Refactoring

app/src/main/java/eu/faircode/email/AdapterAttachment.java

@@ -150,7 +150,21 @@ public class AdapterAttachment extends RecyclerView.Adapter<AdapterAttachment.Vi
                 return;
             final EntityAttachment attachment = filtered.get(pos);
 
-            if (view.getId() == R.id.ivDelete) {
+            if (view.getId() == R.id.ivDelete)
+                onDelete(attachment);
+            else if (view.getId() == R.id.ivSave)
+                onSave(attachment);
+            else {
+                if (attachment.available)
+                    onShare(attachment);
+                else {
+                    if (attachment.progress == null)
+                        onDownload(attachment);
+                }
+            }
+        }
+
+        private void onDelete(final EntityAttachment attachment) {
             Bundle args = new Bundle();
             args.putLong("id", attachment.id);
 
@@ -167,17 +181,18 @@ public class AdapterAttachment extends RecyclerView.Adapter<AdapterAttachment.Vi
                     Helper.unexpectedError(context, owner, ex);
                 }
             }.execute(context, owner, args, "attachment:delete");
+        }
 
-            } else if (view.getId() == R.id.ivSave) {
+        private void onSave(EntityAttachment attachment) {
             LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(context);
             lbm.sendBroadcast(
                     new Intent(ActivityView.ACTION_STORE_ATTACHMENT)
                             .putExtra("id", attachment.id)
                             .putExtra("name", attachment.name)
                             .putExtra("type", attachment.type));
+        }
 
-            } else {
-                if (attachment.available) {
+        private void onShare(EntityAttachment attachment) {
             // Build file name
             File file = EntityAttachment.getFile(context, attachment.id);
 
@@ -243,8 +258,9 @@ public class AdapterAttachment extends RecyclerView.Adapter<AdapterAttachment.Vi
                 dialog.show();
             } else
                 context.startActivity(intent);
-                } else {
-                    if (attachment.progress == null) {
+        }
+
+        private void onDownload(EntityAttachment attachment) {
             Bundle args = new Bundle();
             args.putLong("id", attachment.id);
             args.putLong("message", attachment.message);
@@ -280,9 +296,6 @@ public class AdapterAttachment extends RecyclerView.Adapter<AdapterAttachment.Vi
                 }
             }.execute(context, owner, args, "attachment:fetch");
         }
-                }
-            }
-        }
 
         private class NameResolveInfo {
             Drawable icon;

app/src/main/java/eu/faircode/email/FragmentAccount.java

@@ -267,43 +267,7 @@ public class FragmentAccount extends FragmentBase {
         btnAutoConfig.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                Bundle args = new Bundle();
-                args.putString("domain", etDomain.getText().toString());
-
-                new SimpleTask<EmailProvider>() {
-                    @Override
-                    protected void onPreExecute(Bundle args) {
-                        etDomain.setEnabled(false);
-                        btnAutoConfig.setEnabled(false);
-                    }
-
-                    @Override
-                    protected void onPostExecute(Bundle args) {
-                        etDomain.setEnabled(true);
-                        btnAutoConfig.setEnabled(true);
-                    }
-
-                    @Override
-                    protected EmailProvider onExecute(Context context, Bundle args) throws Throwable {
-                        String domain = args.getString("domain");
-                        return EmailProvider.fromDomain(context, domain);
-                    }
-
-                    @Override
-                    protected void onExecuted(Bundle args, EmailProvider provider) {
-                        etHost.setText(provider.imap_host);
-                        etPort.setText(Integer.toString(provider.imap_port));
-                        cbStartTls.setChecked(provider.imap_starttls);
-                    }
-
-                    @Override
-                    protected void onException(Bundle args, Throwable ex) {
-                        if (ex instanceof IllegalArgumentException || ex instanceof UnknownHostException)
-                            Snackbar.make(view, ex.getMessage(), Snackbar.LENGTH_LONG).show();
-                        else
-                            Helper.unexpectedError(getContext(), getViewLifecycleOwner(), ex);
-                    }
-                }.execute(FragmentAccount.this, args, "account:config");
+                onAutoConfig();
             }
         });
 
