diff --git a/src/org/fdroid/fdroid/AppFilter.java b/src/org/fdroid/fdroid/AppFilter.java
index 24f723d70..ad5479cf2 100644
--- a/src/org/fdroid/fdroid/AppFilter.java
+++ b/src/org/fdroid/fdroid/AppFilter.java
@@ -18,9 +18,6 @@
 
 package org.fdroid.fdroid;
 
-import android.content.Context;
-import android.content.SharedPreferences;
-import android.preference.PreferenceManager;
 import org.fdroid.fdroid.data.App;
 
 public class AppFilter {
@@ -32,7 +29,7 @@ public class AppFilter {
         boolean dontFilterRequiringRoot = Preferences.get().filterAppsRequiringRoot();
 
         if (app.requirements == null || dontFilterRequiringRoot) return false;
-        
+
         for (String r : app.requirements) {
             if (r.equals("root"))
                 return true;
diff --git a/src/org/fdroid/fdroid/FDroidApp.java b/src/org/fdroid/fdroid/FDroidApp.java
index 13f01829b..f51978b9c 100644
--- a/src/org/fdroid/fdroid/FDroidApp.java
+++ b/src/org/fdroid/fdroid/FDroidApp.java
@@ -49,7 +49,6 @@ import com.nostra13.universalimageloader.utils.StorageUtils;
 
 import de.duenndns.ssl.MemorizingTrustManager;
 
-import org.fdroid.fdroid.data.App;
 import org.fdroid.fdroid.data.AppProvider;
 import org.thoughtcrime.ssl.pinning.PinningTrustManager;
 import org.thoughtcrime.ssl.pinning.SystemKeyStore;
@@ -59,6 +58,7 @@ public class FDroidApp extends Application {
     private static enum Theme {
         dark, light
     }
+
     private static Theme curTheme = Theme.dark;
 
     public void reloadTheme() {
@@ -66,6 +66,7 @@ public class FDroidApp extends Application {
                 .getDefaultSharedPreferences(getBaseContext())
                 .getString(Preferences.PREF_THEME, "dark"));
     }
+
     public void applyTheme(Activity activity) {
         switch (curTheme) {
             case dark:
@@ -124,7 +125,6 @@ public class FDroidApp extends Application {
             }
         }
 
-        apps = null;
         invalidApps = new ArrayList<String>();
         ctx = getApplicationContext();
         UpdateService.schedule(ctx);
@@ -149,16 +149,16 @@ public class FDroidApp extends Application {
         try {
             SSLContext sc = SSLContext.getInstance("TLS");
             X509TrustManager defaultTrustManager = null;
-            
+
             /*
              * init a trust manager factory with a null keystore to access the system trust managers
              */
-            TrustManagerFactory tmf = 
+            TrustManagerFactory tmf =
                     TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
             KeyStore ks = null;
             tmf.init(ks);
             TrustManager[] mgrs = tmf.getTrustManagers();
-            
+
             if(mgrs.length > 0 && mgrs[0] instanceof X509TrustManager)
                 defaultTrustManager = (X509TrustManager) mgrs[0];
 
@@ -168,7 +168,7 @@ public class FDroidApp extends Application {
              */
             PinningTrustManager pinMgr = new PinningTrustManager(SystemKeyStore.getInstance(ctx),FDroidCertPins.getPinList(), 0);
             MemorizingTrustManager memMgr = new MemorizingTrustManager(ctx, pinMgr, defaultTrustManager);
-            
+
             /*
              * initialize a SSLContext with the outermost trust manager, use this
              * context to set the default SSL socket factory for the HTTPSURLConnection
@@ -187,12 +187,8 @@ public class FDroidApp extends Application {
 
     private Context ctx;
 
-    // Global list of all known applications.
-    private List<App> apps;
-
     // Set when something has changed (database or installed apps) so we know
     // we should invalidate the apps.
-    private volatile boolean appsAllInvalid = false;
     private Semaphore appsInvalidLock = new Semaphore(1, false);
     private List<String> invalidApps;
 
