Merge pull request #403 from Valodim/master

unify public and secret key lists

10 files changed, 364 insertions, 724 deletions

diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/DrawerActivity.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/DrawerActivity.java
index 08ca262c3..ebb520197 100644
--- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/DrawerActivity.java
+++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/DrawerActivity.java
@@ -50,9 +50,9 @@ public class DrawerActivity extends ActionBarActivity {
     private CharSequence mDrawerTitle;
     private CharSequence mTitle;
 
-    private static Class[] mItemsClass = new Class[] { KeyListPublicActivity.class,
+    private static Class[] mItemsClass = new Class[] { KeyListActivity.class,
             EncryptActivity.class, DecryptActivity.class, ImportKeysActivity.class,
-            KeyListSecretActivity.class, RegisteredAppsListActivity.class };
+            RegisteredAppsListActivity.class };
     private Class mSelectedItem;
 
     private static final int MENU_ID_PREFERENCE = 222;
@@ -72,7 +72,6 @@ public class DrawerActivity extends ActionBarActivity {
                 new NavItem("fa-lock", getString(R.string.nav_encrypt)),
                 new NavItem("fa-unlock", getString(R.string.nav_decrypt)),
                 new NavItem("fa-download", getString(R.string.nav_import)),
-                new NavItem("fa-key", getString(R.string.nav_secret_keys)),
                 new NavItem("fa-android", getString(R.string.nav_apps)) };
 
         mDrawerList.setAdapter(new NavigationDrawerAdapter(this, R.layout.drawer_list_item,
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyActivity.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyActivity.java
index 72dc97ccd..0c35bb2b1 100644
--- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyActivity.java
+++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyActivity.java
@@ -266,12 +266,10 @@ public class EditKeyActivity extends ActionBarActivity {
         } else {
             Log.d(Constants.TAG, "uri: " + mDataUri);
 
-            long keyRingRowId = Long.valueOf(mDataUri.getLastPathSegment());
-
             // get master key id using row id
-            long masterKeyId = ProviderHelper.getSecretMasterKeyId(this, keyRingRowId);
+            long masterKeyId = ProviderHelper.getMasterKeyId(this, mDataUri);
 
-            masterCanSign = ProviderHelper.getSecretMasterKeyCanSign(this, keyRingRowId);
+            masterCanSign = ProviderHelper.getMasterKeyCanSign(this, mDataUri);
             finallyEdit(masterKeyId, masterCanSign);
         }
     }
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListPublicActivity.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListActivity.java
index 9bd9ee225..9eebbed64 100644
--- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListPublicActivity.java
+++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListActivity.java
@@ -27,7 +27,7 @@ import android.os.Bundle;
 import android.view.Menu;
 import android.view.MenuItem;
 
-public class KeyListPublicActivity extends DrawerActivity {
+public class KeyListActivity extends DrawerActivity {
 
     ExportHelper mExportHelper;
 
@@ -37,7 +37,7 @@ public class KeyListPublicActivity extends DrawerActivity {
 
         mExportHelper = new ExportHelper(this);
 
-        setContentView(R.layout.key_list_public_activity);
+        setContentView(R.layout.key_list_activity);
 
         // now setup navigation drawer in DrawerActivity...
         setupDrawerNavigation(savedInstanceState);
@@ -46,19 +46,20 @@ public class KeyListPublicActivity extends DrawerActivity {
     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
         super.onCreateOptionsMenu(menu);
-        getMenuInflater().inflate(R.menu.key_list_public, menu);
+        getMenuInflater().inflate(R.menu.key_list, menu);
         return true;
     }
 
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
-        case R.id.menu_key_list_public_import:
+        case R.id.menu_key_list_import:
             Intent intentImport = new Intent(this, ImportKeysActivity.class);
             startActivityForResult(intentImport, 0);
 
             return true;
-        case R.id.menu_key_list_public_export:
+        case R.id.menu_key_list_export:
+            // TODO fix this for unified keylist
             mExportHelper.showExportKeysDialog(null, Id.type.public_key, Constants.path.APP_DIR_FILE_PUB);
 
             return true;
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListPublicFragment.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListFragment.java
index de965daa5..ea5c60c53 100644
--- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListPublicFragment.java
+++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListFragment.java
@@ -17,26 +17,36 @@
 
 package org.sufficientlysecure.keychain.ui;
 
+import java.util.HashMap;
 import java.util.ArrayList;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.Id;
 import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
 import org.sufficientlysecure.keychain.helper.ExportHelper;
 import org.sufficientlysecure.keychain.provider.KeychainContract;
 import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
+import org.sufficientlysecure.keychain.provider.KeychainContract.KeyTypes;
 import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds;
+import org.sufficientlysecure.keychain.provider.KeychainDatabase;
 import org.sufficientlysecure.keychain.provider.ProviderHelper;
-import org.sufficientlysecure.keychain.ui.adapter.KeyListPublicAdapter;
+import org.sufficientlysecure.keychain.ui.adapter.HighlightQueryCursorAdapter;
 import org.sufficientlysecure.keychain.ui.dialog.DeleteKeyDialogFragment;
+import org.sufficientlysecure.keychain.util.Log;
 
 import se.emilsjolander.stickylistheaders.ApiLevelTooLowException;
 import se.emilsjolander.stickylistheaders.StickyListHeadersListView;
+import se.emilsjolander.stickylistheaders.StickyListHeadersAdapter;
 
 import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
+import android.content.Context;
 import android.content.Intent;
 import android.database.Cursor;
+import android.graphics.Color;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
@@ -47,10 +57,13 @@ import android.support.v4.app.Fragment;
 import android.support.v4.app.LoaderManager;
 import android.support.v4.content.CursorLoader;
 import android.support.v4.content.Loader;
+import android.support.v4.widget.CursorAdapter;
 import android.support.v4.view.MenuItemCompat;
 import android.support.v7.app.ActionBarActivity;
 import android.support.v7.widget.SearchView;
+import android.text.Spannable;
 import android.text.TextUtils;
+import android.text.style.ForegroundColorSpan;
 import android.view.ActionMode;
 import android.view.LayoutInflater;
 import android.view.Menu;
@@ -62,7 +75,9 @@ import android.view.ViewGroup;
 import android.view.animation.AnimationUtils;
 import android.widget.AbsListView.MultiChoiceModeListener;
 import android.widget.AdapterView;
+import android.widget.Button;
 import android.widget.ListView;
+import android.widget.TextView;
 import android.widget.Toast;
 
 import com.beardedhen.androidbootstrap.BootstrapButton;
@@ -71,10 +86,10 @@ import com.beardedhen.androidbootstrap.BootstrapButton;
  * Public key list with sticky list headers. It does _not_ extend ListFragment because it uses
  * StickyListHeaders library which does not extend upon ListView.
  */
-public class KeyListPublicFragment extends Fragment implements SearchView.OnQueryTextListener, AdapterView.OnItemClickListener,
+public class KeyListFragment extends Fragment implements SearchView.OnQueryTextListener, AdapterView.OnItemClickListener,
         LoaderManager.LoaderCallbacks<Cursor> {
 
