Import code, fix collision of key spinner with other loaders

7 files changed, 321 insertions, 46 deletions

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/AddKeysActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/AddKeysActivity.java
index 05d6c2779..ecc72c24d 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/AddKeysActivity.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/AddKeysActivity.java
@@ -17,33 +17,52 @@
 
 package org.sufficientlysecure.keychain.ui;
 
+import android.app.ProgressDialog;
 import android.content.Intent;
 import android.graphics.PorterDuff;
 import android.net.Uri;
 import android.os.Bundle;
+import android.os.Message;
+import android.os.Messenger;
+import android.support.v4.app.LoaderManager;
+import android.support.v4.content.Loader;
+import android.support.v4.util.LongSparseArray;
 import android.support.v7.app.ActionBarActivity;
 import android.view.View;
 import android.widget.ImageView;
 
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.R;
-import org.sufficientlysecure.keychain.pgp.CanonicalizedPublicKeyRing;
-import org.sufficientlysecure.keychain.provider.CachedPublicKeyRing;
+import org.sufficientlysecure.keychain.keyimport.ImportKeysListEntry;
+import org.sufficientlysecure.keychain.keyimport.Keyserver;
+import org.sufficientlysecure.keychain.keyimport.ParcelableKeyRing;
 import org.sufficientlysecure.keychain.provider.KeychainContract;
 import org.sufficientlysecure.keychain.provider.ProviderHelper;
+import org.sufficientlysecure.keychain.service.KeychainIntentService;
+import org.sufficientlysecure.keychain.service.KeychainIntentServiceHandler;
+import org.sufficientlysecure.keychain.service.results.ImportKeyResult;
 import org.sufficientlysecure.keychain.service.results.OperationResult;
+import org.sufficientlysecure.keychain.ui.adapter.AsyncTaskResultWrapper;
+import org.sufficientlysecure.keychain.ui.adapter.ImportKeysListCloudLoader;
+import org.sufficientlysecure.keychain.ui.adapter.ImportKeysListLoader;
 import org.sufficientlysecure.keychain.ui.util.Notify;
 import org.sufficientlysecure.keychain.ui.widget.ExchangeKeySpinner;
 import org.sufficientlysecure.keychain.ui.widget.KeySpinner;
+import org.sufficientlysecure.keychain.util.InputData;
 import org.sufficientlysecure.keychain.util.Log;
+import org.sufficientlysecure.keychain.util.ParcelableFileCache;
 
+import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Iterator;
 
 import edu.cmu.cylab.starslinger.exchange.ExchangeActivity;
 import edu.cmu.cylab.starslinger.exchange.ExchangeConfig;
 
-public class AddKeysActivity extends ActionBarActivity {
+public class AddKeysActivity extends ActionBarActivity implements
+        LoaderManager.LoaderCallbacks<AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>> {
 
     ExchangeKeySpinner mSafeSlingerKeySpinner;
     View mActionSafeSlinger;
@@ -55,9 +74,16 @@ public class AddKeysActivity extends ActionBarActivity {
 
     long mExchangeMasterKeyId = Constants.key.none;
 
-    private static final int REQUEST_CODE_SAFESLINGER = 1;
+    byte[] mImportBytes;
+    private LongSparseArray<ParcelableKeyRing> mCachedKeyData;
 
