+			}
153 
+			mDivider.draw(canvas);
154 
+		}
155 
+	}
156 
+}

+ 196 - 0
views/src/main/java/com/android/views/stickylistheaders/WrapperViewList.java
View File 

@@ -0,0 +1,196 @@
1 
+package com.android.views.stickylistheaders;
2 
+
3 
+import android.content.Context;
4 
+import android.graphics.Canvas;
5 
+import android.graphics.Rect;
6 
+import android.os.Build;
7 
+import android.view.View;
8 
+import android.widget.AbsListView;
9 
+import android.widget.ListView;
10 
+
11 
+import java.lang.reflect.Field;
12 
+import java.util.ArrayList;
13 
+import java.util.List;
14 
+
15 
+class WrapperViewList extends ListView {
16 
+
17 
+	interface LifeCycleListener {
18 
+		void onDispatchDrawOccurred(Canvas canvas);
19 
+	}
20 
+
21 
+	private LifeCycleListener mLifeCycleListener;
22 
+	private List<View> mFooterViews;
23 
+	private int mTopClippingLength;
24 
+	private Rect mSelectorRect = new Rect();// for if reflection fails
25 
+	private Field mSelectorPositionField;
26 
+	private boolean mClippingToPadding = true;
27 
+    private boolean mBlockLayoutChildren = false;
28 
+
29 
+	public WrapperViewList(Context context) {
30 
+		super(context);
31 
+
32 
+		// Use reflection to be able to change the size/position of the list
33 
+		// selector so it does not come under/over the header
34 
+		try {
35 
+			Field selectorRectField = AbsListView.class.getDeclaredField("mSelectorRect");
36 
+			selectorRectField.setAccessible(true);
37 
+			mSelectorRect = (Rect) selectorRectField.get(this);
38 
+
39 
+			if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
40 
+				mSelectorPositionField = AbsListView.class.getDeclaredField("mSelectorPosition");
41 
+				mSelectorPositionField.setAccessible(true);
42 
+			}
43 
+		} catch (NoSuchFieldException e) {
44 
+			e.printStackTrace();
45 
+		} catch (IllegalArgumentException e) {
46 
+			e.printStackTrace();
47 
+		} catch (IllegalAccessException e) {
48 
+			e.printStackTrace();
49 
+		}
50 
+	}
51 
+
52 
+	@Override
53 
+	public boolean performItemClick(View view, int position, long id) {
54 
+		if (view instanceof WrapperView) {
55 
+			view = ((WrapperView) view).mItem;
56 
+		}
57 
+		return super.performItemClick(view, position, id);
58 
+	}
59 
+
60 
+	private void positionSelectorRect() {
61 
+		if (!mSelectorRect.isEmpty()) {
62 
+			int selectorPosition = getSelectorPosition();
63 
+			if (selectorPosition >= 0) {
64 
+				int firstVisibleItem = getFixedFirstVisibleItem();
65 
+				View v = getChildAt(selectorPosition - firstVisibleItem);
66 
+				if (v instanceof WrapperView) {
67 
+					WrapperView wrapper = ((WrapperView) v);
68 
+					mSelectorRect.top = wrapper.getTop() + wrapper.mItemTop;
69 
+				}
70 
+			}
71 
+		}
72 
+	}
73 
+
74 
+	private int getSelectorPosition() {
75 
+		if (mSelectorPositionField == null) { // not all supported andorid
76 
+			// version have this variable
77 
+			for (int i = 0; i < getChildCount(); i++) {
78 
+				if (getChildAt(i).getBottom() == mSelectorRect.bottom) {
79 
+					return i + getFixedFirstVisibleItem();
80 
+				}
81 
+			}
82 
+		} else {
83 
+			try {
84 
+				return mSelectorPositionField.getInt(this);
85 
+			} catch (IllegalArgumentException e) {
86 
+				e.printStackTrace();
87 
+			} catch (IllegalAccessException e) {
88 
+				e.printStackTrace();
89 
+			}
90 
+		}
91 
+		return -1;
92 
+	}
93 
+
94 
+	@Override
95 
+	protected void dispatchDraw(Canvas canvas) {
96 
+		positionSelectorRect();
97 
+		if (mTopClippingLength != 0) {
98 
+			canvas.save();
99 
+			Rect clipping = canvas.getClipBounds();
100 
+			clipping.top = mTopClippingLength;
101 
+			canvas.clipRect(clipping);
102 
+			super.dispatchDraw(canvas);
103 
+			canvas.restore();
104 
+		} else {
105 
+			super.dispatchDraw(canvas);
106 
+		}
107 
+		mLifeCycleListener.onDispatchDrawOccurred(canvas);
108 
+	}
109 
+
110 
+	void setLifeCycleListener(LifeCycleListener lifeCycleListener) {
111 
+		mLifeCycleListener = lifeCycleListener;
112 
+	}
113 
+
114 
+	@Override
115 
+	public void addFooterView(View v) {
116 
+		super.addFooterView(v);
117 
+		addInternalFooterView(v);
118 
+	}
119 
+
120 
+	@Override
121 
+	public void addFooterView(View v, Object data, boolean isSelectable) {
122 
+		super.addFooterView(v, data, isSelectable);
123 
+		addInternalFooterView(v);
124 
+	}
125 
+
126 
+	private void addInternalFooterView(View v) {
127 
+		if (mFooterViews == null) {
128 
+			mFooterViews = new ArrayList<View>();
129 
+		}
130 
+		mFooterViews.add(v);
131 
+	}
132 
+
133 
+	@Override
134 
+	public boolean removeFooterView(View v) {
135 
+		if (super.removeFooterView(v)) {
136 
+			mFooterViews.remove(v);
137 
+			return true;
138 
+		}
139 
+		return false;
140 
+	}
141 
+
142 
+	boolean containsFooterView(View v) {
143 
+		if (mFooterViews == null) {
144 
+			return false;
145 
+		}
146 
+		return mFooterViews.contains(v);
147 
+	}
148 
+
149 
+	void setTopClippingLength(int topClipping) {
150 
+		mTopClippingLength = topClipping;
151 
+	}
152 
+
153 
+	int getFixedFirstVisibleItem() {
154 
+		int firstVisibleItem = getFirstVisiblePosition();
155 
+		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
156 
+			return firstVisibleItem;
157 
+		}
158 
+
159 
+		// first getFirstVisiblePosition() reports items
160 
+		// outside the view sometimes on old versions of android
161 
+		for (int i = 0; i < getChildCount(); i++) {
162 
+			if (getChildAt(i).getBottom() >= 0) {
163 
+				firstVisibleItem += i;
164 
+				break;
165 
+			}
166 
+		}
167 
+
168 
+		// work around to fix bug with firstVisibleItem being to high
169 
+		// because list view does not take clipToPadding=false into account
170 
+		// on old versions of android
171 
+		if (!mClippingToPadding && getPaddingTop() > 0 && firstVisibleItem > 0) {
172 
+			if (getChildAt(0).getTop() > 0) {
173 
+				firstVisibleItem -= 1;
174 
+			}
175 
+		}
176 
+
177 
+		return firstVisibleItem;
178 
+	}
179 
+
180 
+	@Override
181 
+	public void setClipToPadding(boolean clipToPadding) {
182 
+		mClippingToPadding = clipToPadding;
183 
+		super.setClipToPadding(clipToPadding);
184 
+	}
185 
+
186 
+    public void setBlockLayoutChildren(boolean block) {
187 
+        mBlockLayoutChildren = block;
188 
+    }
189 
+
190 
+    @Override
191 
+    protected void layoutChildren() {
192 
+        if (!mBlockLayoutChildren) {
193 
+            super.layoutChildren();
194 
+        }
195 
+    }
196 
+}

