//Change Tab font
void ChangeFont()
{
var fontFace = Typeface.CreateFromAsset(Context.Assets, "OpenSans-SemiBold.ttf");
var bottomNavMenuView = bottomNavigationView.GetChildAt(0) as BottomNavigationMenuView;
for (int i = 0; i < bottomNavMenuView.ChildCount; i++)
{
var item = bottomNavMenuView.GetChildAt(i) as BottomNavigationItemView;
var itemTitle = item.GetChildAt(1);
var smallTextView = ((TextView)((BaselineLayout)itemTitle).GetChildAt(0));
var largeTextView = ((TextView)((BaselineLayout)itemTitle).GetChildAt(1));
lastItemId = bottomNavMenuView.SelectedItemId;
smallTextView.SetTypeface(fontFace, TypefaceStyle.Bold);
largeTextView.SetTypeface(fontFace, TypefaceStyle.Bold);
smallTextView.SetTextSize(Android.Util.ComplexUnitType.Px, 24);
largeTextView.SetTextSize(Android.Util.ComplexUnitType.Px, 24);
//Set text color
var textColor = (item.Id == bottomNavMenuView.SelectedItemId) ? Android.Graphics.Color.Black : Android.Graphics.Color.Gray;
smallTextView.SetTextColor(textColor);
largeTextView.SetTextColor(textColor);
}
}
private void UpdateTab(int tabIndex)
{
var page = Element.GetChildPageWithTransform(tabIndex);
var menu = (BottomNavigationMenuView)_bottomNavigationView.GetChildAt(0);
var isTitledisabled = TabbedPageTransforms.GetHideTitle(page);
var view = menu.GetChildAt(tabIndex);
if (view == null)
{
return;
}
if (view is BottomNavigationItemView itemView)
{
itemView.SetShifting(false);
itemView.SetBackground(null);
itemView.SetBackgroundColor(Android.Graphics.Color.Transparent);
for (int j = 0; j < itemView.ChildCount; j++)
{
UIView childView = itemView.GetChildAt(j);
if (childView is BaselineLayout baselineLayout)
{
if (isTitledisabled)
{
childView.Visibility = ViewStates.Gone;
childView.SetPadding(0, 0, 0, 0);
}
for (int z = 0; z < baselineLayout.ChildCount; z++)
{
var textview = baselineLayout.GetChildAt(z);
textview.SetPadding(0, 0, 0, 0);
if (isTitledisabled)
{
textview.Visibility = ViewStates.Gone;
}
}
}
else if (isTitledisabled && childView is ImageView icon)
{
FrameLayout.LayoutParams parames = (FrameLayout.LayoutParams)icon.LayoutParameters;
parames.Height = LayoutParams.MatchParent;
parames.Width = LayoutParams.MatchParent;
itemView.SetChecked(false);
parames.SetMargins(0, 8, 0, 8);
}
}
}
}
public static void RemoveShiftMode(BottomNavigationView bottomNavigationView)
{
try
{
if (bottomNavigationView == null)
{
return;
}
var menuView = (BottomNavigationMenuView)bottomNavigationView.GetChildAt(0);
var shiftingMode = Java.Lang.Class.FromType(typeof(BottomNavigationMenuView)).GetDeclaredField("mShiftingMode");
shiftingMode.Accessible = true;
shiftingMode.SetBoolean(menuView, false);
shiftingMode.Accessible = false;
for (var i = 0; i < menuView.ChildCount; i++)
{
var item = (BottomNavigationItemView)menuView.GetChildAt(i);
var icon = (AppCompatImageView)item.GetChildAt(0);
var layoutParameters = (AWidget.FrameLayout.LayoutParams)icon.LayoutParameters;
layoutParameters.Gravity = GravityFlags.Center;
item.SetShifting(false);
item.SetChecked(item.ItemData.IsChecked);
}
}
catch (Exception e)
{
}
}
public static void RemoveShiftMode(BottomNavigationView bottomNavigationView)
{
var bottomNavigationMenuView = (BottomNavigationMenuView)bottomNavigationView.GetChildAt(0);
try
{
var shiftingMode = bottomNavigationMenuView.Class.GetDeclaredField("mShiftingMode");
