Make save button asynchronous

app/src/main/java/com/todoroo/astrid/activity/TaskEditFragment.java

@@ -6,6 +6,9 @@
 
 package com.todoroo.astrid.activity;
 
+import static com.google.common.base.Predicates.not;
+import static com.google.common.collect.Iterables.filter;
+import static com.todoroo.andlib.utility.AndroidUtilities.assertNotMainThread;
 import static org.tasks.date.DateTimeUtils.newDateTime;
 import static org.tasks.files.FileHelper.copyToUri;
 
@@ -36,6 +39,9 @@ import com.todoroo.astrid.repeats.RepeatControlSet;
 import com.todoroo.astrid.service.TaskDeleter;
 import com.todoroo.astrid.timers.TimerPlugin;
 import com.todoroo.astrid.ui.EditTitleControlSet;
+import io.reactivex.Completable;
+import io.reactivex.android.schedulers.AndroidSchedulers;
+import io.reactivex.schedulers.Schedulers;
 import java.util.List;
 import javax.inject.Inject;
 import org.tasks.R;
@@ -56,7 +62,7 @@ import org.tasks.ui.TaskEditControlFragment;
 public final class TaskEditFragment extends InjectingFragment
     implements Toolbar.OnMenuItemClickListener {
 
-  public static final String TAG_TASKEDIT_FRAGMENT = "taskedit_fragment";
+  static final String TAG_TASKEDIT_FRAGMENT = "taskedit_fragment";
   private static final String EXTRA_TASK = "extra_task";
   @Inject TaskDao taskDao;
   @Inject UserActivityDao userActivityDao;
@@ -82,7 +88,7 @@ public final class TaskEditFragment extends InjectingFragment
   Task model = null;
   private TaskEditFragmentCallbackHandler callback;
 
-  public static TaskEditFragment newTaskEditFragment(Task task) {
+  static TaskEditFragment newTaskEditFragment(Task task) {
     TaskEditFragment taskEditFragment = new TaskEditFragment();
     Bundle arguments = new Bundle();
     arguments.putParcelable(EXTRA_TASK, task);
@@ -165,16 +171,15 @@ public final class TaskEditFragment extends InjectingFragment
   public boolean onMenuItemClick(MenuItem item) {
     AndroidUtilities.hideKeyboard(getActivity());
 
-    switch (item.getItemId()) {
-      case R.id.menu_delete:
-        deleteButtonClick();
-        return true;
+    if (item.getItemId() == R.id.menu_delete) {
+      deleteButtonClick();
+      return true;
     }
 
     return false;
   }
 
-  public Task stopTimer() {
+  Task stopTimer() {
     timerPlugin.stopTimer(model);
     String elapsedTime = DateUtils.formatElapsedTime(model.getElapsedSeconds());
     addComment(
@@ -188,7 +193,7 @@ public final class TaskEditFragment extends InjectingFragment
     return model;
   }
 
-  public Task startTimer() {
+  Task startTimer() {
     timerPlugin.startTimer(model);
     addComment(
         String.format(
@@ -205,19 +210,34 @@ public final class TaskEditFragment extends InjectingFragment
         taskEditControlSetFragmentManager.getFragmentsInPersistOrder(getChildFragmentManager());
     if (hasChanges(fragments)) {
       boolean isNewTask = model.isNew();
-      if (isNewTask) {
-        taskDao.createNew(model);
-      }
-      for (TaskEditControlFragment fragment : fragments) {
+      TaskListFragment taskListFragment = ((MainActivity) getActivity()).getTaskListFragment();
+      for (TaskEditControlFragment fragment :
+          filter(fragments, not(TaskEditControlFragment::requiresId))) {
         fragment.apply(model);
       }
-      taskDao.save(model, null);
 