@@ -418,6 +382,96 @@ public class FragmentAccount extends FragmentBase {
         btnCheck.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
+                onCheck();
+            }
+        });
+
+        btnSave.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                onSave();
+            }
+        });
+
+        adapter = new ArrayAdapter<>(getContext(), R.layout.spinner_item1, android.R.id.text1, new ArrayList<EntityFolder>());
+        adapter.setDropDownViewResource(R.layout.spinner_item1_dropdown);
+
+        spDrafts.setAdapter(adapter);
+        spSent.setAdapter(adapter);
+        spAll.setAdapter(adapter);
+        spTrash.setAdapter(adapter);
+        spJunk.setAdapter(adapter);
+
+        // Initialize
+        Helper.setViewsEnabled(view, false);
+
+        btnAutoConfig.setEnabled(false);
+
+        btnAuthorize.setVisibility(View.GONE);
+        cbStartTls.setVisibility(View.GONE);
+        cbInsecure.setVisibility(View.GONE);
+        tilPassword.setPasswordVisibilityToggleEnabled(id < 0);
+
+        btnAdvanced.setVisibility(View.GONE);
+
+        tvIdle.setVisibility(View.GONE);
+
+        btnCheck.setVisibility(View.GONE);
+        pbCheck.setVisibility(View.GONE);
+
+        btnSave.setVisibility(View.GONE);
+        pbSave.setVisibility(View.GONE);
+        tvError.setVisibility(View.GONE);
+
+        grpServer.setVisibility(View.GONE);
+        grpAuthorize.setVisibility(View.GONE);
+        grpAdvanced.setVisibility(View.GONE);
+        grpFolders.setVisibility(View.GONE);
+
+        return view;
+    }
+
+    private void onAutoConfig() {
+        Bundle args = new Bundle();
+        args.putString("domain", etDomain.getText().toString());
+
+        new SimpleTask<EmailProvider>() {
+            @Override
+            protected void onPreExecute(Bundle args) {
+                etDomain.setEnabled(false);
+                btnAutoConfig.setEnabled(false);
+            }
+
+            @Override
+            protected void onPostExecute(Bundle args) {
+                etDomain.setEnabled(true);
+                btnAutoConfig.setEnabled(true);
+            }
+
+            @Override
+            protected EmailProvider onExecute(Context context, Bundle args) throws Throwable {
+                String domain = args.getString("domain");
+                return EmailProvider.fromDomain(context, domain);
+            }
+
+            @Override
+            protected void onExecuted(Bundle args, EmailProvider provider) {
+                etHost.setText(provider.imap_host);
+                etPort.setText(Integer.toString(provider.imap_port));
+                cbStartTls.setChecked(provider.imap_starttls);
+            }
+
+            @Override
+            protected void onException(Bundle args, Throwable ex) {
+                if (ex instanceof IllegalArgumentException || ex instanceof UnknownHostException)
+                    Snackbar.make(view, ex.getMessage(), Snackbar.LENGTH_LONG).show();
+                else
+                    Helper.unexpectedError(getContext(), getViewLifecycleOwner(), ex);
+            }
+        }.execute(FragmentAccount.this, args, "account:config");
+    }
+
+    private void onCheck() {
         EmailProvider provider = (EmailProvider) spProvider.getSelectedItem();
 
         Bundle args = new Bundle();
@@ -625,11 +679,8 @@ public class FragmentAccount extends FragmentBase {
             }
         }.execute(FragmentAccount.this, args, "account:check");
     }
-        });
 
-        btnSave.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
+    private void onSave() {
         EmailProvider provider = (EmailProvider) spProvider.getSelectedItem();
 
         EntityFolder drafts = (EntityFolder) spDrafts.getSelectedItem();
@@ -840,7 +891,7 @@ public class FragmentAccount extends FragmentBase {
                         account.id = db.account().insertAccount(account);
 
