Added snoozing messages

FAQ.md

@@ -41,7 +41,7 @@ None at this moment.
 * Resize images: this is not a feature directly related to email and there are plenty of apps that can do this for you.
 * Calendar events: opening the attached calendar file should open the related calendar app.
 * Executing filter rules: filter rules should be executed on the server because a battery powered device with possibly an unstable internet connection is not suitable for this.
-* Snooze/send timer: basically the same as executing filter rules. Snoozing and delayed sending is not supported by [IMAP](https://en.wikipedia.org/wiki/Internet_Message_Access_Protocol). You could move messages to a "to do" folder instead.
+* Send timer: basically the same as executing filter rules. Delayed sending is not supported by [IMAP](https://en.wikipedia.org/wiki/Internet_Message_Access_Protocol). You could move messages to a "to do" folder instead.
 * Badge count: there is no standard Android API for this and third party solutions might stop working anytime. For example *ShortcutBadger* [has lots of problems](https://github.com/leolin310148/ShortcutBadger/issues). You can use the provided widget instead.
 * Switch language: although it is possible to change the language of an app, Android is not designed for this. Better fix the translation in your language if needed, see [this FAQ](#user-content-faq26) about how to.
 * Select identities to show in unified inbox: this would add complexity for something which would hardly be used.

README.md

@@ -37,6 +37,7 @@ This app starts a foreground service with a low priority status bar notification
 * Account/identity colors
 * Notifications per account
 * Notifications with message preview (requires Android 7 Nougat or later)
+* Snoozing messages
 * Reply templates
 * Search on server
 * Keyword management

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

@@ -156,6 +156,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
         private TextView tvSize;
         private TextView tvTime;
         private ImageView ivDraft;
+        private ImageView ivSnoozed;
         private ImageView ivAnswered;
         private ImageView ivAttachments;
         private TextView tvSubject;
@@ -220,6 +221,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
             tvSize = itemView.findViewById(R.id.tvSize);
             tvTime = itemView.findViewById(R.id.tvTime);
             ivDraft = itemView.findViewById(R.id.ivDraft);
+            ivSnoozed = itemView.findViewById(R.id.ivSnoozed);
             ivAnswered = itemView.findViewById(R.id.ivAnswered);
             ivAttachments = itemView.findViewById(R.id.ivAttachments);
             tvSubject = itemView.findViewById(R.id.tvSubject);
@@ -284,6 +286,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
 
         private void wire() {
             itemView.setOnClickListener(this);
+            ivSnoozed.setOnClickListener(this);
             ivFlagged.setOnClickListener(this);
             ivExpanderAddress.setOnClickListener(this);
             ivAddContact.setOnClickListener(this);
@@ -298,6 +301,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
 
         private void unwire() {
             itemView.setOnClickListener(null);
+            ivSnoozed.setOnClickListener(null);
             ivFlagged.setOnClickListener(null);
             ivExpanderAddress.setOnClickListener(null);
             ivAddContact.setOnClickListener(null);
@@ -319,6 +323,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
             tvSize.setText(null);
             tvTime.setText(null);
             ivDraft.setVisibility(View.GONE);
+            ivSnoozed.setVisibility(View.GONE);
             ivAnswered.setVisibility(View.GONE);
             ivAttachments.setVisibility(View.GONE);
             tvSubject.setText(null);
@@ -371,6 +376,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                 tvSize.setAlpha(message.duplicate ? LOW_LIGHT : 1.0f);
                 tvTime.setAlpha(message.duplicate ? LOW_LIGHT : 1.0f);
                 ivDraft.setAlpha(message.duplicate ? LOW_LIGHT : 1.0f);
+                ivSnoozed.setAlpha(message.duplicate ? LOW_LIGHT : 1.0f);
                 ivAnswered.setAlpha(message.duplicate ? LOW_LIGHT : 1.0f);
                 ivAttachments.setAlpha(message.duplicate ? LOW_LIGHT : 1.0f);
                 tvSubject.setAlpha(message.duplicate ? LOW_LIGHT : 1.0f);
@@ -457,6 +463,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
             tvTime.setText(DateUtils.getRelativeTimeSpanString(context, message.received));
 
             ivDraft.setVisibility(message.drafts > 0 ? View.VISIBLE : View.GONE);
+            ivSnoozed.setVisibility(message.ui_snoozed == null ? View.GONE : View.VISIBLE);
             ivAnswered.setVisibility(message.ui_answered ? View.VISIBLE : View.GONE);
             ivAttachments.setVisibility(message.attachments > 0 ? View.VISIBLE : View.GONE);
             btnDownloadAttachments.setVisibility(View.GONE);
@@ -729,7 +736,9 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
 
