public override void AddView(Android.Views.View child)
{
child.GetType().GetRuntimeProperty("TopPadding").SetValue(child, 0);
var padding = child.GetType().GetRuntimeProperty("TopPadding").GetValue(child);
base.AddView(child);
}
protected override void OnElementChanged(ElementChangedEventArgs <TabbedPage> e)
{
base.OnElementChanged(e);
if (e.NewElement == null || e.OldElement != null)
{
return;
}
TabLayout tablayout = (TabLayout)ViewGroup.GetChildAt(1);
Android.Views.ViewGroup vgroup = (Android.Views.ViewGroup)tablayout.GetChildAt(0);
for (int i = 0; i < vgroup.ChildCount; i++)
{
Android.Views.ViewGroup vvgroup = (Android.Views.ViewGroup)vgroup.GetChildAt(i);
Typeface fontFace = Typeface.CreateFromAsset(this.Context.Assets, "IranSans.ttf");
for (int j = 0; j < vvgroup.ChildCount; j++)
{
Android.Views.View vView = (Android.Views.View)vvgroup.GetChildAt(j);
if (vView.GetType() == typeof(Android.Support.V7.Widget.AppCompatTextView) || vView.GetType() == typeof(Android.Widget.TextView))
{
//here change textview style
TextView txtView = (TextView)vView;
txtView.TextSize = 14f;
txtView.SetTypeface(fontFace, TypefaceStyle.Normal);
}
}
}
}
public override void OnViewAdded(Android.Views.View child)
{
base.OnViewAdded(child);
if (child.GetType() == typeof(Support.Toolbar))
_toolbar = (Support.Toolbar)child;
}
public override void OnViewAdded(Android.Views.View child)
{
base.OnViewAdded(child);
if (child.GetType() == typeof(Android.Support.V7.Widget.Toolbar))
{
toolbar = (Android.Support.V7.Widget.Toolbar)child;
toolbar.ChildViewAdded += Toolbar_ChildViewAdded;
}
}
public override void OnViewAdded(Android.Views.View child)
{
base.OnViewAdded(child);
if (child.GetType() == typeof(Toolbar))
{
_toolbar = (Toolbar)child;
_toolbar.ChildViewAdded += Toolbar_ChildViewAdded;
}
}
private static DependencyProperty GetVisibilityProperty(View view)
{
if (view is FrameworkElement)
{
return(VisibilityProperty);
}
else
{
return(DependencyProperty.GetProperty(view.GetType(), nameof(Visibility)));
}
}
public override void OnViewAdded(Android.Views.View child)
{
base.OnViewAdded(child);
if (child.GetType() == typeof(Android.Support.V7.Widget.Toolbar))
{
toolbar = (Android.Support.V7.Widget.Toolbar)child;
toolbar.ChildViewAdded += Toolbar_ChildViewAdded;
toolbar.SetNavigationIcon(Resource.Drawable.devnl);
}
}
/// <summary>
/// When adding a view, tweak the top padding if necessary.
/// According to:
/// https://github.com/xamarin/Xamarin.Forms/blob/589adbd3ef145ec85f9fe64eda008251c1cdb745/Xamarin.Forms.Platform.Android/AppCompat/MasterDetailPageRenderer.cs
/// The TopPadding is always set for the detail. This works fine when the master detail is shown normally, but
/// if it is inside a navigation page (such as the inspection view) then you get extra unwanted padding.
/// The 'fix' is to set the top padding to 0 for the detail, only of course the types and fields are hidden from us...
/// </summary>
/// <param name="child">Child.</param>
public override void AddView(Android.Views.View child)
{
try
{
var isMasterField = child.GetType().GetField("_isMaster", BindingFlags.NonPublic | BindingFlags.Instance);
if (isMasterField == null)
{
return;
}
var isMaster = isMasterField.GetValue(child);
if ((bool)isMaster)
{
return;
}
var parentField = child.GetType().GetField("_parent", BindingFlags.NonPublic | BindingFlags.Instance);
if (parentField == null)
{
return;
}
var parent = parentField.GetValue(child) as MasterDetailPage;
if (parent == null || !(parent.Parent is NavigationPage))
{
return;
}
var topPaddingProperty = child.GetType().GetProperty("TopPadding", BindingFlags.Public | BindingFlags.Instance);
if (topPaddingProperty != null)
{
topPaddingProperty.SetValue(child, 0);
}
}
finally
{
base.AddView(child);
}
}
public override void OnViewAdded(Android.Views.View child)
{
base.OnViewAdded(child);
if (child.GetType() == typeof(Support.Toolbar))
{
toolbar = (Support.Toolbar)child;
}
titleText = (TextView)toolbar.FindViewById(Resource.Id.toolbar_title);
Typeface tf = Typeface.CreateFromAsset(Context.Assets, "HelveticaNeueMed.ttf");
titleText.SetTypeface(tf, TypefaceStyle.Normal);
if (this.Title != null)
{
SetCustomView(this.Title);
}
}
public override void OnViewAdded(Android.Views.View child)
{
base.OnViewAdded(child);
try
{
if (child.GetType() == typeof(Support.Toolbar))
{
_toolbar = (Support.Toolbar)child;
}
}
catch (Exception e)
{
new Exception(e.Message);
}
}
public override void OnViewAdded(Android.Views.View child)
{
base.OnViewAdded(child);
if (child.GetType() == typeof(Android.Support.V7.Widget.Toolbar))
{
_toolbar = (Android.Support.V7.Widget.Toolbar)child;
MyNavigationPageRenderer myNavigationPageRenderer = (MyNavigationPageRenderer)Element;
GradientDrawable gradientDrawable = new GradientDrawable(
GradientDrawable.Orientation.LeftRight,
new int[] { myNavigationPageRenderer.StartColor.ToAndroid(),
myNavigationPageRenderer.EndColor.ToAndroid() });
_toolbar.SetBackgroundDrawable(gradientDrawable);
_toolbar.Elevation = 0;
}
}
public override void OnViewAdded(Android.Views.View child)
{
base.OnViewAdded(child);
if (child.GetType() == typeof(Support.Toolbar))
{
toolbar = (Support.Toolbar)child;
}
for (int i = 0; i < toolbar.ChildCount; i++)
{
var item = toolbar.GetChildAt(i);
if (item.GetType() == typeof(ImageButton))
{
ImageButton ib = item as ImageButton;
ib.SetImageResource(Resource.Drawable.hollowstar);
}
}
}
private void LogArrange(View view, Rect frame)
{
if (this.Log().IsEnabled(Microsoft.Extensions.Logging.LogLevel.Debug))
{
var viewName = (view as IFrameworkElement).SelectOrDefault(f => f.Name, "NativeView");
var margin = (view as IFrameworkElement).SelectOrDefault(f => f.Margin, Thickness.Empty);
this.Log().DebugFormat("[{0}/{1}] ArrangeChild({2}/{3}/{4}/{5})", LoggingOwnerTypeName, Name, view.GetType(), viewName, frame, margin);
}
}
protected Size MeasureChild(View view, Size slotSize)
{
var frameworkElement = view as IFrameworkElement;
var ret = default(Size);
if (frameworkElement != null)
{
var margin = frameworkElement.Margin;
if (frameworkElement.Visibility == Visibility.Collapsed)
{
// By default iOS views measure to normal size, even if they're hidden.
