Remove successful downloads from queue

app/src/main/java/eu/kanade/mangafeed/data/download/DownloadManager.java

@@ -296,6 +296,10 @@ public class DownloadManager {
         }
         download.totalProgress = actualProgress;
         download.setStatus(status);
+        // Delete successful downloads from queue after notifying
+        if (status == Download.DOWNLOADED) {
+            queue.remove(download);
+        }
     }
 
     // Return the page list from the chapter's directory if it exists, null otherwise

app/src/main/java/eu/kanade/mangafeed/data/download/model/DownloadQueue.java

@@ -42,14 +42,6 @@ public class DownloadQueue {
         return queue;
     }
 
-    public void clearSuccessfulDownloads() {
-        for (Download download : queue) {
-            if (download.getStatus() == Download.DOWNLOADED) {
-                remove(download);
-            }
-        }
-    }
-
     public Observable<Download> getActiveDownloads() {
         return Observable.from(queue)
                 .filter(download -> download.getStatus() == Download.DOWNLOADING);

app/src/main/java/eu/kanade/mangafeed/ui/base/activity/BaseActivity.java

@@ -1,6 +1,7 @@
 package eu.kanade.mangafeed.ui.base.activity;
 
 import android.content.Context;
+import android.os.Build;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.Toolbar;
 import android.view.MenuItem;
@@ -35,6 +36,11 @@ public class BaseActivity extends AppCompatActivity {
             getSupportActionBar().setSubtitle(getString(titleResource));
     }
 
+    public void setToolbarElevation(int elevation) {
+        if (getSupportActionBar() != null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
+            getSupportActionBar().setElevation(elevation);
+    }
+
     public Context getActivity() {
         return this;
     }

app/src/main/java/eu/kanade/mangafeed/ui/manga/MangaActivity.java

@@ -2,7 +2,6 @@ package eu.kanade.mangafeed.ui.manga;
 
 import android.content.Context;
 import android.content.Intent;
-import android.os.Build;
 import android.os.Bundle;
 import android.support.design.widget.TabLayout;
 import android.support.v4.app.Fragment;
@@ -17,8 +16,8 @@ import butterknife.Bind;
 import butterknife.ButterKnife;
 import eu.kanade.mangafeed.App;
 import eu.kanade.mangafeed.R;
-import eu.kanade.mangafeed.data.mangasync.MangaSyncManager;
 import eu.kanade.mangafeed.data.database.models.Manga;
+import eu.kanade.mangafeed.data.mangasync.MangaSyncManager;
 import eu.kanade.mangafeed.data.preference.PreferencesHelper;
 import eu.kanade.mangafeed.ui.base.activity.BaseRxActivity;
 import eu.kanade.mangafeed.ui.manga.chapter.ChaptersFragment;
@@ -57,7 +56,7 @@ public class MangaActivity extends BaseRxActivity<MangaPresenter> {
         ButterKnife.bind(this);
 
         setupToolbar(toolbar);
-        disableToolbarElevation();
+        setToolbarElevation(0);
 
         Intent intent = getIntent();
 
@@ -70,12 +69,6 @@ public class MangaActivity extends BaseRxActivity<MangaPresenter> {
             getPresenter().queryManga(manga_id);
     }
 
-    private void disableToolbarElevation() {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-            toolbar.setElevation(0);
-        }
-    }
-
     private void setupViewPager() {
         adapter = new MangaDetailAdapter(
                 getSupportFragmentManager(),
@@ -100,7 +93,6 @@ public class MangaActivity extends BaseRxActivity<MangaPresenter> {
 
         private int pageCount;
         private String tabTitles[];
-        private Context context;
 
         final static int INFO_FRAGMENT = 0;
         final static int CHAPTERS_FRAGMENT = 1;
@@ -108,7 +100,6 @@ public class MangaActivity extends BaseRxActivity<MangaPresenter> {
 
         public MangaDetailAdapter(FragmentManager fm, Context context) {
             super(fm);
-            this.context = context;
             tabTitles = new String[]{
                     context.getString(R.string.manga_detail_tab),
                     context.getString(R.string.manga_chapters_tab),

app/src/main/res/layout/activity_manga_detail.xml

@@ -12,9 +12,7 @@
         android:layout_height="wrap_content"
         android:theme="@style/ThemeOverlay.AppTheme.Dark">
 
-        <include
-            android:id="@+id/toolbar"
-            layout="@layout/toolbar" />
+        <include layout="@layout/toolbar" />
 
         <android.support.design.widget.TabLayout
             android:id="@+id/tabs"