             TupleMessageEx message = differ.getItem(pos);
 
-            if (view.getId() == R.id.ivFlagged)
+            if (view.getId() == R.id.ivSnoozed)
+                onShowSnoozed(message);
+            else if (view.getId() == R.id.ivFlagged)
                 onToggleFlag(message);
             else if (view.getId() == R.id.ivAddContact)
                 onAddContact(message);
@@ -1344,6 +1353,11 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
             }.execute(context, owner, args, "message:unseen");
         }
 
+        private void onShowSnoozed(TupleMessageEx message) {
+            if (message.ui_snoozed != null)
+                Toast.makeText(context, new Date(message.ui_snoozed).toString(), Toast.LENGTH_LONG).show();
+        }
+
         private void onToggleFlag(TupleMessageEx message) {
             Bundle args = new Bundle();
             args.putLong("id", message.id);
@@ -1436,7 +1450,6 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                     Helper.unexpectedError(context, owner, ex);
                 }
             }.execute(context, owner, args, "message:share");
-
         }
 
         private void onShowHeaders(ActionData data) {

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

@@ -49,7 +49,7 @@ import io.requery.android.database.sqlite.RequerySQLiteOpenHelperFactory;
 // https://developer.android.com/topic/libraries/architecture/room.html
 
 @Database(
-        version = 31,
+        version = 32,
         entities = {
                 EntityIdentity.class,
                 EntityAccount.class,
@@ -396,6 +396,14 @@ public abstract class DB extends RoomDatabase {
                         db.execSQL("ALTER TABLE `attachment` ADD COLUMN `disposition` TEXT");
                     }
                 })
+                .addMigrations(new Migration(31, 32) {
+                    @Override
+                    public void migrate(SupportSQLiteDatabase db) {
+                        Log.i("DB migration from version " + startVersion + " to " + endVersion);
+                        db.execSQL("ALTER TABLE `message` ADD COLUMN `ui_snoozed` INTEGER");
+                        db.execSQL("CREATE  INDEX `index_message_ui_snoozed` ON `message` (`ui_snoozed`)");
+                    }
+                })
                 .build();
     }
 

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

@@ -63,6 +63,7 @@ public interface DaoMessage {
             " JOIN folder ON folder.id = message.folder" +
             " WHERE account.`synchronize`" +
             " AND (NOT message.ui_hide OR :debug)" +
+            " AND (:snoozed OR ui_snoozed IS NULL)" +
             " GROUP BY account.id, CASE WHEN message.thread IS NULL OR NOT :threading THEN message.id ELSE message.thread END" +
             " HAVING SUM(unified) > 0" +
             " ORDER BY" +
@@ -73,7 +74,7 @@ public interface DaoMessage {
             "  ELSE 0" +
             " END DESC, message.received DESC")
     @SuppressWarnings(RoomWarnings.CURSOR_MISMATCH)
-    DataSource.Factory<Integer, TupleMessageEx> pagedUnifiedInbox(boolean threading, String sort, boolean debug);
+    DataSource.Factory<Integer, TupleMessageEx> pagedUnifiedInbox(boolean threading, String sort, boolean snoozed, boolean debug);
 