-    private KeyListPublicAdapter mAdapter;
+    private KeyListAdapter mAdapter;
     private StickyListHeadersListView mStickyList;
 
     // rebuild functionality of ListFragment, http://stackoverflow.com/a/12504097
@@ -94,9 +109,9 @@ public class KeyListPublicFragment extends Fragment implements SearchView.OnQuer
      */
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
-        View root = inflater.inflate(R.layout.key_list_public_fragment, container, false);
+        View root = inflater.inflate(R.layout.key_list_fragment, container, false);
 
-        mStickyList = (StickyListHeadersListView) root.findViewById(R.id.key_list_public_list);
+        mStickyList = (StickyListHeadersListView) root.findViewById(R.id.key_list_list);
         mStickyList.setOnItemClickListener(this);
 
 
@@ -125,8 +140,8 @@ public class KeyListPublicFragment extends Fragment implements SearchView.OnQuer
         });
 
         // rebuild functionality of ListFragment, http://stackoverflow.com/a/12504097
-        mListContainer = root.findViewById(R.id.key_list_public_list_container);
-        mProgressContainer = root.findViewById(R.id.key_list_public_progress_container);
+        mListContainer = root.findViewById(R.id.key_list_list_container);
+        mProgressContainer = root.findViewById(R.id.key_list_progress_container);
         mListShown = true;
 
         return root;
@@ -140,6 +155,7 @@ public class KeyListPublicFragment extends Fragment implements SearchView.OnQuer
     public void onActivityCreated(Bundle savedInstanceState) {
         super.onActivityCreated(savedInstanceState);
 
+        mStickyList.setOnItemClickListener(this);
         mStickyList.setAreHeadersSticky(true);
         mStickyList.setDrawingListUnderStickyHeader(false);
         mStickyList.setFastScrollEnabled(true);
@@ -149,7 +165,7 @@ public class KeyListPublicFragment extends Fragment implements SearchView.OnQuer
         }
 
         // this view is made visible if no data is available
-        mStickyList.setEmptyView(getActivity().findViewById(R.id.key_list_public_empty));
+        mStickyList.setEmptyView(getActivity().findViewById(R.id.key_list_empty));
 
         /*
          * ActionBarSherlock does not support MultiChoiceModeListener. Thus multi-selection is only
@@ -162,7 +178,7 @@ public class KeyListPublicFragment extends Fragment implements SearchView.OnQuer
                 @Override
                 public boolean onCreateActionMode(ActionMode mode, Menu menu) {
                     android.view.MenuInflater inflater = getActivity().getMenuInflater();
-                    inflater.inflate(R.menu.key_list_public_multi, menu);
+                    inflater.inflate(R.menu.key_list_multi, menu);
                     return true;
                 }
 
@@ -173,25 +189,30 @@ public class KeyListPublicFragment extends Fragment implements SearchView.OnQuer
 
                 @Override
                 public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
-                    // get row ids for checked positions as long array
-                    long[] ids = mStickyList.getCheckedItemIds();
+
+                    // get IDs for checked positions as long array
+                    long[] ids;
 
                     switch (item.getItemId()) {
-                        case R.id.menu_key_list_public_multi_encrypt: {
+                        case R.id.menu_key_list_multi_encrypt: {
+                            ids = mAdapter.getCurrentSelectedMasterKeyIds();
                             encrypt(mode, ids);
                             break;
                         }
-                        case R.id.menu_key_list_public_multi_export: {
-                            ExportHelper mExportHelper = new ExportHelper((ActionBarActivity) getActivity());
-                            mExportHelper.showExportKeysDialog(ids, Id.type.public_key, Constants.path.APP_DIR_FILE_PUB);
+                        case R.id.menu_key_list_multi_delete: {
+                            ids = mStickyList.getWrappedList().getCheckedItemIds();
+                            showDeleteKeyDialog(mode, ids);
                             break;
                         }
-                        case R.id.menu_key_list_public_multi_delete: {
-                            showDeleteKeyDialog(mode, ids);
+                        case R.id.menu_key_list_multi_export: {
+                            // todo: public/secret needs to be handled differently here
+                            ids = mStickyList.getWrappedList().getCheckedItemIds();
+                            ExportHelper mExportHelper = new ExportHelper((ActionBarActivity) getActivity());
+                            mExportHelper.showExportKeysDialog(ids, Id.type.public_key, Constants.path.APP_DIR_FILE_PUB);
                             break;
                         }
-                        case R.id.menu_key_list_public_multi_select_all: {
-                            //Select all
+                        case R.id.menu_key_list_multi_select_all: {
+                            // select all
                             for (int i = 0; i < mStickyList.getCount(); i++) {
                                 mStickyList.setItemChecked(i, true);
                             }
@@ -231,7 +252,7 @@ public class KeyListPublicFragment extends Fragment implements SearchView.OnQuer
         setListShown(false);
 
         // Create an empty adapter we will use to display the loaded data.
-        mAdapter = new KeyListPublicAdapter(getActivity(), null, Id.type.public_key, USER_ID_INDEX);
+        mAdapter = new KeyListAdapter(getActivity(), null, Id.type.public_key);
         mStickyList.setAdapter(mAdapter);
 
         // Prepare the loader. Either re-connect with an existing one,
@@ -242,20 +263,25 @@ public class KeyListPublicFragment extends Fragment implements SearchView.OnQuer
     // These are the rows that we will retrieve.
     static final String[] PROJECTION = new String[]{
             KeychainContract.KeyRings._ID,
+            KeychainContract.KeyRings.TYPE,
             KeychainContract.KeyRings.MASTER_KEY_ID,
             KeychainContract.UserIds.USER_ID,
             KeychainContract.Keys.IS_REVOKED
     };
 
-    static final int USER_ID_INDEX = 2;
-
-    static final String SORT_ORDER = UserIds.USER_ID + " ASC";
+    static final int INDEX_TYPE = 1;
+    static final int INDEX_UID = 3;
+    static final String SORT_ORDER =
+                // show secret before public key
+                KeychainDatabase.Tables.KEY_RINGS + "." + KeyRings.TYPE + " DESC, "
+                    // sort by user id otherwise
+                    + UserIds.USER_ID + " ASC";
 