 
+    private static final int REQUEST_CODE_SAFE_SLINGER = 1;
+
+
+    private static final int LOADER_ID_BYTES = 0;
+    private static final int LOADER_ID_CLOUD = 1;
+
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -119,7 +145,7 @@ public class AddKeysActivity extends ActionBarActivity {
                 Intent slingerIntent = new Intent(this, ExchangeActivity.class);
                 slingerIntent.putExtra(ExchangeConfig.extra.USER_DATA, keyBlob);
                 slingerIntent.putExtra(ExchangeConfig.extra.HOST_NAME, Constants.SAFESLINGER_SERVER);
-                startActivityForResult(slingerIntent, REQUEST_CODE_SAFESLINGER);
+                startActivityForResult(slingerIntent, REQUEST_CODE_SAFE_SLINGER);
             } catch (ProviderHelper.NotFoundException e) {
                 Log.e(Constants.TAG, "personal key not found", e);
             }
@@ -143,14 +169,16 @@ public class AddKeysActivity extends ActionBarActivity {
             result.createNotify(this).show();
         } else {
             switch (requestCode) {
-                case REQUEST_CODE_SAFESLINGER:
+                case REQUEST_CODE_SAFE_SLINGER:
                     switch (resultCode) {
                         case ExchangeActivity.RESULT_EXCHANGE_OK:
                             // import exchanged keys
-                            Intent importIntent = new Intent(this, ImportKeysActivity.class);
-                            importIntent.setAction(ImportKeysActivity.ACTION_IMPORT_KEY);
-                            importIntent.putExtra(ImportKeysActivity.EXTRA_KEY_BYTES, getSlingedKeys(data));
-                            startActivity(importIntent);
+                            mImportBytes = getSlingedKeys(data);
+                            getSupportLoaderManager().restartLoader(LOADER_ID_BYTES, null, this);
+//                            Intent importIntent = new Intent(this, ImportKeysActivity.class);
+//                            importIntent.setAction(ImportKeysActivity.ACTION_IMPORT_KEY);
+//                            importIntent.putExtra(ImportKeysActivity.EXTRA_KEY_BYTES, getSlingedKeys(data));
+//                            startActivity(importIntent);
                             break;
                         case ExchangeActivity.RESULT_EXCHANGE_CANCELED:
                             // handle canceled result
@@ -185,4 +213,252 @@ public class AddKeysActivity extends ActionBarActivity {
 