     String unseen_folder = "SUM(CASE WHEN message.ui_seen" +
             "    OR (folder.id <> :folder AND folder.type = '" + EntityFolder.ARCHIVE + "')" +
@@ -102,6 +103,7 @@ public interface DaoMessage {
             " JOIN folder f ON f.id = :folder" +
             " WHERE (message.account = f.account OR folder.type = '" + EntityFolder.OUTBOX + "')" +
             " AND (NOT message.ui_hide OR :debug)" +
+            " AND (:snoozed OR :found OR ui_snoozed IS NULL)" +
             " AND (NOT :found OR ui_found = :found)" +
             " GROUP BY CASE WHEN message.thread IS NULL OR NOT :threading THEN message.id ELSE message.thread END" +
             " HAVING SUM(CASE WHEN folder.id = :folder THEN 1 ELSE 0 END) > 0" +
@@ -113,7 +115,7 @@ public interface DaoMessage {
             "  ELSE 0" +
             " END DESC, message.received DESC")
     @SuppressWarnings(RoomWarnings.CURSOR_MISMATCH)
-    DataSource.Factory<Integer, TupleMessageEx> pagedFolder(long folder, boolean threading, String sort, boolean found, boolean debug);
+    DataSource.Factory<Integer, TupleMessageEx> pagedFolder(long folder, boolean threading, String sort, boolean snoozed, boolean found, boolean debug);
 
     @Query("SELECT message.*" +
             ", account.name AS accountName, IFNULL(identity.color, account.color) AS accountColor, account.notify AS accountNotify" +
@@ -258,6 +260,9 @@ public interface DaoMessage {
             " AND NOT uid IS NULL")
     List<Long> getUids(long folder, Long received);
 
+    @Query("SELECT * FROM message WHERE NOT ui_snoozed IS NULL")
+    List<EntityMessage> getSnoozed();
+
     @Insert
     long insertMessage(EntityMessage message);
 
@@ -319,6 +324,10 @@ public interface DaoMessage {
     @Query("UPDATE message SET ui_found = 0")
     int resetSearch();
 
+    @Query("UPDATE message SET ui_snoozed = :wakeup" +
+            " WHERE id = :id")
+    int setMessageSnoozed(long id, Long wakeup);
+
     @Query("DELETE FROM message WHERE id = :id")
     int deleteMessage(long id);
 

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

@@ -20,8 +20,11 @@ package eu.faircode.email;
 */
 
 import android.Manifest;
+import android.app.AlarmManager;
+import android.app.PendingIntent;
 import android.content.ContentResolver;
 import android.content.Context;
+import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.database.Cursor;
 import android.net.Uri;
@@ -81,7 +84,8 @@ import static androidx.room.ForeignKey.SET_NULL;
                 @Index(value = {"ui_hide"}),
                 @Index(value = {"ui_found"}),
                 @Index(value = {"ui_ignored"}),
-                @Index(value = {"ui_browsed"})
+                @Index(value = {"ui_browsed"}),
+                @Index(value = {"ui_snoozed"})
         }
 )
 public class EntityMessage implements Serializable {
@@ -142,6 +146,7 @@ public class EntityMessage implements Serializable {
     public Boolean ui_ignored = false;
     @NonNull
     public Boolean ui_browsed = false;
+    public Long ui_snoozed;
     public String error;
     public Long last_attempt; // send
 
@@ -276,6 +281,21 @@ public class EntityMessage implements Serializable {
         return false;
     }
 
+    static void snooze(Context context, long id, Long wakeup) {
+        Intent snoozed = new Intent(context, ServiceSynchronize.class);
+        snoozed.setAction("snooze:" + id);
+        PendingIntent pi = PendingIntent.getService(context, ServiceSynchronize.PI_SNOOZED, snoozed, PendingIntent.FLAG_UPDATE_CURRENT);
+
+        AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
+        if (wakeup == null) {
+            Log.i("Cancel snooze id=" + id);
+            am.cancel(pi);
+        } else {
+            Log.i("Set snooze id=" + id + " wakeup=" + new Date(wakeup));
+            am.set(AlarmManager.RTC_WAKEUP, wakeup, pi);
+        }
+    }
+
     public boolean uiEquals(Object obj) {
         if (obj instanceof EntityMessage) {
             EntityMessage other = (EntityMessage) obj;
@@ -315,6 +335,8 @@ public class EntityMessage implements Serializable {
                     this.ui_hide.equals(other.ui_hide) &&
                     this.ui_found.equals(other.ui_found) &&
                     this.ui_ignored.equals(other.ui_ignored) &&
+                    //this.ui_browsed.equals(other.ui_browsed) &&
+                    (this.ui_snoozed == null ? other.ui_snoozed == null : this.ui_snoozed.equals(other.ui_snoozed)) &&
                     (this.error == null ? other.error == null : this.error.equals(other.error)));
         }
         return false;
@@ -359,6 +381,8 @@ public class EntityMessage implements Serializable {
                     this.ui_hide.equals(other.ui_hide) &&
                     this.ui_found.equals(other.ui_found) &&
                     this.ui_ignored.equals(other.ui_ignored) &&
+                    this.ui_browsed.equals(other.ui_browsed) &&
+                    (this.ui_snoozed == null ? other.ui_snoozed == null : this.ui_snoozed.equals(other.ui_snoozed)) &&
                     (this.error == null ? other.error == null : this.error.equals(other.error)));
         }
         return false;

