WIP & fragment voodoo

14 files changed, 796 insertions, 139 deletions

diff --git a/src/main/java/de/pixart/messenger/ui/ConversationActivity.java b/src/main/java/de/pixart/messenger/ui/ConversationActivity.java
index 4ad5d2d59..27512a3d1 100644
--- a/src/main/java/de/pixart/messenger/ui/ConversationActivity.java
+++ b/src/main/java/de/pixart/messenger/ui/ConversationActivity.java
@@ -2,11 +2,9 @@ package de.pixart.messenger.ui;
 
 import android.annotation.SuppressLint;
 import android.app.FragmentTransaction;
-import android.app.PendingIntent;
 import android.content.ActivityNotFoundException;
 import android.content.Context;
 import android.content.Intent;
-import android.content.IntentSender.SendIntentException;
 import android.content.SharedPreferences;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
@@ -31,13 +29,9 @@ import android.widget.AdapterView;
 import android.widget.AdapterView.OnItemClickListener;
 import android.widget.ArrayAdapter;
 import android.widget.ListView;
-import android.widget.PopupMenu;
-import android.widget.PopupMenu.OnMenuItemClickListener;
 import android.widget.TextView;
 import android.widget.Toast;
 
-import net.java.otr4j.session.SessionStatus;
-
 import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.atomic.AtomicBoolean;
@@ -59,7 +53,6 @@ import de.pixart.messenger.ui.adapter.ConversationAdapter;
 import de.pixart.messenger.utils.ExceptionHelper;
 import de.pixart.messenger.utils.UIHelper;
 import de.pixart.messenger.xmpp.OnUpdateBlocklist;
-import de.pixart.messenger.xmpp.XmppConnection;
 import de.pixart.messenger.xmpp.chatstate.ChatState;
 import de.pixart.messenger.xmpp.jid.InvalidJidException;
 import de.pixart.messenger.xmpp.jid.Jid;
@@ -165,6 +158,7 @@ public class ConversationActivity extends XmppActivity
         }
     }
 
+    @SuppressLint("ClickableViewAccessibility")
     @Override
     protected void onCreate(final Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -186,7 +180,7 @@ public class ConversationActivity extends XmppActivity
 
         this.mConversationFragment = new ConversationFragment();
         FragmentTransaction transaction = getFragmentManager().beginTransaction();
-        transaction.replace(R.id.selected_conversation, this.mConversationFragment, "conversation");
+        //transaction.replace(R.id.selected_conversation, this.mConversationFragment, "conversation");
         transaction.commit();
 
         listView = findViewById(R.id.list);
@@ -214,9 +208,9 @@ public class ConversationActivity extends XmppActivity
             }
         });
 
-        mContentView = findViewById(R.id.content_view_spl);
+        //mContentView = findViewById(R.id.content_view_spl);
         if (mContentView == null) {
-            mContentView = findViewById(R.id.content_view_ll);
+            //mContentView = findViewById(R.id.content_view_ll);
         }
         if (mContentView instanceof SlidingPaneLayout) {
             SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
@@ -252,6 +246,10 @@ public class ConversationActivity extends XmppActivity
         }
     }
 
+    public boolean useBundledEmoji() {
+        return getPreferences().getBoolean(USE_BUNDLED_EMOJIS, getResources().getBoolean(R.bool.use_bundled_emoji));
+    }
+
     private boolean isPackageInstalled(String targetPackage) {
         List<ApplicationInfo> packages;
         PackageManager pm;
@@ -454,41 +452,6 @@ public class ConversationActivity extends XmppActivity
         }
     }
 
-    public void verifyOtrSessionDialog(final Conversation conversation, View view) {
-        if (!conversation.hasValidOtrSession() || conversation.getOtrSession().getSessionStatus() != SessionStatus.ENCRYPTED) {
-            Toast.makeText(this, R.string.otr_session_not_started, Toast.LENGTH_LONG).show();
-            return;
-        }
-        if (view == null) {
-            return;
-        }
-        PopupMenu popup = new PopupMenu(this, view);
-        popup.inflate(R.menu.verification_choices);
-        popup.setOnMenuItemClickListener(new OnMenuItemClickListener() {
-            @Override
-            public boolean onMenuItemClick(MenuItem menuItem) {
-                Intent intent = new Intent(ConversationActivity.this, VerifyOTRActivity.class);
-                intent.setAction(VerifyOTRActivity.ACTION_VERIFY_CONTACT);
-                intent.putExtra("contact", conversation.getContact().getJid().toBareJid().toString());
-                intent.putExtra(EXTRA_ACCOUNT, conversation.getAccount().getJid().toBareJid().toString());
-                switch (menuItem.getItemId()) {
-                    case R.id.scan_fingerprint:
-                        intent.putExtra("mode", VerifyOTRActivity.MODE_SCAN_FINGERPRINT);
-                        break;
-                    case R.id.ask_question:
-                        intent.putExtra("mode", VerifyOTRActivity.MODE_ASK_QUESTION);
-                        break;
-                    case R.id.manual_verification:
-                        intent.putExtra("mode", VerifyOTRActivity.MODE_MANUAL_VERIFICATION);
-                        break;
-                }
-                startActivity(intent);
-                return true;
-            }
-        });
-        popup.show();
-    }
-
     @Override
     public void onBackPressed() {
         if (!isConversationsOverviewVisable() && mConversationFragment.isSearchFieldVisible()) {
@@ -914,11 +877,6 @@ public class ConversationActivity extends XmppActivity
         }
     }
 
-    public long getMaxHttpUploadSize(Conversation conversation) {
-        final XmppConnection connection = conversation.getAccount().getXmppConnection();
-        return connection == null ? -1 : connection.getFeatures().getMaxHttpUploadSize();
-    }
-
     private String getBatteryOptimizationPreferenceKey() {
         @SuppressLint("HardwareIds") String device = Settings.Secure.getString(getContentResolver(), Settings.Secure.ANDROID_ID);
         return "show_battery_optimization" + (device == null ? "" : device);
@@ -974,30 +932,6 @@ public class ConversationActivity extends XmppActivity
         listAdapter.notifyDataSetChanged();
     }
 
