Fix crashes on scrolling posts using volume keys.

8 files changed, 43 insertions, 10 deletions

diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/AccountPostsActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/AccountPostsActivity.java
index ede80722..e855177d 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/AccountPostsActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/AccountPostsActivity.java
@@ -161,7 +161,11 @@ public class AccountPostsActivity extends BaseActivity implements SortTypeSelect
 
     @Override
     public boolean onKeyDown(int keyCode, KeyEvent event) {
-        return ((FragmentCommunicator) mFragment).handleKeyDown(keyCode) || super.onKeyDown(keyCode, event);
+        if (mFragment != null) {
+            return ((FragmentCommunicator) mFragment).handleKeyDown(keyCode) || super.onKeyDown(keyCode, event);
+        }
+
+        return super.onKeyDown(keyCode, event);
     }
 
     @Override
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/AccountSavedThingActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/AccountSavedThingActivity.java
index 1e1e7447..7f3f0341 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/AccountSavedThingActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/AccountSavedThingActivity.java
@@ -154,7 +154,11 @@ public class AccountSavedThingActivity extends BaseActivity {
 
     @Override
     public boolean onKeyDown(int keyCode, KeyEvent event) {
-        return sectionsPagerAdapter.handleKeyDown(keyCode) || super.onKeyDown(keyCode, event);
+        if (sectionsPagerAdapter != null) {
+            return sectionsPagerAdapter.handleKeyDown(keyCode) || super.onKeyDown(keyCode, event);
+        }
+
+        return super.onKeyDown(keyCode, event);
     }
 
     @Override
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/FilteredThingActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/FilteredThingActivity.java
index 71123450..bb2e40f6 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/FilteredThingActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/FilteredThingActivity.java
@@ -180,7 +180,11 @@ public class FilteredThingActivity extends BaseActivity implements SortTypeSelec
 
     @Override
     public boolean onKeyDown(int keyCode, KeyEvent event) {
-        return ((FragmentCommunicator) mFragment).handleKeyDown(keyCode) || super.onKeyDown(keyCode, event);
+        if (mFragment != null) {
+            return ((FragmentCommunicator) mFragment).handleKeyDown(keyCode) || super.onKeyDown(keyCode, event);
+        }
+
+        return super.onKeyDown(keyCode, event);
     }
 
     @Override
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/MainActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/MainActivity.java
index 865525d2..862ab95d 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/MainActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/MainActivity.java
@@ -942,7 +942,11 @@ public class MainActivity extends BaseActivity implements SortTypeSelectionCallb
 
     @Override
     public boolean onKeyDown(int keyCode, KeyEvent event) {
-        return sectionsPagerAdapter.handleKeyDown(keyCode) || super.onKeyDown(keyCode, event);
+        if (sectionsPagerAdapter != null) {
+            return sectionsPagerAdapter.handleKeyDown(keyCode) || super.onKeyDown(keyCode, event);
+        }
+
+        return super.onKeyDown(keyCode, event);
     }
 
     @Override
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/SearchResultActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/SearchResultActivity.java
index f077ee54..96685fec 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/SearchResultActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/SearchResultActivity.java
@@ -173,7 +173,10 @@ public class SearchResultActivity extends BaseActivity implements SortTypeSelect
 
     @Override
     public boolean onKeyDown(int keyCode, KeyEvent event) {
-        return sectionsPagerAdapter.handleKeyDown(keyCode) || super.onKeyDown(keyCode, event);
+        if (sectionsPagerAdapter != null) {
+            return sectionsPagerAdapter.handleKeyDown(keyCode) || super.onKeyDown(keyCode, event);
+        }
+        return super.onKeyDown(keyCode, event);
     }
 
     @Override
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewPostDetailActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewPostDetailActivity.java
index e516cdfc..63ebd1ce 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewPostDetailActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewPostDetailActivity.java
@@ -1564,10 +1564,14 @@ public class ViewPostDetailActivity extends BaseActivity implements FlairBottomS
     }
 
     public void lockSwipeRightToGoBack() {
-        mSlidrInterface.lock();
+        if (mSlidrInterface != null) {
+            mSlidrInterface.lock();
+        }
     }
 
     public void unlockSwipeRightToGoBack() {
-        mSlidrInterface.unlock();
+        if (mSlidrInterface != null) {
+            mSlidrInterface.unlock();
+        }
     }
 }
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewSubredditDetailActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewSubredditDetailActivity.java
index 77cbe4b9..cbec2aba 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewSubredditDetailActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewSubredditDetailActivity.java
@@ -336,7 +336,11 @@ public class ViewSubredditDetailActivity extends BaseActivity implements SortTyp
 
     @Override
     public boolean onKeyDown(int keyCode, KeyEvent event) {
-        return ((FragmentCommunicator)(mFragment)).handleKeyDown(keyCode) || super.onKeyDown(keyCode, event);
+        if (mFragment != null) {
+            return ((FragmentCommunicator)(mFragment)).handleKeyDown(keyCode) || super.onKeyDown(keyCode, event);
+        }
+
+        return super.onKeyDown(keyCode, event);
     }
 
     @Override
@@ -645,7 +649,9 @@ public class ViewSubredditDetailActivity extends BaseActivity implements SortTyp
             mSharedPreferences.edit().putString(SharedPreferencesUtils.SORT_TIME_SUBREDDIT_POST, sortType.getTime().name()).apply();
         }
 
-        ((PostFragment) mFragment).changeSortType(sortType);
+        if (mFragment != null) {
+            ((PostFragment) mFragment).changeSortType(sortType);
+        }
     }
 
     @Override
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewUserDetailActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewUserDetailActivity.java
index 90695fde..53eb9720 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewUserDetailActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewUserDetailActivity.java
@@ -399,7 +399,11 @@ public class ViewUserDetailActivity extends BaseActivity implements SortTypeSele
 
     @Override
     public boolean onKeyDown(int keyCode, KeyEvent event) {
-        return sectionsPagerAdapter.handleKeyDown(keyCode) || super.onKeyDown(keyCode, event);
+        if (sectionsPagerAdapter != null) {
+            return sectionsPagerAdapter.handleKeyDown(keyCode) || super.onKeyDown(keyCode, event);
+        }
+
+        return super.onKeyDown(keyCode, event);
     }
 
     @Override