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

@@ -44,6 +44,7 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.CheckBox;
 import android.widget.ImageButton;
+import android.widget.NumberPicker;
 import android.widget.TextView;
 
 import com.google.android.material.bottomnavigation.BottomNavigationView;
@@ -52,6 +53,7 @@ import com.google.android.material.snackbar.Snackbar;
 
 import java.io.Serializable;
 import java.util.ArrayList;
+import java.util.Date;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -744,6 +746,7 @@ public class FragmentMessages extends FragmentEx {
             private final int action_delete = 7;
             private final int action_junk = 8;
             private final int action_move = 9;
+            private final int action_snooze = 10;
 
             @Override
             public void onClick(View v) {
@@ -814,10 +817,12 @@ public class FragmentMessages extends FragmentEx {
                                 popupMenu.getMenu().add(Menu.NONE, action_trash, 6, R.string.title_trash);
 
                         if (!result[8] && !result[9])
-                            popupMenu.getMenu().add(Menu.NONE, action_junk, 6, R.string.title_spam);
+                            popupMenu.getMenu().add(Menu.NONE, action_junk, 7, R.string.title_spam);
 
                         if (!result[9])
-                            popupMenu.getMenu().add(Menu.NONE, action_move, 7, R.string.title_move);
+                            popupMenu.getMenu().add(Menu.NONE, action_move, 8, R.string.title_move);
+
+                        popupMenu.getMenu().add(Menu.NONE, action_snooze, 9, R.string.title_snooze);
 
                         popupMenu.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
                             @Override
@@ -850,6 +855,9 @@ public class FragmentMessages extends FragmentEx {
                                     case action_move:
                                         onActionMove();
                                         return true;
+                                    case action_snooze:
+                                        onActionSnooze();
+                                        return true;
                                     default:
                                         return false;
                                 }
@@ -1191,6 +1199,85 @@ public class FragmentMessages extends FragmentEx {
                     }
                 }.execute(FragmentMessages.this, args, "messages:move");
             }
+
+            private void onActionSnooze() {
+                final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
+
+                final View dview = LayoutInflater.from(getContext()).inflate(R.layout.dialog_duration, null);
+                final NumberPicker npHours = dview.findViewById(R.id.npHours);
+                final NumberPicker npDays = dview.findViewById(R.id.npDays);
+
+                npHours.setMinValue(0);
+                npHours.setMaxValue(24);
+
+                npDays.setMinValue(0);
+                npDays.setMaxValue(30);
+
+                npHours.setValue(prefs.getInt("snooze_hours", 1));
+                npDays.setValue(prefs.getInt("snooze_days", 0));
+
+                new DialogBuilderLifecycle(getContext(), getViewLifecycleOwner())
+                        .setTitle(R.string.title_snooze)
+                        .setView(dview)
+                        .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
+                            @Override
+                            public void onClick(DialogInterface dialog, int which) {
+                                try {
+                                    int hours = npHours.getValue();
+                                    int days = npDays.getValue();
+                                    long duration = (hours + days * 24) * 3600L * 1000L;
+
+                                    if (duration > 0) {
+                                        prefs.edit().putInt("snooze_hours", hours).apply();
+                                        prefs.edit().putInt("snooze_days", days).apply();
+                                    }
+
+                                    Bundle args = new Bundle();
+                                    args.putLongArray("ids", getSelection());
+                                    args.putLong("wakeup", duration == 0 ? 0 : new Date().getTime() + duration);
+
+                                    new SimpleTask<Void>() {
+                                        @Override
+                                        protected Void onExecute(Context context, Bundle args) {
+                                            long[] ids = args.getLongArray("ids");
+                                            Long wakeup = args.getLong("wakeup");
+                                            if (wakeup == 0)
+                                                wakeup = null;
+
+                                            DB db = DB.getInstance(context);
+                                            for (long id : ids) {
+                                                EntityMessage message = db.message().getMessage(id);
+                                                if (message != null) {
+                                                    List<EntityMessage> messages = db.message().getMessageByThread(
+                                                            message.account, message.thread, threading ? null : id, null);
+                                                    for (EntityMessage threaded : messages) {
+                                                        db.message().setMessageSnoozed(threaded.id, wakeup);
+                                                        EntityMessage.snooze(context, threaded.id, wakeup);
+                                                    }
+                                                }
+                                            }
+
+                                            return null;
+                                        }
+
+                                        @Override
+                                        protected void onException(Bundle args, Throwable ex) {
+                                            Helper.unexpectedError(getContext(), getViewLifecycleOwner(), ex);
+                                        }
+                                    }.execute(FragmentMessages.this, args, "messages:snooze");
+                                } catch (Throwable ex) {
+                                    Log.e(ex);
+                                }
+                            }
+                        })
+                        .setOnDismissListener(new DialogInterface.OnDismissListener() {
+                            @Override
+                            public void onDismiss(DialogInterface dialog) {
+                                selectionTracker.clearSelection();
+                            }
+                        })
+                        .show();
+            }
         });
 