@@ -201,7 +197,6 @@ public class FDroidApp extends Application {
     public void invalidateAllApps() {
         try {
             appsInvalidLock.acquire();
-            appsAllInvalid = true;
         } catch (InterruptedException e) {
             // Don't care
         } finally {
diff --git a/src/org/fdroid/fdroid/FDroidCertPins.java b/src/org/fdroid/fdroid/FDroidCertPins.java
index 9ecf61847..98b36ec35 100644
--- a/src/org/fdroid/fdroid/FDroidCertPins.java
+++ b/src/org/fdroid/fdroid/FDroidCertPins.java
@@ -31,8 +31,8 @@ public class FDroidCertPins {
          * SPKI Pin: 638F93856E1F5EDFCBD40C46D4160CFF21B0713A
          */
         "638F93856E1F5EDFCBD40C46D4160CFF21B0713A",
-        
-        /* 
+
+        /*
          * SubjectDN: CN=guardianproject.info, OU=Gandi Standard SSL, OU=Domain Control Validated
          * IssuerDN: CN=Gandi Standard SSL CA, O=GANDI SAS, C=FR
          * Fingerprint: 187C2573E924DFCBFF2A781A2F99D71C6E031828
diff --git a/src/org/fdroid/fdroid/Preferences.java b/src/org/fdroid/fdroid/Preferences.java
index 47eebdc72..4b984deeb 100644
--- a/src/org/fdroid/fdroid/Preferences.java
+++ b/src/org/fdroid/fdroid/Preferences.java
@@ -2,7 +2,6 @@ package org.fdroid.fdroid;
 
 import java.util.*;
 
-import android.app.LoaderManager;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.preference.PreferenceManager;
diff --git a/src/org/fdroid/fdroid/PreferencesActivity.java b/src/org/fdroid/fdroid/PreferencesActivity.java
index 8de8a4589..569f3dc73 100644
--- a/src/org/fdroid/fdroid/PreferencesActivity.java
+++ b/src/org/fdroid/fdroid/PreferencesActivity.java
@@ -152,8 +152,7 @@ public class PreferencesActivity extends PreferenceActivity implements
 
         super.onResume();
         getPreferenceScreen().getSharedPreferences()
-                    .registerOnSharedPreferenceChangeListener(
-                            (OnSharedPreferenceChangeListener)this);
+                    .registerOnSharedPreferenceChangeListener(this);
 
         for (String key : summariesToUpdate) {
             updateSummary(key, false);
diff --git a/src/org/fdroid/fdroid/ProgressListener.java b/src/org/fdroid/fdroid/ProgressListener.java
index ab83d08b0..5550c1492 100644
--- a/src/org/fdroid/fdroid/ProgressListener.java
+++ b/src/org/fdroid/fdroid/ProgressListener.java
@@ -66,10 +66,12 @@ public interface ProgressListener {
         }
 
         public static final Parcelable.Creator<Event> CREATOR = new Parcelable.Creator<Event>() {
+            @Override
             public Event createFromParcel(Parcel in) {
                 return new Event(in.readInt(), in.readInt(), in.readInt(), in.readBundle());
             }
 
+            @Override
             public Event[] newArray(int size) {
                 return new Event[size];
             }
diff --git a/src/org/fdroid/fdroid/UpdateService.java b/src/org/fdroid/fdroid/UpdateService.java
index 7baf088ac..dc3aa0711 100644
--- a/src/org/fdroid/fdroid/UpdateService.java
+++ b/src/org/fdroid/fdroid/UpdateService.java
@@ -247,7 +247,6 @@ public class UpdateService extends IntentService implements ProgressListener {
 
             // Grab some preliminary information, then we can release the
             // database while we do all the downloading, etc...
-            int updates = 0;
             List<Repo> repos = RepoProvider.Helper.all(this);
 
