static View GetFrontmostChildAt(ViewGroup viewGroup, int x, int y)
{
var locArray = new int[2];
for (int i = viewGroup.ChildCount - 1; i >= 0; i--)
{
var child = viewGroup.GetChildAt(i);
child.GetLocationOnScreen(locArray);
var frame = new AG.Rect(
locArray [0],
locArray [1],
locArray [0] + child.Width,
locArray [1] + child.Height);
if (!frame.Contains(x, y))
{
continue;
}
var childGroup = child as ViewGroup;
if (childGroup != null)
{
var grandChild = GetFrontmostChildAt(childGroup, x, y);
if (grandChild != null)
{
return(grandChild);
}
}
return(child);
}
return(null);
}
private bool IsHit(Droppable droppable, int x, int y)
{
Rect hitRect = new Rect(0, 0, droppable.View.Width, droppable.View.Height);
OffsetDescendantRectToMyCoords(droppable.View, hitRect);
return hitRect.Contains(x, y);
}
private bool IsInIgnoredView(MotionEvent ev)
{
var rect = new Rect();
foreach (var v in _ignoredViews)
{
v.GetHitRect(rect);
if (rect.Contains((int) ev.GetX(), (int) ev.GetY()))
return true;
}
return false;
}
bool OnDown (MotionEvent motionEvent)
{
if (_paused) {
return false;
}
var rect = new Rect ();
int childCount = _listView.ChildCount;
var listViewCoords = new int[2];
_listView.GetLocationOnScreen (listViewCoords);
int x = (int)motionEvent.RawX - listViewCoords [0];
int y = (int)motionEvent.RawY - listViewCoords [1];
View child;
for (int i = 0; i < childCount; i++) {
child = _listView.GetChildAt (i);
child.GetHitRect (rect);
if (rect.Contains (x, y)) {
_downView = child;
break;
}
}
if (_downView != null) {
mDownX = motionEvent.RawX;
mDownY = motionEvent.RawY;
_downPosition = _listView.GetPositionForView (_downView);
if (_dismissCommand.CanExecute (_downPosition)) {
_velocityTracker = VelocityTracker.Obtain ();
_velocityTracker.AddMovement (motionEvent);
} else {
_downView = null;
}
}
return false;
}
public override bool OnTouchEvent(MotionEvent ev)
{
var hist = 0.0f;
var deltaY = 0.0f;
var listY = 0.0f;
_historyEvent = ev;
vT.AddMovement(ev);
if (_overscrolling)
{
var firstOverscroll = _firstOverscroll;
_firstOverscroll = false;
if (ev.Action == MotionEventActions.Move && ev.HistorySize >= 1)
{
hist = ev.GetHistoricalY(0, 0);
deltaY = ev.GetY() - hist;
listY = _listView.GetY();
if (_header != null)
{
var headerY = _header.GetY();
if (deltaY > 0)
{
if ((int)Math.Ceiling(headerY) == (0))
{
return _listView.DispatchTouchEvent(ev);
}
if (headerY + deltaY <= (0))
{
UpdateHeaderPosition(deltaY);
_listView.SetY(_listView.GetY() + deltaY);
_listView.LayoutParameters.Height = (int)Math.Ceiling(_listView.LayoutParameters.Height + deltaY);
_listView.Invalidate();
return true;
}
if (headerY + deltaY > 0)
{
deltaY = 0 - headerY;
UpdateHeaderPosition(0 - headerY);
_listView.SetY(_listView.GetY() + deltaY);
_listView.LayoutParameters.Height = (int)Math.Ceiling(_listView.LayoutParameters.Height + deltaY);
_listView.Invalidate();
return true;
}
}
if (deltaY < 0)
{
_overscrolling = false;
}
}
if (listY + deltaY <= 0)
{
deltaY = 0 - listY;
_overscrolling = false;
}
else if (deltaY > 0)
{
deltaY *= 0.4f;
}
Log.Info("OverScrollingIntercept", "{0}", deltaY);
_listView.SetY(_listView.GetY() + deltaY);