         return out.toByteArray();
     }
+
+    @Override
+    public Loader<AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>> onCreateLoader(int id, Bundle args) {
+        switch (id) {
+            case LOADER_ID_BYTES: {
+                InputData inputData = new InputData(new ByteArrayInputStream(mImportBytes), mImportBytes.length);
+                return new ImportKeysListLoader(this, inputData);
+            }
+            case LOADER_ID_CLOUD: {
+//                ImportKeysListFragment.CloudLoaderState ls = (ImportKeysListFragment.CloudLoaderState) mLoaderState;
+//                return new ImportKeysListCloudLoader(this, ls.mServerQuery, ls.mCloudPrefs);
+            }
+
+            default:
+                return null;
+        }
+    }
+
+    @Override
+    public void onLoadFinished(Loader<AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>> loader, AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>> data) {
+
+        Log.d(Constants.TAG, "data: " + data.getResult());
+
+        // swap in the real data!
+//        mAdapter.setData(data.getResult());
+//        mAdapter.notifyDataSetChanged();
+//
+//        setListAdapter(mAdapter);
+//
+//        // The list should now be shown.
+//        if (isResumed()) {
+//            setListShown(true);
+//        } else {
+//            setListShownNoAnimation(true);
+//        }
+
+        Exception error = data.getError();
+
+        // free old cached key data
+        mCachedKeyData = null;
+
+
+        // TODO: Use parcels!!!!!!!!!!!!!!!
+        switch (loader.getId()) {
+            case LOADER_ID_BYTES:
+
+                if (error == null) {
+                    // No error
+                    mCachedKeyData = ((ImportKeysListLoader) loader).getParcelableRings();
+                } else if (error instanceof ImportKeysListLoader.NoValidKeysException) {
+                    Notify.showNotify(this, R.string.error_import_no_valid_keys, Notify.Style.ERROR);
+                } else if (error instanceof ImportKeysListLoader.NonPgpPartException) {
+                    Notify.showNotify(this,
+                            ((ImportKeysListLoader.NonPgpPartException) error).getCount() + " " + getResources().
+                                    getQuantityString(R.plurals.error_import_non_pgp_part,
+                                            ((ImportKeysListLoader.NonPgpPartException) error).getCount()),
+                            Notify.Style.OK
+                    );
+                } else {
+                    Notify.showNotify(this, R.string.error_generic_report_bug, Notify.Style.ERROR);
+                }
+                break;
+
+            case LOADER_ID_CLOUD:
+
+                if (error == null) {
+                    // No error
+                } else if (error instanceof Keyserver.QueryTooShortException) {
+                    Notify.showNotify(this, R.string.error_query_too_short, Notify.Style.ERROR);
+                } else if (error instanceof Keyserver.TooManyResponsesException) {
+                    Notify.showNotify(this, R.string.error_too_many_responses, Notify.Style.ERROR);
+                } else if (error instanceof Keyserver.QueryTooShortOrTooManyResponsesException) {
+                    Notify.showNotify(this, R.string.error_too_short_or_too_many_responses, Notify.Style.ERROR);
+                } else if (error instanceof Keyserver.QueryFailedException) {
+                    Log.d(Constants.TAG,
+                            "Unrecoverable keyserver query error: " + error.getLocalizedMessage());
+                    String alert = this.getString(R.string.error_searching_keys);
+                    alert = alert + " (" + error.getLocalizedMessage() + ")";
+                    Notify.showNotify(this, alert, Notify.Style.ERROR);
+                }
+                break;
+
+            default:
+                break;
+        }
+
+        importKeys();
+    }
+
+    @Override
+    public void onLoaderReset(Loader<AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>> loader) {
+        switch (loader.getId()) {
+            case LOADER_ID_BYTES:
+                // Clear the data in the adapter.
+//                mAdapter.clear();
+                break;
+            case LOADER_ID_CLOUD:
+                // Clear the data in the adapter.
+//                mAdapter.clear();
+                break;
+            default:
+                break;
+        }
+    }
+
+    public ParcelableFileCache.IteratorWithSize<ParcelableKeyRing> getSelectedData() {
+        return new ParcelableFileCache.IteratorWithSize<ParcelableKeyRing>() {
+            int i = 0;
+
+            @Override
+            public int getSize() {
+                return mCachedKeyData.size();
+            }
+
+            @Override
+            public boolean hasNext() {
+                return (mCachedKeyData.get(i + 1) != null);
+            }
+
+            @Override
+            public ParcelableKeyRing next() {
+                ParcelableKeyRing key = mCachedKeyData.get(i);
+                i++;
+                return key;
+            }
+
+            @Override
+            public void remove() {
+                mCachedKeyData.remove(i);
+            }
+        };
+    }
+
+    public void importKeys() {
+        // Message is received after importing is done in KeychainIntentService
+        KeychainIntentServiceHandler saveHandler = new KeychainIntentServiceHandler(
+                this,
+                getString(R.string.progress_importing),
+                ProgressDialog.STYLE_HORIZONTAL,
+                true) {
+            public void handleMessage(Message message) {
