private static void ClearUpViewGroup(ViewGroup grp)
{
try
{
for (int i = 0; i < grp.ChildCount; i++)
{
var view = grp.GetChildAt(i);
var viewGroup = view as ViewGroup;
if (viewGroup != null)
{
ClearUpViewGroup(viewGroup);
grp.RemoveView(viewGroup);
viewGroup.Dispose();
continue;
}
var imageView = view as ImageView;
if (imageView != null)
imageView.Recycle();
grp.RemoveView(view);
view.Dispose();
view = null;
}
}
catch
{
Console.WriteLine("ClearUpViewGroup Exception");
}
}
public void PrintViewHierarchy(Android.Views.ViewGroup vg, StringBuilder sb, int level = 0)
{
for (int i = 0; i < vg.ChildCount; i++)
{
var v = vg.GetChildAt(i);
var vElement = v as IFrameworkElement;
var desc = string.Concat(Enumerable.Repeat(" |", level)) + $" [{i+1}/{vg.ChildCount}] {v.Class.SimpleName}";
if (vElement != null)
{
desc += $" -- ActualHeight:{vElement.ActualHeight}, ActualWidth:{vElement.ActualWidth}, Height:{vElement.Height}, Width:{vElement.Width}, DataContext:{vElement.DataContext?.GetType().FullName}";
var vTextBlock = vElement as TextBlock;
if (vTextBlock != null)
{
desc += $", Text: {vTextBlock.Text}";
}
}
sb.AppendLine(desc);
var childViewGroup = v as Android.Views.ViewGroup;
if (childViewGroup != null)
{
PrintViewHierarchy(childViewGroup, sb, level + 1);
}
}
}
public static object[] getChilds(Android.Views.View pView)
{
List <object> list = new List <object>();
if (pView != null)
{
if (pView as IIndestructable == null)
{
// ToolMobile.log("getChilds form [" + pView.GetType().FullName + "]");
Android.Views.ViewGroup g = pView as Android.Views.ViewGroup;
if (g != null)
{
for (int i = 0; i < g.ChildCount; ++i)
{
View v = g.GetChildAt(i);
// ToolMobile.log("getChilds added child [" + v.GetType().FullName + "]");
list.Add(v);
}
}
else
{
//ToolMobile.log("getChilds not for ViewGroup [" + pView.GetType().FullName + "]");
}
}
}
return(list.ToArray());
}
protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
{
if (resultCode == Result.Ok)
{
TextView TimerText = ((TextView)(lastClicked.GetChildAt(2)));
TimerText.Text = "IN TRANSIT";
}
}
public static IEnumerable <T> GetChildrenOfType <T>(this ViewGroup viewGroup)
where T : View
{
for (int i = 0; i < viewGroup.ChildCount; i++)
{
View child = viewGroup.GetChildAt(i);
if (child is T expectedChild)
{
yield return(expectedChild);
}
if (child is ViewGroup childViewGroup)
{
foreach (var expectedInnerChild in GetChildrenOfType <T>(childViewGroup))
{
yield return(expectedInnerChild);
}
}
}
}
static IEnumerable <T> GetChildrenOfType <T>(AViewGroup self) where T : AView
{
for (var i = 0; i < self.ChildCount; i++)
{
AView child = self.GetChildAt(i);
var typedChild = child as T;
if (typedChild != null)
{
yield return(typedChild);
}
if (child is AViewGroup)
{
IEnumerable <T> myChildren = GetChildrenOfType <T>(child as AViewGroup);
foreach (T nextChild in myChildren)
{
yield return(nextChild);
}
}
}
}
/// <summary>
/// Helper method for printing on output all children from ViewGroup.