_lastHistory = ev.HistorySize;
}
else if (ev.Action == MotionEventActions.Up)
{
_overscrolling = false;
_lastHistory = 0;
_listView.Animate().Y(_header != null ? _header.Height : 0.0f).SetDuration(250).Start();
}
Log.Info("Interceptor", "Overscrolling True");
return true;
}
var hitRect = new Rect();
_header.GetHitRect(hitRect);
if (hitRect.Contains((int)Math.Ceiling(ev.GetX()), (int)Math.Ceiling(ev.GetY())))
{
return _header.DispatchTouchEvent(ev);
}
else
{
if (_header != null )
{
var headerY = _header.GetY();
if (ev.Action == MotionEventActions.Move && ev.HistorySize >= 1)
{
hist = ev.GetHistoricalY(0, 0);
deltaY = ev.GetY() - hist;
if (deltaY < 0)
{
if ((int) Math.Ceiling(headerY) == (0 - _header.Height))
{
return _listView.DispatchTouchEvent(ev);
}
if (headerY + deltaY >= (0 - _header.Height))
{
UpdateHeaderPosition(deltaY);
_listView.SetY(_listView.GetY()+deltaY);
_listView.LayoutParameters.Height = (int)Math.Ceiling(_listView.LayoutParameters.Height - deltaY);
_listView.RequestLayout();
return true;
}
else if (headerY + deltaY < (0 - _header.Height))
{
deltaY = 0 - ( headerY + _header.Height);
UpdateHeaderPosition(deltaY);
_listView.SetY(_listView.GetY() + deltaY);
_listView.LayoutParameters.Height = (int)Math.Ceiling(_listView.LayoutParameters.Height - deltaY);
_listView.RequestLayout();
_listView.DispatchTouchEvent(ev);
return true;
}
}
_listView.DispatchTouchEvent(ev);
return true;
}
else if(ev.Action == MotionEventActions.Up || ev.Action == MotionEventActions.Cancel)
{
vT.ComputeCurrentVelocity(1);
long duration = Math.Abs((long)Math.Ceiling(Math.Abs(_header.Height) / vT.GetYVelocity(0)));
if (duration < 750)
{
_header.Animate()
.Y(0 - _header.Height)
.SetDuration(duration)
.SetInterpolator(new DecelerateInterpolator(1.0f))
.Start();
_listView.Animate()
.Y(0)
.SetDuration(duration)
.SetInterpolator(new DecelerateInterpolator(1.0f))
.Start();
}
return _listView.DispatchTouchEvent(ev);
}
}
return _listView.DispatchTouchEvent(ev);
}
}
public override View GetSampleContent (Android.Content.Context con)
{
dlgAlert = new AlertDialog.Builder(con);
dlgAlert.SetTitle("Results");
dlgAlert.SetPositiveButton("OK", (object sender, DialogClickEventArgs e) =>
{
});
dlgAlert.SetCancelable(true);
Title.Add ("Software");
Title.Add ("Banking");
Title.Add ("Media");
Title.Add ("Medical");
spinners = new Spinner(con);
spinners.DropDownWidth = 500;
spinners.SetBackgroundColor(Color.Gray);
ArrayAdapter<String> dataAdapter = new ArrayAdapter<String>
(con, Android.Resource.Layout.SimpleSpinnerItem, Experience);
dataAdapter.SetDropDownViewResource(Android.Resource.Layout.SimpleSpinnerDropDownItem);
spinners.Adapter = dataAdapter;
Country.Add ("UAE");
Country.Add ("Uruguay");
Country.Add ("United States");
Country.Add ("United Kingdom");
Country.Add ("Ukraine");
Experience.Add ("1");
Experience.Add ("2");
autoComplete1 = new SfAutoComplete(con);
autoComplete2 = new SfAutoComplete(con);
text1s = new TextView(con);
text2s = new TextView(con);
text3s = new TextView(con);
text4s = new TextView(con);
text6s = new TextView(con);
text11 = new TextView(con);
text22 = new TextView(con);