// We want the collapsed behavior, so we return a 0,0 size instead.
SetDesiredChildSize(view, ret);
if (this.Log().IsEnabled(Microsoft.Extensions.Logging.LogLevel.Debug))
{
var viewName = frameworkElement.SelectOrDefault(f => f.Name, "NativeView");
this.Log().DebugFormat(
"[{0}/{1}] MeasureChild(HIDDEN/{2}/{3}/{4}/{5}) = {6}",
LoggingOwnerTypeName,
Name,
view.GetType(),
viewName,
slotSize,
margin,
ret
);
}
return(ret);
}
if (margin != Thickness.Empty)
{
// Apply the margin for framework elements, as if it were padding to the child.
slotSize = new Size(
Max(0, slotSize.Width - margin.Left - margin.Right),
Max(0, slotSize.Height - margin.Top - margin.Bottom)
);
}
// Alias the Dependency Properties values to avoid double calls.
var childWidth = frameworkElement.Width;
var childMaxWidth = frameworkElement.MaxWidth;
var childHeight = frameworkElement.Height;
var childMaxHeight = frameworkElement.MaxHeight;
var optionalMaxWidth = !IsInfinity(childMaxWidth) && !IsNaN(childMaxWidth) ? childMaxWidth : (double?)null;
var optionalWidth = !IsNaN(childWidth) ? childWidth : (double?)null;
var optionalMaxHeight = !IsInfinity(childMaxHeight) && !IsNaN(childMaxHeight) ? childMaxHeight : (double?)null;
var optionalHeight = !IsNaN(childHeight) ? childHeight : (double?)null;
// After the margin has been removed, ensure the remaining space slot does not go
// over the explicit or maximum size of the child.
if (optionalMaxWidth != null || optionalWidth != null)
{
var constrainedWidth = Min(
optionalMaxWidth ?? double.PositiveInfinity,
optionalWidth ?? double.PositiveInfinity
);
slotSize.Width = Min(slotSize.Width, constrainedWidth);
}
if (optionalMaxHeight != null || optionalHeight != null)
{
var constrainedHeight = Min(
optionalMaxHeight ?? double.PositiveInfinity,
optionalHeight ?? double.PositiveInfinity
);
slotSize.Height = Min(slotSize.Height, constrainedHeight);
}
}
ret = MeasureChildOverride(view, slotSize);
if (
IsPositiveInfinity(ret.Height) || IsPositiveInfinity(ret.Width)
)
{
if (this.Log().IsEnabled(Microsoft.Extensions.Logging.LogLevel.Error))
{
var viewName = frameworkElement.SelectOrDefault(f => f.Name, "NativeView");
var margin = frameworkElement.SelectOrDefault(f => f.Margin, Thickness.Empty);
this.Log().ErrorFormat(
"[{0}/{1}] MeasureChild({2}/{3}/{4}/{5}) = Child returned INFINITY {6}",
LoggingOwnerTypeName,
Name,
view.GetType(),
viewName,
slotSize,
margin,
ret
);
}
ret = new Size(0, 0);
}
else
{
if (this.Log().IsEnabled(Microsoft.Extensions.Logging.LogLevel.Debug))
{
var viewName = frameworkElement.SelectOrDefault(f => f.Name, "NativeView");
var margin = frameworkElement.SelectOrDefault(f => f.Margin, Thickness.Empty);
this.Log().DebugFormat(
"[{0}/{1}] MeasureChild({2}/{3}/{4}/{5}) = {6}",
LoggingOwnerTypeName,
Name,
view.GetType(),
viewName,
slotSize,
margin,
ret
);
}
}
if (frameworkElement != null)
{
var margin = frameworkElement.Margin;
if (margin != Thickness.Empty)
{
// Report the size to the parent without the margin, only if the
// size has changed or that the control required a measure
//
// This condition is required because of the measure caching that
// some systems apply (Like android UI).
ret = new Size(
ret.Width + margin.Left + margin.Right,
ret.Height + margin.Top + margin.Bottom
);
}
}
SetDesiredChildSize(view, ret);
return(ret);
}