-    public void runIntent(PendingIntent pi, int requestCode) {
-        try {
-            this.startIntentSenderForResult(pi.getIntentSender(), requestCode,
-                    null, 0, 0, 0);
-        } catch (final SendIntentException ignored) {
-        }
-    }
-
-    public boolean useSendButtonToIndicateStatus() {
-        return getPreferences().getBoolean("send_button_status", getResources().getBoolean(R.bool.send_button_status));
-    }
-
-    public boolean indicateReceived() {
-        return getPreferences().getBoolean("indicate_received", getResources().getBoolean(R.bool.indicate_received));
-    }
-
-    public boolean useWhiteBackground() {
-        return getPreferences().getBoolean("use_white_background", getResources().getBoolean(R.bool.use_white_background));
-    }
-
-    public boolean useBundledEmoji() {
-        return getPreferences().getBoolean(USE_BUNDLED_EMOJIS, getResources().getBoolean(R.bool.use_bundled_emoji));
-    }
-
     @Override
     protected void refreshUiReal() {
         updateConversationList();
@@ -1040,10 +974,6 @@ public class ConversationActivity extends XmppActivity
         this.refreshUi();
     }
 
-    public boolean enterIsSend() {
-        return getPreferences().getBoolean("enter_is_send", getResources().getBoolean(R.bool.enter_is_send));
-    }
-
     @Override
     public void onShowErrorToast(final int resId) {
         runOnUiThread(() -> Toast.makeText(ConversationActivity.this, resId, Toast.LENGTH_SHORT).show());
@@ -1066,4 +996,6 @@ public class ConversationActivity extends XmppActivity
             startActivity(intent);
         }
     }
+
+
 }
diff --git a/src/main/java/de/pixart/messenger/ui/ConversationFragment.java b/src/main/java/de/pixart/messenger/ui/ConversationFragment.java
index 2b27d63cf..742c14495 100644
--- a/src/main/java/de/pixart/messenger/ui/ConversationFragment.java
+++ b/src/main/java/de/pixart/messenger/ui/ConversationFragment.java
@@ -2,13 +2,13 @@ package de.pixart.messenger.ui;
 
 import android.annotation.SuppressLint;
 import android.app.Activity;
-import android.app.Fragment;
 import android.app.PendingIntent;
 import android.content.ActivityNotFoundException;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.IntentSender.SendIntentException;
+import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
 import android.databinding.DataBindingUtil;
 import android.graphics.Bitmap;
@@ -18,6 +18,7 @@ import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.SystemClock;
+import android.preference.PreferenceManager;
 import android.provider.MediaStore;
 import android.support.media.ExifInterface;
 import android.support.v13.view.inputmethod.InputConnectionCompat;
@@ -91,9 +92,11 @@ import de.pixart.messenger.persistance.FileBackend;
 import de.pixart.messenger.services.MessageArchiveService;
 import de.pixart.messenger.services.XmppConnectionService;
 import de.pixart.messenger.ui.adapter.MessageAdapter;
+import de.pixart.messenger.ui.interfaces.OnSwipeTouchListener;
 import de.pixart.messenger.ui.util.ActivityResult;
 import de.pixart.messenger.ui.util.AttachmentTool;
 import de.pixart.messenger.ui.util.ConversationMenuConfigurator;
+import de.pixart.messenger.ui.util.PendingItem;
 import de.pixart.messenger.ui.util.PresenceSelector;
 import de.pixart.messenger.ui.util.SendButtonAction;
 import de.pixart.messenger.ui.util.SendButtonTool;
@@ -112,7 +115,7 @@ import static de.pixart.messenger.ui.XmppActivity.REQUEST_ANNOUNCE_PGP;
 import static de.pixart.messenger.ui.XmppActivity.REQUEST_CHOOSE_PGP_ID;
 import static de.pixart.messenger.xmpp.Patches.ENCRYPTION_EXCEPTIONS;
 
-public class ConversationFragment extends Fragment implements EditMessage.KeyboardListener {
+public class ConversationFragment extends XmppFragment implements EditMessage.KeyboardListener {
 
     public static final int REQUEST_SEND_MESSAGE = 0x0201;
     public static final int REQUEST_DECRYPT_PGP = 0x0202;
@@ -130,18 +133,21 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
     public static final int ATTACHMENT_CHOICE_INVALID = 0x0399;
 
     public static final String RECENTLY_USED_QUICK_ACTION = "recently_used_quick_action";
+    public static final String STATE_CONVERSATION_UUID = ConversationFragment.class.getName() + ".uuid";
+	public static final String STATE_SCROLL_POSITION = ConversationFragment.class.getName() + ".scroll_position";
 
     final protected List<Message> messageList = new ArrayList<>();
     final private List<Uri> mPendingImageUris = new ArrayList<>();
     public Uri mPendingEditorContent = null;
-    protected Conversation conversation;
-    public FragmentConversationBinding binding;
+    private final PendingItem<ActivityResult> postponedActivityResult = new PendingItem<>();
+	private final PendingItem<String> pendingConversationsUuid = new PendingItem<>();
     protected MessageAdapter messageListAdapter;
+    private Conversation conversation;
+	public FragmentConversationBinding binding;
     protected Message lastHistoryMessage = null;
     SimpleDateFormat sdf = new SimpleDateFormat("EEEE, dd. MMM yyyy", Locale.getDefault());
     private Toast messageLoaderToast;
-    private ActivityResult postponedActivityResult = null;
-    private ConversationActivity activity;
+    private ConversationsMainActivity activity;
     protected OnClickListener clickToVerify = new OnClickListener() {
         @Override
         public void onClick(View v) {
@@ -162,7 +168,7 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
 
         @Override
         public void onClick(View v) {
-            activity.endConversation(conversation);
+            activity.onConversationArchived(conversation);
         }
     };
     private OnClickListener joinMuc = new OnClickListener() {
@@ -904,6 +910,7 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
                 }
                 break;
             case ATTACHMENT_CHOICE_TAKE_FROM_CAMERA:
+                //TODO save photo uri
                 final List<Uri> PhotoUris = AttachmentTool.extractUriFromIntent(data);
                 for (Iterator<Uri> i = PhotoUris.iterator(); i.hasNext(); i.remove()) {
                     Log.d(Config.LOGTAG, "ConversationsActivity.onActivityResult() - attaching image to conversations. TAKE_FROM_CAMERA");
@@ -918,7 +925,7 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
                         attachFileToConversation(conversation, i.next());
                     }
                 };
-                if (conversation == null || conversation.getMode() == Conversation.MODE_MULTI || FileBackend.allFilesUnderSize(getActivity(), fileUris, activity.getMaxHttpUploadSize(conversation))) {
+                if (conversation == null || conversation.getMode() == Conversation.MODE_MULTI || FileBackend.allFilesUnderSize(getActivity(), fileUris, getMaxHttpUploadSize(conversation))) {
                     callback.onPresenceSelected();
                 } else {
                     activity.selectPresence(conversation, callback);
@@ -949,7 +956,7 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
         if (activity != null && activity.xmppConnectionService != null) {
             handleActivityResult(activityResult);
         } else {
-            this.postponedActivityResult = activityResult;
+            this.postponedActivityResult.push(activityResult);
         }
     }
 
