Add share menu and multi-select menu items

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

@@ -51,6 +51,7 @@ import butterknife.BindView;
 import butterknife.ButterKnife;
 import butterknife.OnClick;
 import com.google.android.material.snackbar.Snackbar;
+import com.google.common.base.Joiner;
 import com.google.common.primitives.Longs;
 import com.todoroo.astrid.adapter.TaskAdapter;
 import com.todoroo.astrid.adapter.TaskAdapterProvider;
@@ -484,6 +485,9 @@ public final class TaskListFragment extends InjectingFragment
       case R.id.menu_open_map:
         ((PlaceFilter) filter).openMap(context);
         return true;
+      case R.id.menu_share:
+        send(transform(taskDao.fetchTasks(preferences, filter), TaskContainer::getTask));
+        return true;
       default:
         return onOptionsItemSelected(item);
     }
@@ -757,6 +761,9 @@ public final class TaskListFragment extends InjectingFragment
         updateModeTitle();
         recyclerAdapter.notifyDataSetChanged();
         return true;
+      case R.id.menu_share:
+        send(taskDao.fetch(taskAdapter.getSelected()));
+        return true;
       case R.id.delete:
         dialogBuilder
             .newDialog(R.string.delete_selected_tasks)
@@ -778,6 +785,21 @@ public final class TaskListFragment extends InjectingFragment
     }
   }
 
+  private void send(List<Task> tasks) {
+    Intent intent = new Intent(Intent.ACTION_SEND);
+    String output =
+        Joiner.on("\n")
+            .join(
+                transform(
+                    tasks, t -> String.format("%s %s", t.isCompleted() ? "☑" : "☐", t.getTitle())));
+    intent.putExtra(Intent.EXTRA_TEXT, output);
+    intent.setType("text/plain");
+
+    startActivity(Intent.createChooser(intent, null));
+
+    taskAdapter.clearSelections();
+  }
+
   @Override
   public void onDestroyActionMode(ActionMode mode) {
     this.mode = null;

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

@@ -20,6 +20,12 @@
     android:title="@string/select_all"
     app:showAsAction="ifRoom" />
 
+  <item
+    android:id="@+id/menu_share"
+    android:icon="@drawable/ic_outline_send_24px"
+    android:title="@string/share"
+    app:showAsAction="ifRoom" />
+
   <item
     android:id="@+id/copy_tasks"
     android:icon="@drawable/ic_outline_file_copy_24px"

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

@@ -19,6 +19,11 @@
     android:icon="@drawable/ic_outline_sort_24px"
     android:title="@string/TLA_menu_sort"
     app:showAsAction="ifRoom"/>
+  <item
+    android:id="@+id/menu_share"
+    android:icon="@drawable/ic_outline_send_24px"
+    android:title="@string/share"
+    app:showAsAction="ifRoom" />
   <group
     android:checkableBehavior="all">
     <item

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

@@ -582,4 +582,5 @@ File %1$s contained %2$s.\n\n
   <string name="auto_dismiss_datetime_summary">Close date time picker after selecting a date or time</string>
   <string name="calendar_event_created">Calendar event created for %s</string>
   <string name="select_all">Select all</string>
+  <string name="share">Share</string>
 </resources>