shiftingMode.Accessible = true;
shiftingMode.SetBoolean(bottomNavigationMenuView, false);
shiftingMode.Accessible = false;
for (var i = 0; i < bottomNavigationMenuView.ChildCount; i++)
{
var item = (BottomNavigationItemView)bottomNavigationMenuView.GetChildAt(i);
item.SetShiftingMode(false);
item.SetChecked(item.ItemData.IsChecked);
}
}
catch (NoSuchFieldException)
{
Log.Error("ERROR NO SUCH FIELD", "Unable to get shift mode field");
}
catch (IllegalAccessException)
{
Log.Error("ERROR ILLEGAL ALG", "Unable to change value of shift mode");
}
}
void RemoveShiftMode(BottomNavigationView view)
{
var menuView = (BottomNavigationMenuView)view.GetChildAt(0);
try
{
var shiftingMode = menuView.Class.GetDeclaredField("mShiftingMode");
shiftingMode.Accessible = true;
shiftingMode.SetBoolean(menuView, false);
shiftingMode.Accessible = false;
for (int i = 0; i < menuView.ChildCount; i++)
{
var item = (BottomNavigationItemView)menuView.GetChildAt(i);
// item.SetShiftingMode(false);
// set once again checked value, so view will be updated
item.SetChecked(item.ItemData.IsChecked);
}
}
catch (System.Exception ex)
{
System.Diagnostics.Debug.WriteLine((ex.InnerException ?? ex).Message);
}
}
public static void disableShiftMode(BottomNavigationView view)
{
BottomNavigationMenuView menuView = (BottomNavigationMenuView)view.GetChildAt(0);
try
{
for (int i = 0; i < menuView.ChildCount; i++)
{
BottomNavigationItemView item = (BottomNavigationItemView)menuView.GetChildAt(i);
//noinspection RestrictedApi
item.SetShiftingMode(false);
// set once again checked value, so view will be updated
//noinspection RestrictedApi
item.SetChecked(item.ItemData.IsChecked);
}
}
catch (NoSuchFieldException e)
{
//Log.("BNVHelper", "Unable to get shift mode field", e);
}
catch (IllegalAccessException e)
{
// Log.e("BNVHelper", "Unable to change value of shift mode", e);
}
}
/// <summary>
/// The ApplyBadge.
/// </summary>
/// <param name="badgeText">The badgeText<see cref="string"/>.</param>
/// <param name="badgeBg">The badgeBg<see cref="Color"/>.</param>
/// <param name="itemId">The itemId<see cref="int"/>.</param>
/// <param name="textColor">The textColor<see cref="Color"/>.</param>
private void ApplyBadge(string badgeText,
Color badgeBg, int itemId, Color textColor)
{
using BottomNavigationMenuView bottomNavigationMenuView =
(BottomNavigationMenuView)_bottomNavigationView.GetChildAt(0);
var itemView = bottomNavigationMenuView
.FindViewById <BottomNavigationItemView>(itemId);
if (string.IsNullOrEmpty(badgeText))
{
itemView.ApplyBadge(badgeBg, "", textColor);
}
else
{
int.TryParse(badgeText, out var badgeNumber);
if (badgeNumber != 0)
{
itemView.ApplyBadge(badgeBg, badgeText, textColor);
}
else
{
itemView.ApplyTinyBadge(textColor);
}
}
}
private void UpdateAllTabs()
{
for (var index = 0; index < _formsTabs.Children.Count; index++)
{
var page = _formsTabs.Children[index].Navigation.NavigationStack.First();
((Android.Views.ViewGroup)((Android.Views.ViewGroup)_bottomNavigationView.GetChildAt(0)).GetChildAt(index)).GetChildAt(0).ContentDescription = page.Title ?? "Untitled";
var androidTab = _bottomNavigationView.Menu.GetItem(index);
int iconId;
if (_formsTabs.Children[index]?.Navigation?.NavigationStack?.FirstOrDefault() is ITabPageIcons tabPage)
{
if (_formsTabs.Children[index] == _formsTabs.CurrentPage)
