Smaller UI fixes

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EncryptActivity.java

@@ -489,7 +489,7 @@ public class EncryptActivity extends DrawerActivity implements EncryptActivityIn
          * Android's Action
          */
         if (Intent.ACTION_SEND.equals(action) && type != null) {
-            // When sending to APG Encrypt via share menu
+            // When sending to OpenKeychain Encrypt via share menu
             if ("text/plain".equals(type)) {
                 // Plain text
                 String sharedText = intent.getStringExtra(Intent.EXTRA_TEXT);

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EncryptAsymmetricFragment.java

@@ -115,6 +115,7 @@ public class EncryptAsymmetricFragment extends Fragment implements EncryptActivi
             }
         });
         mEncryptKeyView = (EncryptKeyCompletionView) view.findViewById(R.id.recipient_list);
+        mEncryptKeyView.setThreshold(1); // Start working from first character
 
         return view;
     }

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/AddUserIdDialogFragment.java

@@ -149,6 +149,14 @@ public class AddUserIdDialogFragment extends DialogFragment implements OnEditorA
             }
         });
 
+        mName.setThreshold(1); // Start working from first character
+        mName.setAdapter(
+                new ArrayAdapter<String>
+                        (getActivity(), android.R.layout.simple_spinner_dropdown_item,
+                                ContactHelper.getPossibleUserNames(getActivity())
+                        )
+        );
+
         alert.setNegativeButton(android.R.string.cancel, new OnClickListener() {
             @Override
             public void onClick(DialogInterface dialog, int id) {