@@ -958,13 +965,14 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
     }
 
     @Override
-    public void onAttach(Context context) {
-        if (context instanceof ConversationActivity) {
-            this.activity = (ConversationActivity) context;
+    public void onAttach(Activity activity) {
+        super.onAttach(activity);
+        Log.d(Config.LOGTAG, "onAttach()");
+        if (activity instanceof ConversationsMainActivity) {
+            this.activity = (ConversationsMainActivity) activity;
         } else {
             throw new IllegalStateException("Trying to attach fragment to activity that is not the ConversationActivity");
         }
-        super.onAttach(context);
     }
 
     @Override
@@ -1001,7 +1009,7 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
 
         binding.messagesView.setOnScrollListener(mOnScrollListener);
         binding.messagesView.setTranscriptMode(ListView.TRANSCRIPT_MODE_NORMAL);
-        messageListAdapter = new MessageAdapter((ConversationActivity) getActivity(), this.messageList);
+        messageListAdapter = new MessageAdapter((XmppActivity) getActivity(), this.messageList);
         messageListAdapter.setOnContactPictureClicked(message -> {
             final boolean received = message.getStatus() <= Message.STATUS_RECEIVED;
             if (received) {
@@ -1074,7 +1082,6 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
         binding.messagesView.setAdapter(messageListAdapter);
 
         registerForContextMenu(binding.messagesView);
-
         return binding.getRoot();
     }
 
@@ -1253,7 +1260,7 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
                 handleAttachmentSelection(item);
                 break;
             case R.id.action_archive_chat:
-                activity.endConversation(conversation);
+                activity.onConversationArchived(conversation);
                 break;
             case R.id.action_archive_muc:
                 getActivity().runOnUiThread(() -> {
@@ -1262,7 +1269,7 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
                     builder.setMessage(getString(R.string.leave_conference_warning));
                     builder.setNegativeButton(getString(R.string.cancel), null);
                     builder.setPositiveButton(getString(R.string.action_end_conversation_muc),
-                            (dialog, which) -> activity.endConversation(conversation));
+                            (dialog, which) -> activity.onConversationArchived(conversation));
                     builder.create().show();
                 });
                 break;
@@ -1312,7 +1319,6 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
         if (conversation == null) {
             return;
         }
-        final ConversationFragment fragment = (ConversationFragment) getFragmentManager().findFragmentByTag("conversation");
         switch (item.getItemId()) {
             case R.id.encryption_choice_none:
                 conversation.setNextEncryption(Message.ENCRYPTION_NONE);
@@ -1345,7 +1351,7 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
                 break;
         }
         activity.xmppConnectionService.updateConversation(conversation);
-        fragment.updateChatMsgHint();
+        updateChatMsgHint();
         getActivity().invalidateOptionsMenu();
         activity.refreshUi();
     }
@@ -1384,7 +1390,7 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
 
                                 @Override
                                 public void userInputRequried(PendingIntent pi, Contact contact) {
-                                    activity.runIntent(pi, attachmentChoice);
+                                    startPendingIntent(pi, attachmentChoice);
                                 }
 
                                 @Override
@@ -1478,9 +1484,9 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
         builder.setPositiveButton(getString(R.string.delete_messages), (dialog, which) -> {
             this.activity.xmppConnectionService.clearConversationHistory(conversation);
             if (endConversationCheckBox.isChecked()) {
-                this.activity.endConversation(conversation);
+                this.activity.onConversationArchived(conversation);
             } else {
-                activity.updateConversationList();
+                activity.onConversationsListItemUpdated();
                 updateMessages();
             }
         });
@@ -1625,7 +1631,7 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
     private void deleteFile(Message message) {
         if (activity.xmppConnectionService.getFileBackend().deleteFile(message)) {
             message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
-            activity.updateConversationList();
+            activity.onConversationsListItemUpdated();
             updateMessages();
         }
     }
@@ -1648,7 +1654,7 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
             } else {
                 Toast.makeText(activity, R.string.file_deleted, Toast.LENGTH_SHORT).show();
                 message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
-                activity.updateConversationList();
+                activity.onConversationsListItemUpdated();
                 updateMessages();
                 return;
             }
@@ -1693,7 +1699,7 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
 
     private void retryDecryption(Message message) {
         message.setEncryption(Message.ENCRYPTION_PGP);
-        activity.updateConversationList();
+        activity.onConversationsListItemUpdated();
         updateMessages();
         conversation.getAccount().getPgpDecryptionService().decrypt(message, false);
     }
@@ -1748,6 +1754,32 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
     }
 
     @Override
+    public void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+        if (conversation != null) {
+            outState.putString(STATE_CONVERSATION_UUID, conversation.getUuid());
+        }
+    }
+
+    @Override
+    public void onActivityCreated(Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+        if (savedInstanceState == null) {
+            return;
+        }
+        String uuid = savedInstanceState.getString(STATE_CONVERSATION_UUID);
+        if (uuid != null) {
+            this.pendingConversationsUuid.push(uuid);
+        }
+    }
+
+    @Override
+    public void onStart() {
+        super.onStart();
+        reInit(conversation);
+    }
+
+    @Override
     public void onStop() {
         super.onStop();
         final Activity activity = getActivity();
@@ -1772,9 +1804,17 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
     }
 
