remove useless part when declare List.

demo/src/main/java/com/daimajia/swipedemo/ListViewExample.java

@@ -53,7 +53,8 @@ public class ListViewExample extends Activity {
         mListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
             @Override
             public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
-                ((SwipeLayout)(mListView.getChildAt(position - mListView.getFirstVisiblePosition()))).open(true);
+                Toast.makeText(mContext, "Click", Toast.LENGTH_SHORT).show();
+//                ((SwipeLayout) (mListView.getChildAt(position - mListView.getFirstVisiblePosition()))).open(true);
             }
         });
         mListView.setOnTouchListener(new View.OnTouchListener() {

library/src/main/java/com/daimajia/swipe/SwipeLayout.java

@@ -43,15 +43,15 @@ public class SwipeLayout extends FrameLayout {
     private ViewDragHelper mDragHelper;
 
     private int mDragDistance = 0;
-    private LinkedHashMap<DragEdge, View> mDragEdges = new LinkedHashMap<DragEdge, View>();
+    private LinkedHashMap<DragEdge, View> mDragEdges = new LinkedHashMap<>();
     private ShowMode mShowMode;
 
     private float[] mEdgeSwipesOffset = new float[4];
 
-    private List<SwipeListener> mSwipeListeners = new ArrayList<SwipeListener>();
-    private List<SwipeDenier> mSwipeDeniers = new ArrayList<SwipeDenier>();
-    private Map<View, ArrayList<OnRevealListener>> mRevealListeners = new HashMap<View, ArrayList<OnRevealListener>>();
-    private Map<View, Boolean> mShowEntirely = new HashMap<View, Boolean>();
+    private List<SwipeListener> mSwipeListeners = new ArrayList<>();
+    private List<SwipeDenier> mSwipeDeniers = new ArrayList<>();
+    private Map<View, ArrayList<OnRevealListener>> mRevealListeners = new HashMap<>();
+    private Map<View, Boolean> mShowEntirely = new HashMap<>();
 
     private DoubleClickListener mDoubleClickListener;
 
@@ -59,14 +59,14 @@ public class SwipeLayout extends FrameLayout {
     private boolean[] mSwipesEnabled = new boolean[]{true, true, true, true};
     private boolean mClickToClose = false;
 
-    public static enum DragEdge {
+    public enum DragEdge {
         Left,
         Top,
         Right,
         Bottom
     }
 
-    public static enum ShowMode {
+    public enum ShowMode {
         LayDown,
         PullOut
     }
@@ -111,17 +111,17 @@ public class SwipeLayout extends FrameLayout {
     }
 
     public interface SwipeListener {
-        public void onStartOpen(SwipeLayout layout);
+        void onStartOpen(SwipeLayout layout);
 
-        public void onOpen(SwipeLayout layout);
+        void onOpen(SwipeLayout layout);
 
-        public void onStartClose(SwipeLayout layout);
+        void onStartClose(SwipeLayout layout);
 
-        public void onClose(SwipeLayout layout);
+        void onClose(SwipeLayout layout);
 
-        public void onUpdate(SwipeLayout layout, int leftOffset, int topOffset);
+        void onUpdate(SwipeLayout layout, int leftOffset, int topOffset);
 
-        public void onHandRelease(SwipeLayout layout, float xvel, float yvel);
+        void onHandRelease(SwipeLayout layout, float xvel, float yvel);
     }
 
     public void addSwipeListener(SwipeListener l) {
@@ -132,7 +132,11 @@ public class SwipeLayout extends FrameLayout {
         mSwipeListeners.remove(l);
     }
 
-    public static interface SwipeDenier {
+    public void removeAllSwipeListener() {
+        mSwipeListeners.clear();
+    }
+
+    public interface SwipeDenier {
         /*
          * Called in onInterceptTouchEvent Determines if this swipe event should
          * be denied Implement this interface if you are using views with swipe
@@ -140,7 +144,7 @@ public class SwipeLayout extends FrameLayout {
          * 
          * @return true deny false allow
          */
-        public boolean shouldDenySwipe(MotionEvent ev);
+        boolean shouldDenySwipe(MotionEvent ev);
     }
 
     public void addSwipeDenier(SwipeDenier denier) {
@@ -156,7 +160,7 @@ public class SwipeLayout extends FrameLayout {
     }
 
     public interface OnRevealListener {
-        public void onReveal(View child, DragEdge edge, float fraction, int distance);
+        void onReveal(View child, DragEdge edge, float fraction, int distance);
     }
 