         ((ActivityBase) getActivity()).addBackPressedListener(onBackPressedListener);
@@ -1498,15 +1585,14 @@ public class FragmentMessages extends FragmentEx {
 
     @Override
     public void onPrepareOptionsMenu(Menu menu) {
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
+
         menu.findItem(R.id.menu_search).setVisible(
                 folder >= 0 && viewType != AdapterMessage.ViewType.SEARCH);
+
         menu.findItem(R.id.menu_sort_on).setVisible(
                 viewType == AdapterMessage.ViewType.UNIFIED || viewType == AdapterMessage.ViewType.FOLDER);
-        menu.findItem(R.id.menu_folders).setVisible(primary >= 0);
-        menu.findItem(R.id.menu_folders).setIcon(connected ? R.drawable.baseline_folder_24 : R.drawable.baseline_folder_open_24);
-        menu.findItem(R.id.menu_move_sent).setVisible(outbox);
 
-        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
         String sort = prefs.getString("sort", "time");
         if ("time".equals(sort))
             menu.findItem(R.id.menu_sort_on_time).setChecked(true);
@@ -1517,6 +1603,15 @@ public class FragmentMessages extends FragmentEx {
         else if ("sender".equals(sort))
             menu.findItem(R.id.menu_sort_on_sender).setChecked(true);
 
+        menu.findItem(R.id.menu_folders).setVisible(primary >= 0);
+        menu.findItem(R.id.menu_folders).setIcon(connected ? R.drawable.baseline_folder_24 : R.drawable.baseline_folder_open_24);
+
+        menu.findItem(R.id.menu_snoozed).setVisible(!outbox &&
+                (viewType == AdapterMessage.ViewType.UNIFIED || viewType == AdapterMessage.ViewType.FOLDER));
+        menu.findItem(R.id.menu_snoozed).setChecked(prefs.getBoolean("snoozed", false));
+
+        menu.findItem(R.id.menu_move_sent).setVisible(outbox);
+
         super.onPrepareOptionsMenu(menu);
     }
 
@@ -1543,6 +1638,10 @@ public class FragmentMessages extends FragmentEx {
                 onMenuSort("sender");
                 return true;
 
+            case R.id.menu_snoozed:
+                onMenuSnoozed();
+                return true;
+
             case R.id.menu_zoom:
                 onMenuZoom();
                 return true;
@@ -1567,6 +1666,13 @@ public class FragmentMessages extends FragmentEx {
         loadMessages();
     }
 