     @Override
     public Loader<Cursor> onCreateLoader(int id, Bundle args) {
         // This is called when a new Loader needs to be created. This
         // sample only has one Loader, so we don't care about the ID.
-        Uri baseUri = KeyRings.buildPublicKeyRingsUri();
+        Uri baseUri = KeyRings.buildUnifiedKeyRingsUri();
         String where = null;
         String whereArgs[] = null;
         if (mCurQuery != null) {
@@ -273,6 +299,7 @@ public class KeyListPublicFragment extends Fragment implements SearchView.OnQuer
         // old cursor once we return.)
         mAdapter.setSearchQuery(mCurQuery);
         mAdapter.swapCursor(data);
+
         mStickyList.setAdapter(mAdapter);
 
         // NOTE: Not supported by StickyListHeader, but reimplemented here
@@ -303,21 +330,15 @@ public class KeyListPublicFragment extends Fragment implements SearchView.OnQuer
         } else {
             viewIntent = new Intent(getActivity(), ViewKeyActivityJB.class);
         }
-        viewIntent.setData(KeychainContract.KeyRings.buildPublicKeyRingsUri(Long.toString(id)));
+        viewIntent.setData(KeychainContract.KeyRings.buildPublicKeyRingsByMasterKeyIdUri(Long.toString(mAdapter.getMasterKeyId(position))));
         startActivity(viewIntent);
     }
 
     @TargetApi(11)
-    public void encrypt(ActionMode mode, long[] keyRingRowIds) {
-        // get master key ids from row ids
-        long[] keyRingIds = new long[keyRingRowIds.length];
-        for (int i = 0; i < keyRingRowIds.length; i++) {
-            keyRingIds[i] = ProviderHelper.getPublicMasterKeyId(getActivity(), keyRingRowIds[i]);
-        }
-
+    protected void encrypt(ActionMode mode, long[] keyRingMasterKeyIds) {
         Intent intent = new Intent(getActivity(), EncryptActivity.class);
         intent.setAction(EncryptActivity.ACTION_ENCRYPT);
-        intent.putExtra(EncryptActivity.EXTRA_ENCRYPTION_KEY_IDS, keyRingIds);
+        intent.putExtra(EncryptActivity.EXTRA_ENCRYPTION_KEY_IDS, keyRingMasterKeyIds);
         // used instead of startActivity set actionbar based on callingPackage
         startActivityForResult(intent, 0);
 
@@ -330,6 +351,7 @@ public class KeyListPublicFragment extends Fragment implements SearchView.OnQuer
      * @param keyRingRowIds
      */
     @TargetApi(11)
+    // TODO: this method needs an overhaul to handle both public and secret keys gracefully!
     public void showDeleteKeyDialog(final ActionMode mode, long[] keyRingRowIds) {
         // Message is received after key is deleted
         Handler returnHandler = new Handler() {
@@ -368,7 +390,7 @@ public class KeyListPublicFragment extends Fragment implements SearchView.OnQuer
     @Override
     public void onCreateOptionsMenu(final Menu menu, final MenuInflater inflater) {
         // Get the searchview
-        MenuItem searchItem = menu.findItem(R.id.menu_key_list_public_search);
+        MenuItem searchItem = menu.findItem(R.id.menu_key_list_search);
         mSearchView = (SearchView) MenuItemCompat.getActionView(searchItem);
 
