private void handleTypedArray(Context context, IAttributeSet attrs)
{
if (attrs == null)
{
return;
}
TypedArray typedArray = context.ObtainStyledAttributes(attrs, Resource.Styleable.CircleIndicator);
this.mIndicatorWidth = typedArray.GetDimensionPixelSize(Resource.Styleable.CircleIndicator_ci_width, -1);
this.mIndicatorHeight = typedArray.GetDimensionPixelSize(Resource.Styleable.CircleIndicator_ci_height, -1);
this.mIndicatorMargin = typedArray.GetDimensionPixelSize(Resource.Styleable.CircleIndicator_ci_margin, -1);
this.mAnimatorResId = typedArray.GetResourceId(Resource.Styleable.CircleIndicator_ci_animator,
Resource.Animator.scale_with_alpha);
this.mAnimatorReverseResId =
typedArray.GetResourceId(Resource.Styleable.CircleIndicator_ci_animator_reverse, 0);
this.mIndicatorBackgroundResId = typedArray.GetResourceId(Resource.Styleable.CircleIndicator_ci_drawable,
Resource.Drawable.white_radius);
this.mIndicatorUnselectedBackgroundResId =
typedArray.GetResourceId(Resource.Styleable.CircleIndicator_ci_drawable_unselected,
this.mIndicatorBackgroundResId);
Android.Widget.Orientation orientation =
(Android.Widget.Orientation)typedArray.GetInt(Resource.Styleable.CircleIndicator_ci_orientation, -1);
Orientation = (orientation == Android.Widget.Orientation.Vertical
? Android.Widget.Orientation.Vertical
: Android.Widget.Orientation.Horizontal);
int gravity = typedArray.GetInt(Resource.Styleable.CircleIndicator_ci_gravity, -1);
SetGravity((gravity >= 0 ? (GravityFlags)gravity : GravityFlags.Center));
typedArray.Recycle();
}
private void addIndicator(Android.Widget.Orientation orientation, int backgroundDrawableId, Animator animator)
{
if (animator.IsRunning)
{
animator.End();
animator.Cancel();
}
var indicator = new View(Context);
indicator.SetBackgroundResource(backgroundDrawableId);
AddView(indicator, mIndicatorWidth, mIndicatorHeight);
LayoutParams lp = (LayoutParams)indicator.LayoutParameters;
if (orientation == Android.Widget.Orientation.Horizontal)
{
lp.LeftMargin = mIndicatorMargin;
lp.RightMargin = mIndicatorMargin;
}
else
{
lp.TopMargin = mIndicatorMargin;
lp.BottomMargin = mIndicatorMargin;
}
indicator.LayoutParameters = lp;
animator.SetTarget(indicator);
animator.Start();
}
public CirclePageIndicator(Context context, IAttributeSet attrs, int defStyle)
: base(context, attrs, defStyle)
{
if (IsInEditMode) return;
//Load defaults from resources
Resources res = this.Resources;
Color defaultPageColor = res.GetColor(R.Color.default_circle_indicator_page_color);
Color defaultFillColor = res.GetColor(R.Color.default_circle_indicator_fill_color);
int defaultOrientation = res.GetInteger(R.Integer.default_circle_indicator_orientation);
Color defaultStrokeColor = res.GetColor(R.Color.default_circle_indicator_stroke_color);
float defaultStrokeWidth = res.GetDimension(R.Dimension.default_circle_indicator_stroke_width);
float defaultRadius = res.GetDimension(R.Dimension.default_circle_indicator_radius);
bool defaultCentered = res.GetBoolean(R.Boolean.default_circle_indicator_centered);
bool defaultSnap = res.GetBoolean(R.Boolean.default_circle_indicator_snap);
//Retrieve styles attributes
TypedArray a = context.ObtainStyledAttributes(attrs, R.Styleable.CirclePageIndicator, defStyle, 0);
mCentered = a.GetBoolean(R.Styleable.CirclePageIndicator_centered, defaultCentered);
mOrientation = (Android.Widget.Orientation)a.GetInt(R.Styleable.CirclePageIndicator_android_orientation, defaultOrientation);
mPaintPageFill.SetStyle(Paint.Style.Fill);
mPaintPageFill.Color = a.GetColor(R.Styleable.CirclePageIndicator_pageColor, defaultPageColor);
mPaintStroke.SetStyle(Paint.Style.Stroke);
mPaintStroke.Color = a.GetColor(R.Styleable.CirclePageIndicator_strokeColor, defaultStrokeColor);
mPaintStroke.StrokeWidth = a.GetDimension(R.Styleable.CirclePageIndicator_strokeWidth, defaultStrokeWidth);
mPaintFill.SetStyle(Paint.Style.Fill);
mPaintFill.Color = a.GetColor(R.Styleable.CirclePageIndicator_fillColor, defaultFillColor);
mRadius = a.GetDimension(R.Styleable.CirclePageIndicator_radius, defaultRadius);
mSnap = a.GetBoolean(R.Styleable.CirclePageIndicator_snap, defaultSnap);
Drawable background = a.GetDrawable(R.Styleable.CirclePageIndicator_android_background);
if (background != null)
{
SetBackgroundDrawable(background);
}
a.Recycle();
ViewConfiguration configuration = ViewConfiguration.Get(context);
mTouchSlop = ViewConfigurationCompat.GetScaledPagingTouchSlop(configuration);
}
public void setOrientation(Android.Widget.Orientation orientation)
{
switch (orientation)
{
case Android.Widget.Orientation.Horizontal:
case Android.Widget.Orientation.Vertical:
mOrientation = orientation;
RequestLayout();
break;
default:
throw new Java.Lang.IllegalArgumentException("Orientation must be either HORIZONTAL or VERTICAL.");
}
}