Use requireContext()

h6ah4i · Dec 9, 2018 · c9b9cdd · c9b9cdd
1 parent b85627d
commit c9b9cdd
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Showing 17 changed files with 57 additions and 57 deletions.
diff --git a/...ava/com/h6ah4i/android/example/advrecyclerview/demo_d_basic/DraggableExampleFragment.java b/...ava/com/h6ah4i/android/example/advrecyclerview/demo_d_basic/DraggableExampleFragment.java
@@ -61,12 +61,12 @@ public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceStat
 
         //noinspection ConstantConditions
         mRecyclerView = getView().findViewById(R.id.recycler_view);
-        mLayoutManager = new LinearLayoutManager(getContext(), RecyclerView.VERTICAL, false);
+        mLayoutManager = new LinearLayoutManager(requireContext(), RecyclerView.VERTICAL, false);
 
         // drag & drop manager
         mRecyclerViewDragDropManager = new RecyclerViewDragDropManager();
         mRecyclerViewDragDropManager.setDraggingItemShadowDrawable(
-                (NinePatchDrawable) ContextCompat.getDrawable(getContext(), R.drawable.material_shadow_z3));
+                (NinePatchDrawable) ContextCompat.getDrawable(requireContext(), R.drawable.material_shadow_z3));
 
         //adapter
         final DraggableExampleItemAdapter myItemAdapter = new DraggableExampleItemAdapter(getDataProvider());
@@ -85,9 +85,9 @@ public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceStat
         if (supportsViewElevation()) {
             // Lollipop or later has native drop shadow feature. ItemShadowDecorator is not required.
         } else {
-            mRecyclerView.addItemDecoration(new ItemShadowDecorator((NinePatchDrawable) ContextCompat.getDrawable(getContext(), R.drawable.material_shadow_z1)));
+            mRecyclerView.addItemDecoration(new ItemShadowDecorator((NinePatchDrawable) ContextCompat.getDrawable(requireContext(), R.drawable.material_shadow_z1)));
         }
-        mRecyclerView.addItemDecoration(new SimpleListDividerDecorator(ContextCompat.getDrawable(getContext(), R.drawable.list_divider_h), true));
+        mRecyclerView.addItemDecoration(new SimpleListDividerDecorator(ContextCompat.getDrawable(requireContext(), R.drawable.list_divider_h), true));
 
         mRecyclerViewDragDropManager.attachRecyclerView(mRecyclerView);
 

diff --git a/...d/example/advrecyclerview/demo_d_check_can_drop/DraggableCheckCanDropExampleFragment.java b/...d/example/advrecyclerview/demo_d_check_can_drop/DraggableCheckCanDropExampleFragment.java
@@ -61,12 +61,12 @@ public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceStat
 
         //noinspection ConstantConditions
         mRecyclerView = getView().findViewById(R.id.recycler_view);
-        mLayoutManager = new LinearLayoutManager(getContext(), RecyclerView.VERTICAL, false);
+        mLayoutManager = new LinearLayoutManager(requireContext(), RecyclerView.VERTICAL, false);
 
         // drag & drop manager
         mRecyclerViewDragDropManager = new RecyclerViewDragDropManager();
         mRecyclerViewDragDropManager.setDraggingItemShadowDrawable(
-                (NinePatchDrawable) ContextCompat.getDrawable(getContext(), R.drawable.material_shadow_z3));
+                (NinePatchDrawable) ContextCompat.getDrawable(requireContext(), R.drawable.material_shadow_z3));
         mRecyclerViewDragDropManager.setCheckCanDropEnabled(true); // !!! this method is required to use onCheckCanDrop()
 
         //adapter
@@ -86,9 +86,9 @@ public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceStat
         if (supportsViewElevation()) {
             // Lollipop or later has native drop shadow feature. ItemShadowDecorator is not required.
         } else {
-            mRecyclerView.addItemDecoration(new ItemShadowDecorator((NinePatchDrawable) ContextCompat.getDrawable(getContext(), R.drawable.material_shadow_z1)));
+            mRecyclerView.addItemDecoration(new ItemShadowDecorator((NinePatchDrawable) ContextCompat.getDrawable(requireContext(), R.drawable.material_shadow_z1)));
         }
-        mRecyclerView.addItemDecoration(new SimpleListDividerDecorator(ContextCompat.getDrawable(getContext(), R.drawable.list_divider_h), true));
+        mRecyclerView.addItemDecoration(new SimpleListDividerDecorator(ContextCompat.getDrawable(requireContext(), R.drawable.list_divider_h), true));
 
         mRecyclerViewDragDropManager.attachRecyclerView(mRecyclerView);
 

diff --git a/.../com/h6ah4i/android/example/advrecyclerview/demo_d_grid/DraggableGridExampleFragment.java b/.../com/h6ah4i/android/example/advrecyclerview/demo_d_grid/DraggableGridExampleFragment.java
@@ -71,12 +71,12 @@ public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceStat
 