     public boolean reInit(Conversation conversation) {
+        Log.d(Config.LOGTAG, "reInit()");
         if (conversation == null) {
+            Log.d(Config.LOGTAG, "conversation was null :(");
             return false;
         }
+        if (this.activity == null) {
+            Log.d(Config.LOGTAG, "activity was null");
+            this.conversation = conversation;
+            return false;
+        }
+
         setupIme();
         if (this.conversation != null) {
             final String msg = this.binding.textinput.getText().toString();
@@ -1799,6 +1839,13 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
         this.binding.textinput.setKeyboardListener(this);
         messageListAdapter.updatePreferences();
         this.binding.messagesView.setAdapter(messageListAdapter);
+        this.binding.messagesView.setOnTouchListener(new OnSwipeTouchListener(getContext()) {
+            @Override
+            public void onSwipeRight() {
+                Log.d(Config.LOGTAG, "Swipe right detected");
+                activity.onBackPressed();
+            }
+        });
         updateMessages();
         this.conversation.messagesLoaded.set(true);
         synchronized (this.messageList) {
@@ -1947,15 +1994,14 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
             if (getView() == null) {
                 return;
             }
-            final ConversationActivity activity = (ConversationActivity) getActivity();
             if (this.conversation != null) {
                 conversation.populateWithMessages(ConversationFragment.this.messageList);
                 updateSnackBar(conversation);
                 updateStatusMessages();
                 this.messageListAdapter.notifyDataSetChanged();
                 updateChatMsgHint();
-                if (!activity.isConversationsOverviewVisable() || !activity.isConversationsOverviewHideable()) {
-                    activity.sendReadMarkerIfNecessary(conversation);
+                if (activity != null) {
+                    activity.onConversationRead(this.conversation);
                 }
                 updateSendButton();
                 updateEditablity();
@@ -1988,6 +2034,11 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
         mSendingPgpMessage.set(false);
     }
 
+    public long getMaxHttpUploadSize(Conversation conversation) {
+        final XmppConnection connection = conversation.getAccount().getXmppConnection();
+        return connection == null ? -1 : connection.getFeatures().getMaxHttpUploadSize();
+    }
+
     private void updateEditablity() {
         boolean canWrite = this.conversation.getMode() == Conversation.MODE_SINGLE || this.conversation.getMucOptions().participating() || this.conversation.getNextCounterpart() != null;
         this.binding.textinput.setFocusable(canWrite);
@@ -1997,11 +2048,12 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
     }
 
     public void updateSendButton() {
+        boolean useSendButtonToIndicateStatus = PreferenceManager.getDefaultSharedPreferences(getActivity()).getBoolean("send_button_status", getResources().getBoolean(R.bool.send_button_status));
         final Conversation c = this.conversation;
         final Presence.Status status;
         final String text = this.binding.textinput == null ? "" : this.binding.textinput.getText().toString();
         final SendButtonAction action = SendButtonTool.getAction(getActivity(), c, text);
-        if (activity.useSendButtonToIndicateStatus() && c.getAccount().getStatus() == Account.State.ONLINE) {
+        if (useSendButtonToIndicateStatus && c.getAccount().getStatus() == Account.State.ONLINE) {
             if (activity.xmppConnectionService != null && activity.xmppConnectionService.getMessageArchiveService().isCatchingUp(c)) {
                 status = Presence.Status.OFFLINE;
             } else if (c.getMode() == Conversation.MODE_SINGLE) {
@@ -2166,13 +2218,11 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
     }
 
     protected void sendPlainTextMessage(Message message) {
-        ConversationActivity activity = (ConversationActivity) getActivity();
         activity.xmppConnectionService.sendMessage(message);
         messageSent();
     }
 
     protected void sendPgpMessage(final Message message) {
-        final ConversationActivity activity = (ConversationActivity) getActivity();
         final XmppConnectionService xmppService = activity.xmppConnectionService;
         final Contact contact = message.getConversation().getContact();
         if (!activity.hasPgp()) {
@@ -2193,7 +2243,7 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
 
                             @Override
                             public void userInputRequried(PendingIntent pi, Contact contact) {
-                                activity.runIntent(pi, REQUEST_ENCRYPT_MESSAGE);
+                                startPendingIntent(pi, REQUEST_ENCRYPT_MESSAGE);
                             }
 
                             @Override
@@ -2251,7 +2301,7 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
 
                     @Override
                     public void userInputRequried(PendingIntent pi, Message message) {
-                        activity.runIntent(pi, REQUEST_SEND_MESSAGE);
+                        startPendingIntent(pi, REQUEST_SEND_MESSAGE);
                     }
 
                     @Override
@@ -2288,9 +2338,7 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
     }
 
     protected void sendAxolotlMessage(final Message message) {
-        final ConversationActivity activity = (ConversationActivity) getActivity();
-        final XmppConnectionService xmppService = activity.xmppConnectionService;
-        xmppService.sendMessage(message);
+        activity.xmppConnectionService.sendMessage(message);
         messageSent();
     }
 
@@ -2318,7 +2366,9 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
 
     @Override
     public boolean onEnterPressed() {
-        if (activity.enterIsSend()) {
+        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(getActivity());
+        final boolean enterIsSend = p.getBoolean("enter_is_send", getResources().getBoolean(R.bool.enter_is_send));
+        if (enterIsSend) {
             sendMessage();
             return true;
         } else {
@@ -2336,7 +2386,6 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
         if (broadcastLastActivity) {
             activity.xmppConnectionService.sendPresence(conversation.getAccount(), false); //send new presence but don't include idle because we are not
         }
-        activity.hideConversationsOverview();
         updateSendButton();
     }
 
@@ -2474,17 +2523,44 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
         return m != null && m.getMergedBody().toString().toLowerCase().contains(q.toLowerCase());
     }
 
+    private void startPendingIntent(PendingIntent pendingIntent, int requestCode) {
+        try {
+            getActivity().startIntentSenderForResult(pendingIntent.getIntentSender(), requestCode, null, 0, 0, 0);
+        } catch (final SendIntentException ignored) {
+        }
+    }
+
+    @Override
     public void onBackendConnected() {
-        if (postponedActivityResult != null) {
-            handleActivityResult(postponedActivityResult);
+        Log.d(Config.LOGTAG, "ConversationFragment.onBackendConnected()");
+        String uuid = pendingConversationsUuid.pop();
+        if (uuid != null) {
+            Conversation conversation = activity.xmppConnectionService.findConversationByUuid(uuid);
+            if (conversation == null) {
+                Log.d(Config.LOGTAG, "unable to restore activity");
+                clearPending();
+                return;
+            }
+            reInit(conversation);
         }
-        postponedActivityResult = null;
+        ActivityResult activityResult = postponedActivityResult.pop();
+        if (activityResult != null) {
+            handleActivityResult(activityResult);
+        }
+    }
+
+    @Override
+    void refresh() {
+
     }
 
