lift language level to java 7, and some code cleanup

1 files changed, 2 insertions, 2 deletions

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EncryptFilesFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EncryptFilesFragment.java
index 6961f5ee7..be305cc58 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EncryptFilesFragment.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EncryptFilesFragment.java
@@ -59,7 +59,7 @@ public class EncryptFilesFragment extends Fragment implements EncryptActivityInt
     private View mShareFile;
     private ListView mSelectedFiles;
     private SelectedFilesAdapter mAdapter = new SelectedFilesAdapter();
-    private final Map<Uri, Bitmap> thumbnailCache = new HashMap<Uri, Bitmap>();
+    private final Map<Uri, Bitmap> thumbnailCache = new HashMap<>();
 
     @Override
     public void onAttach(Activity activity) {
@@ -224,7 +224,7 @@ public class EncryptFilesFragment extends Fragment implements EncryptActivityInt
     @Override
     public void onNotifyUpdate() {
         // Clear cache if needed
-        for (Uri uri : new HashSet<Uri>(thumbnailCache.keySet())) {
+        for (Uri uri : new HashSet<>(thumbnailCache.keySet())) {
             if (!mEncryptInterface.getInputUris().contains(uri)) {
                 thumbnailCache.remove(uri);
             }