Make some inner classes static

This avoids an implicit this field and can help GC.  Found via
error-prone.

3 files changed, 3 insertions, 3 deletions

diff --git a/app/src/main/java/de/danoeh/antennapod/activity/FeedInfoActivity.java b/app/src/main/java/de/danoeh/antennapod/activity/FeedInfoActivity.java
index 21951dc0e..cc9db5e6e 100644
--- a/app/src/main/java/de/danoeh/antennapod/activity/FeedInfoActivity.java
+++ b/app/src/main/java/de/danoeh/antennapod/activity/FeedInfoActivity.java
@@ -379,7 +379,7 @@ public class FeedInfoActivity extends AppCompatActivity {
         }
     }
 
-    private class ApplyToEpisodesDialog extends ConfirmationDialog {
+    private static class ApplyToEpisodesDialog extends ConfirmationDialog {
 
         private final Feed feed;
         private final boolean autoDownload;
diff --git a/app/src/main/java/de/danoeh/antennapod/adapter/itunes/ItunesAdapter.java b/app/src/main/java/de/danoeh/antennapod/adapter/itunes/ItunesAdapter.java
index f1f8be559..64912ba9b 100644
--- a/app/src/main/java/de/danoeh/antennapod/adapter/itunes/ItunesAdapter.java
+++ b/app/src/main/java/de/danoeh/antennapod/adapter/itunes/ItunesAdapter.java
@@ -162,7 +162,7 @@ public class ItunesAdapter extends ArrayAdapter<ItunesAdapter.Podcast> {
     /**
      * View holder object for the GridView
      */
-    class PodcastViewHolder {
+    static class PodcastViewHolder {
 
         /**
          * ImageView holding the Podcast image
diff --git a/app/src/main/java/de/danoeh/antennapod/fragment/DownloadsFragment.java b/app/src/main/java/de/danoeh/antennapod/fragment/DownloadsFragment.java
index 52a38ccb9..5d29f4bde 100644
--- a/app/src/main/java/de/danoeh/antennapod/fragment/DownloadsFragment.java
+++ b/app/src/main/java/de/danoeh/antennapod/fragment/DownloadsFragment.java
@@ -78,7 +78,7 @@ public class DownloadsFragment extends Fragment {
         viewPager.setCurrentItem(lastPosition);
     }
 
-    public class DownloadsPagerAdapter extends FragmentPagerAdapter {
+    public static class DownloadsPagerAdapter extends FragmentPagerAdapter {
 
         Resources resources;