Fix redundant initializers

app/src/main/java/de/danoeh/antennapod/activity/DirectoryChooserActivity.java

@@ -113,7 +113,7 @@ public class DirectoryChooserActivity extends AppCompatActivity {
         });
 
         butNavUp.setOnClickListener(v -> {
-            File parent = null;
+            File parent;
             if (selectedDir != null
                     && (parent = selectedDir.getParentFile()) != null) {
                 changeDirectory(parent);

app/src/main/java/de/danoeh/antennapod/adapter/NavListAdapter.java

@@ -194,7 +194,7 @@ public class NavListAdapter extends BaseAdapter
     @Override
     public View getView(int position, View convertView, ViewGroup parent) {
         int viewType = getItemViewType(position);
-        View v = null;
+        View v;
         if (viewType == VIEW_TYPE_NAV) {
             v = getNavView((String) getItem(position), position, convertView, parent);
         } else if (viewType == VIEW_TYPE_SECTION_DIVIDER) {

app/src/main/java/de/danoeh/antennapod/view/NestedScrollableHost.java

@@ -54,7 +54,7 @@ class NestedScrollableHost extends FrameLayout {
         touchSlop = ViewConfiguration.get(context).getScaledTouchSlop();
     }
 
-    private int touchSlop = 0;
+    private int touchSlop;
     private float initialX = 0f;
     private float initialY = 0f;
 

core/src/main/java/de/danoeh/antennapod/core/service/PlayerWidgetJobService.java

@@ -121,7 +121,7 @@ public class PlayerWidgetJobService extends SafeJobIntentService {
             views.setOnClickPendingIntent(R.id.layout_left, startMediaPlayer);
 
             try {
-                Bitmap icon = null;
+                Bitmap icon;
                 int iconSize = getResources().getDimensionPixelSize(android.R.dimen.app_icon_size);
                 icon = Glide.with(PlayerWidgetJobService.this)
                         .asBitmap()

core/src/main/java/de/danoeh/antennapod/core/service/download/HttpDownloader.java

@@ -189,7 +189,7 @@ public class HttpDownloader extends Downloader {
             }
 
             byte[] buffer = new byte[BUFFER_SIZE];
-            int count = 0;
+            int count;
             request.setStatusMsg(R.string.download_running);
             Log.d(TAG, "Getting size of download");
             request.setSize(responseBody.contentLength() + request.getSoFar());

core/src/main/java/de/danoeh/antennapod/core/storage/DBReader.java

@@ -582,7 +582,7 @@ public final class DBReader {
     }
 
     private static String getImageAuthentication(final String imageUrl, PodDBAdapter adapter) {
-        String credentials = null;
+        String credentials;
         try (Cursor cursor = adapter.getImageAuthenticationCursor(imageUrl)) {
             if (cursor.moveToFirst()) {
                 String username = cursor.getString(0);

core/src/main/java/de/danoeh/antennapod/core/storage/PodDBAdapter.java

@@ -1218,7 +1218,7 @@ public class PodDBAdapter {
     public Cursor searchItems(long feedID, String searchQuery) {
         String preparedQuery = prepareSearchQuery(searchQuery);
 
-        String queryFeedId = "";
+        String queryFeedId;
         if (feedID != 0) {
             // search items in specific feed
             queryFeedId = KEY_FEED + " = " + feedID;

core/src/main/java/de/danoeh/antennapod/core/sync/gpoddernet/GpodnetService.java

@@ -519,8 +519,8 @@ public class GpodnetService implements ISyncService {
 
     private String executeRequest(@NonNull Request.Builder requestB) throws GpodnetServiceException {
         Request request = requestB.build();
-        String responseString = null;
-        Response response = null;
+        String responseString;
+        Response response;
         ResponseBody body = null;
         try {
 

core/src/main/java/de/danoeh/antennapod/core/util/vorbiscommentreader/OggInputStream.java

@@ -39,7 +39,7 @@ class OggInputStream extends InputStream {
 	private void readOggPage() throws IOException {
 		// find OggS
 		int[] buffer = new int[4];
-		int c = 0;
+		int c;
 		boolean isInOggS = false;
 		while ((c = input.read()) != -1) {
 			switch (c) {