+    private void onMenuSnoozed() {
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
+        boolean snoozed = prefs.getBoolean("snoozed", false);
+        prefs.edit().putBoolean("snoozed", !snoozed).apply();
+        loadMessages();
+    }
+
     private void onMenuZoom() {
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
         int zoom = prefs.getInt("zoom", compact ? 0 : 1);
@@ -1640,6 +1746,7 @@ public class FragmentMessages extends FragmentEx {
         // Observe folder/messages/search
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
         String sort = prefs.getString("sort", "time");
+        boolean snoozed = prefs.getBoolean("snoozed", false);
         boolean debug = prefs.getBoolean("debug", false);
         Log.i("Load messages type=" + viewType + " sort=" + sort + " debug=" + debug);
 
@@ -1651,7 +1758,7 @@ public class FragmentMessages extends FragmentEx {
         switch (viewType) {
             case UNIFIED:
                 builder = new LivePagedListBuilder<>(
-                        db.message().pagedUnifiedInbox(threading, sort, debug), LOCAL_PAGE_SIZE);
+                        db.message().pagedUnifiedInbox(threading, sort, snoozed, debug), LOCAL_PAGE_SIZE);
                 break;
 
             case FOLDER:
@@ -1684,7 +1791,7 @@ public class FragmentMessages extends FragmentEx {
                         .setPrefetchDistance(REMOTE_PAGE_SIZE)
                         .build();
                 builder = new LivePagedListBuilder<>(
-                        db.message().pagedFolder(folder, threading, sort, false, debug), configFolder);
+                        db.message().pagedFolder(folder, threading, sort, snoozed, false, debug), configFolder);
                 builder.setBoundaryCallback(searchCallback);
                 break;
 
@@ -1726,7 +1833,7 @@ public class FragmentMessages extends FragmentEx {
                         .setPrefetchDistance(REMOTE_PAGE_SIZE)
                         .build();
                 builder = new LivePagedListBuilder<>(
-                        db.message().pagedFolder(folder, threading, "time", true, false), configSearch);
+                        db.message().pagedFolder(folder, threading, "time", snoozed, true, false), configSearch);
                 builder.setBoundaryCallback(searchCallback);
                 break;
         }

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

@@ -23,6 +23,10 @@ import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 
+import java.util.List;
+
+import static android.os.Process.THREAD_PRIORITY_BACKGROUND;
+
 public class ReceiverAutostart extends BroadcastReceiver {
     @Override
     public void onReceive(final Context context, Intent intent) {
@@ -30,6 +34,22 @@ public class ReceiverAutostart extends BroadcastReceiver {
                 Intent.ACTION_MY_PACKAGE_REPLACED.equals(intent.getAction())) {
             EntityLog.log(context, intent.getAction());
             ServiceSynchronize.init(context);
+
+            Thread thread = new Thread(new Runnable() {
+                @Override
+                public void run() {
+                    try {
+                        DB db = DB.getInstance(context);
+                        List<EntityMessage> messages = db.message().getSnoozed();
+                        for (EntityMessage message : messages)
+                            EntityMessage.snooze(context, message.id, message.ui_snoozed);
+                    } catch (Throwable ex) {
+                        Log.e(ex);
+                    }
+                }
+            });
+            thread.setPriority(THREAD_PRIORITY_BACKGROUND);
+            thread.start();
         }
     }
 }

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

@@ -157,6 +157,7 @@ public class ServiceSynchronize extends LifecycleService {
     static final int PI_ARCHIVE = 4;
     static final int PI_TRASH = 5;
     static final int PI_IGNORED = 6;
+    static final int PI_SNOOZED = 7;
 
     @Override
     public void onCreate() {
@@ -355,6 +356,7 @@ public class ServiceSynchronize extends LifecycleService {
                     case "archive":
                     case "trash":
                     case "ignore":
+                    case "snooze":
                         executor.submit(new Runnable() {
                             @Override
                             public void run() {
@@ -388,6 +390,10 @@ public class ServiceSynchronize extends LifecycleService {
                                             db.message().setMessageUiIgnored(message.id, true);
                                             break;
 
+                                        case "snooze":
+                                            db.message().setMessageSnoozed(message.id, null);
+                                            break;
+
                                         default:
                                             Log.w("Unknown action: " + parts[0]);
                                     }
@@ -1153,6 +1159,7 @@ public class ServiceSynchronize extends LifecycleService {
                                     }
                                 }
                             }, "idler." + folder.id);
+                            idler.setPriority(THREAD_PRIORITY_BACKGROUND);
                             idler.start();
                             idlers.add(idler);
 