             // Process each repo...
diff --git a/src/org/fdroid/fdroid/Utils.java b/src/org/fdroid/fdroid/Utils.java
index 97f4e4a92..6f2950aac 100644
--- a/src/org/fdroid/fdroid/Utils.java
+++ b/src/org/fdroid/fdroid/Utils.java
@@ -26,7 +26,6 @@ import android.util.DisplayMetrics;
 import android.util.Log;
 import com.nostra13.universalimageloader.utils.StorageUtils;
 
-import java.io.BufferedReader;
 import java.io.Closeable;
 import java.io.File;
 import java.io.FileReader;
@@ -39,8 +38,6 @@ import java.text.SimpleDateFormat;
 import java.security.MessageDigest;
 import java.util.*;
 
-import org.fdroid.fdroid.data.Repo;
-
 public final class Utils {
 
     public static final int BUFFER_SIZE = 4096;
diff --git a/src/org/fdroid/fdroid/compat/ClipboardCompat.java b/src/org/fdroid/fdroid/compat/ClipboardCompat.java
index 8e4c49cbc..11a8a7786 100644
--- a/src/org/fdroid/fdroid/compat/ClipboardCompat.java
+++ b/src/org/fdroid/fdroid/compat/ClipboardCompat.java
@@ -4,10 +4,6 @@ import android.annotation.TargetApi;
 import android.content.ClipData;
 import android.content.ClipboardManager;
 import android.content.Context;
-import android.widget.CompoundButton;
-import android.widget.Switch;
-import android.widget.ToggleButton;
-import org.fdroid.fdroid.ManageRepo;
 
 public abstract class ClipboardCompat extends Compatibility {
 
diff --git a/src/org/fdroid/fdroid/compat/SupportedArchitectures.java b/src/org/fdroid/fdroid/compat/SupportedArchitectures.java
index b28708d5a..cc88a534b 100644
--- a/src/org/fdroid/fdroid/compat/SupportedArchitectures.java
+++ b/src/org/fdroid/fdroid/compat/SupportedArchitectures.java
@@ -4,7 +4,6 @@ import java.util.Set;
 import java.util.HashSet;
 
 import android.annotation.TargetApi;
-import android.util.Log;
 import android.os.Build;
 
 public class SupportedArchitectures extends Compatibility {
diff --git a/src/org/fdroid/fdroid/compat/SwitchCompat.java b/src/org/fdroid/fdroid/compat/SwitchCompat.java
index b5cbb7815..3177fe601 100644
--- a/src/org/fdroid/fdroid/compat/SwitchCompat.java
+++ b/src/org/fdroid/fdroid/compat/SwitchCompat.java
@@ -2,7 +2,6 @@ package org.fdroid.fdroid.compat;
 
 import android.annotation.TargetApi;
 import android.content.Context;
-import android.os.Build;
 import android.widget.CompoundButton;
 import android.widget.Switch;
 import android.widget.ToggleButton;
diff --git a/src/org/fdroid/fdroid/compat/TabManager.java b/src/org/fdroid/fdroid/compat/TabManager.java
index e3edeb6da..d93e9fdf3 100644
--- a/src/org/fdroid/fdroid/compat/TabManager.java
+++ b/src/org/fdroid/fdroid/compat/TabManager.java
@@ -66,6 +66,7 @@ class OldTabManagerImpl extends TabManager {
      * and giving it a FrameLayout as a child. This will make the tabs have
      * dummy empty contents and then hook them up to our ViewPager.
      */
+    @Override
     public void createTabs() {
         tabHost = new TabHost(parent, null);
         tabHost.setLayoutParams(new TabHost.LayoutParams(
@@ -128,12 +129,14 @@ class OldTabManagerImpl extends TabManager {
     }
 
 
+    @Override
     public void selectTab(int index) {
         tabHost.setCurrentTab(index);
         if (index == INDEX_CAN_UPDATE)
             removeNotification(1);
     }
 
+    @Override
     public void refreshTabLabel(int index) {
         CharSequence text = getLabel(index);
 
@@ -166,6 +169,7 @@ class HoneycombTabManagerImpl extends TabManager {
         actionBar = parent.getActionBar();
     }
 