{
iconId = ResourceUtil.GetDrawableIdByFileName(tabPage.GetSelectedIcon(), Context);
androidTab.SetIcon(iconId);
continue;
}
iconId = ResourceUtil.GetDrawableIdByFileName(tabPage.GetIcon(), Context);
androidTab.SetIcon(iconId);
continue;
}
}
}
protected virtual void SetBackgroundColor(BottomNavigationView bottomView, Color color)
{
if (_lastColor.IsDefault)
{
_lastColor = color;
}
using (var menuView = bottomView.GetChildAt(0) as BottomNavigationMenuView)
{
if (menuView == null)
{
bottomView.SetBackground(new ColorDrawable(color.ToAndroid()));
}
else
{
var index = _shellItem.Items.IndexOf(_shellItem.CurrentItem);
using (var menu = bottomView.Menu)
index = Math.Min(index, menu.Size() - 1);
using (var child = menuView.GetChildAt(index))
{
var touchPoint = new Point(child.Left + (child.Right - child.Left) / 2, child.Top + (child.Bottom - child.Top) / 2);
bottomView.Background?.Dispose();
bottomView.SetBackground(new ColorChangeRevealDrawable(_lastColor.ToAndroid(), color.ToAndroid(), touchPoint));
_lastColor = color;
}
}
}
}
public static void disableShiftMode(BottomNavigationView navigationView)
{
BottomNavigationMenuView menuView = (BottomNavigationMenuView)navigationView.GetChildAt(0);
try
{
var shiftingMode = typeof(BottomNavigationMenuView).GetField("mShiftingMode");
//shiftingMode.setAccessible(true);
//shiftingMode.setBoolean(menuView, false);
//shiftingMode.SetValue(menuView, false);
//shiftingMode.setAccessible(false);
for (int i = 0; i < menuView.ChildCount; i++)
{
BottomNavigationItemView itemView = (BottomNavigationItemView)menuView.GetChildAt(i);
itemView.SetShiftingMode(false);
itemView.SetChecked(itemView.ItemData.IsChecked);
}
}
catch (Exception ex)
{
throw;
}
}
private void UpdateTab(int tabIndex)
{
var page = Element.GetChildPageWithTransform(tabIndex);
var menu = (BottomNavigationMenuView)_bottomNavigationView.GetChildAt(0);
//Setting Title Property and Centering
if (Transforms.GetHideTitle(page))
{
var view = menu.GetChildAt(tabIndex);
if (view == null)
{
return;
}
if (view is BottomNavigationItemView)
{
var viewgroup = (ViewGroup)view;
for (int j = 0; j < viewgroup.ChildCount; j++)
{
View v = viewgroup.GetChildAt(j);
if (v is ViewGroup)
{
v.Visibility = ViewStates.Gone;
}
else
{
ImageView icon = (ImageView)v;
FrameLayout.LayoutParams parames = (FrameLayout.LayoutParams)icon.LayoutParameters;
parames.Gravity = GravityFlags.Center;
}
}
}
}
}
//Adding line view
void SetupBottomNavigationView(BottomNavigationView bottomNavigationView, IMenuItem item)
{
//int lineBottomOffset = 8;
//int lineWidth = 4;
//int itemHeight = bottomNavigationView.Height - lineBottomOffset;
//int itemWidth = (bottomNavigationView.Width / Element.Children.Count);
//int leftOffset = item.ItemId * itemWidth;
//int rightOffset = itemWidth * (Element.Children.Count - (item.ItemId + 1));
//GradientDrawable bottomLine = new GradientDrawable();
//bottomLine.SetShape(ShapeType.Line);
//bottomLine.SetStroke(lineWidth, Xamarin.Forms.Color.DarkGray.ToAndroid());
//var layerDrawable = new LayerDrawable(new Drawable[] { bottomLine });
//layerDrawable.SetLayerInset(0, leftOffset, itemHeight, rightOffset, 0);
//bottomNavigationView.SetBackground(layerDrawable);
var bottomNavMenuView = bottomNavigationView.GetChildAt(0) as BottomNavigationMenuView;