         //noinspection ConstantConditions
         mRecyclerView = getView().findViewById(R.id.recycler_view);
-        mLayoutManager = new GridLayoutManager(getContext(), 3, RecyclerView.VERTICAL, false);
+        mLayoutManager = new GridLayoutManager(requireContext(), 3, RecyclerView.VERTICAL, false);
 
         // drag & drop manager
         mRecyclerViewDragDropManager = new RecyclerViewDragDropManager();
         mRecyclerViewDragDropManager.setDraggingItemShadowDrawable(
-                (NinePatchDrawable) ContextCompat.getDrawable(getContext(), R.drawable.material_shadow_z3));
+                (NinePatchDrawable) ContextCompat.getDrawable(requireContext(), R.drawable.material_shadow_z3));
         // Start dragging after long press
         mRecyclerViewDragDropManager.setInitiateOnLongPress(true);
         mRecyclerViewDragDropManager.setInitiateOnMove(false);
@@ -105,7 +105,7 @@ public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceStat
         if (supportsViewElevation()) {
             // Lollipop or later has native drop shadow feature. ItemShadowDecorator is not required.
         } else {
-            mRecyclerView.addItemDecoration(new ItemShadowDecorator((NinePatchDrawable) ContextCompat.getDrawable(getContext(), R.drawable.material_shadow_z1)));
+            mRecyclerView.addItemDecoration(new ItemShadowDecorator((NinePatchDrawable) ContextCompat.getDrawable(requireContext(), R.drawable.material_shadow_z1)));
         }
 
         mRecyclerViewDragDropManager.attachRecyclerView(mRecyclerView);

diff --git a/...i/android/example/advrecyclerview/demo_d_on_longpress/DragOnLongPressExampleFragment.java b/...i/android/example/advrecyclerview/demo_d_on_longpress/DragOnLongPressExampleFragment.java
@@ -61,12 +61,12 @@ public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceStat
 
         //noinspection ConstantConditions
         mRecyclerView = getView().findViewById(R.id.recycler_view);
-        mLayoutManager = new LinearLayoutManager(getContext());
+        mLayoutManager = new LinearLayoutManager(requireContext());
 
         // drag & drop manager
         mRecyclerViewDragDropManager = new RecyclerViewDragDropManager();
         mRecyclerViewDragDropManager.setDraggingItemShadowDrawable(
-                (NinePatchDrawable) ContextCompat.getDrawable(getContext(), R.drawable.material_shadow_z3));
+                (NinePatchDrawable) ContextCompat.getDrawable(requireContext(), R.drawable.material_shadow_z3));
         // Start dragging after long press
         mRecyclerViewDragDropManager.setInitiateOnLongPress(true);
         mRecyclerViewDragDropManager.setInitiateOnMove(false);
@@ -88,9 +88,9 @@ public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceStat
         if (supportsViewElevation()) {
             // Lollipop or later has native drop shadow feature. ItemShadowDecorator is not required.
         } else {
-            mRecyclerView.addItemDecoration(new ItemShadowDecorator((NinePatchDrawable) ContextCompat.getDrawable(getContext(), R.drawable.material_shadow_z1)));
+            mRecyclerView.addItemDecoration(new ItemShadowDecorator((NinePatchDrawable) ContextCompat.getDrawable(requireContext(), R.drawable.material_shadow_z1)));
         }
-        mRecyclerView.addItemDecoration(new SimpleListDividerDecorator(ContextCompat.getDrawable(getContext(), R.drawable.list_divider_h), true));
+        mRecyclerView.addItemDecoration(new SimpleListDividerDecorator(ContextCompat.getDrawable(requireContext(), R.drawable.list_divider_h), true));
 
         mRecyclerViewDragDropManager.attachRecyclerView(mRecyclerView);
 