+    @Override
     public void createTabs() {
         actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
         for (int i = 0; i < pager.getAdapter().getCount(); i ++) {
@@ -174,6 +178,7 @@ class HoneycombTabManagerImpl extends TabManager {
                 actionBar.newTab()
                     .setText(label)
                     .setTabListener(new ActionBar.TabListener() {
+                        @Override
                         public void onTabSelected(ActionBar.Tab tab,
                                                   FragmentTransaction ft) {
                             int pos = tab.getPosition();
@@ -193,6 +198,7 @@ class HoneycombTabManagerImpl extends TabManager {
         }
     }
 
+    @Override
     public void selectTab(int index) {
         actionBar.setSelectedNavigationItem(index);
         Spinner actionBarSpinner = getActionBarSpinner();
@@ -203,6 +209,7 @@ class HoneycombTabManagerImpl extends TabManager {
             removeNotification(1);
     }
 
+    @Override
     public void refreshTabLabel(int index) {
         CharSequence text = getLabel(index);
         actionBar.getTabAt(index).setText(text);
diff --git a/src/org/fdroid/fdroid/data/ApkProvider.java b/src/org/fdroid/fdroid/data/ApkProvider.java
index f111f39d9..0d070653f 100644
--- a/src/org/fdroid/fdroid/data/ApkProvider.java
+++ b/src/org/fdroid/fdroid/data/ApkProvider.java
@@ -216,6 +216,7 @@ public class ApkProvider extends FDroidProvider {
         return PROVIDER_NAME;
     }
 
+    @Override
     protected UriMatcher getMatcher() {
         return matcher;
     }
@@ -284,6 +285,7 @@ public class ApkProvider extends FDroidProvider {
             this.orderBy = orderBy;
         }
 
+        @Override
         public String toString() {
 
             StringBuilder suffix = new StringBuilder();
@@ -403,7 +405,7 @@ public class ApkProvider extends FDroidProvider {
     public Uri insert(Uri uri, ContentValues values) {
         removeRepoFields(values);
         validateFields(DataColumns.ALL, values);
-        long id = write().insertOrThrow(getTableName(), null, values);
+        write().insertOrThrow(getTableName(), null, values);
         if (!isApplyingBatch()) {
             getContext().getContentResolver().notifyChange(uri, null);
         }
diff --git a/src/org/fdroid/fdroid/data/AppProvider.java b/src/org/fdroid/fdroid/data/AppProvider.java
index c931fa2bd..f404df0c0 100644
--- a/src/org/fdroid/fdroid/data/AppProvider.java
+++ b/src/org/fdroid/fdroid/data/AppProvider.java
@@ -266,6 +266,7 @@ public class AppProvider extends FDroidProvider {
         return AUTHORITY + "." + PROVIDER_NAME;
     }
 
+    @Override
     protected UriMatcher getMatcher() {
         return matcher;
     }
@@ -458,7 +459,7 @@ public class AppProvider extends FDroidProvider {
 
     @Override
     public Uri insert(Uri uri, ContentValues values) {
-        long id = write().insertOrThrow(getTableName(), null, values);
+        write().insertOrThrow(getTableName(), null, values);
         if (!isApplyingBatch()) {
             getContext().getContentResolver().notifyChange(uri, null);
         }
diff --git a/src/org/fdroid/fdroid/data/DBHelper.java b/src/org/fdroid/fdroid/data/DBHelper.java
index 8600e47ce..2a531362f 100644
--- a/src/org/fdroid/fdroid/data/DBHelper.java
+++ b/src/org/fdroid/fdroid/data/DBHelper.java
@@ -2,11 +2,9 @@ package org.fdroid.fdroid.data;
 
 import android.content.ContentValues;
 import android.content.Context;
-import android.content.SharedPreferences;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteOpenHelper;
-import android.preference.PreferenceManager;
 import android.util.Log;
 import org.fdroid.fdroid.*;
 
diff --git a/src/org/fdroid/fdroid/data/Repo.java b/src/org/fdroid/fdroid/data/Repo.java
index 1b0bdd055..76001ca1d 100644
--- a/src/org/fdroid/fdroid/data/Repo.java
+++ b/src/org/fdroid/fdroid/data/Repo.java
@@ -72,6 +72,7 @@ public class Repo extends ValueObject {
         return name;
     }
 