text33 = new TextView(con);
text44 = new TextView(con);
text55 = new TextView(con);
text66 = new TextView(con);
text77 = new TextView(con);
text88 = new TextView(con);
buttons = new Button(con);
buttons.SetWidth(ActionBar.LayoutParams.MatchParent);
buttons.SetHeight(40);
buttons.Text = "Search";
buttons.SetTextColor(Color.White);
buttons.SetBackgroundColor(Color.Gray);
buttons.Click += (object sender, EventArgs e) => {
GetResult();
//dlgAlert.SetMessage(count + " Jobs Found");
dlgAlert.SetMessage (cc + " Jobs Found");
dlgAlert.Create ().Show ();
};
text11.SetHeight(10);
text22.SetHeight(30);
text33.SetHeight(10);
text44.SetHeight(30);
text55.SetHeight(10);
text66.SetHeight(30);
text77.SetHeight(10);
text88.SetHeight(30);
text1s.Text = "Job Search";
text1s.TextSize = 30;
text1s.Typeface = Typeface.DefaultBold;
text2s.Text = "Country";
text2s.TextSize = 16;
text3s.Text = "Job Field";
text3s.TextSize = 16;
text4s.Text = "Experience";
text4s.TextSize = 16;
text6s.SetHeight(40);
ArrayAdapter<String> adapters = new ArrayAdapter<String>(con,
Android.Resource.Layout.SimpleListItem1, new Countrylist().Country);
autoComplete1.LayoutParameters = new FrameLayout.LayoutParams(ViewGroup.LayoutParams.MatchParent, 60);
autoComplete1.SetAutoCompleteSource(adapters);
autoComplete1.SuggestionMode = SuggestionMode.StartsWith;
autoComplete1.MaximumDropDownHeight = 200;
autoComplete1.Watermark = "Enter a country name";
ArrayAdapter<String> adapters1 = new ArrayAdapter<String>(con,
Android.Resource.Layout.SimpleListItem1, Title);
autoComplete2.SetAutoCompleteSource(adapters1);
autoComplete2.LayoutParameters = new FrameLayout.LayoutParams(ViewGroup.LayoutParams.MatchParent, 60);
autoComplete2.SuggestionMode = SuggestionMode.Contains;
autoComplete2.MaximumDropDownHeight = 200;
autoComplete2.Watermark = "Starts with ’S’, ‘M’ or ‘B’";
ArrayAdapter<String> adapters2 = new ArrayAdapter<String>(con,
Android.Resource.Layout.SimpleListItem1, Experience);
spinners.Adapter = adapters2;
spinners.LayoutParameters = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MatchParent, 60);
LinearLayout linearLayout = new LinearLayout(con);
linearLayout.SetPadding(20, 20, 20, 30);
linearLayout.SetBackgroundColor(Color.Rgb(236, 236, 236));
linearLayout.LayoutParameters = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MatchParent, ViewGroup.LayoutParams.MatchParent);
linearLayout.Orientation = Orientation.Vertical;
linearLayout.AddView(text1s);
linearLayout.AddView(text6s);
linearLayout.AddView(text2s);
linearLayout.AddView(text11);
linearLayout.AddView(autoComplete1);
linearLayout.AddView(text22);
linearLayout.AddView(text3s);
linearLayout.AddView(text33);
linearLayout.AddView(autoComplete2);
linearLayout.AddView(text44);
linearLayout.AddView(text4s);
linearLayout.AddView(text55);
linearLayout.AddView(spinners);
linearLayout.AddView(text66);
linearLayout.AddView(text88);
linearLayout.AddView(buttons);
linearLayout.Touch+= (object sender, View.TouchEventArgs e) => {
//if(autoComplete1.IsFocused || autoComplete2.IsFocused ){
Rect outRect = new Rect();
autoComplete1.GetGlobalVisibleRect(outRect);
