lift language level to java 7, and some code cleanup

1 files changed, 4 insertions, 4 deletions

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EncryptFilesActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EncryptFilesActivity.java
index 1494d05e1..b1da1f2c5 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EncryptFilesActivity.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EncryptFilesActivity.java
@@ -122,13 +122,13 @@ public class EncryptFilesActivity extends EncryptActivity implements EncryptActi
 
     @Override
     public ArrayList<Uri> getInputUris() {
-        if (mInputUris == null) mInputUris = new ArrayList<Uri>();
+        if (mInputUris == null) mInputUris = new ArrayList<>();
         return mInputUris;
     }
 
     @Override
     public ArrayList<Uri> getOutputUris() {
-        if (mOutputUris == null) mOutputUris = new ArrayList<Uri>();
+        if (mOutputUris == null) mOutputUris = new ArrayList<>();
         return mOutputUris;
     }
 
@@ -252,7 +252,7 @@ public class EncryptFilesActivity extends EncryptActivity implements EncryptActi
         sendIntent.setType("application/octet-stream");
 
         if (!isModeSymmetric() && mEncryptionUserIds != null) {
-            Set<String> users = new HashSet<String>();
+            Set<String> users = new HashSet<>();
             for (String user : mEncryptionUserIds) {
                 String[] userId = KeyRing.splitUserId(user);
                 if (userId[1] != null) {
@@ -382,7 +382,7 @@ public class EncryptFilesActivity extends EncryptActivity implements EncryptActi
         String action = intent.getAction();
         Bundle extras = intent.getExtras();
         String type = intent.getType();
-        ArrayList<Uri> uris = new ArrayList<Uri>();
+        ArrayList<Uri> uris = new ArrayList<>();
 
         if (extras == null) {
             extras = new Bundle();