/// </summary>
public static void PrintChildren(this ViewGroup viewGroup)
{
System.Diagnostics.Debug.WriteLine(_currentPadding + viewGroup.GetType().Name + " (ViewGroup)");
_currentPadding += PADDING_STRING;
for (int i = 0; i < viewGroup.ChildCount; i++)
{
View child = viewGroup.GetChildAt(i);
if (!(child is ViewGroup))
{
System.Diagnostics.Debug.WriteLine(_currentPadding + child.GetType().Name);
}
if (child is ViewGroup childViewGroup)
{
PrintChildren(childViewGroup);
}
}
_currentPadding = _currentPadding.Remove(_currentPadding.Length - PADDING_STRING.Length);
}
public static T FindChildOfType <T>(this NativeView parent) where T : ChildView
{
if (parent == null)
{
return(null);
}
if (parent.ChildCount == 0)
{
return(null);
}
for (var i = 0; i < parent.ChildCount; i++)
{
var child = parent.GetChildAt(i);
if (child is T typedChild)
{
return(typedChild);
}
if (!(child is NativeView))
{
continue;
}
var result = FindChildOfType <T>(child as NativeView);
if (result != null)
{
return(result);
}
}
return(null);
}
private void InvalidateDividersForScrollingView(ViewGroup view, bool setForTop, bool setForBottom, bool hasButtons)
{
if (setForTop && view.ChildCount > 0)
{
mDrawTopDivider = mTitleBar != null &&
mTitleBar.Visibility != ViewStates.Gone && view.ScrollY + view.PaddingTop > view.GetChildAt(0).Top;
}
if (setForBottom && view.ChildCount > 0)
{
mDrawBottomDivider = hasButtons &&
view.ScrollY + view.Height - view.PaddingBottom < view.GetChildAt(view.ChildCount - 1).Bottom;
}
}
public static void DisposeChildren (ViewGroup vg)
{
if (vg.Handle == IntPtr.Zero) {
// see http://developer.xamarin.com/guides/android/advanced_topics/garbage_collection/#Disposing_of_Peer_instances
return;
}
for (int i = 0; i < vg.ChildCount; i++) {
vg.GetChildAt (i).Dispose ();
}
}
private void SetupGravity(ViewGroup view)
{
LinearLayout itemRoot = (LinearLayout)view;
GravityFlags gravityInt = GravityExt.GetGravity(itemGravity);
itemRoot.SetGravity(gravityInt | GravityFlags.CenterVertical);
if (view.ChildCount == 2)
{
if (itemGravity == GravityEnum.End && !IsRtl() && view.GetChildAt(0) is CompoundButton)
{
CompoundButton first = (CompoundButton)view.GetChildAt(0);
view.RemoveView(first);
TextView second = (TextView)view.GetChildAt(0);
view.RemoveView(second);
second.SetPadding(second.PaddingRight, second.PaddingTop,
second.PaddingLeft, second.PaddingBottom);
view.AddView(second);
view.AddView(first);
}
else if (itemGravity == GravityEnum.Start && IsRtl() && view.GetChildAt(1) is CompoundButton)
{
CompoundButton first = (CompoundButton)view.GetChildAt(1);
view.RemoveView(first);
TextView second = (TextView)view.GetChildAt(0);
view.RemoveView(second);
second.SetPadding(second.PaddingRight, second.PaddingTop,
second.PaddingRight, second.PaddingBottom);
view.AddView(first);
view.AddView(second);
}
}
}
private static void UpdateEditedItemSockets(ViewGroup layout)
{
var editedGems = new List<SocketedGem>();
for (var index = 0; index < layout.ChildCount; index++)
{
var view = layout.GetChildAt(index);
if (view.FindViewById<Spinner>(Resource.Id.socketLabel) != null)
{
var tag = (JavaLangObject<Item>)(view.Tag);
if (tag != null)
{
Console.WriteLine(tag.Value);
editedGems.Add(new SocketedGem(tag.Value));
}
}
}
D3Context.Instance.EditingItem.Gems = editedGems.ToArray();
}
private static void UpdateEditedItem(ViewGroup layout)
{
var numberDecimalSeparator = NumberFormatInfo.CurrentInfo.NumberDecimalSeparator;
var attr = new ItemAttributes();
for (var index = 0; index < layout.ChildCount; index++)
{
var view = layout.GetChildAt(index);
var editText = view.FindViewById<EditText>(Resource.Id.attributeValue);
if (editText != null)
{
var tag = (JavaLangObject<Field>)(view.Tag);
Console.WriteLine(tag.Value + " = " + editText.Text);
var text = editText.Text.Replace(numberDecimalSeparator == "," ? "." : ",", numberDecimalSeparator);
double value;
if (Double.TryParse(text, out value))
{
tag.Value.SetValue(attr, value);
}
}
}
D3Context.Instance.EditingItem.AttributesRaw += attr;
}
private void AddListenterToButtons(ViewGroup parent)
{
for (var i = 0; i < parent.ChildCount; i++)
{
var child = parent.GetChildAt(i);
if (child is ViewGroup)
{
AddListenterToButtons(child as ViewGroup);
}
else if (child is Button)
{
child.SetOnClickListener(this);
}
}
}
private static View GetTopView(ViewGroup viewGroup)
{
if (viewGroup == null || viewGroup.ChildCount == 0)
return null;
View topView = null;
for (int i = viewGroup.ChildCount - 1; i >= 0; i--)
{
View child = viewGroup.GetChildAt(i);
if (child.Visibility == ViewStates.Visible && child.Top == 0)
{
topView = child;
break;
}
}
return topView;
}
private void initValue(Activity activity)
{
this.activity = activity;
leftMenuItems = new List<ResideMenuItem>();
rightMenuItems = new List<ResideMenuItem>();
ignoredViews = new List<View>();
viewDecor = (ViewGroup)activity.Window.DecorView;
viewActivity = new TouchDisableView(this.activity);
View mContent = viewDecor.GetChildAt(0);
viewDecor.RemoveViewAt(0);
viewActivity.setContent(mContent);
AddView(viewActivity);
ViewGroup parent = (ViewGroup)scrollViewLeftMenu.Parent;
parent.RemoveView(scrollViewLeftMenu);
parent.RemoveView(scrollViewRightMenu);
}
bool CanScrollUp(ViewGroup viewGroup)
{
if (viewGroup == null)
return base.CanChildScrollUp();
var sdk = (int)global::Android.OS.Build.VERSION.SdkInt;
if (sdk >= 16)
{
#if __ANDROID_16__
//is a scroll container such as listview, scroll view, gridview
if (viewGroup.IsScrollContainer)
{
return base.CanChildScrollUp();
}
#endif
}
//if you have something custom and you can't scroll up you might need to enable this
//for instance on a custom recycler view where the code above isn't working!