+ 34 - 0
views/src/main/res/values/attrs.xml
View File 

@@ -87,4 +87,38 @@
87 87 
     </declare-styleable>
88 88
89 89 
     <attr name="SwipeBackLayoutStyle" format="reference"/>
90 
+
91 
+    <declare-styleable name="StickyListHeadersListView">
92 
+        <attr name="stickyListHeadersListViewStyle" format="reference"/>
93 
+
94 
+        <!-- View attributes -->
95 
+        <attr name="android:clipToPadding" />
96 
+        <attr name="android:scrollbars" />
97 
+        <attr name="android:overScrollMode" />
98 
+        <attr name="android:padding" />
99 
+        <attr name="android:paddingLeft" />
100 
+        <attr name="android:paddingTop" />
101 
+        <attr name="android:paddingRight" />
102 
+        <attr name="android:paddingBottom" />
103 
+
104 
+        <!-- ListView attributes -->
105 
+        <attr name="android:fadingEdgeLength" />
106 
+        <attr name="android:requiresFadingEdge" />
107 
+        <attr name="android:cacheColorHint" />
108 
+        <attr name="android:choiceMode" />
109 
+        <attr name="android:drawSelectorOnTop" />
110 
+        <attr name="android:fastScrollEnabled" />
111 
+        <attr name="android:fastScrollAlwaysVisible" />
112 
+        <attr name="android:listSelector" />
113 
+        <attr name="android:scrollingCache" />
114 
+        <attr name="android:scrollbarStyle" />
115 
+        <attr name="android:divider" />
116 
+        <attr name="android:dividerHeight" />
117 
+        <attr name="android:transcriptMode" />
118 
+        <attr name="android:stackFromBottom" />
119 
+
120 
+        <!-- StickyListHeaders attributes -->
121 
+        <attr name="hasStickyHeaders" format="boolean" />
122 
+        <attr name="isDrawingListUnderStickyHeader" format="boolean" />
123 
+    </declare-styleable>
90 124 
 </resources>

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