diff --git a/.../example/advrecyclerview/demo_d_staggered_grid/DraggableStaggeredGridExampleFragment.java b/.../example/advrecyclerview/demo_d_staggered_grid/DraggableStaggeredGridExampleFragment.java
@@ -65,7 +65,7 @@ public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceStat
         // drag & drop manager
         mRecyclerViewDragDropManager = new RecyclerViewDragDropManager();
         mRecyclerViewDragDropManager.setDraggingItemShadowDrawable(
-                (NinePatchDrawable) ContextCompat.getDrawable(getContext(), R.drawable.material_shadow_z3));
+                (NinePatchDrawable) ContextCompat.getDrawable(requireContext(), R.drawable.material_shadow_z3));
         // Start dragging after long press
         mRecyclerViewDragDropManager.setInitiateOnLongPress(true);
         mRecyclerViewDragDropManager.setInitiateOnMove(false);
@@ -89,7 +89,7 @@ public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceStat
         if (supportsViewElevation()) {
             // Lollipop or later has native drop shadow feature. ItemShadowDecorator is not required.
         } else {
-            mRecyclerView.addItemDecoration(new ItemShadowDecorator((NinePatchDrawable) ContextCompat.getDrawable(getContext(), R.drawable.material_shadow_z1)));
+            mRecyclerView.addItemDecoration(new ItemShadowDecorator((NinePatchDrawable) ContextCompat.getDrawable(requireContext(), R.drawable.material_shadow_z1)));
         }
 
         mRecyclerViewDragDropManager.attachRecyclerView(mRecyclerView);

diff --git a/...roid/example/advrecyclerview/demo_d_with_section/DraggableWithSectionExampleFragment.java b/...roid/example/advrecyclerview/demo_d_with_section/DraggableWithSectionExampleFragment.java
@@ -61,12 +61,12 @@ public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceStat
 
         //noinspection ConstantConditions
         mRecyclerView = getView().findViewById(R.id.recycler_view);
-        mLayoutManager = new LinearLayoutManager(getContext());
+        mLayoutManager = new LinearLayoutManager(requireContext());
 
         // drag & drop manager
         mRecyclerViewDragDropManager = new RecyclerViewDragDropManager();
         mRecyclerViewDragDropManager.setDraggingItemShadowDrawable(
-                (NinePatchDrawable) ContextCompat.getDrawable(getContext(), R.drawable.material_shadow_z3));
+                (NinePatchDrawable) ContextCompat.getDrawable(requireContext(), R.drawable.material_shadow_z3));
 
         //adapter
         final DraggableWithSectionExampleAdapter myItemAdapter = new DraggableWithSectionExampleAdapter(getDataProvider());
@@ -85,9 +85,9 @@ public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceStat
         if (supportsViewElevation()) {
             // Lollipop or later has native drop shadow feature. ItemShadowDecorator is not required.
         } else {
-            mRecyclerView.addItemDecoration(new ItemShadowDecorator((NinePatchDrawable) ContextCompat.getDrawable(getContext(), R.drawable.material_shadow_z1)));
+            mRecyclerView.addItemDecoration(new ItemShadowDecorator((NinePatchDrawable) ContextCompat.getDrawable(requireContext(), R.drawable.material_shadow_z1)));
         }
-        mRecyclerView.addItemDecoration(new SimpleListDividerDecorator(ContextCompat.getDrawable(getContext(), R.drawable.list_divider_h), true));
+        mRecyclerView.addItemDecoration(new SimpleListDividerDecorator(ContextCompat.getDrawable(requireContext(), R.drawable.list_divider_h), true));
 
         mRecyclerViewDragDropManager.attachRecyclerView(mRecyclerView);
 

diff --git a/...com/h6ah4i/android/example/advrecyclerview/demo_ds/DraggableSwipeableExampleFragment.java b/...com/h6ah4i/android/example/advrecyclerview/demo_ds/DraggableSwipeableExampleFragment.java
@@ -65,7 +65,7 @@ public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceStat
 
         //noinspection ConstantConditions
         mRecyclerView = getView().findViewById(R.id.recycler_view);
-        mLayoutManager = new LinearLayoutManager(getContext());
+        mLayoutManager = new LinearLayoutManager(requireContext());
 
         // touch guard manager  (this class is required to suppress scrolling while swipe-dismiss animation is running)
         mRecyclerViewTouchActionGuardManager = new RecyclerViewTouchActionGuardManager();
@@ -75,7 +75,7 @@ public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceStat
         // drag & drop manager
         mRecyclerViewDragDropManager = new RecyclerViewDragDropManager();
         mRecyclerViewDragDropManager.setDraggingItemShadowDrawable(
-                (NinePatchDrawable) ContextCompat.getDrawable(getContext(), R.drawable.material_shadow_z3));
+                (NinePatchDrawable) ContextCompat.getDrawable(requireContext(), R.drawable.material_shadow_z3));
 