                     // Make sure the channel exists on commit
-                            if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O)
+                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
                         if (account.notify) {
                             // Add or update notification channel
                             account.deleteNotificationChannel(context);
@@ -939,45 +990,6 @@ public class FragmentAccount extends FragmentBase {
             }
         }.execute(FragmentAccount.this, args, "account:save");
     }
-        });
-
-        adapter = new ArrayAdapter<>(getContext(), R.layout.spinner_item1, android.R.id.text1, new ArrayList<EntityFolder>());
-        adapter.setDropDownViewResource(R.layout.spinner_item1_dropdown);
-
-        spDrafts.setAdapter(adapter);
-        spSent.setAdapter(adapter);
-        spAll.setAdapter(adapter);
-        spTrash.setAdapter(adapter);
-        spJunk.setAdapter(adapter);
-
-        // Initialize
-        Helper.setViewsEnabled(view, false);
-
-        btnAutoConfig.setEnabled(false);
-
-        btnAuthorize.setVisibility(View.GONE);
-        cbStartTls.setVisibility(View.GONE);
-        cbInsecure.setVisibility(View.GONE);
-        tilPassword.setPasswordVisibilityToggleEnabled(id < 0);
-
-        btnAdvanced.setVisibility(View.GONE);
-
-        tvIdle.setVisibility(View.GONE);
-
-        btnCheck.setVisibility(View.GONE);
-        pbCheck.setVisibility(View.GONE);
-
-        btnSave.setVisibility(View.GONE);
-        pbSave.setVisibility(View.GONE);
-        tvError.setVisibility(View.GONE);
-
-        grpServer.setVisibility(View.GONE);
-        grpAuthorize.setVisibility(View.GONE);
-        grpAdvanced.setVisibility(View.GONE);
-        grpFolders.setVisibility(View.GONE);
-
-        return view;
-    }
 
     @Override
     public void onSaveInstanceState(Bundle outState) {

app/src/main/java/eu/faircode/email/FragmentFolder.java

@@ -126,6 +126,20 @@ public class FragmentFolder extends FragmentBase {
         btnSave.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
+                onSave();
+            }
+        });
+
+        // Initialize
+        Helper.setViewsEnabled(view, false);
+        btnSave.setEnabled(false);
+        pbSave.setVisibility(View.GONE);
+        pbWait.setVisibility(View.VISIBLE);
+
+        return view;
+    }
+
+    private void onSave() {
         Bundle args = new Bundle();
         args.putLong("id", id);
         args.putLong("account", account);
@@ -261,16 +275,6 @@ public class FragmentFolder extends FragmentBase {
             }
         }.execute(FragmentFolder.this, args, "folder:save");
     }
-        });
-
-        // Initialize
-        Helper.setViewsEnabled(view, false);
-        btnSave.setEnabled(false);
-        pbSave.setVisibility(View.GONE);
-        pbWait.setVisibility(View.VISIBLE);
-
-        return view;
-    }
 
     @Override
     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {

app/src/main/java/eu/faircode/email/FragmentIdentity.java

@@ -382,6 +382,52 @@ public class FragmentIdentity extends FragmentBase {
         btnAutoConfig.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
+                onAutoConfig();
+            }
+        });
+
+        cbStartTls.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
+                etPort.setHint(checked ? "587" : "465");
+            }
+        });
+
+        cbSynchronize.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
+                cbPrimary.setEnabled(checked);
+            }
+        });
+
+        btnSave.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                onSave();
+            }
+        });
+
+        adapter = new ArrayAdapter<>(getContext(), R.layout.spinner_item1, android.R.id.text1, new ArrayList<EntityFolder>());
+        adapter.setDropDownViewResource(R.layout.spinner_item1_dropdown);
+        spSent.setAdapter(adapter);
+
+        // Initialize
+        Helper.setViewsEnabled(view, false);
+        btnAutoConfig.setEnabled(false);
+        cbInsecure.setVisibility(View.GONE);
+        tilPassword.setPasswordVisibilityToggleEnabled(id < 0);
+        btnSave.setVisibility(View.GONE);
+        btnAdvanced.setVisibility(View.GONE);
+        pbSave.setVisibility(View.GONE);
+        tvError.setVisibility(View.GONE);
+
+        grpAuthorize.setVisibility(View.GONE);
+        grpAdvanced.setVisibility(View.GONE);
+
+        return view;
+    }
+
+    private void onAutoConfig() {
         etDomain.setEnabled(false);
         btnAutoConfig.setEnabled(false);
 
@@ -423,25 +469,8 @@ public class FragmentIdentity extends FragmentBase {
             }
         }.execute(FragmentIdentity.this, args, "identity:config");
     }
-        });
 
-        cbStartTls.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
-            @Override
-            public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
-                etPort.setHint(checked ? "587" : "465");
-            }
-        });
-
-        cbSynchronize.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
-            @Override
-            public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
-                cbPrimary.setEnabled(checked);
-            }
-        });
-
-        btnSave.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
+    private void onSave() {
         EntityAccount account = (EntityAccount) spAccount.getSelectedItem();
 