bottomNavMenuView.GetChildAt(0).SetBackgroundResource(Resource.Drawable.rect);
bottomNavMenuView.GetChildAt(1).SetBackgroundResource(Resource.Drawable.rect);
bottomNavMenuView.GetChildAt(2).SetBackgroundResource(Resource.Drawable.rect);
bottomNavMenuView.GetChildAt(3).SetBackgroundResource(Resource.Drawable.rect);
bottomNavMenuView.GetChildAt(4).SetBackgroundResource(Resource.Drawable.rect);
bottomNavMenuView.GetChildAt(item.ItemId).SetBackgroundResource(Resource.Drawable.rectangle);
}
//Remove animation
public void SetShiftMode(BottomNavigationView bottomNavigationView, bool enableShiftMode, bool enableItemShiftMode)
{
try
{
var menuView = bottomNavigationView.GetChildAt(0) as BottomNavigationMenuView;
if (menuView == null)
{
System.Diagnostics.Debug.WriteLine("Unable to find BottomNavigationMenuView");
return;
}
var shiftMode = menuView.Class.GetDeclaredField("mShiftingMode");
shiftMode.Accessible = true;
shiftMode.SetBoolean(menuView, enableShiftMode);
shiftMode.Accessible = false;
shiftMode.Dispose();
for (int i = 0; i < menuView.ChildCount; i++)
{
var item = menuView.GetChildAt(i) as BottomNavigationItemView;
if (item == null)
{
continue;
}
item.SetShifting(enableItemShiftMode);
item.SetChecked(item.ItemData.IsChecked);
}
menuView.UpdateMenuView();
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine($"Unable to set shift mode: {ex}");
}
}
protected virtual void SetBackgroundColor(BottomNavigationView bottomView, Color color)
{
var menuView = bottomView.GetChildAt(0) as BottomNavigationMenuView;
var oldBackground = bottomView.Background;
var colorDrawable = oldBackground as ColorDrawable;
var colorChangeRevealDrawable = oldBackground as ColorChangeRevealDrawable;
AColor lastColor = colorChangeRevealDrawable?.EndColor ?? colorDrawable?.Color ?? Colors.Transparent.ToPlatform();
AColor newColor;
if (color == null)
{
newColor = ShellView.DefaultBottomNavigationViewBackgroundColor.ToPlatform();
}
else
{
newColor = color.ToPlatform();
}
if (menuView == null)
{
if (colorDrawable != null && lastColor == newColor)
{
return;
}
if (lastColor != newColor || colorDrawable == null)
{
// taken from android source code
var backgroundColor = new MaterialShapeDrawable();
backgroundColor.FillColor = ColorStateList.ValueOf(newColor);
backgroundColor.InitializeElevationOverlay(bottomView.Context);
ViewCompat.SetBackground(bottomView, backgroundColor);
}
}
else
{
if (colorChangeRevealDrawable != null && lastColor == newColor)
{
return;
}
var index = ((IShellItemController)_shellItem).GetItems().IndexOf(_shellItem.CurrentItem);
var menu = bottomView.Menu;
index = Math.Min(index, menu.Size() - 1);
var child = menuView.GetChildAt(index);
if (child == null)
{
return;
}
var touchPoint = new Point(child.Left + (child.Right - child.Left) / 2, child.Top + (child.Bottom - child.Top) / 2);
ViewCompat.SetBackground(bottomView, new ColorChangeRevealDrawable(lastColor, newColor, touchPoint));
}
}
void SetSelectedTtitle()
{
var bottomNavMenuView = bottomNavigationView.GetChildAt(0) as BottomNavigationMenuView;
for (int i = 0; i < bottomNavMenuView.ChildCount; i++)
{
var item = bottomNavMenuView.GetChildAt(i) as BottomNavigationItemView;
var itemTitle = item.GetChildAt(1);
var largeTextView = ((TextView)((BaselineLayout)itemTitle).GetChildAt(1));
lastItemId = bottomNavMenuView.SelectedItemId;