autoComplete2.GetGlobalVisibleRect(outRect);
if (!outRect.Contains((int)e.Event.RawX, (int)e.Event.RawY)) {
autoComplete1.ClearFocus();
autoComplete2.ClearFocus();
}
hideSoftKeyboard((Activity)con);
//}
};
return linearLayout;
}
public override bool DispatchTouchEvent(MotionEvent event1) {
if (event1.Action == MotionEventActions.Down) {
View v = this.CurrentFocus;
if ( v is EditText) {
Rect outRect = new Rect();
v.GetGlobalVisibleRect(outRect);
if (!outRect.Contains((int)event1.GetX(), (int)event1.GetY())) {
v.ClearFocus();
InputMethodManager imm = (InputMethodManager) GetSystemService(Context.InputMethodService);
imm.HideSoftInputFromWindow(v.WindowToken, 0);
}
}
}
return base.DispatchTouchEvent( event1 );
}
private int GetSelectedBarIndex ( int x, int y)
{
var result = -1;
var index = 0;
foreach (var item in rows) {
var area = new Rect ();
item.BarView.GetHitRect (area);
area.Top -= rowMargin;
area.Bottom += rowMargin;
area.Right = Right;
if ( area.Contains ( x, y)) {
result = index;
}
index++;
}
return result;
}
//Java.Lang.Object.Locale localinfo;
public override View GetSampleContent (Context con)
{
Context localcontext = con;
int width = con.Resources.DisplayMetrics.WidthPixels -40;
FrameLayout frameLayout = new FrameLayout(con);
FrameLayout.LayoutParams layoutParams = new FrameLayout.LayoutParams(ViewGroup.LayoutParams.MatchParent, ViewGroup.LayoutParams.MatchParent, GravityFlags.FillVertical);
frameLayout.LayoutParameters = layoutParams;
LinearLayout layout=new LinearLayout(con);
layout.LayoutParameters=new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WrapContent, ViewGroup.LayoutParams.WrapContent);
layout.SetGravity(GravityFlags.FillVertical);
layout.Orientation=Orientation.Vertical;
TextView dummy0 = new TextView(con);
dummy0.Text="Simple Interest Calculator";
dummy0.Gravity=GravityFlags.Center;
dummy0.TextSize=24;
layout.AddView(dummy0);
TextView dummy7 = new TextView(con);
layout.AddView(dummy7);
TextView dummy = new TextView(con);
dummy.Text="The formula for finding simple interest is:";
dummy.TextSize=18;
layout.AddView(dummy);
layout.FocusableInTouchMode=true;
SpannableStringBuilder builder = new SpannableStringBuilder();
TextView dummy1 = new TextView(con);
String str= "Interest";
SpannableString strSpannable= new SpannableString(str);
strSpannable.SetSpan(new ForegroundColorSpan(Color.ParseColor("#66BB6A")), 0, str.Length, 0);
builder.Append(strSpannable);
builder.Append(" = Principal * Rate * Time");
dummy1.SetText(builder, TextView.BufferType.Spannable);
dummy1.TextSize=18;
layout.AddView(dummy1);
TextView dummy8 = new TextView(con);
layout.AddView(dummy8);
/*
Principal amount Stack
*/
LinearLayout principalStack = new LinearLayout(con);
TextView txtPricipal = new TextView(con);
txtPricipal.LayoutParameters=new ViewGroup.LayoutParams(width / 2, 100);
txtPricipal.Text="Principal";
principalamount =new SfNumericTextBox(con);
principalamount.FormatString="C";
principalamount.LayoutParameters=new ViewGroup.LayoutParams(width / 2, 100);
principalamount.Value=1000;
principalamount.AllowNull = true;
principalamount.Watermark = "Principal Amount";