+                // handle messages by standard KeychainIntentServiceHandler first
+                super.handleMessage(message);
+
+                if (message.arg1 == KeychainIntentServiceHandler.MESSAGE_OKAY) {
+                    // get returned data bundle
+                    Bundle returnData = message.getData();
+                    if (returnData == null) {
+                        return;
+                    }
+                    final ImportKeyResult result =
+                            returnData.getParcelable(OperationResult.EXTRA_RESULT);
+                    if (result == null) {
+                        Log.e(Constants.TAG, "result == null");
+                        return;
+                    }
+
+//                    if (ACTION_IMPORT_KEY_FROM_KEYSERVER_AND_RETURN_RESULT.equals(getIntent().getAction())
+//                            || ACTION_IMPORT_KEY_FROM_FILE_AND_RETURN.equals(getIntent().getAction())) {
+//                        Intent intent = new Intent();
+//                        intent.putExtra(ImportKeyResult.EXTRA_RESULT, result);
+//                        ImportKeysActivity.this.setResult(RESULT_OK, intent);
+//                        ImportKeysActivity.this.finish();
+//                        return;
+//                    }
+//                    if (ACTION_IMPORT_KEY_FROM_KEYSERVER_AND_RETURN_TO_SERVICE.equals(getIntent().getAction())) {
+//                        ImportKeysActivity.this.setResult(RESULT_OK, mPendingIntentData);
+//                        ImportKeysActivity.this.finish();
+//                        return;
+//                    }
+
+                    result.createNotify(AddKeysActivity.this).show();
+                }
+            }
+        };
+
+//        ImportKeysListFragment.LoaderState ls = mListFragment.getLoaderState();
+//        if (importBytes != null) {
+            Log.d(Constants.TAG, "importKeys started");
+
+            // Send all information needed to service to import key in other thread
+            Intent intent = new Intent(this, KeychainIntentService.class);
+
+            intent.setAction(KeychainIntentService.ACTION_IMPORT_KEYRING);
+
+            // fill values for this action
+            Bundle data = new Bundle();
+
+            // get DATA from selected key entries
+//            ParcelableFileCache.IteratorWithSize<ParcelableKeyRing> selectedEntries = mListFragment.getSelectedData();
+
+            // instead of giving the entries by Intent extra, cache them into a
+            // file to prevent Java Binder problems on heavy imports
+            // read FileImportCache for more info.
+            try {
+                // We parcel this iteratively into a file - anything we can
+                // display here, we should be able to import.
+                ParcelableFileCache<ParcelableKeyRing> cache =
+                        new ParcelableFileCache<ParcelableKeyRing>(this, "key_import.pcl");
+                cache.writeCache(getSelectedData());
+
+                intent.putExtra(KeychainIntentService.EXTRA_DATA, data);
+
+                // Create a new Messenger for the communication back
+                Messenger messenger = new Messenger(saveHandler);
+                intent.putExtra(KeychainIntentService.EXTRA_MESSENGER, messenger);
+
+                // show progress dialog
+                saveHandler.showProgressDialog(this);
+
+                // start service with intent
+                startService(intent);
+            } catch (IOException e) {
+                Log.e(Constants.TAG, "Problem writing cache file", e);
+                Notify.showNotify(this, "Problem writing cache file!", Notify.Style.ERROR);
+            }
+//        } else if (ls instanceof ImportKeysListFragment.CloudLoaderState) {
+//            ImportKeysListFragment.CloudLoaderState sls = (ImportKeysListFragment.CloudLoaderState) ls;
+//
+//            // Send all information needed to service to query keys in other thread
+//            Intent intent = new Intent(this, KeychainIntentService.class);
+//
+//            intent.setAction(KeychainIntentService.ACTION_DOWNLOAD_AND_IMPORT_KEYS);
+//
+//            // fill values for this action
+//            Bundle data = new Bundle();
+//
+//            data.putString(KeychainIntentService.DOWNLOAD_KEY_SERVER, sls.mCloudPrefs.keyserver);
+//
+//            // get selected key entries
+//            ArrayList<ImportKeysListEntry> selectedEntries = mListFragment.getSelectedEntries();
+//            data.putParcelableArrayList(KeychainIntentService.DOWNLOAD_KEY_LIST, selectedEntries);
+//
+//            intent.putExtra(KeychainIntentService.EXTRA_DATA, data);
+//
+//            // Create a new Messenger for the communication back
+//            Messenger messenger = new Messenger(saveHandler);
+//            intent.putExtra(KeychainIntentService.EXTRA_MESSENGER, messenger);
+//
+//            // show progress dialog
+//            saveHandler.showProgressDialog(this);
+//
+//            // start service with intent
+//            startService(intent);
+//        } else {
+//            Notify.showNotify(this, R.string.error_nothing_import, Notify.Style.ERROR);
+//        }
+    }
 }
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ImportKeysActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ImportKeysActivity.java
index efad2e45d..002f85e5d 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ImportKeysActivity.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ImportKeysActivity.java
@@ -97,7 +97,6 @@ public class ImportKeysActivity extends ActionBarActivity {
     private SlidingTabLayout mSlidingTabLayout;
     private PagerTabStripAdapter mTabsAdapter;
 