largeTextView.SetTypeface(Typeface.Default, TypefaceStyle.Bold);
//Set text color
var textColor = (item.Id == bottomNavMenuView.SelectedItemId) ? tabbedPage.On <Xamarin.Forms.PlatformConfiguration.Android>().GetBarSelectedItemColor().ToAndroid() : tabbedPage.On <Xamarin.Forms.PlatformConfiguration.Android>().GetBarItemColor().ToAndroid();
largeTextView.SetTextColor(textColor);
}
}
public static void SetShifting(this BottomNavigationView bnv, bool shifting)
{
var bnmv = (BottomNavigationMenuView)bnv.GetChildAt(0);
for (int i = 0; i < bnmv.ChildCount; i++)
{
var bniv = (BottomNavigationItemView)bnmv.GetChildAt(i);
bniv.SetShifting(shifting);
bniv.SetChecked(bniv.ItemData.IsChecked);
}
}
public static void SetShiftMode(this BottomNavigationView bottomNavigationView, bool enableShiftMode, bool enableItemShiftMode)
{
try
{
using (var menuView = bottomNavigationView.GetChildAt(0) as BottomNavigationMenuView)
{
if (menuView == null)
{
System.Diagnostics.Debug.WriteLine("Unable to find BottomNavigationMenuView");
return;
}
#if __ANDROID81__
var shiftMode = menuView.Class.GetDeclaredField("mShiftingMode");
shiftMode.Accessible = true;
shiftMode.SetBoolean(menuView, enableShiftMode);
shiftMode.Accessible = false;
shiftMode.Dispose();
#else
if (enableShiftMode)
{
bottomNavigationView.LabelVisibilityMode = ALabelVisibilityMode.LabelVisibilityAuto;
}
else
{
bottomNavigationView.LabelVisibilityMode = ALabelVisibilityMode.LabelVisibilityLabeled;
}
#endif
for (int i = 0; i < menuView.ChildCount; i++)
{
var child = menuView.GetChildAt(i);
var item = child as BottomNavigationItemView;
if (item != null)
{
#if __ANDROID81__
item.SetShiftingMode(enableItemShiftMode);
#else
item.SetShifting(enableItemShiftMode);
#endif
item.SetChecked(item.ItemData.IsChecked);
}
child.Dispose();
}
menuView.UpdateMenuView();
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine($"Unable to set shift mode: {ex}");
}
}
public static void SetLabelVisibilityMode(this BottomNavigationView bnv, int mode)
{
var bnmv = (BottomNavigationMenuView)bnv.GetChildAt(0);
using (var field = bnmv.Class.GetDeclaredField("labelVisibilityMode"))
{
field.Accessible = true;
field.SetInt(bnmv, mode);
field.Accessible = false;
}
}
protected virtual void SetBackgroundColor(BottomNavigationView bottomView, Color color)
{
var menuView = bottomView.GetChildAt(0) as BottomNavigationMenuView;
var oldBackground = bottomView.Background;
var colorDrawable = oldBackground as ColorDrawable;
var colorChangeRevealDrawable = oldBackground as ColorChangeRevealDrawable;
AColor lastColor = colorChangeRevealDrawable?.EndColor ?? colorDrawable?.Color ?? Color.Default.ToAndroid();
AColor newColor;
if (color == Color.Default)
{
newColor = Color.White.ToAndroid();
}
else
{
newColor = color.ToAndroid();
}
if (menuView == null)
{
if (colorDrawable != null && lastColor == newColor)
{
return;
}
if (lastColor != newColor || colorDrawable == null)
{
bottomView.SetBackground(new ColorDrawable(newColor));
}
}
else
{
if (colorChangeRevealDrawable != null && lastColor == newColor)
{
return;
}
var index = ((IShellItemController)_shellItem).GetItems().IndexOf(_shellItem.CurrentItem);
var menu = bottomView.Menu;
index = Math.Min(index, menu.Size() - 1);
var child = menuView.GetChildAt(index);
if (child == null)
{
return;
}