principalamount.MaximumNumberDecimalDigits=2;
var culture = new Java.Util.Locale("en","US");
principalamount.CultureInfo = culture;
principalamount.ValueChangeMode=ValueChangeMode.OnKeyFocus;
principalStack.Orientation = Orientation.Horizontal;
principalStack.AddView(txtPricipal);
principalStack.AddView(principalamount);
layout.AddView(principalStack);
TextView dummy3 = new TextView(con);
layout.AddView(dummy3);
/*
Interest Input Box
*/
LinearLayout InterestcalStack = new LinearLayout(con);
TextView txtInterest = new TextView(con);
txtInterest.LayoutParameters=new ViewGroup.LayoutParams(width / 2, 100);
txtInterest.Text="Interest Rate";
Interestvalue =new SfNumericTextBox(con);
Interestvalue.FormatString="P";
Interestvalue.PercentDisplayMode=PercentDisplayMode.Compute;
Interestvalue.MaximumNumberDecimalDigits=2;
Interestvalue.ValueChangeMode=ValueChangeMode.OnKeyFocus;
Interestvalue.LayoutParameters=new ViewGroup.LayoutParams(width / 2, 100);
Interestvalue.Value=0.1f;
Interestvalue.Watermark = "Rate of Interest";
Interestvalue.AllowNull = true;
Interestvalue.CultureInfo = culture;
InterestcalStack.Orientation=Orientation.Horizontal;
InterestcalStack.AddView(txtInterest);
InterestcalStack.AddView(Interestvalue);
layout.AddView(InterestcalStack);
TextView dummy2 = new TextView(con);
layout.AddView(dummy2);
/*
Period Input TextBox
*/
LinearLayout periodStack = new LinearLayout(con);
TextView period = new TextView(con);
period.LayoutParameters=new ViewGroup.LayoutParams(width / 2, 100);
period.Text="Term";
periodValue =new SfNumericTextBox(con);
periodValue.FormatString=" years";
periodValue.MaximumNumberDecimalDigits=0;
periodValue.LayoutParameters=new ViewGroup.LayoutParams(width / 2, 100);
periodValue.Value=20;
periodValue.Watermark = "Period (in years)";
periodValue.ValueChangeMode=ValueChangeMode.OnKeyFocus;
periodValue.CultureInfo = culture;
periodValue.AllowNull = true;
periodStack.Orientation=Orientation.Horizontal;
periodStack.AddView(period);
periodStack.AddView(periodValue);
layout.AddView(periodStack);
/*
OutPut values
*/
LinearLayout outputStack = new LinearLayout(con);
TextView outputtxt = new TextView(con);
outputtxt.LayoutParameters=new ViewGroup.LayoutParams(width / 2, 100);
outputtxt.Text="Interest";
outputtxt.SetTextColor(Color.ParseColor("#66BB6A"));
OutputNumbertxtBox =new SfNumericTextBox(con);
OutputNumbertxtBox.FormatString="c";
OutputNumbertxtBox.MaximumNumberDecimalDigits=0;
OutputNumbertxtBox.AllowNull=true;
OutputNumbertxtBox.CultureInfo = culture;
OutputNumbertxtBox.Watermark="Enter Values";
OutputNumbertxtBox.Clickable=false;
OutputNumbertxtBox.Value = (float)(1000 * 0.1 * 20);
OutputNumbertxtBox.Enabled=false;
OutputNumbertxtBox.LayoutParameters=new ViewGroup.LayoutParams(width / 2, 100);
OutputNumbertxtBox.ValueChangeMode=ValueChangeMode.OnLostFocus;
outputStack.Orientation=Orientation.Horizontal;
outputStack.AddView(outputtxt);
outputStack.AddView(OutputNumbertxtBox);
layout.AddView(outputStack);
TextView dummy4 = new TextView(con);
layout.SetPadding(20, 20, 10, 20);
layout.AddView(dummy4);