         // Execute this when searching
@@ -385,7 +407,7 @@ public class KeyListPublicFragment extends Fragment implements SearchView.OnQuer
             public boolean onMenuItemActionCollapse(MenuItem item) {
                 mCurQuery = null;
                 mSearchView.setQuery("", true);
-                getLoaderManager().restartLoader(0, null, KeyListPublicFragment.this);
+                getLoaderManager().restartLoader(0, null, KeyListFragment.this);
                 return true;
             }
         });
@@ -444,4 +466,263 @@ public class KeyListPublicFragment extends Fragment implements SearchView.OnQuer
     public void setListShownNoAnimation(boolean shown) {
         setListShown(shown, false);
     }
+
+    /**
+     * Implements StickyListHeadersAdapter from library
+     */
+    private class KeyListAdapter extends HighlightQueryCursorAdapter implements StickyListHeadersAdapter {
+        private LayoutInflater mInflater;
+        private int mIndexUserId;
+        private int mIndexIsRevoked;
+        private int mMasterKeyId;
+
+        private String mCurQuery;
+
+        @SuppressLint("UseSparseArrays")
+        private HashMap<Integer, Boolean> mSelection = new HashMap<Integer, Boolean>();
+
+        public KeyListAdapter(Context context, Cursor c, int flags) {
+            super(context, c, flags);
+
+            mInflater = LayoutInflater.from(context);
+            initIndex(c);
+        }
+
+        @Override
+        public Cursor swapCursor(Cursor newCursor) {
+            initIndex(newCursor);
+
+            return super.swapCursor(newCursor);
+        }
+
+        /**
+         * Get column indexes for performance reasons just once in constructor and swapCursor. For a
+         * performance comparison see http://stackoverflow.com/a/17999582
+         *
+         * @param cursor
+         */
+        private void initIndex(Cursor cursor) {
+            if (cursor != null) {
+                mIndexUserId = cursor.getColumnIndexOrThrow(KeychainContract.UserIds.USER_ID);
+                mIndexIsRevoked = cursor.getColumnIndexOrThrow(KeychainContract.Keys.IS_REVOKED);
+                mMasterKeyId = cursor.getColumnIndexOrThrow(KeychainContract.KeyRings.MASTER_KEY_ID);
+            }
+        }
+
+        /**
+         * Bind cursor data to the item list view
+         * <p/>
+         * NOTE: CursorAdapter already implements the ViewHolder pattern in its getView() method. Thus
+         * no ViewHolder is required here.
+         */
+        @Override
+        public void bindView(View view, Context context, Cursor cursor) {
+
+            { // set name and stuff, common to both key types
+                TextView mainUserId = (TextView) view.findViewById(R.id.mainUserId);
+                TextView mainUserIdRest = (TextView) view.findViewById(R.id.mainUserIdRest);
+
+                String userId = cursor.getString(mIndexUserId);
+                String[] userIdSplit = PgpKeyHelper.splitUserId(userId);
+                if (userIdSplit[0] != null) {
+            mainUserId.setText(highlightSearchQuery(userIdSplit[0]));
+                } else {
+                    mainUserId.setText(R.string.user_id_no_name);
+                }
+                if (userIdSplit[1] != null) {
+            mainUserIdRest.setText(highlightSearchQuery(userIdSplit[1]));
+                    mainUserIdRest.setVisibility(View.VISIBLE);
+                } else {
+                    mainUserIdRest.setVisibility(View.GONE);
+                }
+            }
+
+            { // set edit button and revoked info, specific by key type
+                Button button = (Button) view.findViewById(R.id.edit);
+                TextView revoked = (TextView) view.findViewById(R.id.revoked);
+
+                if(cursor.getInt(KeyListFragment.INDEX_TYPE) == KeyTypes.SECRET) {
+                    // this is a secret key - show the edit button
+                    revoked.setVisibility(View.GONE);
+                    button.setVisibility(View.VISIBLE);
+
+                    final long id = cursor.getLong(mMasterKeyId);
+                    button.setOnClickListener(new OnClickListener() {
+                        public void onClick(View view) {
+                            Intent editIntent = new Intent(getActivity(), EditKeyActivity.class);
+                            editIntent.setData(KeychainContract.KeyRings.buildSecretKeyRingsByMasterKeyIdUri(Long.toString(id)));
+                            editIntent.setAction(EditKeyActivity.ACTION_EDIT_KEY);
+                            startActivityForResult(editIntent, 0);
+                        }
+                    });
+                } else {
+                    // this is a public key - hide the edit button, show if it's revoked
+                    button.setVisibility(View.GONE);
+
+                    boolean isRevoked = cursor.getInt(mIndexIsRevoked) > 0;
+                    revoked.setVisibility(isRevoked ? View.VISIBLE : View.GONE);
+                }
+            }
+
+        }
+
+        public long getMasterKeyId(int id) {
+
+            if (!mCursor.moveToPosition(id)) {
+                throw new IllegalStateException("couldn't move cursor to position " + id);
+            }
+
+            return mCursor.getLong(mMasterKeyId);
+
+        }
+
+        public int getKeyType(int position) {
+
+            if (!mCursor.moveToPosition(position)) {
+                throw new IllegalStateException("couldn't move cursor to position " + position);
+            }
+
+            return mCursor.getInt(KeyListFragment.INDEX_TYPE);
+
+        }
+
+        @Override
+        public View newView(Context context, Cursor cursor, ViewGroup parent) {
+            return mInflater.inflate(R.layout.key_list_item, parent, false);
+        }
+
+        /**
+         * Creates a new header view and binds the section headers to it. It uses the ViewHolder
+         * pattern. Most functionality is similar to getView() from Android's CursorAdapter.
+         * <p/>
+         * NOTE: The variables mDataValid and mCursor are available due to the super class
+         * CursorAdapter.
+         */
+        @Override
+        public View getHeaderView(int position, View convertView, ViewGroup parent) {
+            HeaderViewHolder holder;
+            if (convertView == null) {
+                holder = new HeaderViewHolder();
+                convertView = mInflater.inflate(R.layout.key_list_header, parent, false);
+                holder.text = (TextView) convertView.findViewById(R.id.stickylist_header_text);
+                holder.count = (TextView) convertView.findViewById(R.id.contacts_num);
+                convertView.setTag(holder);
+            } else {
+                holder = (HeaderViewHolder) convertView.getTag();
+            }
+
+            if (!mDataValid) {
+                // no data available at this point
+                Log.d(Constants.TAG, "getHeaderView: No data available at this point!");
+                return convertView;
+            }
+
+            if (!mCursor.moveToPosition(position)) {
+                throw new IllegalStateException("couldn't move cursor to position " + position);
+            }
+
+            if(mCursor.getInt(KeyListFragment.INDEX_TYPE) == KeyTypes.SECRET) {
+                { // set contact count
+                    int num = mCursor.getCount();
+                    String contactsTotal = getResources().getQuantityString(R.plurals.n_contacts, num, num);
+                    holder.count.setText(contactsTotal);
+                    holder.count.setVisibility(View.VISIBLE);
+                }
+
+                holder.text.setText(convertView.getResources().getString(R.string.my_keys));
+                return convertView;
+            }
+
+            // set header text as first char in user id
+            String userId = mCursor.getString(KeyListFragment.INDEX_UID);
+            String headerText = convertView.getResources().getString(R.string.user_id_no_name);
+            if (userId != null && userId.length() > 0) {
+                headerText = "" + mCursor.getString(KeyListFragment.INDEX_UID).subSequence(0, 1).charAt(0);
+            }
+            holder.text.setText(headerText);
+            holder.count.setVisibility(View.GONE);
+            return convertView;
+        }
+
+        /**
+         * Header IDs should be static, position=1 should always return the same Id that is.
+         */
+        @Override
+        public long getHeaderId(int position) {
+            if (!mDataValid) {
+                // no data available at this point
+                Log.d(Constants.TAG, "getHeaderView: No data available at this point!");
+                return -1;
+            }
+
+            if (!mCursor.moveToPosition(position)) {
+                throw new IllegalStateException("couldn't move cursor to position " + position);
+            }
+
+            // early breakout: all secret keys are assigned id 0
+            if(mCursor.getInt(KeyListFragment.INDEX_TYPE) == KeyTypes.SECRET)
+                return 1L;
+
+            // otherwise, return the first character of the name as ID
+            String userId = mCursor.getString(KeyListFragment.INDEX_UID);
+            if (userId != null && userId.length() > 0) {
+                return userId.charAt(0);
+            } else {
+                return Long.MAX_VALUE;
+            }
+        }
+
+        class HeaderViewHolder {
+            TextView text;
+            TextView count;
+        }
+
+        /**
+         * -------------------------- MULTI-SELECTION METHODS --------------
+         */
+        public void setNewSelection(int position, boolean value) {
+            mSelection.put(position, value);
+            notifyDataSetChanged();
+        }
+
+        public long[] getCurrentSelectedMasterKeyIds() {
+            long[] ids = new long[mSelection.size()];
+            int i = 0;
+            // get master key ids
+            for (int pos : mSelection.keySet())
+                ids[i++] = mAdapter.getMasterKeyId(pos);
+            return ids;
+        }
+
+        public void removeSelection(int position) {
+            mSelection.remove(position);
+            notifyDataSetChanged();
+        }
+
+        public void clearSelection() {
+            mSelection.clear();
+            notifyDataSetChanged();
+        }
+
+        @Override
+        public View getView(int position, View convertView, ViewGroup parent) {
+            // let the adapter handle setting up the row views
+            View v = super.getView(position, convertView, parent);
+
+            /**
+             * Change color for multi-selection
+             */
+            // default color
+            if (mSelection.get(position) != null) {
+                // this is a selected position, change color!
+                v.setBackgroundColor(parent.getResources().getColor(R.color.emphasis));
+            } else {
+                v.setBackgroundColor(Color.TRANSPARENT);
+            }
+
+            return v;
+        }
+
+    }
+
 }
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListSecretActivity.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListSecretActivity.java
deleted file mode 100644
index cd3c8b4fd..000000000
--- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListSecretActivity.java
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
- * Copyright (C) 2013 Dominik Schürmann <dominik@dominikschuermann.de>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package org.sufficientlysecure.keychain.ui;
-
-import org.sufficientlysecure.keychain.Constants;
-import org.sufficientlysecure.keychain.Id;
-import org.sufficientlysecure.keychain.R;
-import org.sufficientlysecure.keychain.helper.ExportHelper;
-
-import android.content.Intent;
-import android.os.Bundle;
-import android.view.Menu;
-import android.view.MenuItem;
-