@@ -2953,6 +2960,7 @@ public class ServiceSynchronize extends LifecycleService {
 
         void runnable(Runnable runnable, String name) {
             thread = new Thread(runnable, name);
+            thread.setPriority(THREAD_PRIORITY_BACKGROUND);
         }
 
         void release() {
@@ -2982,7 +2990,6 @@ public class ServiceSynchronize extends LifecycleService {
         }
 
         void start() {
-            thread.setPriority(THREAD_PRIORITY_BACKGROUND);
             thread.start();
             yield();
         }

app/src/main/res/drawable/baseline_timelapse_24.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0"
+        android:tint="?attr/colorControlNormal">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M16.24,7.76C15.07,6.59 13.54,6 12,6v6l-4.24,4.24c2.34,2.34 6.14,2.34 8.49,0 2.34,-2.34 2.34,-6.14 -0.01,-8.48zM12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM12,20c-4.42,0 -8,-3.58 -8,-8s3.58,-8 8,-8 8,3.58 8,8 -3.58,8 -8,8z"/>
+</vector>

app/src/main/res/layout/dialog_duration.xml

@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:padding="12dp">
+
+    <TextView
+        android:id="@+id/tvHours"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:gravity="center_horizontal"
+        android:text="@string/title_hours"
+        android:textAppearance="@style/TextAppearance.AppCompat.Medium"
+        android:textColor="?android:attr/textColorPrimary"
+        app:layout_constraintEnd_toStartOf="@+id/tvDays"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <TextView
+        android:id="@+id/tvDays"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:gravity="center_horizontal"
+        android:text="@string/title_days"
+        android:textAppearance="@style/TextAppearance.AppCompat.Medium"
+        android:textColor="?android:attr/textColorPrimary"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@id/tvHours"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <NumberPicker
+        android:id="@+id/npHours"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="12dp"
+        app:layout_constraintEnd_toEndOf="@id/tvHours"
+        app:layout_constraintStart_toStartOf="@id/tvHours"
+        app:layout_constraintTop_toBottomOf="@id/tvHours" />
+
+    <NumberPicker
+        android:id="@+id/npDays"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="12dp"
+        app:layout_constraintEnd_toEndOf="@id/tvDays"
+        app:layout_constraintStart_toStartOf="@id/tvDays"
+        app:layout_constraintTop_toBottomOf="@id/tvDays" />
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/fragment_legend.xml

@@ -197,6 +197,27 @@
             app:layout_constraintStart_toEndOf="@id/ivCC"
             app:layout_constraintTop_toTopOf="@id/ivCC" />
 
+        <ImageView
+            android:id="@+id/ivSnoozed"
+            android:layout_width="24dp"
+            android:layout_height="24dp"
+            android:layout_marginTop="18dp"
+            android:src="@drawable/baseline_timelapse_24"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/ivCC" />
+
+        <TextView
+            android:id="@+id/tvSnoozed"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="18dp"
+            android:text="@string/title_legend_snoozed"
+            android:textAppearance="@style/TextAppearance.AppCompat.Medium"
+            app:layout_constraintBottom_toBottomOf="@id/ivSnoozed"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toEndOf="@id/ivSnoozed"
+            app:layout_constraintTop_toTopOf="@id/ivSnoozed" />
+
         <ImageView
             android:id="@+id/ivDraft"
             android:layout_width="24dp"
@@ -204,7 +225,7 @@
             android:layout_marginTop="18dp"
             android:src="@drawable/baseline_edit_24"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@id/ivCC" />
+            app:layout_constraintTop_toBottomOf="@id/ivSnoozed" />
 
         <TextView
             android:id="@+id/tvDraft"

app/src/main/res/layout/item_message_compact.xml

@@ -112,6 +112,16 @@
             app:layout_constraintStart_toEndOf="@id/paddingStart"
             app:layout_constraintTop_toTopOf="@+id/tvSubject" />
 