     public void clearPending() {
-        if (postponedActivityResult != null) {
+        if (postponedActivityResult.pop() != null) {
             Log.d(Config.LOGTAG, "cleared pending intent with unhandled result left");
         }
-        postponedActivityResult = null;
+    }
+
+    public Conversation getConversation() {
+        return conversation;
     }
 }
diff --git a/src/main/java/de/pixart/messenger/ui/ConversationsMainActivity.java b/src/main/java/de/pixart/messenger/ui/ConversationsMainActivity.java
new file mode 100644
index 000000000..14570af97
--- /dev/null
+++ b/src/main/java/de/pixart/messenger/ui/ConversationsMainActivity.java
@@ -0,0 +1,239 @@
+/*
+ * Copyright (c) 2018, Daniel Gultsch All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation and/or
+ * other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package de.pixart.messenger.ui;
+
+import android.app.Fragment;
+import android.app.FragmentManager;
+import android.app.FragmentTransaction;
+import android.content.Intent;
+import android.databinding.DataBindingUtil;
+import android.os.Bundle;
+import android.support.annotation.IdRes;
+import android.support.v7.app.ActionBar;
+import android.util.Log;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.PopupMenu;
+import android.widget.Toast;
+
+import net.java.otr4j.session.SessionStatus;
+
+import de.pixart.messenger.Config;
+import de.pixart.messenger.R;
+import de.pixart.messenger.databinding.ActivityConversationsBinding;
+import de.pixart.messenger.entities.Conversation;
+import de.pixart.messenger.services.EmojiService;
+import de.pixart.messenger.ui.interfaces.OnConversationArchived;
+import de.pixart.messenger.ui.interfaces.OnConversationRead;
+import de.pixart.messenger.ui.interfaces.OnConversationSelected;
+import de.pixart.messenger.ui.interfaces.OnConversationsListItemUpdated;
+
+import static de.pixart.messenger.ui.SettingsActivity.USE_BUNDLED_EMOJIS;
+
+public class ConversationsMainActivity extends XmppActivity implements OnConversationSelected, OnConversationArchived, OnConversationsListItemUpdated, OnConversationRead {
+
+    private ActivityConversationsBinding binding;
+
+    @Override
+    protected void refreshUiReal() {
+
+    }
+
+    @Override
+    void onBackendConnected() {
+        notifyFragment(R.id.main_fragment);
+        notifyFragment(R.id.secondary_fragment);
+        invalidateActionBarTitle();
+    }
+
+    private void notifyFragment(@IdRes int id) {
+        Fragment mainFragment = getFragmentManager().findFragmentById(id);
+        if (mainFragment != null && mainFragment instanceof XmppFragment) {
+            ((XmppFragment) mainFragment).onBackendConnected();
+        }
+    }
+
+    @Override
+    protected void onCreate(final Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        new EmojiService(this).init(useBundledEmoji());
+        this.binding = DataBindingUtil.setContentView(this, R.layout.activity_conversations);
+        this.getFragmentManager().addOnBackStackChangedListener(this::invalidateActionBarTitle);
+        this.initializeFragments();
+        this.invalidateActionBarTitle();
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        getMenuInflater().inflate(R.menu.activity_conversations, menu);
+        return super.onCreateOptionsMenu(menu);
+    }
+
+    @Override
+    public void onConversationSelected(Conversation conversation) {
+        Log.d(Config.LOGTAG, "selected " + conversation.getName());
+        ConversationFragment conversationFragment = (ConversationFragment) getFragmentManager().findFragmentById(R.id.secondary_fragment);
+        if (conversationFragment == null) {
+            conversationFragment = new ConversationFragment();
+            FragmentTransaction fragmentTransaction = getFragmentManager().beginTransaction();
+            fragmentTransaction.replace(R.id.main_fragment, conversationFragment);
+            fragmentTransaction.addToBackStack(null);
+            fragmentTransaction.commit();
+        }
+        conversationFragment.reInit(conversation);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case android.R.id.home:
+                FragmentManager fm = getFragmentManager();
+                if (fm.getBackStackEntryCount() > 0) {
+                    fm.popBackStack();
+                    return true;
+                }
+                break;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+
+    private void initializeFragments() {
+        FragmentTransaction transaction = getFragmentManager().beginTransaction();
+        Fragment mainFragment = getFragmentManager().findFragmentById(R.id.main_fragment);
+        Fragment secondaryFragment = getFragmentManager().findFragmentById(R.id.secondary_fragment);
+        if (mainFragment != null) {
+            Log.d(Config.LOGTAG, "initializeFragment(). main fragment exists");
+            if (binding.secondaryFragment != null) {
+                if (mainFragment instanceof ConversationFragment) {
+                    Log.d(Config.LOGTAG, "gained secondary fragment. moving...");
+                    getFragmentManager().popBackStack();
+                    transaction.remove(mainFragment);
+                    transaction.commit();
+                    getFragmentManager().executePendingTransactions();
+                    transaction = getFragmentManager().beginTransaction();
+                    transaction.replace(R.id.secondary_fragment, mainFragment);
+                    transaction.replace(R.id.main_fragment, new ConversationsOverviewFragment());
+                    transaction.commit();
+                    return;
+                }
+            } else {
+                if (secondaryFragment != null && secondaryFragment instanceof ConversationFragment) {
+                    Log.d(Config.LOGTAG, "lost secondary fragment. moving...");
+                    transaction.remove(secondaryFragment);
+                    transaction.commit();
+                    getFragmentManager().executePendingTransactions();
+                    transaction = getFragmentManager().beginTransaction();
+                    transaction.replace(R.id.main_fragment, secondaryFragment);
+                    transaction.addToBackStack(null);
+                    transaction.commit();
+                    return;
+                }
+            }
+        } else {
+            transaction.replace(R.id.main_fragment, new ConversationsOverviewFragment());
+        }
+        if (binding.secondaryFragment != null) {
+            transaction.replace(R.id.secondary_fragment, new ConversationFragment());
+        }
+        transaction.commit();
+    }
+
+    private void invalidateActionBarTitle() {
+        final ActionBar actionBar = getSupportActionBar();
+        if (actionBar != null) {
+            Fragment mainFragment = getFragmentManager().findFragmentById(R.id.main_fragment);
+            if (mainFragment != null && mainFragment instanceof ConversationFragment) {
+                final Conversation conversation = ((ConversationFragment) mainFragment).getConversation();
+                if (conversation != null) {
+                    actionBar.setTitle(conversation.getName());
+                    actionBar.setDisplayHomeAsUpEnabled(true);
+                    return;
+                }
+            }
+            actionBar.setTitle(R.string.app_name);
+            actionBar.setDisplayHomeAsUpEnabled(false);
+        }
+    }
+
+    public boolean useBundledEmoji() {
+        return getPreferences().getBoolean(USE_BUNDLED_EMOJIS, getResources().getBoolean(R.bool.use_bundled_emoji));
+    }
+
+    public void verifyOtrSessionDialog(final Conversation conversation, View view) {
+        if (!conversation.hasValidOtrSession() || conversation.getOtrSession().getSessionStatus() != SessionStatus.ENCRYPTED) {
+            Toast.makeText(this, R.string.otr_session_not_started, Toast.LENGTH_LONG).show();
+            return;
+        }
+        if (view == null) {
+            return;
+        }
+        PopupMenu popup = new PopupMenu(this, view);
+        popup.inflate(R.menu.verification_choices);
+        popup.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
+            @Override
+            public boolean onMenuItemClick(MenuItem menuItem) {
+                Intent intent = new Intent(ConversationsMainActivity.this, VerifyOTRActivity.class);
+                intent.setAction(VerifyOTRActivity.ACTION_VERIFY_CONTACT);
+                intent.putExtra("contact", conversation.getContact().getJid().toBareJid().toString());
+                intent.putExtra(EXTRA_ACCOUNT, conversation.getAccount().getJid().toBareJid().toString());
+                switch (menuItem.getItemId()) {
+                    case R.id.scan_fingerprint:
+                        intent.putExtra("mode", VerifyOTRActivity.MODE_SCAN_FINGERPRINT);
+                        break;
+                    case R.id.ask_question:
+                        intent.putExtra("mode", VerifyOTRActivity.MODE_ASK_QUESTION);
+                        break;
+                    case R.id.manual_verification:
+                        intent.putExtra("mode", VerifyOTRActivity.MODE_MANUAL_VERIFICATION);
+                        break;
+                }
+                startActivity(intent);
+                return true;
+            }
+        });
+        popup.show();
+    }
+
+    @Override
+    public void onConversationArchived(Conversation conversation) {
+
+    }
+
+    @Override
+    public void onConversationsListItemUpdated() {
+
+    }
+
+    @Override
+    public void onConversationRead(Conversation conversation) {
+        Log.d(Config.LOGTAG, "read event for " + conversation.getName() + " received");
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/de/pixart/messenger/ui/ConversationsOverviewFragment.java b/src/main/java/de/pixart/messenger/ui/ConversationsOverviewFragment.java
new file mode 100644
index 000000000..649bb09a2
--- /dev/null
+++ b/src/main/java/de/pixart/messenger/ui/ConversationsOverviewFragment.java
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2018, Daniel Gultsch All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation and/or
+ * other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package de.pixart.messenger.ui;
+
+import android.app.Activity;
+import android.databinding.DataBindingUtil;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import de.pixart.messenger.Config;
+import de.pixart.messenger.R;
+import de.pixart.messenger.databinding.FragmentConversationsOverviewBinding;
+import de.pixart.messenger.entities.Conversation;
+import de.pixart.messenger.ui.adapter.ConversationAdapter;
+import de.pixart.messenger.ui.interfaces.OnConversationSelected;
+
+public class ConversationsOverviewFragment extends XmppFragment {
+
+    private final List<Conversation> conversations = new ArrayList<>();
+    private FragmentConversationsOverviewBinding binding;
+    private ConversationAdapter conversationsAdapter;
+    private XmppActivity activity;
+
+    @Override
+    public void onAttach(Activity activity) {
+        super.onAttach(activity);
+        Log.d(Config.LOGTAG, "on attach");
+        if (activity instanceof XmppActivity) {
+            this.activity = (XmppActivity) activity;
+        } else {
+            throw new IllegalStateException("Trying to attach fragment to activity that is not an XmppActivity");
+        }
+    }
+
+    @Override
+    public View onCreateView(final LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        Log.d(Config.LOGTAG, "onCreateView");
+        this.binding = DataBindingUtil.inflate(inflater, R.layout.fragment_conversations_overview, container, false);
+        this.binding.fab.setOnClickListener((view) -> StartConversationActivity.launch(getActivity()));
+
+        this.conversationsAdapter = new ConversationAdapter(this.activity, this.conversations);
+        this.binding.list.setAdapter(this.conversationsAdapter);
+        this.binding.list.setOnItemClickListener((parent, view, position, id) -> {
+            Conversation conversation = this.conversations.get(position);
+            if (activity instanceof OnConversationSelected) {
+                ((OnConversationSelected) activity).onConversationSelected(conversation);
+            } else {
+                Log.w(ConversationsOverviewFragment.class.getCanonicalName(), "Activity does not implement OnConversationSelected");
+            }
+        });
+
+        return binding.getRoot();
+    }
+
+    @Override
+    void onBackendConnected() {
+        Log.d(Config.LOGTAG, "nice!");
+        refresh();
+    }
+
+    @Override
+    public void onStart() {
+        super.onStart();
+        Log.d(Config.LOGTAG, "ConversationsOverviewFragment.onStart()");
+        if (activity.xmppConnectionService != null) {
+            refresh();
+        }
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        Log.d(Config.LOGTAG, "ConversationsOverviewFragment.onResume()");
+    }
+
+    @Override
+    void refresh() {
+        this.activity.xmppConnectionService.populateWithOrderedConversations(this.conversations);
+        this.conversationsAdapter.notifyDataSetChanged();
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/de/pixart/messenger/ui/StartConversationActivity.java b/src/main/java/de/pixart/messenger/ui/StartConversationActivity.java
index 540673242..5c88dc0d2 100644
--- a/src/main/java/de/pixart/messenger/ui/StartConversationActivity.java
+++ b/src/main/java/de/pixart/messenger/ui/StartConversationActivity.java
@@ -962,6 +962,11 @@ public class StartConversationActivity extends XmppActivity implements OnRosterU
         invalidateOptionsMenu();
     }
 
