java

@@ -15,6 +15,7 @@ import androidx.recyclerview.widget.RecyclerView;
 
 import com.dkanada.gramophone.R;
 import com.dkanada.gramophone.adapter.SearchAdapter;
+import com.dkanada.gramophone.databinding.ActivitySearchBinding;
 import com.dkanada.gramophone.interfaces.MediaCallback;
 import com.dkanada.gramophone.model.Album;
 import com.dkanada.gramophone.model.Artist;
@@ -33,21 +34,10 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-import butterknife.BindView;
-import butterknife.ButterKnife;
-
 public class SearchActivity extends AbsMusicServiceActivity implements SearchView.OnQueryTextListener {
-
     public static final String QUERY = "query";
 
-    @BindView(R.id.recycler_view)
+    ActivitySearchBinding binding;
-    RecyclerView recyclerView;
-
-    @BindView(R.id.toolbar)
-    Toolbar toolbar;
-
-    @BindView(android.R.id.empty)
-    TextView empty;
 
     SearchView searchView;
 
@@ -59,26 +49,28 @@ public class SearchActivity extends AbsMusicServiceActivity implements SearchVie
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_search);
-        setDrawUnderStatusbar();
-        ButterKnife.bind(this);
 
+        binding = ActivitySearchBinding.inflate(getLayoutInflater());
+        setContentView(binding.getRoot());
+
+        setDrawUnderStatusbar();
         setStatusbarColorAuto();
+
         setNavigationbarColorAuto();
         setTaskDescriptionColorAuto();
 
-        recyclerView.setLayoutManager(new LinearLayoutManager(this));
+        binding.recyclerView.setLayoutManager(new LinearLayoutManager(this));
         adapter = new SearchAdapter(this, Collections.emptyList());
         adapter.registerAdapterDataObserver(new RecyclerView.AdapterDataObserver() {
             @Override
             public void onChanged() {
                 super.onChanged();
-                empty.setVisibility(adapter.getItemCount() < 1 ? View.VISIBLE : View.GONE);
+                binding.empty.setVisibility(adapter.getItemCount() < 1 ? View.VISIBLE : View.GONE);
             }
         });
 
-        recyclerView.setAdapter(adapter);
+        binding.recyclerView.setAdapter(adapter);
-        recyclerView.setOnTouchListener((v, event) -> {
+        binding.recyclerView.setOnTouchListener((v, event) -> {
             hideSoftKeyboard();
             return false;
         });
@@ -99,8 +91,8 @@ public class SearchActivity extends AbsMusicServiceActivity implements SearchVie
     }
 
     private void setUpToolBar() {
-        toolbar.setBackgroundColor(ThemeStore.primaryColor(this));
+        binding.toolbar.setBackgroundColor(ThemeStore.primaryColor(this));
-        setSupportActionBar(toolbar);
+        setSupportActionBar(binding.toolbar);
         // noinspection ConstantConditions
         getSupportActionBar().setDisplayHomeAsUpEnabled(true);
     }

app/src/main/java/com/dkanada/gramophone/ui/activities/SplashActivity.java

@@ -26,8 +26,6 @@ import org.jellyfin.apiclient.model.logging.ILogger;
 import org.jellyfin.apiclient.model.serialization.GsonJsonSerializer;
 import org.jellyfin.apiclient.model.serialization.IJsonSerializer;
 
-import butterknife.ButterKnife;
-
 public class SplashActivity extends AbsBaseActivity {
     public static final String TAG = SplashActivity.class.getSimpleName();
 
@@ -39,7 +37,6 @@ public class SplashActivity extends AbsBaseActivity {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_splash);
         setDrawUnderStatusbar();
-        ButterKnife.bind(this);
 
         setStatusbarColorAuto();
         setNavigationbarColorAuto();