for (int i = 0; i < viewGroup.ChildCount; i++)
{
var child = viewGroup.GetChildAt(i);
if (child is Android.Widget.AbsListView)
{
var list = child as Android.Widget.AbsListView;
if (list != null)
{
if (list.FirstVisiblePosition == 0)
{
var subChild = list.GetChildAt(0);
return subChild != null && subChild.Top != 0;
}
//if children are in list and we are scrolled a bit... sure you can scroll up
return true;
}
}
else if (child is Android.Widget.ScrollView)
{
var scrollview = child as Android.Widget.ScrollView;
return (scrollview.ScrollY <= 0.0);
}
else if (child is Android.Support.V4.Widget.SwipeRefreshLayout)
{
return CanScrollUp(child as ViewGroup);
}
//else if something else like a recycler view?
}
return false;
}
private IEnumerable<KeyValuePair<string, View>> GetViews(ViewGroup viewGroup)
{
for (int i = 0; i < viewGroup.ChildCount; i++)
{
var view = viewGroup.GetChildAt(i);
var group = view as ViewGroup;
if (group != null)
{
var children = GetViews(group);
foreach (var child in children)
{
yield return child;
}
}
if (view.Id > 0)
{
string name = viewGroup.Context.Resources.GetResourceEntryName(view.Id);
yield return new KeyValuePair<string, View>(name, view);
}
}
}
static void SetThemeOnChildren(ViewGroup parentViewGroup, FlatTheme theme, bool includeNormalViews)
{
for (int i = 0; i < parentViewGroup.ChildCount; i++)
{
var view = parentViewGroup.GetChildAt (i);
var vtype = view.GetType ();
if (view is FlatButton)
(view as FlatButton).Theme = theme;
else if (view is FlatCheckBox)
(view as FlatCheckBox).Theme = theme;
else if (view is FlatEditText)
(view as FlatEditText).Theme = theme;
else if (view is FlatRadioButton)
(view as FlatRadioButton).Theme = theme;
else if (view is FlatSeekBar)
(view as FlatSeekBar).Theme = theme;
else if (view is FlatTextView)
(view as FlatTextView).Theme = theme;
else if (view is FlatToggleButton)
(view as FlatToggleButton).Theme = theme;
//TODO: Need to add code for settheme static method
if (includeNormalViews)
{
if (vtype == typeof(CheckBox))
FlatCheckBox.SetTheme(view as CheckBox, theme);
else if (vtype == typeof(RadioButton))
FlatRadioButton.SetTheme(view as RadioButton, theme);
else if (vtype == typeof(ToggleButton))
FlatToggleButton.SetTheme(view as ToggleButton, theme);
else if (vtype == typeof(EditText))
FlatEditText.SetTheme(view as EditText, theme);
else if (vtype == typeof(TextView))
FlatTextView.SetTheme(view as TextView, theme);
else if (vtype == typeof(SeekBar))
FlatSeekBar.SetTheme(view as SeekBar, theme);
else if (vtype == typeof(Button))
FlatButton.SetTheme(view as Button, theme);
}
var childViewGroup = view as ViewGroup;
if (childViewGroup != null)
SetThemeOnChildren (childViewGroup, theme, includeNormalViews);
}
}
public static void RemoveBitmapsOfButtonStroked(ViewGroup mainView)
{
for(int i = 0; i < mainView.ChildCount; i++)
{
View child = mainView.GetChildAt(i);
Type childType = child.GetType();
if(childType == typeof(ButtonStroked))
((ButtonStroked)child).RemoveBitmaps();
else if(childType.BaseType == typeof(ViewGroup))
RemoveBitmapsOfButtonStroked((ViewGroup) child);
}
}
void DisableTaskInput( ViewGroup frame, bool enable )
{
if ( frame as ListView != null || frame as ScrollView != null )
{
frame.Enabled = enable;
frame.Focusable = enable;
frame.FocusableInTouchMode = enable;
}
int i;
for ( i = 0; i < frame.ChildCount; i++ )
{
View child = frame.GetChildAt( i ) as View;
if ( (child as ViewGroup) != null )
{
DisableTaskInput( (child as ViewGroup), enable );
}
else
{
if ( child as ListView != null || child as ScrollView != null )
{
child.Enabled = enable;
child.Focusable = enable;
child.FocusableInTouchMode = enable;
}
}
}
}
private static View GetBottomView(ViewGroup viewGroup)
{
if (viewGroup == null || viewGroup.ChildCount == 0)
return null;
View bottomView = null;
for (int i = viewGroup.ChildCount - 1; i >= 0; i--)
{
View child = viewGroup.GetChildAt(i);
if (child.Visibility == ViewStates.Visible && child.Bottom == viewGroup.MeasuredHeight)
{
bottomView = child;
break;
}
}
return bottomView;
}