         String name = etName.getText().toString();
@@ -661,27 +690,6 @@ public class FragmentIdentity extends FragmentBase {
             }
         }.execute(FragmentIdentity.this, args, "identity:save");
     }
-        });
-
-        adapter = new ArrayAdapter<>(getContext(), R.layout.spinner_item1, android.R.id.text1, new ArrayList<EntityFolder>());
-        adapter.setDropDownViewResource(R.layout.spinner_item1_dropdown);
-        spSent.setAdapter(adapter);
-
-        // Initialize
-        Helper.setViewsEnabled(view, false);
-        btnAutoConfig.setEnabled(false);
-        cbInsecure.setVisibility(View.GONE);
-        tilPassword.setPasswordVisibilityToggleEnabled(id < 0);
-        btnSave.setVisibility(View.GONE);
-        btnAdvanced.setVisibility(View.GONE);
-        pbSave.setVisibility(View.GONE);
-        tvError.setVisibility(View.GONE);
-
-        grpAuthorize.setVisibility(View.GONE);
-        grpAdvanced.setVisibility(View.GONE);
-
-        return view;
-    }
 
     @Override
     public void onSaveInstanceState(Bundle outState) {

app/src/main/java/eu/faircode/email/FragmentMessages.java

@@ -133,6 +133,17 @@ public class FragmentMessages extends FragmentBase {
 
     private ExecutorService executor = Executors.newSingleThreadExecutor(Helper.backgroundThreadFactory);
 