var touchPoint = new Point(child.Left + (child.Right - child.Left) / 2, child.Top + (child.Bottom - child.Top) / 2);
bottomView.SetBackground(new ColorChangeRevealDrawable(lastColor, newColor, touchPoint));
}
}
//Change Tab font
void ChangeFont()
{
var fontFace = Typeface.CreateFromAsset(Context.Assets, "Celias-Medium.ttf");
var bottomNavMenuView = bottomNavigationView.GetChildAt(0) as BottomNavigationMenuView;
for (int i = 0; i < bottomNavMenuView.ChildCount; i++)
{
var item = bottomNavMenuView.GetChildAt(i) as BottomNavigationItemView;
var itemTitle = item.GetChildAt(1);
var smallTextView = ((TextView)((BaselineLayout)itemTitle).GetChildAt(0));
var largeTextView = ((TextView)((BaselineLayout)itemTitle).GetChildAt(1));
lastItemId = bottomNavMenuView.SelectedItemId;
smallTextView.SetTypeface(fontFace, TypefaceStyle.Normal);
largeTextView.SetTypeface(fontFace, TypefaceStyle.Normal);
smallTextView.SetTextSize(Android.Util.ComplexUnitType.Sp, 10);
largeTextView.SetTextSize(Android.Util.ComplexUnitType.Sp, 12);
}
}
//Change Tab font
void ChangeFont()
{
var fontFace = Typeface.CreateFromAsset(Context.Assets, "gilsansultrabold.ttf");
var bottomNavMenuView = bottomNavigationView.GetChildAt(0) as BottomNavigationMenuView;
for (int i = 0; i < bottomNavMenuView.ChildCount; i++)
{
var item = bottomNavMenuView.GetChildAt(i) as BottomNavigationItemView;
var itemTitle = item.GetChildAt(1);
var smallTextView = ((TextView)((BaselineLayout)itemTitle).GetChildAt(0));
var largeTextView = ((TextView)((BaselineLayout)itemTitle).GetChildAt(1));
lastItemId = bottomNavMenuView.SelectedItemId;
smallTextView.SetTypeface(fontFace, TypefaceStyle.Bold);
largeTextView.SetTypeface(fontFace, TypefaceStyle.Bold);
//Set text color
var textColor = (item.Id == bottomNavMenuView.SelectedItemId) ? tabbedPage.On <Xamarin.Forms.PlatformConfiguration.Android>().GetBarSelectedItemColor().ToAndroid() : tabbedPage.On <Xamarin.Forms.PlatformConfiguration.Android>().GetBarItemColor().ToAndroid();
smallTextView.SetTextColor(textColor);
largeTextView.SetTextColor(textColor);
}
}
//Change Tab font
void ChangeFont()
{
var fontFace = Typeface.CreateFromAsset(Context.Assets, fontFamily);
var bottomNavMenuView = bottomNavigationView.GetChildAt(0) as BottomNavigationMenuView;
for (int i = 0; i < bottomNavMenuView.ChildCount; i++)
{
var item = bottomNavMenuView.GetChildAt(i) as BottomNavigationItemView;
var itemTitle = item.GetChildAt(1);
var smallTextView = ((TextView)((BaselineLayout)itemTitle).GetChildAt(0));
var largeTextView = ((TextView)((BaselineLayout)itemTitle).GetChildAt(1));
lastItemId = bottomNavMenuView.SelectedItemId;
smallTextView.SetTypeface(fontFace, TypefaceStyle.Bold);
largeTextView.SetTypeface(fontFace, TypefaceStyle.Bold);
//Set text color
var textColor = (item.Id == bottomNavMenuView.SelectedItemId) ? tabbedPage.SelectedTabColor.ToAndroid() : tabbedPage.UnselectedTabColor.ToAndroid();
smallTextView.SetTextColor(textColor);
largeTextView.SetTextColor(textColor);
}
}
void RemoveShiftMode(BottomNavigationView view)
{
var menuView = (BottomNavigationMenuView)view.GetChildAt(0);
try
{
//view.ScaleY = (float)1.1;
var shiftingMode = menuView.Class.GetDeclaredField("mShiftingMode");
shiftingMode.Accessible = true;
shiftingMode.SetBoolean(menuView, false);
shiftingMode.Accessible = false;
for (int i = 0; i < menuView.ChildCount; i++)
{