+    @Override
     public String toString() {
         return address;
     }
diff --git a/src/org/fdroid/fdroid/data/RepoProvider.java b/src/org/fdroid/fdroid/data/RepoProvider.java
index 9d23b440d..530ce8ecf 100644
--- a/src/org/fdroid/fdroid/data/RepoProvider.java
+++ b/src/org/fdroid/fdroid/data/RepoProvider.java
@@ -234,6 +234,7 @@ public class RepoProvider extends FDroidProvider {
         return "RepoProvider";
     }
 
+    @Override
     protected UriMatcher getMatcher() {
         return matcher;
     }
diff --git a/src/org/fdroid/fdroid/net/NsdHelper.java b/src/org/fdroid/fdroid/net/NsdHelper.java
index de5c67763..b56dbe37c 100644
--- a/src/org/fdroid/fdroid/net/NsdHelper.java
+++ b/src/org/fdroid/fdroid/net/NsdHelper.java
@@ -202,6 +202,7 @@ public class NsdHelper {
             //in order for it to update the ListView without error
             Handler refresh = new Handler(Looper.getMainLooper());
             refresh.post(new Runnable() {
+                @Override
                 public void run()
                 {
                     notifyDataSetChanged();
diff --git a/src/org/fdroid/fdroid/updater/RepoUpdater.java b/src/org/fdroid/fdroid/updater/RepoUpdater.java
index 2096a2db8..d961e26fb 100644
--- a/src/org/fdroid/fdroid/updater/RepoUpdater.java
+++ b/src/org/fdroid/fdroid/updater/RepoUpdater.java
@@ -248,7 +248,7 @@ abstract public class RepoUpdater {
                     + repo.version + " to " + handler.getVersion());
             values.put(RepoProvider.DataColumns.VERSION, handler.getVersion());
         }
-        
+
         if (handler.getMaxAge() != -1 && handler.getMaxAge() != repo.maxage) {
             Log.d("FDroid",
                     "Repo specified a new maximum age - updated");
@@ -268,6 +268,7 @@ abstract public class RepoUpdater {
 
     public static class UpdateException extends Exception {
 
+        private static final long serialVersionUID = -4492452418826132803L;
         public final Repo repo;
 
         public UpdateException(Repo repo, String message) {
diff --git a/src/org/fdroid/fdroid/updater/SignedRepoUpdater.java b/src/org/fdroid/fdroid/updater/SignedRepoUpdater.java
index ce22fd0c3..9b5ef8b1e 100644
--- a/src/org/fdroid/fdroid/updater/SignedRepoUpdater.java
+++ b/src/org/fdroid/fdroid/updater/SignedRepoUpdater.java
@@ -84,6 +84,7 @@ public class SignedRepoUpdater extends RepoUpdater {
         return indexFile;
     }
 
+    @Override
     protected String getIndexAddress() {
         return repo.address + "/index.jar?client_version=" + context.getString(R.string.version_name);
     }
diff --git a/src/org/fdroid/fdroid/views/AppListAdapter.java b/src/org/fdroid/fdroid/views/AppListAdapter.java
index 3665ec53e..5659283fd 100644
--- a/src/org/fdroid/fdroid/views/AppListAdapter.java
+++ b/src/org/fdroid/fdroid/views/AppListAdapter.java
@@ -5,7 +5,6 @@ import android.content.pm.PackageInfo;
 import android.database.Cursor;
 import android.graphics.Bitmap;
 import android.support.v4.widget.CursorAdapter;
-import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
diff --git a/src/org/fdroid/fdroid/views/RepoAdapter.java b/src/org/fdroid/fdroid/views/RepoAdapter.java
index 3fcb3c3aa..c3cd8d60e 100644
--- a/src/org/fdroid/fdroid/views/RepoAdapter.java
+++ b/src/org/fdroid/fdroid/views/RepoAdapter.java
@@ -45,6 +45,7 @@ public class RepoAdapter extends CursorAdapter {
         enabledListener = listener;
     }
 