+    private final int action_seen = 1;
+    private final int action_unseen = 2;
+    private final int action_snooze = 3;
+    private final int action_flag = 4;
+    private final int action_unflag = 5;
+    private final int action_archive = 6;
+    private final int action_trash = 7;
+    private final int action_delete = 8;
+    private final int action_junk = 9;
+    private final int action_move = 10;
+
     private static final int LOCAL_PAGE_SIZE = 100;
     private static final int REMOTE_PAGE_SIZE = 10;
     private static final int UNDO_TIMEOUT = 5000; // milliseconds
@@ -211,6 +222,178 @@ public class FragmentMessages extends FragmentBase {
         swipeRefresh.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
             @Override
             public void onRefresh() {
+                onSwipeRefresh();
+            }
+        });
+
+        tvSupport.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                FragmentTransaction fragmentTransaction = getFragmentManager().beginTransaction();
+                fragmentTransaction.replace(R.id.content_frame, new FragmentPro()).addToBackStack("pro");
+                fragmentTransaction.commit();
+            }
+        });
+
+        ibHintSupport.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                prefs.edit().putBoolean("app_support", true).apply();
+                grpHintSupport.setVisibility(View.GONE);
+            }
+        });
+
+        ibHintSwipe.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                prefs.edit().putBoolean("message_swipe", true).apply();
+                grpHintSwipe.setVisibility(View.GONE);
+            }
+        });
+
+        ibHintSelect.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                prefs.edit().putBoolean("message_select", true).apply();
+                grpHintSelect.setVisibility(View.GONE);
+            }
+        });
+
+        rvMessage.setHasFixedSize(false);
+        //rvMessage.setItemViewCacheSize(10);
+        //rvMessage.getRecycledViewPool().setMaxRecycledViews(0, 10);
+        LinearLayoutManager llm = new LinearLayoutManager(getContext());
+        rvMessage.setLayoutManager(llm);
+
+        boolean compact = prefs.getBoolean("compact", false);
+        int zoom = prefs.getInt("zoom", compact ? 0 : 1);
+        adapter = new AdapterMessage(
+                getContext(), getViewLifecycleOwner(), getFragmentManager(),
+                viewType, outgoing, compact, zoom, iProperties);
+
+        rvMessage.setAdapter(adapter);
+
+        if (viewType != AdapterMessage.ViewType.THREAD) {
+            final SelectionPredicateMessage predicate = new SelectionPredicateMessage(rvMessage);
+
+            selectionTracker = new SelectionTracker.Builder<>(
+                    "messages-selection",
+                    rvMessage,
+                    new ItemKeyProviderMessage(rvMessage),
+                    new ItemDetailsLookupMessage(rvMessage),
+                    StorageStrategy.createLongStorage())
+                    .withSelectionPredicate(predicate)
+                    .build();
+            adapter.setSelectionTracker(selectionTracker);
+
+            selectionTracker.addObserver(new SelectionTracker.SelectionObserver() {
+                @Override
+                public void onSelectionChanged() {
+                    // Workaround AndroidX bug
+                    FragmentActivity activity = getActivity();
+                    if (activity != null)
+                        try {
+                            ViewModelMessages modelMessages = ViewModelProviders.of(activity).get(ViewModelMessages.class);
+                            if (selectionTracker.hasSelection())
+                                modelMessages.removeObservers(viewType, getViewLifecycleOwner());
+                            else
+                                modelMessages.observe(viewType, getViewLifecycleOwner(), observer);
+                        } catch (IllegalStateException ex) {
+                            // getViewLifecycleOwner
+                            Log.w(ex);
+                        }
+
+                    if (selectionTracker.hasSelection()) {
+                        swipeRefresh.setEnabled(false);
+                        fabMore.show();
+                    } else {
+                        predicate.clearAccount();
+                        fabMore.hide();
+                        swipeRefresh.setEnabled(pull);
+                    }
+                }
+            });
+        }
+
+        new ItemTouchHelper(touchHelper).attachToRecyclerView(rvMessage);
+
+        bottom_navigation.setOnNavigationItemSelectedListener(new BottomNavigationView.OnNavigationItemSelectedListener() {
+            @Override
+            public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) {
+                switch (menuItem.getItemId()) {
+                    case R.id.action_delete:
+                        onActionMove(EntityFolder.TRASH);
+                        return true;
+
+                    case R.id.action_archive:
+                        onActionMove(EntityFolder.ARCHIVE);
+                        return true;
+
+                    case R.id.action_prev:
+                        navigate(false);
+                        return true;
+
+                    case R.id.action_next:
+                        navigate(true);
+                        return true;
+
+                    default:
+                        return false;
+                }
+            }
+        });
+
+        fab.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                EntityFolder drafts = (EntityFolder) fab.getTag();
+
+                startActivity(new Intent(getContext(), ActivityCompose.class)
+                        .putExtra("action", "new")
+                        .putExtra("account", drafts.account)
+                );
+            }
+        });
+
+        fab.setOnLongClickListener(new View.OnLongClickListener() {
+            @Override
+            public boolean onLongClick(View v) {
+                EntityFolder drafts = (EntityFolder) fab.getTag();
+
+                LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(getContext());
+                lbm.sendBroadcast(
+                        new Intent(ActivityView.ACTION_VIEW_MESSAGES)
+                                .putExtra("account", drafts.account)
+                                .putExtra("folder", drafts.id)
+                                .putExtra("outgoing", drafts.isOutgoing()));
+
+                return true;
+            }
+        });
+
+        fabMore.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                onMore();
+            }
+        });
+
+        ((ActivityBase) getActivity()).addBackPressedListener(onBackPressedListener);
+
+        // Initialize
+        swipeRefresh.setEnabled(pull);
+        tvNoEmail.setVisibility(View.GONE);
+        bottom_navigation.setVisibility(View.GONE);
+        grpReady.setVisibility(View.GONE);
+        pbWait.setVisibility(View.VISIBLE);
+
+        fab.hide();
+        fabMore.hide();
+
+        return view;
+    }
+
+    private void onSwipeRefresh() {
         Bundle args = new Bundle();
         args.putLong("folder", folder);
 
@@ -271,54 +454,8 @@ public class FragmentMessages extends FragmentBase {
             }
         }.execute(FragmentMessages.this, args, "messages:refresh");
     }
-        });
-
-        tvSupport.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                FragmentTransaction fragmentTransaction = getFragmentManager().beginTransaction();
-                fragmentTransaction.replace(R.id.content_frame, new FragmentPro()).addToBackStack("pro");
-                fragmentTransaction.commit();
-            }
-        });
-
-        ibHintSupport.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                prefs.edit().putBoolean("app_support", true).apply();
-                grpHintSupport.setVisibility(View.GONE);
-            }
-        });
-
-        ibHintSwipe.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                prefs.edit().putBoolean("message_swipe", true).apply();
-                grpHintSwipe.setVisibility(View.GONE);
-            }
-        });
-
-        ibHintSelect.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                prefs.edit().putBoolean("message_select", true).apply();
-                grpHintSelect.setVisibility(View.GONE);
-            }
-        });
-
-        rvMessage.setHasFixedSize(false);
-        //rvMessage.setItemViewCacheSize(10);
-        //rvMessage.getRecycledViewPool().setMaxRecycledViews(0, 10);
-        LinearLayoutManager llm = new LinearLayoutManager(getContext());
-        rvMessage.setLayoutManager(llm);
 