-    public static final int VIEW_PAGER_HEIGHT = 64; // dp
 
     private static final int ALL_TABS = -1;
     private static final int TAB_CLOUD = 0;
@@ -270,10 +269,6 @@ public class ImportKeysActivity extends ActionBarActivity {
         mSlidingTabLayout.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {
             @Override
             public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
-                // resize view pager back to 64 if keyserver settings have been collapsed
-                if (getViewPagerHeight() > VIEW_PAGER_HEIGHT) {
-                    resizeViewPager(VIEW_PAGER_HEIGHT);
-                }
             }
 
             @Override
@@ -339,18 +334,6 @@ public class ImportKeysActivity extends ActionBarActivity {
         getSupportFragmentManager().executePendingTransactions();
     }
 
-    public void resizeViewPager(int dp) {
-        ViewGroup.LayoutParams params = mViewPager.getLayoutParams();
-        params.height = FormattingUtils.dpToPx(this, dp);
-        // update layout after operations
-        mSlidingTabLayout.setViewPager(mViewPager);
-    }
-
-    public int getViewPagerHeight() {
-        ViewGroup.LayoutParams params = mViewPager.getLayoutParams();
-        return FormattingUtils.pxToDp(this, params.height);
-    }
-
     private String getFingerprintFromUri(Uri dataUri) {
         String fingerprint = dataUri.toString().split(":")[1].toLowerCase(Locale.ENGLISH);
         Log.d(Constants.TAG, "fingerprint: " + fingerprint);
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/CertifyKeySpinner.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/CertifyKeySpinner.java
index 07f6529f1..29273300a 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/CertifyKeySpinner.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/CertifyKeySpinner.java
@@ -84,13 +84,16 @@ public class CertifyKeySpinner extends KeySpinner {
     @Override
     public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
         super.onLoadFinished(loader, data);
-        // If there is only one choice, pick it by default
-        if (mAdapter.getCount() == 2) {
-            setSelection(1);
+
+        if (loader.getId() == LOADER_ID) {
+            // If there is only one choice, pick it by default
+            if (mAdapter.getCount() == 2) {
+                setSelection(1);
+            }
+            mIndexHasCertify = data.getColumnIndex(KeychainContract.KeyRings.HAS_CERTIFY);
+            mIndexIsRevoked = data.getColumnIndex(KeychainContract.KeyRings.IS_REVOKED);
+            mIndexIsExpired = data.getColumnIndex(KeychainContract.KeyRings.IS_EXPIRED);
         }
-        mIndexHasCertify = data.getColumnIndex(KeychainContract.KeyRings.HAS_CERTIFY);
-        mIndexIsRevoked = data.getColumnIndex(KeychainContract.KeyRings.IS_REVOKED);
-        mIndexIsExpired = data.getColumnIndex(KeychainContract.KeyRings.IS_EXPIRED);
     }
 
     @Override
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/ExchangeKeySpinner.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/ExchangeKeySpinner.java
index 3da11f9f3..e31d14d48 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/ExchangeKeySpinner.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/ExchangeKeySpinner.java
@@ -66,17 +66,20 @@ public class ExchangeKeySpinner extends KeySpinner {
         return new CursorLoader(getContext(), baseUri, projection, where, null, null);
     }
 
-    private int mIndexHasSign, mIndexIsRevoked, mIndexIsExpired;
+    private int mIndexIsRevoked, mIndexIsExpired;
 