+    public static void launch(Context context) {
+        final Intent intent = new Intent(context, StartConversationActivity.class);
+        context.startActivity(intent);
+    }
+
     @Override
     public void OnUpdateBlocklist(final Status status) {
         refreshUi();
diff --git a/src/main/java/de/pixart/messenger/ui/StartUI.java b/src/main/java/de/pixart/messenger/ui/StartUI.java
index 08bd844ba..78a5754cd 100644
--- a/src/main/java/de/pixart/messenger/ui/StartUI.java
+++ b/src/main/java/de/pixart/messenger/ui/StartUI.java
@@ -44,7 +44,7 @@ public class StartUI extends AppCompatActivity
         if (EasyPermissions.hasPermissions(this, perms)) {
             // Already have permission, start ConversationsActivity
             Log.d(Config.LOGTAG, "All permissions granted, starting " + getString(R.string.app_name) + "(" + FirstStartTime + ")");
-            Intent intent = new Intent(this, ConversationActivity.class);
+            Intent intent = new Intent(this, ConversationsMainActivity.class);
             intent.putExtra(PREF_FIRST_START, FirstStartTime);
             startActivity(intent);
             finish();
diff --git a/src/main/java/de/pixart/messenger/ui/XmppFragment.java b/src/main/java/de/pixart/messenger/ui/XmppFragment.java
new file mode 100644
index 000000000..7c2eeb661
--- /dev/null
+++ b/src/main/java/de/pixart/messenger/ui/XmppFragment.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2018, Daniel Gultsch All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation and/or
+ * other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package de.pixart.messenger.ui;
+
+import android.app.Fragment;
+
+public abstract class XmppFragment extends Fragment {
+
+    abstract void onBackendConnected();
+
+    abstract void refresh();
+}
\ No newline at end of file
diff --git a/src/main/java/de/pixart/messenger/ui/adapter/MessageAdapter.java b/src/main/java/de/pixart/messenger/ui/adapter/MessageAdapter.java
index 45fbaf50e..ba240192f 100644
--- a/src/main/java/de/pixart/messenger/ui/adapter/MessageAdapter.java
+++ b/src/main/java/de/pixart/messenger/ui/adapter/MessageAdapter.java
@@ -2,6 +2,7 @@ package de.pixart.messenger.ui.adapter;
 