-public class KeyListSecretActivity extends DrawerActivity {
-
-    ExportHelper mExportHelper;
-
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        mExportHelper = new ExportHelper(this);
-
-        setContentView(R.layout.key_list_secret_activity);
-
-        // now setup navigation drawer in DrawerActivity...
-        setupDrawerNavigation(savedInstanceState);
-    }
-
-    @Override
-    public boolean onCreateOptionsMenu(Menu menu) {
-        super.onCreateOptionsMenu(menu);
-        getMenuInflater().inflate(R.menu.key_list_secret, menu);
-        return true;
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(MenuItem item) {
-        switch (item.getItemId()) {
-        case R.id.menu_key_list_secret_create:
-            createKey();
-
-            return true;
-        case R.id.menu_key_list_secret_create_expert:
-            createKeyExpert();
-
-            return true;
-        case R.id.menu_key_list_secret_export:
-            mExportHelper.showExportKeysDialog(null, Id.type.secret_key, Constants.path.APP_DIR_FILE_SEC);
-
-            return true;
-        case R.id.menu_key_list_secret_import:
-            Intent intentImportFromFile = new Intent(this, ImportKeysActivity.class);
-            intentImportFromFile.setAction(ImportKeysActivity.ACTION_IMPORT_KEY_FROM_FILE);
-            startActivityForResult(intentImportFromFile, 0);
-
-            return true;
-        default:
-            return super.onOptionsItemSelected(item);
-        }
-    }
-
-    private void createKey() {
-        Intent intent = new Intent(this, EditKeyActivity.class);
-        intent.setAction(EditKeyActivity.ACTION_CREATE_KEY);
-        intent.putExtra(EditKeyActivity.EXTRA_GENERATE_DEFAULT_KEYS, true);
-        intent.putExtra(EditKeyActivity.EXTRA_USER_IDS, ""); // show user id view
-        startActivityForResult(intent, 0);
-    }
-
-    private void createKeyExpert() {
-        Intent intent = new Intent(this, EditKeyActivity.class);
-        intent.setAction(EditKeyActivity.ACTION_CREATE_KEY);
-        startActivityForResult(intent, 0);
-    }
-
-}
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListSecretFragment.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListSecretFragment.java
deleted file mode 100644
index e84b2f4c8..000000000
--- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListSecretFragment.java
+++ /dev/null
@@ -1,232 +0,0 @@
-/*
- * Copyright (C) 2013 Dominik Schürmann <dominik@dominikschuermann.de>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package org.sufficientlysecure.keychain.ui;
-
-import org.sufficientlysecure.keychain.Constants;
-import org.sufficientlysecure.keychain.Id;
-import org.sufficientlysecure.keychain.R;
-import org.sufficientlysecure.keychain.helper.ExportHelper;
-import org.sufficientlysecure.keychain.provider.KeychainContract;
-import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
-import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds;
-import org.sufficientlysecure.keychain.ui.adapter.KeyListSecretAdapter;
-import org.sufficientlysecure.keychain.ui.dialog.DeleteKeyDialogFragment;
-
-import android.annotation.SuppressLint;
-import android.annotation.TargetApi;
-import android.content.Intent;
-import android.database.Cursor;
-import android.net.Uri;
-import android.os.Build;
-import android.os.Bundle;
-import android.os.Handler;
-import android.os.Message;
-import android.os.Messenger;
-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.support.v7.app.ActionBarActivity;
-import android.view.ActionMode;
-import android.view.Menu;
-import android.view.MenuItem;
-import android.view.View;
-import android.widget.AdapterView;
-import android.widget.ListView;
-import android.widget.AbsListView.MultiChoiceModeListener;
-import android.widget.AdapterView.OnItemClickListener;
-
-public class KeyListSecretFragment extends ListFragment implements
-        LoaderManager.LoaderCallbacks<Cursor>, OnItemClickListener {
-
-    private KeyListSecretAdapter mAdapter;
-
-    /**
-     * Define Adapter and Loader on create of Activity
-     */
-    @SuppressLint("NewApi")
-    @Override
-    public void onActivityCreated(Bundle savedInstanceState) {
-        super.onActivityCreated(savedInstanceState);
-
-        getListView().setOnItemClickListener(this);
-
-        // Give some text to display if there is no data. In a real
-        // application this would come from a resource.
-        setEmptyText(getString(R.string.list_empty));
-
-        /*
-         * ActionBarSherlock does not support MultiChoiceModeListener. Thus multi-selection is only
-         * available for Android >= 3.0
-         */
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
-            getListView().setChoiceMode(ListView.CHOICE_MODE_MULTIPLE_MODAL);
-            getListView().setMultiChoiceModeListener(new MultiChoiceModeListener() {
-
-                @Override
-                public boolean onCreateActionMode(ActionMode mode, Menu menu) {
-                    android.view.MenuInflater inflater = getActivity().getMenuInflater();
-                    inflater.inflate(R.menu.key_list_secret_multi, menu);
-                    return true;
-                }
-
-                @Override
-                public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
-                    return false;
-                }
-
-                @Override
-                public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
-                    // get row ids for checked positions as long array
-                    long[] ids = getListView().getCheckedItemIds();
-
-                    switch (item.getItemId()) {
-                        case R.id.menu_key_list_public_multi_delete: {
-                            showDeleteKeyDialog(mode, ids);
-                            break;
-                        }
-                        case R.id.menu_key_list_public_multi_select_all: {
-                            //Select all
-                            for (int i = 0; i < getListView().getCount(); i++) {
-                                getListView().setItemChecked(i, true);
-                            }
-                            break;
-                        }
-                        case R.id.menu_key_list_public_multi_export: {
-                            ExportHelper mExportHelper = new ExportHelper((ActionBarActivity) getActivity());
-                            mExportHelper.showExportKeysDialog(ids, Id.type.secret_key, Constants.path.APP_DIR_FILE_SEC);
-                            break;
-                        }
-
-                    }
-                    return true;
-                }
-
-                @Override
-                public void onDestroyActionMode(ActionMode mode) {
-                    mAdapter.clearSelection();
-                }
-
-                @Override
-                public void onItemCheckedStateChanged(ActionMode mode, int position, long id,
-                                                      boolean checked) {
-                    if (checked) {
-                        mAdapter.setNewSelection(position, checked);
-                    } else {
-                        mAdapter.removeSelection(position);
-                    }
-
-                    int count = getListView().getCheckedItemCount();
-                    String keysSelected = getResources().getQuantityString(
-                            R.plurals.key_list_selected_keys, count, count);
-                    mode.setTitle(keysSelected);
-                }
-
-            });
-        }
-
-        // We have a menu item to show in action bar.
-        setHasOptionsMenu(true);
-
-        // Start out with a progress indicator.
-        setListShown(false);
-
-        // Create an empty adapter we will use to display the loaded data.
-        mAdapter = new KeyListSecretAdapter(getActivity(), null, 0);
-        setListAdapter(mAdapter);
-
-        // Prepare the loader. Either re-connect with an existing one,
-        // or start a new one.
-        getLoaderManager().initLoader(0, null, this);
-    }
-
-    // These are the rows that we will retrieve.
-    static final String[] PROJECTION = new String[]{KeyRings._ID, KeyRings.MASTER_KEY_ID,
-            UserIds.USER_ID};
-    static final String SORT_ORDER = UserIds.USER_ID + " COLLATE LOCALIZED ASC";
-
-    public Loader<Cursor> onCreateLoader(int id, Bundle args) {
-        // This is called when a new Loader needs to be created. This
-        // sample only has one Loader, so we don't care about the ID.
-        // First, pick the base URI to use depending on whether we are
-        // currently filtering.
-        Uri baseUri = KeyRings.buildSecretKeyRingsUri();
-
-        // Now create and return a CursorLoader that will take care of
-        // creating a Cursor for the data being displayed.
-        return new CursorLoader(getActivity(), baseUri, PROJECTION, null, null, SORT_ORDER);
-    }
-
-    public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
-        // Swap the new cursor in. (The framework will take care of closing the
-        // old cursor once we return.)
-        mAdapter.swapCursor(data);
-
-        // The list should now be shown.
-        if (isResumed()) {
-            setListShown(true);
-        } else {
-            setListShownNoAnimation(true);
-        }
-    }
-
-    public void onLoaderReset(Loader<Cursor> loader) {
-        // This is called when the last Cursor provided to onLoadFinished()
-        // above is about to be closed. We need to make sure we are no
-        // longer using it.
-        mAdapter.swapCursor(null);
-    }
-
-    /**
-     * On click on item, start key view activity
-     */
-    @Override
-    public void onItemClick(AdapterView<?> adapterView, View view, int position, long id) {
-        Intent editIntent = new Intent(getActivity(), EditKeyActivity.class);
-        editIntent.setData(KeychainContract.KeyRings.buildSecretKeyRingsUri(Long.toString(id)));
-        editIntent.setAction(EditKeyActivity.ACTION_EDIT_KEY);
-        startActivityForResult(editIntent, 0);
-    }
-
-    /**
-     * Show dialog to delete key
-     *
-     * @param keyRingRowIds
-     */
-    @TargetApi(11)
-    public void showDeleteKeyDialog(final ActionMode mode, long[] keyRingRowIds) {
-        // Message is received after key is deleted
-        Handler returnHandler = new Handler() {
-            @Override
-            public void handleMessage(Message message) {
-                if (message.what == DeleteKeyDialogFragment.MESSAGE_OKAY) {
-                    mode.finish();
-                }
-            }
-        };
-
-        // Create a new Messenger for the communication back
-        Messenger messenger = new Messenger(returnHandler);
-
-        DeleteKeyDialogFragment deleteKeyDialog = DeleteKeyDialogFragment.newInstance(messenger,
-                keyRingRowIds, Id.type.secret_key);
-
-        deleteKeyDialog.show(getActivity().getSupportFragmentManager(), "deleteKeyDialog");
-    }
-
-}
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java
index 4cc5e1b62..581d14a22 100644
--- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java
+++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java
@@ -36,6 +36,7 @@ import org.sufficientlysecure.keychain.R;
 import org.sufficientlysecure.keychain.compatibility.ClipboardReflection;
 import org.sufficientlysecure.keychain.helper.ExportHelper;
 import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
+import org.sufficientlysecure.keychain.provider.KeychainContract;
 import org.sufficientlysecure.keychain.provider.ProviderHelper;
 import org.sufficientlysecure.keychain.ui.adapter.TabsAdapter;
 import org.sufficientlysecure.keychain.ui.dialog.DeleteKeyDialogFragment;
@@ -83,7 +84,13 @@ public class ViewKeyActivity extends ActionBarActivity {
             selectedTab = intent.getExtras().getInt(EXTRA_SELECTED_TAB);
         }
 