-        boolean compact = prefs.getBoolean("compact", false);
-        int zoom = prefs.getInt("zoom", compact ? 0 : 1);
-        adapter = new AdapterMessage(
-                getContext(), getViewLifecycleOwner(), getFragmentManager(),
-                viewType, outgoing,
-                compact, zoom,
-                new AdapterMessage.IProperties() {
+    private AdapterMessage.IProperties iProperties = new AdapterMessage.IProperties() {
         @Override
         public void setValue(String name, long id, boolean enabled) {
             if (!values.containsKey(name))
@@ -410,55 +547,12 @@ public class FragmentMessages extends FragmentBase {
                 }
             }.execute(FragmentMessages.this, args, "messages:move");
         }
-                });
-
-        rvMessage.setAdapter(adapter);
-
-        if (viewType != AdapterMessage.ViewType.THREAD) {
-            final SelectionPredicateMessage predicate = new SelectionPredicateMessage(rvMessage);
-
-            selectionTracker = new SelectionTracker.Builder<>(
-                    "messages-selection",
-                    rvMessage,
-                    new ItemKeyProviderMessage(rvMessage),
-                    new ItemDetailsLookupMessage(rvMessage),
-                    StorageStrategy.createLongStorage())
-                    .withSelectionPredicate(predicate)
-                    .build();
-            adapter.setSelectionTracker(selectionTracker);
-
-            selectionTracker.addObserver(new SelectionTracker.SelectionObserver() {
-                @Override
-                public void onSelectionChanged() {
-                    // Workaround AndroidX bug
-                    FragmentActivity activity = getActivity();
-                    if (activity != null)
-                        try {
-                            ViewModelMessages modelMessages = ViewModelProviders.of(activity).get(ViewModelMessages.class);
-                            if (selectionTracker.hasSelection())
-                                modelMessages.removeObservers(viewType, getViewLifecycleOwner());
-                            else
-                                modelMessages.observe(viewType, getViewLifecycleOwner(), observer);
-                        } catch (IllegalStateException ex) {
-                            // getViewLifecycleOwner
-                            Log.w(ex);
-                        }
-
-                    if (selectionTracker.hasSelection()) {
-                        swipeRefresh.setEnabled(false);
-                        fabMore.show();
-                    } else {
-                        predicate.clearAccount();
-                        fabMore.hide();
-                        swipeRefresh.setEnabled(pull);
-                    }
-                }
-            });
-        }
+    };
 
-        new ItemTouchHelper(new ItemTouchHelper.Callback() {
+    private ItemTouchHelper.Callback touchHelper = new ItemTouchHelper.Callback() {
         @Override
         public int getMovementFlags(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
+            SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
             if (!prefs.getBoolean("swipe", true))
                 return 0;
 
@@ -607,32 +701,7 @@ public class FragmentMessages extends FragmentBase {
                 }
             }.execute(FragmentMessages.this, args, "messages:swipe");
         }
-        }).attachToRecyclerView(rvMessage);
-
-        bottom_navigation.setOnNavigationItemSelectedListener(new BottomNavigationView.OnNavigationItemSelectedListener() {
-            @Override
-            public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) {
-                switch (menuItem.getItemId()) {
-                    case R.id.action_delete:
-                        onActionMove(EntityFolder.TRASH);
-                        return true;
-
-                    case R.id.action_archive:
-                        onActionMove(EntityFolder.ARCHIVE);
-                        return true;
-
-                    case R.id.action_prev:
-                        navigate(false);
-                        return true;
-
-                    case R.id.action_next:
-                        navigate(true);
-                        return true;
-
-                    default:
-                        return false;
-                }
-            }
+    };
 