 import android.content.ActivityNotFoundException;
 import android.content.Intent;
+import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.content.res.Resources;
@@ -12,6 +13,7 @@ import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.os.AsyncTask;
+import android.preference.PreferenceManager;
 import android.support.annotation.ColorInt;
 import android.support.v4.content.ContextCompat;
 import android.text.Spannable;
@@ -68,8 +70,9 @@ import de.pixart.messenger.persistance.FileBackend;
 import de.pixart.messenger.services.AudioPlayer;
 import de.pixart.messenger.services.MessageArchiveService;
 import de.pixart.messenger.services.NotificationService;
-import de.pixart.messenger.ui.ConversationActivity;
+import de.pixart.messenger.ui.ConversationFragment;
 import de.pixart.messenger.ui.ShowFullscreenMessageActivity;
+import de.pixart.messenger.ui.XmppActivity;
 import de.pixart.messenger.ui.text.DividerSpan;
 import de.pixart.messenger.ui.text.FixedURLSpan;
 import de.pixart.messenger.ui.text.QuoteSpan;
@@ -88,6 +91,8 @@ import de.pixart.messenger.xmpp.mam.MamReference;
 
 public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextView.CopyHandler {
 
+    ConversationFragment mConversationFragment;
+
     private static final int SENT = 0;
     private static final int RECEIVED = 1;
     private static final int STATUS = 2;
@@ -131,7 +136,7 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
         }
     };
 
-    private final ConversationActivity activity;
+    private final XmppActivity activity;
 
     private DisplayMetrics metrics;
 
@@ -144,7 +149,7 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
     public final AudioPlayer audioPlayer;
     private boolean mUseWhiteBackground = false;
 
-    public MessageAdapter(ConversationActivity activity, List<Message> messages) {
+    public MessageAdapter(XmppActivity activity, List<Message> messages) {
         super(activity, 0, messages);
         this.audioPlayer = new AudioPlayer(this);
         this.activity = activity;
@@ -296,7 +301,7 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
 
                 @Override
                 public void onClick(View v) {
-                    activity.mConversationFragment.resendMessage(mMessage);
+                    mConversationFragment.resendMessage(mMessage);
                 }
             });
         } else if (!error && type == SENT) {
@@ -493,16 +498,18 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
             final String nick = UIHelper.getMessageDisplayName(message);
             SpannableStringBuilder body = message.getMergedBody();
             boolean hasMeCommand = message.hasMeCommand();
-            String searchQuery = activity.mConversationFragment.binding.searchfieldInput.getText().toString().toLowerCase().trim();
-            if (((!searchQuery.isEmpty() || !searchQuery.contains("")) && searchQuery.length() >= 3) && body.toString().toLowerCase().contains(searchQuery)) {
-                int ofe = body.toString().toLowerCase().indexOf(searchQuery, 0);
-                for (int ofs = 0; ofs < body.length() && ofe != -1; ofs = ofe + 1) {
-                    ofe = body.toString().toLowerCase().indexOf(searchQuery, ofs);
-                    if (ofe == -1) {
-                        break;
-                    } else {
-                        body.setSpan(new StyleSpan(Typeface.BOLD), ofe, ofe + searchQuery.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
-                        body.setSpan(new BackgroundColorSpan(0xFFFFFF00), ofe, ofe + searchQuery.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
+            if (mConversationFragment != null) {
+                String searchQuery = mConversationFragment.binding.searchfieldInput.getText().toString().toLowerCase().trim();
+                if (((!searchQuery.isEmpty() || !searchQuery.contains("")) && searchQuery.length() >= 3) && body.toString().toLowerCase().contains(searchQuery)) {
+                    int ofe = body.toString().toLowerCase().indexOf(searchQuery, 0);
+                    for (int ofs = 0; ofs < body.length() && ofe != -1; ofs = ofe + 1) {
+                        ofe = body.toString().toLowerCase().indexOf(searchQuery, ofs);
+                        if (ofe == -1) {
+                            break;
+                        } else {
+                            body.setSpan(new StyleSpan(Typeface.BOLD), ofe, ofe + searchQuery.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
+                            body.setSpan(new BackgroundColorSpan(0xFFFFFF00), ofe, ofe + searchQuery.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
+                        }
                     }
                 }
             }
@@ -594,7 +601,7 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
 
