From 5a09cd770a13514dc8f203f4b416639c95954743 Mon Sep 17 00:00:00 2001
From: Phillip Thelen <viirus@pherth.net>
Date: Wed, 19 Apr 2017 12:04:13 +0200
Subject: [PATCH] fix crashes

---
 .../habitrpg/android/habitica/models/Tag.java |  8 ++++
 .../tasks/TaskRecyclerViewFragment.java       | 47 ++++++++++---------
 2 files changed, 34 insertions(+), 21 deletions(-)

diff --git a/Habitica/src/main/java/com/habitrpg/android/habitica/models/Tag.java b/Habitica/src/main/java/com/habitrpg/android/habitica/models/Tag.java
index 8b1233fae..f3c627180 100644
--- a/Habitica/src/main/java/com/habitrpg/android/habitica/models/Tag.java
+++ b/Habitica/src/main/java/com/habitrpg/android/habitica/models/Tag.java
@@ -89,4 +89,12 @@ public class Tag extends BaseModel {
         }
         return super.equals(o);
     }
+
+    @Override
+    public void save() {
+        if (user_id == null) {
+            return;
+        }
+        super.save();
+    }
 }
diff --git a/Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/tasks/TaskRecyclerViewFragment.java b/Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/tasks/TaskRecyclerViewFragment.java
index d9197bf41..cc5357638 100644
--- a/Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/tasks/TaskRecyclerViewFragment.java
+++ b/Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/tasks/TaskRecyclerViewFragment.java
@@ -86,6 +86,7 @@ public class TaskRecyclerViewFragment extends BaseFragment implements View.OnCli
     @BindView(R.id.empty_view_description)
     TextView emptyViewDescription;
 
+    @Nullable
     String classType;
     @Nullable
     private HabitRPGUser user;
@@ -261,25 +262,27 @@ public class TaskRecyclerViewFragment extends BaseFragment implements View.OnCli
                 }
             });
 
-            switch (this.classType) {
-                case Task.TYPE_HABIT: {
-                    this.emptyViewTitle.setText(R.string.empty_title_habits);
-                    this.emptyViewDescription.setText(R.string.empty_description_habits);
-                    break;
-                }
-                case Task.FREQUENCY_DAILY: {
-                    this.emptyViewTitle.setText(R.string.empty_title_dailies);
-                    this.emptyViewDescription.setText(R.string.empty_description_dailies);
-                    break;
-                }
-                case Task.TYPE_TODO: {
-                    this.emptyViewTitle.setText(R.string.empty_title_todos);
-                    this.emptyViewDescription.setText(R.string.empty_description_todos);
-                    break;
-                }
-                case Task.TYPE_REWARD: {
-                    this.emptyViewTitle.setText(R.string.empty_title_rewards);
-                    break;
+            if (this.classType != null) {
+                switch (this.classType) {
+                    case Task.TYPE_HABIT: {
+                        this.emptyViewTitle.setText(R.string.empty_title_habits);
+                        this.emptyViewDescription.setText(R.string.empty_description_habits);
+                        break;
+                    }
+                    case Task.FREQUENCY_DAILY: {
+                        this.emptyViewTitle.setText(R.string.empty_title_dailies);
+                        this.emptyViewDescription.setText(R.string.empty_description_dailies);
+                        break;
+                    }
+                    case Task.TYPE_TODO: {
+                        this.emptyViewTitle.setText(R.string.empty_title_todos);
+                        this.emptyViewDescription.setText(R.string.empty_description_todos);
+                        break;
+                    }
+                    case Task.TYPE_REWARD: {
+                        this.emptyViewTitle.setText(R.string.empty_title_rewards);
+                        break;
+                    }
                 }
             }
         }
@@ -322,7 +325,7 @@ public class TaskRecyclerViewFragment extends BaseFragment implements View.OnCli
     }
 
     String getClassName() {
-        return this.classType;
+        return this.classType != null ? this.classType : "";
     }
 
     @Subscribe
@@ -362,7 +365,9 @@ public class TaskRecyclerViewFragment extends BaseFragment implements View.OnCli
     }
 
     public void setActiveFilter(String activeFilter) {
-        taskFilterHelper.setActiveFilter(classType, activeFilter);
+        if (classType != null) {
+            taskFilterHelper.setActiveFilter(classType, activeFilter);
+        }
         recyclerAdapter.filter();
     }
 }