     /**
@@ -326,6 +330,7 @@ public class SwipeLayout extends FrameLayout {
         }
 
         boolean isCloseBeforeDrag = true;
+
         @Override
         public void onViewReleased(View releasedChild, float xvel, float yvel) {
             super.onViewReleased(releasedChild, xvel, yvel);
@@ -642,7 +647,7 @@ public class SwipeLayout extends FrameLayout {
      * to support it from API 8.
      */
     public interface OnLayout {
-        public void onLayout(SwipeLayout v);
+        void onLayout(SwipeLayout v);
     }
 
     private List<OnLayout> mOnLayoutListeners;
@@ -655,23 +660,29 @@ public class SwipeLayout extends FrameLayout {
     public void removeOnLayoutListener(OnLayout l) {
         if (mOnLayoutListeners != null) mOnLayoutListeners.remove(l);
     }
+
     public void clearDragEdge() {
         mDragEdges.clear();
     }
+
     public void setDrag(DragEdge dragEdge, int childId) {
         clearDragEdge();
         addDrag(dragEdge, childId);
     }
+
     public void setDrag(DragEdge dragEdge, View child) {
         clearDragEdge();
         addDrag(dragEdge, child);
     }
+
     public void addDrag(DragEdge dragEdge, int childId) {
         addDrag(dragEdge, findViewById(childId), null);
     }
+
     public void addDrag(DragEdge dragEdge, View child) {
         addDrag(dragEdge, child, null);
     }
+
     public void addDrag(DragEdge dragEdge, View child, ViewGroup.LayoutParams params) {
         if (child == null) return;
 
@@ -683,16 +694,25 @@ public class SwipeLayout extends FrameLayout {
         }
         int gravity = -1;
         switch (dragEdge) {
-            case Left:gravity = Gravity.LEFT;break;
-            case Right:gravity = Gravity.RIGHT;break;
-            case Top:gravity = Gravity.TOP;break;
-            case Bottom:gravity = Gravity.BOTTOM;break;
+            case Left:
+                gravity = Gravity.LEFT;
+                break;
+            case Right:
+                gravity = Gravity.RIGHT;
+                break;
+            case Top:
+                gravity = Gravity.TOP;
+                break;
+            case Bottom:
+                gravity = Gravity.BOTTOM;
+                break;
         }
         if (params instanceof FrameLayout.LayoutParams) {
             ((LayoutParams) params).gravity = gravity;
         }
         addView(child, 0, params);
     }
+
     @Override
     public void addView(View child, int index, ViewGroup.LayoutParams params) {
         if (child == null) return;
@@ -771,6 +791,7 @@ public class SwipeLayout extends FrameLayout {
     }
 
     private boolean mIsBeingDragged;
+
     private void checkCanDrag(MotionEvent ev) {
         if (mIsBeingDragged) return;
         if (getOpenStatus() == Status.Middle) {
@@ -843,6 +864,7 @@ public class SwipeLayout extends FrameLayout {
         }
         mIsBeingDragged = !doNothing;
     }
+
     @Override
     public boolean onInterceptTouchEvent(MotionEvent ev) {
         if (!isSwipeEnabled()) {
@@ -932,6 +954,7 @@ public class SwipeLayout extends FrameLayout {
 
         return super.onTouchEvent(event) || mIsBeingDragged || action == MotionEvent.ACTION_DOWN;
     }
+
     public boolean isClickToClose() {
         return mClickToClose;
     }
@@ -987,6 +1010,7 @@ public class SwipeLayout extends FrameLayout {
     public void setBottomSwipeEnabled(boolean bottomSwipeEnabled) {
         this.mSwipesEnabled[DragEdge.Bottom.ordinal()] = bottomSwipeEnabled;
     }
+
     private boolean insideAdapterView() {
         return getAdapterView() != null;
     }
@@ -1011,6 +1035,7 @@ public class SwipeLayout extends FrameLayout {
             }
         }
     }
+
     private boolean performAdapterViewItemLongClick() {
         if (getOpenStatus() != Status.Close) return false;
         ViewParent t = getParent();
@@ -1039,6 +1064,7 @@ public class SwipeLayout extends FrameLayout {
         }
         return false;
     }
+
     @Override
     protected void onAttachedToWindow() {
         super.onAttachedToWindow();
@@ -1062,13 +1088,17 @@ public class SwipeLayout extends FrameLayout {
             }
         }
     }
+
     OnClickListener clickListener;
+
     @Override
     public void setOnClickListener(OnClickListener l) {
         super.setOnClickListener(l);
         clickListener = l;
     }
+
     OnLongClickListener longClickListener;
+
     @Override
     public void setOnLongClickListener(OnLongClickListener l) {
         super.setOnLongClickListener(l);
@@ -1076,6 +1106,7 @@ public class SwipeLayout extends FrameLayout {
     }
 
