using System;
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using UIKit;
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using CoreGraphics;
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namespace Shared
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{
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/// <summary>
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/// Loading UI
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/// </summary>
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public class Loading : View
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{
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public bool CurStatus = false;
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internal IosLoading iosLoading
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{
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get
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{
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return uiView as IosLoading;
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}
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set
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{
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uiView = value;
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}
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}
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/// <summary>
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/// Loading UI
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/// </summary>
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public Loading()
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{
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var bounds = UIScreen.MainScreen.Bounds;
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iosLoading = new IosLoading(bounds);
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}
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/// <summary>
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/// 开始当前视图
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/// </summary>
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public void Start()
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{
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iosLoading.uiLabel.Text = "Loading......";
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iosLoading.Start();
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CurStatus = true;
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}
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/// <summary>
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/// 开始当前视图
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/// </summary>
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public void Start(string s)
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{
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iosLoading.uiLabel.Text = s;
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iosLoading.Start();
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}
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/// <summary>
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/// 隐藏当前视图
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/// </summary>
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public void Hide()
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{
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iosLoading.uiLabel.Text = "Loading......";
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iosLoading.Hide();
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CurStatus = false;
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}
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public string Text
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{
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get
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{
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return iosLoading.uiLabel.Text;
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}
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set
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{
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iosLoading.uiLabel.Text = value;
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}
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}
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public virtual uint LodingBackgroundColor
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{
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get
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{
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return (iosLoading as IosLoading).LodingBackgroundColor;
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}
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set
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{
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(iosLoading as IosLoading).LodingBackgroundColor = value;
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}
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}
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}
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internal class IosLoading : UIView {
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UIActivityIndicatorView activitySpinner= new UIActivityIndicatorView(UIActivityIndicatorViewStyle.WhiteLarge);
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public UILabel uiLabel=new UILabel();
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UIView backUIView = new UIView(new CGRect(0, 0, 160, 100));
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public IosLoading(CGRect frame)
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{
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Frame = frame;
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Hidden = true;
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AutoresizingMask = UIViewAutoresizing.All;
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var f = backUIView.Frame;
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f.Width = frame.Width;
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f.Height = frame.Height;
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backUIView.Frame = f;
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var center = backUIView.Center;
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center.X = Frame.Width / 2;
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center.Y = Frame.Height / 2;
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backUIView.Center = center;
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AddSubview(backUIView);
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// create the activity spinner, center it horizontall and put it 5 points above center x
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var center1 = activitySpinner.Center;
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center1.X = backUIView.Frame.Width / 2;
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center1.Y = (backUIView.Frame.Height - 22) / 2;
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activitySpinner.Center = center1;
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backUIView.AddSubview(activitySpinner);
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activitySpinner.BackgroundColor = UIColor.Clear;
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var frame2 = uiLabel.Frame;
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frame2.Y = activitySpinner.Frame.Bottom+22;
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frame2.Width = backUIView.Frame.Width;
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frame2.Height = 22;
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uiLabel.Frame = frame2;
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uiLabel.BackgroundColor = UIColor.Clear;
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uiLabel.TextColor = UIColor.White;
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uiLabel.TextAlignment = UITextAlignment.Center;
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backUIView.AddSubview(uiLabel);
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}
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public void Start()
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{
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if (Superview == null)
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{
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return;
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}
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BackgroundColor = UIKit.UIColor.FromRGBA(0x32, 0x32, 0x32, 0xF0);
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Hidden = false;
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activitySpinner.StartAnimating();
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Superview.BringSubviewToFront(this);
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}
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/// <summary>
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/// Fades out the control and then removes it from the super view
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/// </summary>
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public void Hide ()
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{
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if(Superview==null){
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return;
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}
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Hidden = true;
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activitySpinner.StopAnimating ();
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Superview.SendSubviewToBack(this);
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}
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uint loadingBackgroundColor;
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/// <summary>
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/// 背景颜色
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/// </summary>
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/// <value>The color of the background.</value>
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public virtual uint LodingBackgroundColor
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{
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get
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{
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return loadingBackgroundColor;
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}
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set
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{
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loadingBackgroundColor = value;
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if (this.GetType() != typeof(ImageView))
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{
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byte r, g, b, a;
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r = (byte)(loadingBackgroundColor / 256 / 256 % 256);
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g = (byte)(loadingBackgroundColor / 256 % 256);
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b = (byte)(loadingBackgroundColor % 256);
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a = (byte)(loadingBackgroundColor / 256 / 256 / 256 % 256);
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backUIView.BackgroundColor = UIKit.UIColor.FromRGBA(r, g, b, a);
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backUIView.Layer.MasksToBounds = true;
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backUIView.Layer.CornerRadius = 6;
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backUIView.Layer.BorderWidth = 0;
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}
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}
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}
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}
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}
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