-        mDataUri = getIntent().getData();
+        {
+            // normalize mDataUri to a "by row id" query, to ensure it works with any
+            // given valid /public/ query
+            long rowId = ProviderHelper.getRowId(this, getIntent().getData());
+            // TODO: handle (rowId == 0) with something else than a crash
+            mDataUri = KeychainContract.KeyRings.buildPublicKeyRingsUri(Long.toString(rowId)) ;
+        }
 
         Bundle mainBundle = new Bundle();
         mainBundle.putParcelable(ViewKeyMainFragment.ARG_DATA_URI, mDataUri);
@@ -107,7 +114,7 @@ public class ViewKeyActivity extends ActionBarActivity {
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
             case android.R.id.home:
-                Intent homeIntent = new Intent(this, KeyListPublicActivity.class);
+                Intent homeIntent = new Intent(this, KeyListActivity.class);
                 homeIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
                 startActivity(homeIntent);
                 return true;
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyMainFragment.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyMainFragment.java
index d223a259f..95c0f7f3a 100644
--- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyMainFragment.java
+++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyMainFragment.java
@@ -67,6 +67,8 @@ public class ViewKeyMainFragment extends Fragment  implements
     private TextView mExpiry;
     private TextView mCreation;
     private TextView mFingerprint;
+    private TextView mSecretKey;
+    private BootstrapButton mActionEdit;
     private BootstrapButton mActionEncrypt;
 
     private ListView mUserIds;
@@ -93,8 +95,10 @@ public class ViewKeyMainFragment extends Fragment  implements
         mCreation = (TextView) view.findViewById(R.id.creation);
         mExpiry = (TextView) view.findViewById(R.id.expiry);
         mFingerprint = (TextView) view.findViewById(R.id.fingerprint);
+        mSecretKey = (TextView) view.findViewById(R.id.secret_key);
         mUserIds = (ListView) view.findViewById(R.id.user_ids);
         mKeys = (ListView) view.findViewById(R.id.keys);
+        mActionEdit = (BootstrapButton) view.findViewById(R.id.action_edit);
         mActionEncrypt = (BootstrapButton) view.findViewById(R.id.action_encrypt);
 
         return view;
@@ -124,6 +128,31 @@ public class ViewKeyMainFragment extends Fragment  implements
 