     private Rect hitSurfaceRect;
+
     private boolean isTouchOnSurface(MotionEvent ev) {
         View surfaceView = getSurfaceView();
         if (surfaceView == null) {
@@ -1087,6 +1118,7 @@ public class SwipeLayout extends FrameLayout {
         surfaceView.getHitRect(hitSurfaceRect);
         return hitSurfaceRect.contains((int) ev.getX(), (int) ev.getY());
     }
+
     private GestureDetector gestureDetector = new GestureDetector(getContext(), new SwipeDetector());
 
     class SwipeDetector extends GestureDetector.SimpleOnGestureListener {
@@ -1097,6 +1129,7 @@ public class SwipeLayout extends FrameLayout {
             }
             return super.onSingleTapUp(e);
         }
+
         @Override
         public boolean onDoubleTap(MotionEvent e) {
             if (mDoubleClickListener != null) {
@@ -1151,13 +1184,17 @@ public class SwipeLayout extends FrameLayout {
         return mShowMode;
     }
 
-    /**return null if there is no surface view(no children) */
+    /**
+     * return null if there is no surface view(no children)
+     */
     public View getSurfaceView() {
         if (getChildCount() == 0) return null;
         return getChildAt(getChildCount() - 1);
     }
 
-    /**return null if there is no bottom view */
+    /**
+     * return null if there is no bottom view
+     */
     @Nullable
     public View getCurrentBottomView() {
         List<View> bottoms = getBottomViews();
@@ -1166,6 +1203,7 @@ public class SwipeLayout extends FrameLayout {
         }
         return null;
     }
+
     /**
      * @return all bottomViews: left, top, right, bottom (may null if the edge is not set)
      */
@@ -1364,6 +1402,7 @@ public class SwipeLayout extends FrameLayout {
 
     /**
      * a helper function to compute the Rect area that surface will hold in.
+     *
      * @param open open status or close status.
      */
     private Rect computeSurfaceLayoutArea(boolean open) {
@@ -1438,7 +1477,7 @@ public class SwipeLayout extends FrameLayout {
     }
 
     public interface DoubleClickListener {
-        public void onDoubleClick(SwipeLayout layout, boolean surface);
+        void onDoubleClick(SwipeLayout layout, boolean surface);
     }
 
     private int dp2px(float dp) {
@@ -1446,7 +1485,9 @@ public class SwipeLayout extends FrameLayout {
     }
 
 
-    /**Deprecated, use {@link #setDrag(DragEdge, View)} */
+    /**
+     * Deprecated, use {@link #setDrag(DragEdge, View)}
+     */
     @Deprecated
     public void setDragEdge(DragEdge dragEdge) {
         clearDragEdge();
@@ -1463,17 +1504,22 @@ public class SwipeLayout extends FrameLayout {
             }
         }
     }
+
     public Map<DragEdge, View> getDragEdgeMap() {
         return mDragEdges;
     }
 
-    /**Deprecated, use {@link #getDragEdgeMap()} */
+    /**
+     * Deprecated, use {@link #getDragEdgeMap()}
+     */
     @Deprecated
     public List<DragEdge> getDragEdges() {
         return new ArrayList<DragEdge>(mDragEdges.keySet());
     }
 
-    /**Deprecated, use {@link #setDrag(DragEdge, View)} */
+    /**
+     * Deprecated, use {@link #setDrag(DragEdge, View)}
+     */
     @Deprecated
     public void setDragEdges(List<DragEdge> dragEdges) {
         clearDragEdge();
@@ -1488,12 +1534,15 @@ public class SwipeLayout extends FrameLayout {
         }
     }
 
-    /**Deprecated, use {@link #addDrag(DragEdge, View)} */
+    /**
+     * Deprecated, use {@link #addDrag(DragEdge, View)}
+     */
     @Deprecated
     public void setDragEdges(DragEdge... mDragEdges) {
         clearDragEdge();
         setDragEdges(Arrays.asList(mDragEdges));
     }
+
     /**
      * Deprecated, use {@link #addDrag(DragEdge, View)}
      * When using multiple drag edges it's a good idea to pass the ids of the views that
@@ -1522,13 +1571,16 @@ public class SwipeLayout extends FrameLayout {
         if (currentBottomView != null) {
             if (mCurrentDragEdge == DragEdge.Left || mCurrentDragEdge == DragEdge.Right) {
                 mDragDistance = currentBottomView.getMeasuredWidth() - dp2px(getCurrentOffset());
+            } else {
+                mDragDistance = currentBottomView.getMeasuredHeight() - dp2px(getCurrentOffset());
             }
-            else mDragDistance = currentBottomView.getMeasuredHeight() - dp2px(getCurrentOffset());
         }
 
-        if (mShowMode == ShowMode.PullOut)
+        if (mShowMode == ShowMode.PullOut) {
             layoutPullOut();
-        else if (mShowMode == ShowMode.LayDown) layoutLayDown();
+        } else if (mShowMode == ShowMode.LayDown) {
+            layoutLayDown();
+        }
 
         safeBottomView();
     }