-      if (isNewTask) {
-        ((MainActivity) getActivity()).getTaskListFragment().onTaskCreated(model.getUuid());
-      } else {
-        ((MainActivity) getActivity()).getTaskListFragment().loadTaskListContent();
-      }
+      Completable.fromAction(
+              () -> {
+                assertNotMainThread();
+
+                if (isNewTask) {
+                  taskDao.createNew(model);
+                }
+
+                for (TaskEditControlFragment fragment :
+                    filter(fragments, TaskEditControlFragment::requiresId)) {
+                  fragment.apply(model);
+                }
+
+                taskDao.save(model, null);
+
+                if (isNewTask) {
+                  taskListFragment.onTaskCreated(model.getUuid());
+                }
+              })
+          .subscribeOn(Schedulers.io())
+          .observeOn(AndroidSchedulers.mainThread())
+          .subscribe();
       callback.removeTaskEditFragment();
     } else {
       discard();
@@ -266,7 +286,7 @@ public final class TaskEditFragment extends InjectingFragment
    * ======================================================================
    */
 
-  public void discardButtonClick() {
+  void discardButtonClick() {
     if (hasChanges(
         taskEditControlSetFragmentManager.getFragmentsInPersistOrder(getChildFragmentManager()))) {
       dialogBuilder

app/src/main/java/com/todoroo/astrid/activity/TaskListFragment.java

@@ -518,19 +518,19 @@ public final class TaskListFragment extends InjectingFragment
     return getArguments().getParcelable(EXTRA_FILTER);
   }
 
-  public void onTaskCreated(List<Task> tasks) {
+  private void onTaskCreated(List<Task> tasks) {
     for (Task task : tasks) {
       onTaskCreated(task.getUuid());
     }
     syncAdapters.sync();
+    loadTaskListContent();
   }
 
   void onTaskCreated(String uuid) {
     taskAdapter.onTaskCreated(uuid);
-    loadTaskListContent();
   }
 
-  public void onTaskDelete(Task task) {
+  private void onTaskDelete(Task task) {
     MainActivity activity = (MainActivity) getActivity();
     if (activity != null) {
       TaskEditFragment tef = activity.getTaskEditFragment();

app/src/main/java/com/todoroo/astrid/ui/ReminderControlSet.java

@@ -193,6 +193,11 @@ public class ReminderControlSet extends TaskEditControlFragment {
         || !newHashSet(currentAlarms()).equals(alarms);
   }
 
+  @Override
+  public boolean requiresId() {
+    return true;
+  }
+
   @Override
   public void apply(Task task) {
     task.setReminderFlags(getFlags());

app/src/main/java/org/tasks/ui/LocationControlSet.java

@@ -250,6 +250,11 @@ public class LocationControlSet extends TaskEditControlFragment {
         || original.getRadius() != location.getRadius();
   }
 
+  @Override
+  public boolean requiresId() {
+    return true;
+  }
+
   @Override
   public void apply(Task task) {
     if (original != null) {

app/src/main/java/org/tasks/ui/RemoteListFragment.java

@@ -156,6 +156,11 @@ public class RemoteListFragment extends TaskEditControlFragment {
         .show(getFragmentManager(), FRAG_TAG_GOOGLE_TASK_LIST_SELECTION);
   }
 
+  @Override
+  public boolean requiresId() {
+    return true;
+  }
+
   @Override
   public void apply(Task task) {
     taskMover.move(task.getId(), selectedList);

app/src/main/java/org/tasks/ui/SubtaskControlSet.java

@@ -158,6 +158,11 @@ public class SubtaskControlSet extends TaskEditControlFragment implements Callba
     return TAG;
   }
 
+  @Override
+  public boolean requiresId() {
+    return true;
+  }
+
   @Override
   public void apply(Task task) {
     for (Task subtask: getNewSubtasks()) {

app/src/main/java/org/tasks/ui/TaskEditControlFragment.java

@@ -48,6 +48,10 @@ public abstract class TaskEditControlFragment extends InjectingFragment {
 
   public abstract int controlId();
 
+  public boolean requiresId() {
+    return false;
+  }
+
   public abstract void apply(Task task);
 
   public boolean hasChanges(Task original) {