             @Override
             public void onClick(View v) {
-                activity.mConversationFragment.startDownloadable(message);
+                mConversationFragment.startDownloadable(message);
             }
         });
     }
@@ -1171,8 +1178,9 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
     }
 
     public void updatePreferences() {
-        this.mIndicateReceived = activity.indicateReceived();
-        this.mUseWhiteBackground = activity.useWhiteBackground();
+        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
+        this.mIndicateReceived = p.getBoolean("indicate_received", activity.getResources().getBoolean(R.bool.indicate_received));
+        this.mUseWhiteBackground = p.getBoolean("use_white_background", activity.getResources().getBoolean(R.bool.use_white_background));
     }
 
     public TextView getMessageBody(View view) {
diff --git a/src/main/java/de/pixart/messenger/ui/interfaces/OnConversationArchived.java b/src/main/java/de/pixart/messenger/ui/interfaces/OnConversationArchived.java
new file mode 100644
index 000000000..beb01e690
--- /dev/null
+++ b/src/main/java/de/pixart/messenger/ui/interfaces/OnConversationArchived.java
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2018, Daniel Gultsch All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation and/or
+ * other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package de.pixart.messenger.ui.interfaces;
+
+import de.pixart.messenger.entities.Conversation;
+
+public interface OnConversationArchived {
+    void onConversationArchived(Conversation conversation);
+}
\ No newline at end of file
diff --git a/src/main/java/de/pixart/messenger/ui/interfaces/OnConversationRead.java b/src/main/java/de/pixart/messenger/ui/interfaces/OnConversationRead.java
new file mode 100644
index 000000000..ab5cc607d
--- /dev/null
+++ b/src/main/java/de/pixart/messenger/ui/interfaces/OnConversationRead.java
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2018, Daniel Gultsch All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation and/or
+ * other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package de.pixart.messenger.ui.interfaces;
+
+import de.pixart.messenger.entities.Conversation;
+
+public interface OnConversationRead {
+    void onConversationRead(Conversation conversation);
+}
\ No newline at end of file
diff --git a/src/main/java/de/pixart/messenger/ui/interfaces/OnConversationSelected.java b/src/main/java/de/pixart/messenger/ui/interfaces/OnConversationSelected.java
new file mode 100644
index 000000000..bd40a22fc
--- /dev/null
+++ b/src/main/java/de/pixart/messenger/ui/interfaces/OnConversationSelected.java
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2018, Daniel Gultsch All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation and/or
+ * other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package de.pixart.messenger.ui.interfaces;
+
+import de.pixart.messenger.entities.Conversation;
+
+public interface OnConversationSelected {
+    void onConversationSelected(Conversation conversation);
+}
diff --git a/src/main/java/de/pixart/messenger/ui/interfaces/OnConversationsListItemUpdated.java b/src/main/java/de/pixart/messenger/ui/interfaces/OnConversationsListItemUpdated.java
new file mode 100644
index 000000000..5e509dd54
--- /dev/null
+++ b/src/main/java/de/pixart/messenger/ui/interfaces/OnConversationsListItemUpdated.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2018, Daniel Gultsch All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation and/or
+ * other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package de.pixart.messenger.ui.interfaces;
+
+public interface OnConversationsListItemUpdated {
+    void onConversationsListItemUpdated();
+}
\ No newline at end of file
diff --git a/src/main/java/de/pixart/messenger/ui/interfaces/OnSwipeTouchListener.java b/src/main/java/de/pixart/messenger/ui/interfaces/OnSwipeTouchListener.java
new file mode 100644
index 000000000..513e0a606
--- /dev/null
+++ b/src/main/java/de/pixart/messenger/ui/interfaces/OnSwipeTouchListener.java
@@ -0,0 +1,57 @@
+package de.pixart.messenger.ui.interfaces;
+
+import android.content.Context;
+import android.util.Log;
+import android.view.GestureDetector;
+import android.view.MotionEvent;
+import android.view.View;
+
+import de.pixart.messenger.Config;
+
+public class OnSwipeTouchListener implements View.OnTouchListener {
+
+    private final GestureDetector gestureDetector;
+
+    public OnSwipeTouchListener(Context context) {
+        gestureDetector = new GestureDetector(context, new GestureListener());
+    }
+
+    public void onSwipeLeft() {
+    }
+
+    public void onSwipeRight() {
+    }
+
+    public boolean onTouch(View v, MotionEvent event) {
+        return gestureDetector.onTouchEvent(event);
+    }
+
+    private final class GestureListener extends GestureDetector.SimpleOnGestureListener {
+
+        private static final int SWIPE_DISTANCE_THRESHOLD = 100;
+        private static final int SWIPE_VELOCITY_THRESHOLD = 100;
+
+        @Override
+        public boolean onDown(MotionEvent e) {
+            return true;
+        }
+
+        @Override
+        public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
+            if (e1 == null || e2 == null) {
+                Log.d(Config.LOGTAG, "Error MotionEvent");
+                return false;
+            }
+            float distanceX = e2.getX() - e1.getX();
+            float distanceY = e2.getY() - e1.getY();
+            if (Math.abs(distanceX) > Math.abs(distanceY) && Math.abs(distanceX) > SWIPE_DISTANCE_THRESHOLD && Math.abs(velocityX) > SWIPE_VELOCITY_THRESHOLD) {
+                if (distanceX > 0)
+                    onSwipeRight();
+                else
+                    onSwipeLeft();
+                return true;
+            }
+            return false;
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/de/pixart/messenger/ui/util/PendingItem.java b/src/main/java/de/pixart/messenger/ui/util/PendingItem.java
new file mode 100644
index 000000000..772f5e7e1
--- /dev/null
+++ b/src/main/java/de/pixart/messenger/ui/util/PendingItem.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2018, Daniel Gultsch All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation and/or
+ * other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package de.pixart.messenger.ui.util;
+
+public class PendingItem<T> {
+
+    private T item = null;
+
+    public synchronized void push(T item) {
+        this.item = item;
+    }
+
+    public synchronized T pop() {
+        final T item = this.item;
+        this.item = null;
+        return item;
+    }
+}
\ No newline at end of file