var item = (BottomNavigationItemView)menuView.GetChildAt(i);
item.SetShiftingMode(false);
// set once again checked value, so view will be updated
item.SetChecked(true);
item.SetShiftingMode(false);
if (i == 0)
{
item.LongClick += HomeLongClickListener;
}
if (i == 2)
{
item.LongClick += FeedTabLongClickListener;
}
if (i == 3)
{
item.LongClick += MyChannelLongClickListener;
}
if (i == 4)
{
item.LongClick += SettingsTabLongClickListener;
}
if (NavViewItemList != null)
{
NavViewItemList.Add(item);
}
}
}
catch (System.Exception ex)
{
System.Console.WriteLine((ex.InnerException ?? ex).Message);
}
}
public static void UpdateBottomNavTitleFont(this BottomNavigationView view)
{
var menuView = (BottomNavigationMenuView)view.GetChildAt(0);
try
{
for (int i = 0; i < menuView.ChildCount; i++)
{
var item = (BottomNavigationItemView)menuView.GetChildAt(i);
// set once again checked value, so view will be updated
//noinspection RestrictedApi
item.SetChecked(item.ItemData.IsChecked);
//Custom Style Title
}
menuView.UpdateMenuView();
}
catch (Exception ex)
{
}
}
void ChangeFont()
{
var fontFace = Typeface.CreateFromAsset(Context?.Assets, "nexabold.otf");
if (!(_bottomNavigationView.GetChildAt(0) is BottomNavigationMenuView bottomNavMenuView))
{
return;
}
for (var i = 0; i < bottomNavMenuView.ChildCount; i++)
{
var item = bottomNavMenuView.GetChildAt(i) as BottomNavigationItemView;
var itemTitle = item?.GetChildAt(1);
var smallTextView = (TextView)((BaselineLayout)itemTitle)?.GetChildAt(0);
var largeTextView = (TextView)((BaselineLayout)itemTitle)?.GetChildAt(1);
smallTextView?.SetTypeface(fontFace, TypefaceStyle.Normal);
largeTextView?.SetTypeface(fontFace, TypefaceStyle.Normal);
}
}
void ChangeFont()
{
var fontFace = Typeface.CreateFromAsset(Context.Assets, "SourceSansPro-Regular.ttf");
if (bottomNavigationView.GetChildAt(0) is not BottomNavigationMenuView bottomNavMenuView)
{
return;
}
for (var i = 0; i < bottomNavMenuView.ChildCount; i++)
{
var item = bottomNavMenuView.GetChildAt(i) as BottomNavigationItemView;
var itemTitle = item.GetChildAt(1);
var smallTextView = ((TextView)((BaselineLayout)itemTitle).GetChildAt(0));
var largeTextView = ((TextView)((BaselineLayout)itemTitle).GetChildAt(1));
smallTextView.SetTypeface(fontFace, TypefaceStyle.Normal);
largeTextView.SetTypeface(fontFace, TypefaceStyle.Normal);
}
}
public static void DisableShiftMode(BottomNavigationView view)
{
BottomNavigationMenuView menuView = (BottomNavigationMenuView)view.GetChildAt(0);
try
{
var sm = menuView.Class.GetDeclaredField("mShiftingMode");
sm.Accessible = true;
sm.SetBoolean(menuView, false);
sm.Accessible = false;
for (int i = 0; i < menuView.ChildCount; i++)
{
BottomNavigationItemView item = (BottomNavigationItemView)menuView.GetChildAt(i);
item.SetShiftingMode(false);
item.SetChecked(item.ItemData.IsChecked);
}
}
catch (System.Exception)
{
}
}
public static void DisableShiftMode(BottomNavigationView view)
{
BottomNavigationMenuView menuView = (BottomNavigationMenuView)view.GetChildAt(0);
try
{
Java.Lang.Reflect.Field shiftingMode = menuView.Class.GetDeclaredField("mShiftingMode");
shiftingMode.Accessible = true;
shiftingMode.SetBoolean(menuView, false);
shiftingMode.Accessible = false;
for (int i = 0; i < menuView.ChildCount; i++)
{
BottomNavigationItemView itemView = (BottomNavigationItemView)menuView.GetChildAt(i);