+        <ImageView
+            android:id="@+id/ivSnoozed"
+            android:layout_width="21dp"
+            android:layout_height="21dp"
+            android:layout_marginStart="6dp"
+            android:src="@drawable/baseline_timelapse_24"
+            app:layout_constraintBottom_toBottomOf="@+id/tvSubject"
+            app:layout_constraintStart_toEndOf="@id/ivDraft"
+            app:layout_constraintTop_toTopOf="@+id/tvSubject" />
+
         <ImageView
             android:id="@+id/ivAnswered"
             android:layout_width="21dp"
@@ -119,7 +129,7 @@
             android:layout_marginStart="6dp"
             android:src="@drawable/baseline_reply_24"
             app:layout_constraintBottom_toBottomOf="@+id/tvSubject"
-            app:layout_constraintStart_toEndOf="@id/ivDraft"
+            app:layout_constraintStart_toEndOf="@id/ivSnoozed"
             app:layout_constraintTop_toTopOf="@+id/tvSubject" />
 
         <ImageView

app/src/main/res/layout/item_message_normal.xml

@@ -135,6 +135,16 @@
             app:layout_constraintStart_toEndOf="@id/ivAvatar"
             app:layout_constraintTop_toTopOf="@+id/tvFolder" />
 
+        <ImageView
+            android:id="@+id/ivSnoozed"
+            android:layout_width="21dp"
+            android:layout_height="21dp"
+            android:layout_marginStart="6dp"
+            android:src="@drawable/baseline_timelapse_24"
+            app:layout_constraintBottom_toBottomOf="@+id/tvFolder"
+            app:layout_constraintStart_toEndOf="@id/ivDraft"
+            app:layout_constraintTop_toTopOf="@+id/tvFolder" />
+
         <ImageView
             android:id="@+id/ivAnswered"
             android:layout_width="21dp"
@@ -142,7 +152,7 @@
             android:layout_marginStart="6dp"
             android:src="@drawable/baseline_reply_24"
             app:layout_constraintBottom_toBottomOf="@+id/tvFolder"
-            app:layout_constraintStart_toEndOf="@id/ivDraft"
+            app:layout_constraintStart_toEndOf="@id/ivSnoozed"
             app:layout_constraintTop_toTopOf="@+id/tvFolder" />
 
         <ImageView

app/src/main/res/menu/menu_messages.xml

@@ -44,6 +44,12 @@
         android:title="@string/title_folder_primary"
         app:showAsAction="always" />
 
+    <item
+        android:id="@+id/menu_snoozed"
+        android:checkable="true"
+        android:title="@string/title_snoozed"
+        app:showAsAction="never" />
+
     <item
         android:id="@+id/menu_move_sent"
         android:title="@string/title_move_sent"

app/src/main/res/values/strings.xml

@@ -274,6 +274,7 @@
     <string name="title_more">More</string>
     <string name="title_spam">Spam</string>
     <string name="title_move">Move</string>
+    <string name="title_snooze">Snooze</string>
     <string name="title_archive">Archive</string>
     <string name="title_reply">Reply</string>
     <string name="title_moving">Moving to %1$s</string>
@@ -352,6 +353,7 @@
     <string name="title_address_sent">Sent:</string>
     <string name="title_address_unsent">Unsent:</string>
     <string name="title_address_invalid">Invalid:</string>
+    <string name="title_snoozed">Snoozed</string>
     <string name="title_move_sent">Move to sent</string>
 
     <string name="title_previous">Previous</string>
@@ -377,6 +379,7 @@
     <string name="title_legend_thread">Conversation</string>
     <string name="title_legend_cc">CC/BCC</string>
     <string name="title_legend_attachment">Attachment</string>
+    <string name="title_legend_snoozed">Snoozed</string>
     <string name="title_legend_draft">Draft/edit</string>
     <string name="title_legend_answered">Answered</string>
     <string name="title_legend_contacts">Contacts</string>
@@ -418,6 +421,8 @@
     <string name="title_undo">Undo</string>
     <string name="title_add">Add</string>
     <string name="title_browse">Browse</string>
+    <string name="title_hours">Hours</string>
+    <string name="title_days">Days</string>
     <string name="title_report">Report</string>
     <string name="title_no_ask_again">Do not ask this again</string>