         Log.i(Constants.TAG, "mDataUri: " + mDataUri.toString());
 
+        { // label whether secret key is available, and edit button if it is
+            final long masterKeyId = ProviderHelper.getMasterKeyId(getActivity(), mDataUri);
+            if(ProviderHelper.hasSecretKeyByMasterKeyId(getActivity(), masterKeyId)) {
+                // set this attribute. this is a LITTLE unclean, but we have the info available
+                // right here, so why not.
+                mSecretKey.setTextColor(getResources().getColor(R.color.emphasis));
+                mSecretKey.setText(R.string.secret_key_yes);
+
+                // edit button
+                mActionEdit.setVisibility(View.VISIBLE);
+                mActionEdit.setOnClickListener(new View.OnClickListener() {
+                    public void onClick(View view) {
+                        Intent editIntent = new Intent(getActivity(), EditKeyActivity.class);
+                        editIntent.setData(KeychainContract.KeyRings.buildSecretKeyRingsByMasterKeyIdUri(Long.toString(masterKeyId)));
+                        editIntent.setAction(EditKeyActivity.ACTION_EDIT_KEY);
+                        startActivityForResult(editIntent, 0);
+                    }
+                });
+            } else {
+                mSecretKey.setTextColor(Color.BLACK);
+                mSecretKey.setText(getResources().getString(R.string.secret_key_no));
+                mActionEdit.setVisibility(View.GONE);
+            }
+        }
+
         mActionEncrypt.setOnClickListener(new View.OnClickListener() {
 