principalamount.ValueChanged+= (object sender, SfNumericTextBox.ValueChangedEventArgs e) => {
if(!e.P1.ToString().Equals("")&&!periodValue.Value.ToString().Equals("")&&!Interestvalue.Value.ToString().Equals(""))
OutputNumbertxtBox.Value=e.P1 * periodValue.Value * Interestvalue.Value;
};
periodValue.ValueChanged+= (object sender, SfNumericTextBox.ValueChangedEventArgs e) => {
if(!e.P1.ToString().Equals("")&&!principalamount.Value.ToString().Equals("")&&!Interestvalue.Value.ToString().Equals(""))
OutputNumbertxtBox.Value=e.P1* principalamount.Value*Interestvalue.Value;
};
Interestvalue.ValueChanged+= (object sender, SfNumericTextBox.ValueChangedEventArgs e) => {
if(!e.P1.ToString().Equals("")&&!principalamount.Value.ToString().Equals("")&&!periodValue.Value.ToString().Equals(""))
OutputNumbertxtBox.Value=e.P1 * principalamount.Value * periodValue.Value;
};
layout.Touch+= (object sender, View.TouchEventArgs e) => {
if(OutputNumbertxtBox.IsFocused || Interestvalue.IsFocused ||periodValue.IsFocused || principalamount.IsFocused){
Rect outRect = new Rect();
OutputNumbertxtBox.GetGlobalVisibleRect(outRect);
Interestvalue.GetGlobalVisibleRect(outRect);
periodValue.GetGlobalVisibleRect(outRect);
principalamount.GetGlobalVisibleRect(outRect);
if (!outRect.Contains((int)e.Event.RawX, (int)e.Event.RawY)) {
if(!OutputNumbertxtBox.Value.ToString().Equals(""))
OutputNumbertxtBox.ClearFocus();
if(!Interestvalue.Value.ToString().Equals(""))
Interestvalue.ClearFocus();
if(!periodValue.Value.ToString().Equals(""))
periodValue.ClearFocus();
if(!principalamount.Value.ToString().Equals(""))
principalamount.ClearFocus();
}
hideSoftKeyboard((Activity)localcontext);
}
};
frameLayout.AddView(layout);
ScrollView scrollView = new ScrollView(con);
scrollView.AddView(frameLayout);
return scrollView;
}
/**
* Duplicate touch events to child views.
* We want to dispatch a down motion event and the move events to
* child views, but calling dispatchTouchEvent() causes StackOverflowError.
* Therefore we do it manually.
*
* @param ev motion event to be passed to children
* @param pendingEvents pending events like ACTION_DOWN. This will be passed to the children before ev
*/
private void DuplicateTouchEventForChildren(MotionEvent ev, params MotionEvent[] pendingEvents)
{
if (ev == null)
{
return;
}
for (int i = ChildCount - 1; 0 <= i; i--)
{
View childView = GetChildAt(i);
if (childView != null)
{
Rect childRect = new Rect();
childView.GetHitRect(childRect);
MotionEvent event2 = MotionEvent.ObtainNoHistory(ev);
if (!childRect.Contains((int)event2.GetX(), (int)event2.GetY()))
{
continue;
}
float offsetX = -childView.Left;
float offsetY = -childView.Top;
bool consumed = false;
if (pendingEvents != null)
{
foreach (MotionEvent pe in pendingEvents)
{
if (pe != null)
{
MotionEvent peAdjusted = MotionEvent.ObtainNoHistory(pe);
peAdjusted.OffsetLocation(offsetX, offsetY);
consumed |= childView.DispatchTouchEvent(peAdjusted);
}
}
}
event2.OffsetLocation(offsetX, offsetY);
consumed |= childView.DispatchTouchEvent(event2);
if (consumed)
{
break;
}
}
}
}
public override bool OnTouchEvent(MotionEvent e)
{
CreateVelocityTracker(e);