+    @Override
     public boolean hasStableIds() {
         return true;
     }
diff --git a/src/org/fdroid/fdroid/views/fragments/AppListFragment.java b/src/org/fdroid/fdroid/views/fragments/AppListFragment.java
index 523c271e7..3ad2c08a3 100644
--- a/src/org/fdroid/fdroid/views/fragments/AppListFragment.java
+++ b/src/org/fdroid/fdroid/views/fragments/AppListFragment.java
@@ -1,23 +1,18 @@
 package org.fdroid.fdroid.views.fragments;
 
-import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.database.Cursor;
 import android.net.Uri;
 import android.os.Bundle;
-import android.preference.PreferenceManager;
 import android.support.v4.app.ListFragment;
 import android.support.v4.app.LoaderManager;
 import android.support.v4.content.CursorLoader;
 import android.support.v4.content.Loader;
 import android.util.Log;
 import android.view.View;
-import android.view.ViewGroup;
 import android.widget.AdapterView;
-import android.widget.ListView;
-
 
 import com.nostra13.universalimageloader.core.ImageLoader;
 import com.nostra13.universalimageloader.core.listener.PauseOnScrollListener;
diff --git a/src/org/fdroid/fdroid/views/fragments/AvailableAppsFragment.java b/src/org/fdroid/fdroid/views/fragments/AvailableAppsFragment.java
index ee8efedd3..98f70d35a 100644
--- a/src/org/fdroid/fdroid/views/fragments/AvailableAppsFragment.java
+++ b/src/org/fdroid/fdroid/views/fragments/AvailableAppsFragment.java
@@ -37,6 +37,7 @@ public class AvailableAppsFragment extends AppListFragment implements
         return "Available";
     }
 
+    @Override
     protected AppListAdapter getAppListAdapter() {
         if (adapter == null) {
             final AppListAdapter a = new AvailableAppListAdapter(getActivity(), null);
@@ -53,7 +54,7 @@ public class AvailableAppsFragment extends AppListFragment implements
 
     private class CategoryObserver extends ContentObserver {
 
-        private ArrayAdapter adapter;
+        private ArrayAdapter<String> adapter;
 
         public CategoryObserver(ArrayAdapter<String> adapter) {
             super(null);
diff --git a/src/org/fdroid/fdroid/views/fragments/CanUpdateAppsFragment.java b/src/org/fdroid/fdroid/views/fragments/CanUpdateAppsFragment.java
index 0241b3657..d42cbd6c2 100644
--- a/src/org/fdroid/fdroid/views/fragments/CanUpdateAppsFragment.java
+++ b/src/org/fdroid/fdroid/views/fragments/CanUpdateAppsFragment.java
@@ -1,10 +1,6 @@
 package org.fdroid.fdroid.views.fragments;
 
-import android.database.Cursor;
 import android.net.Uri;
-import android.os.Bundle;
-import android.support.v4.content.CursorLoader;
-import android.support.v4.content.Loader;
 import org.fdroid.fdroid.R;
 import org.fdroid.fdroid.data.AppProvider;
 import org.fdroid.fdroid.views.AppListAdapter;
diff --git a/src/org/fdroid/fdroid/views/fragments/InstalledAppsFragment.java b/src/org/fdroid/fdroid/views/fragments/InstalledAppsFragment.java
index dbcdf5cbb..8585786b0 100644
--- a/src/org/fdroid/fdroid/views/fragments/InstalledAppsFragment.java
+++ b/src/org/fdroid/fdroid/views/fragments/InstalledAppsFragment.java
@@ -1,10 +1,6 @@
 package org.fdroid.fdroid.views.fragments;
 