             @Override
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/KeyListPublicAdapter.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/KeyListPublicAdapter.java
deleted file mode 100644
index d7bb62d01..000000000
--- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/KeyListPublicAdapter.java
+++ /dev/null
@@ -1,221 +0,0 @@
-/*
- * Copyright (C) 2013 Dominik Schürmann <dominik@dominikschuermann.de>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package org.sufficientlysecure.keychain.ui.adapter;
-
-import java.util.HashMap;
-
-import org.sufficientlysecure.keychain.Constants;
-import org.sufficientlysecure.keychain.R;
-import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
-import org.sufficientlysecure.keychain.provider.KeychainContract;
-import org.sufficientlysecure.keychain.util.Log;
-
-import se.emilsjolander.stickylistheaders.StickyListHeadersAdapter;
-
-import android.annotation.SuppressLint;
-import android.content.Context;
-import android.database.Cursor;
-import android.graphics.Color;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.TextView;
-
-/**
- * Implements StickyListHeadersAdapter from library
- */
-public class KeyListPublicAdapter extends HighlightQueryCursorAdapter implements StickyListHeadersAdapter {
-    private LayoutInflater mInflater;
-    private int mSectionColumnIndex;
-    private int mIndexUserId;
-    private int mIndexIsRevoked;
-
-    @SuppressLint("UseSparseArrays")
-    private HashMap<Integer, Boolean> mSelection = new HashMap<Integer, Boolean>();
-
-    public KeyListPublicAdapter(Context context, Cursor c, int flags, int sectionColumnIndex) {
-        super(context, c, flags);
-        mInflater = LayoutInflater.from(context);
-        mSectionColumnIndex = sectionColumnIndex;
-        initIndex(c);
-    }
-
-    @Override
-    public Cursor swapCursor(Cursor newCursor) {
-        initIndex(newCursor);
-
-        return super.swapCursor(newCursor);
-    }
-
-    /**
-     * Get column indexes for performance reasons just once in constructor and swapCursor. For a
-     * performance comparison see http://stackoverflow.com/a/17999582
-     *
-     * @param cursor
-     */
-    private void initIndex(Cursor cursor) {
-        if (cursor != null) {
-            mIndexUserId = cursor.getColumnIndexOrThrow(KeychainContract.UserIds.USER_ID);
-            mIndexIsRevoked = cursor.getColumnIndexOrThrow(KeychainContract.Keys.IS_REVOKED);
-        }
-    }
-
-    /**
-     * Bind cursor data to the item list view
-     * <p/>
-     * NOTE: CursorAdapter already implements the ViewHolder pattern in its getView() method. Thus
-     * no ViewHolder is required here.
-     */
-    @Override
-    public void bindView(View view, Context context, Cursor cursor) {
-        TextView mainUserId = (TextView) view.findViewById(R.id.mainUserId);
-        TextView mainUserIdRest = (TextView) view.findViewById(R.id.mainUserIdRest);
-        TextView revoked = (TextView) view.findViewById(R.id.revoked);
-
-        String userId = cursor.getString(mIndexUserId);
-        String[] userIdSplit = PgpKeyHelper.splitUserId(userId);
-        if (userIdSplit[0] != null) {
-            mainUserId.setText(highlightSearchQuery(userIdSplit[0]));
-        } else {
-            mainUserId.setText(R.string.user_id_no_name);
-        }
-        if (userIdSplit[1] != null) {
-            mainUserIdRest.setText(highlightSearchQuery(userIdSplit[1]));
-            mainUserIdRest.setVisibility(View.VISIBLE);
-        } else {
-            mainUserIdRest.setVisibility(View.GONE);
-        }
-
-        boolean isRevoked = cursor.getInt(mIndexIsRevoked) > 0;
-        if (isRevoked) {
-            revoked.setVisibility(View.VISIBLE);
-        } else {
-            revoked.setVisibility(View.GONE);
-        }
-    }
-
-    @Override
-    public View newView(Context context, Cursor cursor, ViewGroup parent) {
-        return mInflater.inflate(R.layout.key_list_public_item, null);
-    }
-
-    /**
-     * Creates a new header view and binds the section headers to it. It uses the ViewHolder
-     * pattern. Most functionality is similar to getView() from Android's CursorAdapter.
-     * <p/>
-     * NOTE: The variables mDataValid and mCursor are available due to the super class
-     * CursorAdapter.
-     */
-    @Override
-    public View getHeaderView(int position, View convertView, ViewGroup parent) {
-        HeaderViewHolder holder;
-        if (convertView == null) {
-            holder = new HeaderViewHolder();
-            convertView = mInflater.inflate(R.layout.key_list_public_header, parent, false);
-            holder.text = (TextView) convertView.findViewById(R.id.stickylist_header_text);
-            convertView.setTag(holder);
-        } else {
-            holder = (HeaderViewHolder) convertView.getTag();
-        }
-
-        if (!mDataValid) {
-            // no data available at this point
-            Log.d(Constants.TAG, "getHeaderView: No data available at this point!");
-            return convertView;
-        }
-
-        if (!mCursor.moveToPosition(position)) {
-            throw new IllegalStateException("couldn't move cursor to position " + position);
-        }
-
-        // set header text as first char in user id
-        String userId = mCursor.getString(mSectionColumnIndex);
-        String headerText = convertView.getResources().getString(R.string.user_id_no_name);
-        if (userId != null && userId.length() > 0) {
-            headerText = "" + mCursor.getString(mSectionColumnIndex).subSequence(0, 1).charAt(0);
-        }
-        holder.text.setText(headerText);
-        return convertView;
-    }
-
-    /**
-     * Header IDs should be static, position=1 should always return the same Id that is.
-     */
-    @Override
-    public long getHeaderId(int position) {
-        if (!mDataValid) {
-            // no data available at this point
-            Log.d(Constants.TAG, "getHeaderView: No data available at this point!");
-            return -1;
-        }
-
-        if (!mCursor.moveToPosition(position)) {
-            throw new IllegalStateException("couldn't move cursor to position " + position);
-        }
-
-        // return the first character of the name as ID because this is what
-        // headers are based upon
-        String userId = mCursor.getString(mSectionColumnIndex);
-        if (userId != null && userId.length() > 0) {
-            return userId.subSequence(0, 1).charAt(0);
-        } else {
-            return Long.MAX_VALUE;
-        }
-    }
-
-    class HeaderViewHolder {
-        TextView text;
-    }
-
-    /**
-     * -------------------------- MULTI-SELECTION METHODS --------------
-     */
-    public void setNewSelection(int position, boolean value) {
-        mSelection.put(position, value);
-        notifyDataSetChanged();
-    }
-
-    public void removeSelection(int position) {
-        mSelection.remove(position);
-        notifyDataSetChanged();
-    }
-
-    public void clearSelection() {
-        mSelection.clear();
-        notifyDataSetChanged();
-    }
-
-    @Override
-    public View getView(int position, View convertView, ViewGroup parent) {
-        // let the adapter handle setting up the row views
-        View v = super.getView(position, convertView, parent);
-
-        /**
-         * Change color for multi-selection
-         */
-        if (mSelection.get(position) != null && mSelection.get(position).booleanValue()) {
-            // color for selected items
-            v.setBackgroundColor(parent.getResources().getColor(R.color.emphasis));
-        } else {
-            // default color
-            v.setBackgroundColor(Color.TRANSPARENT);
-        }
-        return v;
-    }
-
-}
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/KeyListSecretAdapter.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/KeyListSecretAdapter.java
deleted file mode 100644
index 0bffcaa19..000000000
--- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/KeyListSecretAdapter.java
+++ /dev/null
@@ -1,129 +0,0 @@
-/*
- * Copyright (C) 2013 Dominik Schürmann <dominik@dominikschuermann.de>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package org.sufficientlysecure.keychain.ui.adapter;
-
-import java.util.HashMap;
-
-import org.sufficientlysecure.keychain.R;
-import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
-import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds;
-
-import android.annotation.SuppressLint;
-import android.content.Context;
-import android.database.Cursor;
-import android.graphics.Color;
-import android.support.v4.widget.CursorAdapter;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.TextView;
-
-public class KeyListSecretAdapter extends CursorAdapter {
-    private LayoutInflater mInflater;
-
-    private int mIndexUserId;
-
-    @SuppressLint("UseSparseArrays")
-    private HashMap<Integer, Boolean> mSelection = new HashMap<Integer, Boolean>();
-
-    public KeyListSecretAdapter(Context context, Cursor c, int flags) {
-        super(context, c, flags);
-
-        mInflater = LayoutInflater.from(context);
-        initIndex(c);
-    }
-
-    @Override
-    public Cursor swapCursor(Cursor newCursor) {
-        initIndex(newCursor);
-
-        return super.swapCursor(newCursor);
-    }
-
-    /**
-     * Get column indexes for performance reasons just once in constructor and swapCursor. For a
-     * performance comparison see http://stackoverflow.com/a/17999582
-     * 
-     * @param cursor
-     */
-    private void initIndex(Cursor cursor) {
-        if (cursor != null) {
-            mIndexUserId = cursor.getColumnIndexOrThrow(UserIds.USER_ID);
-        }
-    }
-
-    @Override
-    public void bindView(View view, Context context, Cursor cursor) {
-        TextView mainUserId = (TextView) view.findViewById(R.id.mainUserId);
-        TextView mainUserIdRest = (TextView) view.findViewById(R.id.mainUserIdRest);
-
-        String userId = cursor.getString(mIndexUserId);
-        String[] userIdSplit = PgpKeyHelper.splitUserId(userId);
-
-        if (userIdSplit[0] != null) {
-            mainUserId.setText(userIdSplit[0]);
-        } else {
-            mainUserId.setText(R.string.user_id_no_name);
-        }
-        if (userIdSplit[1] != null) {
-            mainUserIdRest.setText(userIdSplit[1]);
-        } else {
-            mainUserIdRest.setText("");
-        }
-    }
-
-    @Override
-    public View newView(Context context, Cursor cursor, ViewGroup parent) {
-        return mInflater.inflate(R.layout.key_list_secret_item, null);
-    }
-
-    /** -------------------------- MULTI-SELECTION METHODS -------------- */
-    public void setNewSelection(int position, boolean value) {
-        mSelection.put(position, value);
-        notifyDataSetChanged();
-    }
-    
-    public void removeSelection(int position) {
-        mSelection.remove(position);
-        notifyDataSetChanged();
-    }
-
-    public void clearSelection() {
-        mSelection.clear();
-        notifyDataSetChanged();
-    }
-
-    @Override
-    public View getView(int position, View convertView, ViewGroup parent) {
-        // let the adapter handle setting up the row views
-        View v = super.getView(position, convertView, parent);
-
-        /**
-         * Change color for multi-selection
-         */
-        if (mSelection.get(position) != null) {
-            // color for selected items
-            v.setBackgroundColor(parent.getResources().getColor(R.color.emphasis));
-        } else {
-            // default color
-            v.setBackgroundColor(Color.TRANSPARENT);
-        }
-        return v;
-    }
-
-}