int curScrollX = this.ScrollX;
// 检查触摸点是否在滑动布局(内容content)中，如果不是则返回false，即本View不处理该事件
if (mContent != null && isTouchFinished)
{
Rect rect = new Rect();
mContent.GetHitRect(rect);
if (!rect.Contains((int)e.GetX() + curScrollX, (int)e.GetY()))
{
return false;
}
}
float x = e.GetX(); //取得本次event的X坐标
switch (e.Action)
{
case MotionEventActions.Down:
mDownX = x;
mLastX = x;
isTouchFinished = false;
// Log.v(TAG, "(Down)mDownX: " + x);
// Log.v(TAG, "(Down)mLastX: " + x);
break;
case MotionEventActions.Move:
// Log.v(TAG, "(Move)mLastX: " + x);
int deltaX = (int)(mLastX - x);
if ((curScrollX + deltaX) < -mMaxScrollX)
{
deltaX = -mMaxScrollX - curScrollX;
}
if ((curScrollX + deltaX) > 0)
{
deltaX = -curScrollX;
}
if (deltaX != 0)
{
ScrollBy(deltaX, 0);
}
mLastX = x;
// Log.v(TAG, "(Move)x: " + x);
break;
case MotionEventActions.Up:
// Log.v(TAG, "(Up)x: " + x);
// Log.v(TAG, "(Up)mDownX: " + mDownX);
// Log.v(TAG, "(Up)curScrollX: " + curScrollX);
int velocityX = GetScrollVelocity();
int offsetX = (int)(x - mDownX);
//成立表明移动距离已经达到被判断为滑动的最低标准
//不成立表明不被判断为滑动，则认为是单一的点击，则关闭menu
if (Math.Abs(offsetX) >= mTouchSlop)
{
//成立表明手指移动速度达标，则进行自动滑动；
//不成立表明速度不达标，但仍然需要判断当前SlideLayout的位置
//如果已经超过一半，则继续自动完成剩下的滑动，如果没有超过一半，则反向滑动
if (Math.Abs(velocityX) >= SNAP_VELOCITY)
{
if (velocityX > 0)
{
OpenMenu();
}
else if (velocityX < 0)
{
CloseMenu();
}
}
else
{
if (curScrollX >= -mMaxScrollX / 2)
{
CloseMenu();
}
else
{
OpenMenu();
}
}
}
else
{
CloseMenu();
}
RecycleVelocityTracker();
isTouchFinished = true;
break;
}
return true;
}
/**
* If the motion event was relative to the view
* which in ignored view list,return true;
*
* @param ev
* @return
*/
private bool isInIgnoredView(MotionEvent ev)
{
Rect rect = new Rect();
foreach (View v in ignoredViews)
{
v.GetGlobalVisibleRect(rect);
if (rect.Contains((int)ev.GetX(), (int)ev.GetY()))
return true;
}
return false;
}
/**
* Returns the child {@link android.view.View} that was touched, by performing a hit test.
*
* @param motionEvent the {@link android.view.MotionEvent} to find the {@code View} for.
*
* @return the touched {@code View}, or {@code null} if none found.
*/
//@Nullable
private View findDownView(MotionEvent motionEvent)
{
Rect rect = new Rect();
int childCount = mListViewWrapper.getChildCount();
int x = (int)motionEvent.GetX();
int y = (int)motionEvent.GetY();
View downView = null;
for (int i = 0; i < childCount && downView == null; i++)
{
View child = mListViewWrapper.getChildAt(i);
if (child != null)
{
child.GetHitRect(rect);
if (rect.Contains(x, y))
{
downView = child;
}
}
}
return downView;
}
static bool IsWithinCircularBounds(Rect hit, Rect bounds)
{
if (!bounds.Contains(hit)) return false;
// Forumula for a circle: (x-a)2 + (y-b)2 = r2
var centerX = bounds.ExactCenterX() - bounds.Left;
var centerY = bounds.ExactCenterY() - bounds.Top;
var radius = centerX;
double x = hit.Left - bounds.Left,
y = hit.Top - bounds.Top,
r2 = radius * radius,
xx = (x - centerX);
var yy = Math.Sqrt(r2 - xx*xx) + 0.5;
var upperBound = centerY - yy;
var lowerBound = centerY + yy;
var result = !Double.IsNaN (y) && y > upperBound && y < lowerBound;
return result;
}