     private void onActionMove(String folderType) {
         Bundle args = new Bundle();
@@ -689,50 +758,8 @@ public class FragmentMessages extends FragmentBase {
             }
         }.execute(FragmentMessages.this, args, "messages:move");
     }
-        });
-
-        fab.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View view) {
-                EntityFolder drafts = (EntityFolder) fab.getTag();
-
-                startActivity(new Intent(getContext(), ActivityCompose.class)
-                        .putExtra("action", "new")
-                        .putExtra("account", drafts.account)
-                );
-            }
-        });
-
-        fab.setOnLongClickListener(new View.OnLongClickListener() {
-            @Override
-            public boolean onLongClick(View v) {
-                EntityFolder drafts = (EntityFolder) fab.getTag();
-
-                LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(getContext());
-                lbm.sendBroadcast(
-                        new Intent(ActivityView.ACTION_VIEW_MESSAGES)
-                                .putExtra("account", drafts.account)
-                                .putExtra("folder", drafts.id)
-                                .putExtra("outgoing", drafts.isOutgoing()));
-
-                return true;
-            }
-        });
-
-        fabMore.setOnClickListener(new View.OnClickListener() {
-            private final int action_seen = 1;
-            private final int action_unseen = 2;
-            private final int action_snooze = 3;
-            private final int action_flag = 4;
-            private final int action_unflag = 5;
-            private final int action_archive = 6;
-            private final int action_trash = 7;
-            private final int action_delete = 8;
-            private final int action_junk = 9;
-            private final int action_move = 10;
 
-            @Override
-            public void onClick(View v) {
+    private void onMore() {
         Bundle args = new Bundle();
         args.putLong("folder", folder);
         args.putLongArray("ids", getSelection());
@@ -811,34 +838,34 @@ public class FragmentMessages extends FragmentBase {
                     public boolean onMenuItemClick(MenuItem target) {
                         switch (target.getItemId()) {
                             case action_seen:
-                                        onActionSeen(true);
+                                onActionSeenSelection(true);
                                 return true;
                             case action_unseen:
-                                        onActionSeen(false);
+                                onActionSeenSelection(false);
                                 return true;
                             case action_snooze:
-                                        onActionSnooze();
+                                onActionSnoozeSelection();
                                 return true;
                             case action_flag:
-                                        onActionFlag(true);
+                                onActionFlagSelection(true);
                                 return true;
                             case action_unflag:
-                                        onActionFlag(false);
+                                onActionFlagSelection(false);
                                 return true;
                             case action_archive:
-                                        onActionMove(EntityFolder.ARCHIVE);
+                                onActionMoveSelection(EntityFolder.ARCHIVE);
                                 return true;
                             case action_trash:
-                                        onActionMove(EntityFolder.TRASH);
+                                onActionMoveSelection(EntityFolder.TRASH);
                                 return true;
                             case action_delete:
-                                        onActionDelete();
+                                onActionDeleteSelection();
                                 return true;
                             case action_junk:
-                                        onActionJunk();
+                                onActionJunkSelection();
                                 return true;
                             case action_move:
-                                        onActionMove();
+                                onActionMoveSelection();
                                 return true;
                             default:
                                 return false;
@@ -867,7 +894,7 @@ public class FragmentMessages extends FragmentBase {
         return ids;
     }
 
-            private void onActionSeen(boolean seen) {
+    private void onActionSeenSelection(boolean seen) {
         Bundle args = new Bundle();
         args.putLongArray("ids", getSelection());
         args.putBoolean("seen", seen);
@@ -909,7 +936,7 @@ public class FragmentMessages extends FragmentBase {
         }.execute(FragmentMessages.this, args, "messages:seen");
     }
 
-            private void onActionSnooze() {
+    private void onActionSnoozeSelection() {
         DialogDuration.show(getContext(), getViewLifecycleOwner(), R.string.title_snooze,
                 new DialogDuration.IDialogDuration() {
                     @Override
@@ -962,7 +989,7 @@ public class FragmentMessages extends FragmentBase {
                 });
     }
 
-            private void onActionFlag(boolean flagged) {
+    private void onActionFlagSelection(boolean flagged) {
         Bundle args = new Bundle();
         args.putLongArray("ids", getSelection());
         args.putBoolean("flagged", flagged);
@@ -1004,20 +1031,7 @@ public class FragmentMessages extends FragmentBase {
         }.execute(FragmentMessages.this, args, "messages:flag");
     }
 