     @Override
     public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
         super.onLoadFinished(loader, data);
-        // If there is only one choice, pick it by default
-        if (mAdapter.getCount() == 2) {
-            setSelection(1);
+
+        if (loader.getId() == LOADER_ID) {
+            // If there is only one choice, pick it by default
+            if (mAdapter.getCount() == 2) {
+                setSelection(1);
+            }
+            mIndexIsRevoked = data.getColumnIndex(KeychainContract.KeyRings.IS_REVOKED);
+            mIndexIsExpired = data.getColumnIndex(KeychainContract.KeyRings.IS_EXPIRED);
         }
-        mIndexIsRevoked = data.getColumnIndex(KeychainContract.KeyRings.IS_REVOKED);
-        mIndexIsExpired = data.getColumnIndex(KeychainContract.KeyRings.IS_EXPIRED);
     }
 
     @Override
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/KeySpinner.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/KeySpinner.java
index bb4ae3ab6..7ec6ffe95 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/KeySpinner.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/KeySpinner.java
@@ -50,6 +50,9 @@ public abstract class KeySpinner extends Spinner implements LoaderManager.Loader
     protected SelectKeyAdapter mAdapter = new SelectKeyAdapter();
     protected OnKeyChangedListener mListener;
 
+    // this shall note collide with other loaders inside the activity
+    protected int LOADER_ID = 2343;
+
     public KeySpinner(Context context) {
         super(context);
         initView();
@@ -101,7 +104,7 @@ public abstract class KeySpinner extends Spinner implements LoaderManager.Loader
 
     public void reload() {
         if (getContext() instanceof FragmentActivity) {
-            ((FragmentActivity) getContext()).getSupportLoaderManager().restartLoader(0, null, this);
+            ((FragmentActivity) getContext()).getSupportLoaderManager().restartLoader(LOADER_ID, null, this);
         } else {
             Log.e(Constants.TAG, "KeySpinner must be attached to FragmentActivity, this is " + getContext().getClass());
         }
@@ -109,12 +112,16 @@ public abstract class KeySpinner extends Spinner implements LoaderManager.Loader
 
     @Override
     public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
-        mAdapter.swapCursor(data);
+        if (loader.getId() == LOADER_ID) {
+            mAdapter.swapCursor(data);
+        }
     }
 
     @Override
     public void onLoaderReset(Loader<Cursor> loader) {
-        mAdapter.swapCursor(null);
+        if (loader.getId() == LOADER_ID) {
+            mAdapter.swapCursor(null);
+        }
     }
 
     public long getSelectedKeyId() {
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/SignKeySpinner.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/SignKeySpinner.java
index ce1f7bb44..2f002d470 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/SignKeySpinner.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/SignKeySpinner.java
@@ -73,9 +73,12 @@ public class SignKeySpinner extends KeySpinner {
     @Override
     public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
         super.onLoadFinished(loader, data);
-        mIndexHasSign = data.getColumnIndex(KeychainContract.KeyRings.HAS_SIGN);
-        mIndexIsRevoked = data.getColumnIndex(KeychainContract.KeyRings.IS_REVOKED);
-        mIndexIsExpired = data.getColumnIndex(KeychainContract.KeyRings.IS_EXPIRED);
+
+        if (loader.getId() == LOADER_ID) {
+            mIndexHasSign = data.getColumnIndex(KeychainContract.KeyRings.HAS_SIGN);
+            mIndexIsRevoked = data.getColumnIndex(KeychainContract.KeyRings.IS_REVOKED);
+            mIndexIsExpired = data.getColumnIndex(KeychainContract.KeyRings.IS_EXPIRED);
+        }
     }
 
     @Override
diff --git a/OpenKeychain/src/main/res/layout/add_key_activity.xml b/OpenKeychain/src/main/res/layout/add_key_activity.xml
index ca0baecdb..624ef9ed4 100644
--- a/OpenKeychain/src/main/res/layout/add_key_activity.xml
+++ b/OpenKeychain/src/main/res/layout/add_key_activity.xml
@@ -87,7 +87,7 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_marginTop="32dp"
-            android:text="Add" />
+            android:text="Secure add" />
 
         <TextView
             android:id="@+id/add_keys_qr_code"