-import android.database.Cursor;
 import android.net.Uri;
-import android.os.Bundle;
-import android.support.v4.content.CursorLoader;
-import android.support.v4.content.Loader;
 import org.fdroid.fdroid.R;
 import org.fdroid.fdroid.data.AppProvider;
 import org.fdroid.fdroid.views.AppListAdapter;
diff --git a/src/org/fdroid/fdroid/views/fragments/RepoDetailsFragment.java b/src/org/fdroid/fdroid/views/fragments/RepoDetailsFragment.java
index a22d01229..0a91d8748 100644
--- a/src/org/fdroid/fdroid/views/fragments/RepoDetailsFragment.java
+++ b/src/org/fdroid/fdroid/views/fragments/RepoDetailsFragment.java
@@ -62,6 +62,7 @@ public class RepoDetailsFragment extends Fragment {
     // best way to go about this...
     private Repo repo;
 
+    @Override
     public void onAttach(Activity activity) {
         super.onAttach(activity);
     }
@@ -80,6 +81,7 @@ public class RepoDetailsFragment extends Fragment {
         return RepoProvider.Helper.findById(getActivity(), getRepoId());
     }
 
+    @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
 
         repo = loadRepoDetails();
@@ -346,11 +348,13 @@ public class RepoDetailsFragment extends Fragment {
         repoFingerprintView.setTextColor(repoFingerprintColor);
     }
 
+    @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setHasOptionsMenu(true);
     }
 
+    @Override
     public void onActivityCreated(Bundle savedInstanceState) {
         super.onActivityCreated(savedInstanceState);
     }
diff --git a/test/src/org/fdroid/fdroid/ApkProviderTest.java b/test/src/org/fdroid/fdroid/ApkProviderTest.java
index c6e1d3055..221d60aa1 100644
--- a/test/src/org/fdroid/fdroid/ApkProviderTest.java
+++ b/test/src/org/fdroid/fdroid/ApkProviderTest.java
@@ -3,6 +3,7 @@ package org.fdroid.fdroid;
 import android.content.ContentValues;
 import android.database.Cursor;
 import android.net.Uri;
+
 import org.fdroid.fdroid.data.Apk;
 import org.fdroid.fdroid.data.ApkProvider;
 import org.fdroid.fdroid.data.RepoProvider;
diff --git a/test/src/org/fdroid/fdroid/AppProviderTest.java b/test/src/org/fdroid/fdroid/AppProviderTest.java
index 9c1c696a0..2768e858b 100644
--- a/test/src/org/fdroid/fdroid/AppProviderTest.java
+++ b/test/src/org/fdroid/fdroid/AppProviderTest.java
@@ -2,9 +2,10 @@ package org.fdroid.fdroid;
 
 import android.content.ContentValues;
 import android.database.Cursor;
-import android.net.Uri;
+
 import mock.MockCategoryResources;
 import mock.MockInstallablePackageManager;
+
 import org.fdroid.fdroid.data.ApkProvider;
 import org.fdroid.fdroid.data.App;
 import org.fdroid.fdroid.data.AppProvider;
@@ -24,6 +25,7 @@ public class AppProviderTest extends FDroidProviderTest<AppProvider> {
         getSwappableContext().setResources(new MockCategoryResources());
     }
 
+    @Override
     protected String[] getMinimalProjection() {
         return new String[] {
             AppProvider.DataColumns.APP_ID,
diff --git a/test/src/org/fdroid/fdroid/TestUtils.java b/test/src/org/fdroid/fdroid/TestUtils.java
index d1e06fe9b..6d9bbaa2a 100644
--- a/test/src/org/fdroid/fdroid/TestUtils.java
+++ b/test/src/org/fdroid/fdroid/TestUtils.java
@@ -2,7 +2,6 @@ package org.fdroid.fdroid;
 
 import android.content.*;
 import android.net.Uri;
-import android.test.mock.MockContentResolver;
 import junit.framework.AssertionFailedError;
 import org.fdroid.fdroid.data.ApkProvider;
 import org.fdroid.fdroid.data.AppProvider;