         // swipe manager
         mRecyclerViewSwipeManager = new RecyclerViewSwipeManager();
@@ -119,9 +119,9 @@ public void onItemViewClicked(View v, boolean pinned) {
         if (supportsViewElevation()) {
             // Lollipop or later has native drop shadow feature. ItemShadowDecorator is not required.
         } else {
-            mRecyclerView.addItemDecoration(new ItemShadowDecorator((NinePatchDrawable) ContextCompat.getDrawable(getContext(), R.drawable.material_shadow_z1)));
+            mRecyclerView.addItemDecoration(new ItemShadowDecorator((NinePatchDrawable) ContextCompat.getDrawable(requireContext(), R.drawable.material_shadow_z1)));
         }
-        mRecyclerView.addItemDecoration(new SimpleListDividerDecorator(ContextCompat.getDrawable(getContext(), R.drawable.list_divider_h), true));
+        mRecyclerView.addItemDecoration(new SimpleListDividerDecorator(ContextCompat.getDrawable(requireContext(), R.drawable.list_divider_h), true));
 
         // NOTE:
         // The initialization order is very important! This order determines the priority of touch event handling.

diff --git a/...android/example/advrecyclerview/demo_e_add_remove/AddRemoveExpandableExampleFragment.java b/...android/example/advrecyclerview/demo_e_add_remove/AddRemoveExpandableExampleFragment.java
@@ -71,7 +71,7 @@ public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceStat
 
         //noinspection ConstantConditions
         mRecyclerView = getView().findViewById(R.id.recycler_view);
-        mLayoutManager = new LinearLayoutManager(getContext());
+        mLayoutManager = new LinearLayoutManager(requireContext());
 
         final Parcelable eimSavedState = (savedInstanceState != null) ? savedInstanceState.getParcelable(SAVED_STATE_EXPANDABLE_ITEM_MANAGER) : null;
         mRecyclerViewExpandableItemManager = new RecyclerViewExpandableItemManager(eimSavedState);
@@ -101,9 +101,9 @@ public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceStat
         if (supportsViewElevation()) {
             // Lollipop or later has native drop shadow feature. ItemShadowDecorator is not required.
         } else {
-            mRecyclerView.addItemDecoration(new ItemShadowDecorator((NinePatchDrawable) ContextCompat.getDrawable(getContext(), R.drawable.material_shadow_z1)));
+            mRecyclerView.addItemDecoration(new ItemShadowDecorator((NinePatchDrawable) ContextCompat.getDrawable(requireContext(), R.drawable.material_shadow_z1)));
         }
-        mRecyclerView.addItemDecoration(new SimpleListDividerDecorator(ContextCompat.getDrawable(getContext(), R.drawable.list_divider_h), true));
+        mRecyclerView.addItemDecoration(new SimpleListDividerDecorator(ContextCompat.getDrawable(requireContext(), R.drawable.list_divider_h), true));
 
         mRecyclerViewExpandableItemManager.attachRecyclerView(mRecyclerView);
     }

diff --git a/...vrecyclerview/demo_e_already_expanded/AlreadyExpandedGroupsExpandableExampleFragment.java b/...vrecyclerview/demo_e_already_expanded/AlreadyExpandedGroupsExpandableExampleFragment.java
@@ -68,7 +68,7 @@ public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceStat
 
         //noinspection ConstantConditions
         mRecyclerView = getView().findViewById(R.id.recycler_view);
-        mLayoutManager = new LinearLayoutManager(getContext());
+        mLayoutManager = new LinearLayoutManager(requireContext());
 
         final Parcelable eimSavedState = (savedInstanceState != null) ? savedInstanceState.getParcelable(SAVED_STATE_EXPANDABLE_ITEM_MANAGER) : null;
         mRecyclerViewExpandableItemManager = new RecyclerViewExpandableItemManager(eimSavedState);
@@ -101,9 +101,9 @@ public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceStat
         if (supportsViewElevation()) {
             // Lollipop or later has native drop shadow feature. ItemShadowDecorator is not required.
         } else {
-            mRecyclerView.addItemDecoration(new ItemShadowDecorator((NinePatchDrawable) ContextCompat.getDrawable(getContext(), R.drawable.material_shadow_z1)));
+            mRecyclerView.addItemDecoration(new ItemShadowDecorator((NinePatchDrawable) ContextCompat.getDrawable(requireContext(), R.drawable.material_shadow_z1)));
         }
-        mRecyclerView.addItemDecoration(new SimpleListDividerDecorator(ContextCompat.getDrawable(getContext(), R.drawable.list_divider_h), true));
+        mRecyclerView.addItemDecoration(new SimpleListDividerDecorator(ContextCompat.getDrawable(requireContext(), R.drawable.list_divider_h), true));
 
         mRecyclerViewExpandableItemManager.attachRecyclerView(mRecyclerView);
     }

diff --git a/...va/com/h6ah4i/android/example/advrecyclerview/demo_e_basic/ExpandableExampleFragment.java b/...va/com/h6ah4i/android/example/advrecyclerview/demo_e_basic/ExpandableExampleFragment.java
@@ -66,7 +66,7 @@ public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceStat
 