itemView.SetShiftingMode(false);
itemView.SetChecked(itemView.ItemData.IsChecked);
}
}
catch (Exception ex)
{
BuglyUtil.PostException("unable to get shift mode field" + ex);
}
}
public static void DisableScale(this BottomNavigationView bnv)
{
var bnmv = (BottomNavigationMenuView)bnv.GetChildAt(0);
var fontScale = bnv.Resources.DisplayMetrics.ScaledDensity;
for (int i = 0; i < bnmv.ChildCount; i++)
{
var bniv = (BottomNavigationItemView)bnmv.GetChildAt(i);
using (var field0 = bniv.Class.GetDeclaredField("largeLabel"))
using (var field1 = bniv.Class.GetDeclaredField("smallLabel"))
using (var field2 = bniv.Class.GetDeclaredField("shiftAmount"))
using (var field3 = bniv.Class.GetDeclaredField("scaleUpFactor"))
using (var field4 = bniv.Class.GetDeclaredField("scaleDownFactor"))
{
field0.Accessible = true;
field1.Accessible = true;
field2.Accessible = true;
field3.Accessible = true;
field4.Accessible = true;
var tvLarge = field0.Get(bniv).JavaCast <TextView>();
var tvSmall = field1.Get(bniv).JavaCast <TextView>();
tvLarge.TextSize = tvSmall.TextSize / fontScale;
field2.Set(bniv, 0);
field3.Set(bniv, 1F);
field4.Set(bniv, 1F);
field0.Accessible = false;
field1.Accessible = false;
field2.Accessible = false;
field3.Accessible = false;
field4.Accessible = false;
}
bniv.SetChecked(bniv.ItemData.IsChecked);
}
}
BottomNavigationView CustomizeBottomNavigationViewMenuItems(BottomNavigationView bottomNavigationView, List <TabStates.TabFragPackage> tabs = null, bool setExisting = false, bool removeShiftMode = true)
{
BottomNavigationMenuView menuView = (BottomNavigationMenuView)bottomNavigationView.GetChildAt(0);
try {
//view.ScaleY = (float)1.1;
var shiftingMode = menuView.Class.GetDeclaredField("mShiftingMode");
shiftingMode.Accessible = true;
shiftingMode.SetBoolean(menuView, false);
shiftingMode.Accessible = false;
}
catch { }
var positionKey = -1;
if (!setExisting && tabs != null)
{
foreach (var tab in tabs)
{
positionKey++;
var item = (BottomNavigationItemView)menuView.GetChildAt(positionKey);
item.SetShiftingMode(false);
// set once again checked value, so view will be updated
item.SetChecked(true);
//BottomNavigationItemView tab = new BottomNavigationItemView(GetMainContext());
item.SetIcon(tab.Icon);
item.SetEnabled(true);
item.SetTitle(tab.Title);
item.ItemPosition = positionKey;
//menuView.AddView(tab, positionKey);
}
}
else if (setExisting && tabs != null)
{
for (int i = 0; i < menuView.ChildCount; i++)
{
try {
GetBottomNavItemFromView(menuView.GetChildAt(i)).SetShiftingMode(false);
GetBottomNavItemFromView(menuView.GetChildAt(i)).ItemData.SetIcon(tabs[i].Icon);
GetBottomNavItemFromView(menuView.GetChildAt(i)).ItemData.SetTitle(tabs[i].Title);
GetBottomNavItemFromView(menuView.GetChildAt(i)).SetChecked(true);
if (i == 0)
{
GetBottomNavItemFromView(menuView.GetChildAt(i)).LongClick += HomeLongClickListener;
}
if (i == 2)
{
GetBottomNavItemFromView(menuView.GetChildAt(i)).LongClick += FeedTabLongClickListener;
}
if (i == 3)
{
GetBottomNavItemFromView(menuView.GetChildAt(i)).LongClick += MyChannelLongClickListener;
}
if (i == 4)
{
GetBottomNavItemFromView(menuView.GetChildAt(i)).LongClick += SettingsTabLongClickListener;
}
}
catch { }
try
{
NavViewItemList.Add(GetBottomNavItemFromView(menuView.GetChildAt(i)));
}
catch { }
}
}
return(bottomNavigationView);
}