-            private void onActionJunk() {
-                new DialogBuilderLifecycle(getContext(), getViewLifecycleOwner())
-                        .setMessage(R.string.title_ask_spam)
-                        .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
-                            @Override
-                            public void onClick(DialogInterface dialog, int which) {
-                                onActionMove(EntityFolder.JUNK);
-                            }
-                        })
-                        .setNegativeButton(android.R.string.cancel, null)
-                        .show();
-            }
-
-            private void onActionDelete() {
+    private void onActionDeleteSelection() {
         new DialogBuilderLifecycle(getContext(), getViewLifecycleOwner())
                 .setMessage(R.string.title_ask_delete_selected)
                 .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
@@ -1067,7 +1081,20 @@ public class FragmentMessages extends FragmentBase {
                 .show();
     }
 
-            private void onActionMove(String type) {
+    private void onActionJunkSelection() {
+        new DialogBuilderLifecycle(getContext(), getViewLifecycleOwner())
+                .setMessage(R.string.title_ask_spam)
+                .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        onActionMoveSelection(EntityFolder.JUNK);
+                    }
+                })
+                .setNegativeButton(android.R.string.cancel, null)
+                .show();
+    }
+
+    private void onActionMoveSelection(String type) {
         Bundle args = new Bundle();
         args.putString("type", type);
         args.putLongArray("ids", getSelection());
@@ -1123,7 +1150,7 @@ public class FragmentMessages extends FragmentBase {
         }.execute(FragmentMessages.this, args, "messages:move");
     }
 
-            private void onActionMove() {
+    private void onActionMoveSelection() {
         Bundle args = new Bundle();
         args.putLong("folder", folder);
         args.putLongArray("ids", getSelection());
@@ -1232,22 +1259,6 @@ public class FragmentMessages extends FragmentBase {
             }
         }.execute(FragmentMessages.this, args, "messages:move");
     }
-        });
-
-        ((ActivityBase) getActivity()).addBackPressedListener(onBackPressedListener);
-
-        // Initialize
-        swipeRefresh.setEnabled(pull);
-        tvNoEmail.setVisibility(View.GONE);
-        bottom_navigation.setVisibility(View.GONE);
-        grpReady.setVisibility(View.GONE);
-        pbWait.setVisibility(View.VISIBLE);
-
-        fab.hide();
-        fabMore.hide();
-
-        return view;
-    }
 
     @Override
     public void onDestroyView() {

app/src/main/java/eu/faircode/email/FragmentQuickSetup.java

@@ -135,6 +135,19 @@ public class FragmentQuickSetup extends FragmentBase {
         btnCheck.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
+                onCheck();
+            }
+        });
+
+        // Initialize
+        tvError.setVisibility(View.GONE);
+        tvInstructions.setVisibility(View.GONE);
+        tvInstructions.setMovementMethod(LinkMovementMethod.getInstance());
+
+        return view;
+    }
+
+    private void onCheck() {
         Bundle args = new Bundle();
         args.putString("name", etName.getText().toString());
         args.putString("email", etEmail.getText().toString().trim());
@@ -380,15 +393,6 @@ public class FragmentQuickSetup extends FragmentBase {
             }
         }.execute(FragmentQuickSetup.this, args, "setup:quick");
     }
-        });
-
-        // Initialize
-        tvError.setVisibility(View.GONE);
-        tvInstructions.setVisibility(View.GONE);
-        tvInstructions.setMovementMethod(LinkMovementMethod.getInstance());
-
-        return view;
-    }
 
     @Override
     public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {

app/src/main/java/eu/faircode/email/FragmentWebView.java

@@ -122,6 +122,14 @@ public class FragmentWebView extends FragmentBase {
 
         registerForContextMenu(webview);
 
+        onLoad();
+
+        ((ActivityBase) getActivity()).addBackPressedListener(onBackPressedListener);
+
+        return view;
+    }
+
+    private void onLoad() {
         Bundle args = getArguments();
         if (args.containsKey("url")) {
             String url = args.getString("url");
@@ -188,10 +196,6 @@ public class FragmentWebView extends FragmentBase {
                 }
             }.execute(this, args, "webview:format");
         }
-
-        ((ActivityBase) getActivity()).addBackPressedListener(onBackPressedListener);
-
-        return view;
     }
 
     @Override