         //noinspection ConstantConditions
         mRecyclerView = getView().findViewById(R.id.recycler_view);
-        mLayoutManager = new LinearLayoutManager(getContext());
+        mLayoutManager = new LinearLayoutManager(requireContext());
 
         final Parcelable eimSavedState = (savedInstanceState != null) ? savedInstanceState.getParcelable(SAVED_STATE_EXPANDABLE_ITEM_MANAGER) : null;
         mRecyclerViewExpandableItemManager = new RecyclerViewExpandableItemManager(eimSavedState);
@@ -94,9 +94,9 @@ public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceStat
         if (supportsViewElevation()) {
             // Lollipop or later has native drop shadow feature. ItemShadowDecorator is not required.
         } else {
-            mRecyclerView.addItemDecoration(new ItemShadowDecorator((NinePatchDrawable) ContextCompat.getDrawable(getContext(), R.drawable.material_shadow_z1)));
+            mRecyclerView.addItemDecoration(new ItemShadowDecorator((NinePatchDrawable) ContextCompat.getDrawable(requireContext(), R.drawable.material_shadow_z1)));
         }
-        mRecyclerView.addItemDecoration(new SimpleListDividerDecorator(ContextCompat.getDrawable(getContext(), R.drawable.list_divider_h), true));
+        mRecyclerView.addItemDecoration(new SimpleListDividerDecorator(ContextCompat.getDrawable(requireContext(), R.drawable.list_divider_h), true));
 
         mRecyclerViewExpandableItemManager.attachRecyclerView(mRecyclerView);
     }

diff --git a/...e/advrecyclerview/demo_ed_with_section/ExpandableDraggableWithSectionExampleFragment.java b/...e/advrecyclerview/demo_ed_with_section/ExpandableDraggableWithSectionExampleFragment.java
@@ -69,7 +69,7 @@ public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceStat
 
         //noinspection ConstantConditions
         mRecyclerView = getView().findViewById(R.id.recycler_view);
-        mLayoutManager = new LinearLayoutManager(getContext());
+        mLayoutManager = new LinearLayoutManager(requireContext());
 
         final Parcelable eimSavedState = (savedInstanceState != null) ? savedInstanceState.getParcelable(SAVED_STATE_EXPANDABLE_ITEM_MANAGER) : null;
         mRecyclerViewExpandableItemManager = new RecyclerViewExpandableItemManager(eimSavedState);
@@ -79,7 +79,7 @@ public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceStat
         // drag & drop manager
         mRecyclerViewDragDropManager = new RecyclerViewDragDropManager();
         mRecyclerViewDragDropManager.setDraggingItemShadowDrawable(
-                (NinePatchDrawable) ContextCompat.getDrawable(getContext(), R.drawable.material_shadow_z3));
+                (NinePatchDrawable) ContextCompat.getDrawable(requireContext(), R.drawable.material_shadow_z3));
 
         //adapter
         final ExpandableDraggableWithSectionExampleAdapter myItemAdapter = new ExpandableDraggableWithSectionExampleAdapter(getDataProvider());
@@ -108,9 +108,9 @@ public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceStat
         if (supportsViewElevation()) {
             // Lollipop or later has native drop shadow feature. ItemShadowDecorator is not required.
         } else {
-            mRecyclerView.addItemDecoration(new ItemShadowDecorator((NinePatchDrawable) ContextCompat.getDrawable(getContext(), R.drawable.material_shadow_z1)));
+            mRecyclerView.addItemDecoration(new ItemShadowDecorator((NinePatchDrawable) ContextCompat.getDrawable(requireContext(), R.drawable.material_shadow_z1)));
         }
-        mRecyclerView.addItemDecoration(new SimpleListDividerDecorator(ContextCompat.getDrawable(getContext(), R.drawable.list_divider_h), true));
+        mRecyclerView.addItemDecoration(new SimpleListDividerDecorator(ContextCompat.getDrawable(requireContext(), R.drawable.list_divider_h), true));
 
 
         // NOTE: