using System;
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using System.Threading;
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using CoreGraphics;
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using Foundation;
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using UIKit;
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namespace Shared
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{
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public class ProgressLoading : View
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{
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ProgressLoadingView mProgressLoadingView
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{
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get
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{
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return uiView as ProgressLoadingView;
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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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public ProgressLoading()
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{
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mProgressLoadingView = new ProgressLoadingView(this) { };
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LoadingBackgroundColor = 0x30696969;
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//iosButton.BackgroundColor = UIColor.Clear;
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}
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Thread mLoadingThead;
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bool IsStartLoading;
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/// <summary>
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/// 开始Loading线程
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/// </summary>
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/// <param name="mTime">最小1000ms</param>
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public void StartLoading(int mTime = 3000)
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{
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try
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{
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if (mTime < 500) mTime = 500;
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EndLoading();
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mProgressLoadingView.BackgroundColor = mLoadingBackgroundColor;
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//Progress = 0;
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float PP = 0;
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int count = (int)(mTime * 0.01f);
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mLoadingThead = new Thread((obj) =>
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{
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try
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{
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IsStartLoading = true;
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while (PP <= 1 && IsStartLoading)
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{
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PP = PP + 0.01f;
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Application.RunOnMainThread(() =>
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{
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Progress = PP;
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});
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Thread.Sleep(count);
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}
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}
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catch
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{
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}
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finally
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{
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IsStartLoading = false;
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Application.RunOnMainThread(() =>
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{
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Progress = 0;
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mProgressLoadingView.BackgroundColor = UIColor.Clear;
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SetIsNeedRemove();
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});
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}
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});
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mLoadingThead.Start();
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}
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catch
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{
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}
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}
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/// <summary>
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/// 结束Loading
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/// </summary>
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void EndLoading()
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{
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IsStartLoading = false;
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if (mLoadingThead != null)
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mLoadingThead.Abort();
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Progress = 0;
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mProgressLoadingView.BackgroundColor = UIColor.Clear;
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}
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void SetIsNeedRemove()
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{
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if (IsNeedRemove)
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{
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this.RemoveFromParent();
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}
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}
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/// <summary>
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/// 结束Loading
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/// </summary>
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public void HideLoading()
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{
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EndLoading();
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SetIsNeedRemove();
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}
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/// <summary>
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/// 刷新布局
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/// </summary>
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private void RefreshFrame()
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{
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(uiView as ProgressLoadingView).InitWithFrameArc(new CoreGraphics.CGRect(base.X, base.Y, base.Width, base.Height));
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}
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/// <summary>
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/// 控件宽度
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/// </summary>
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public override int Width
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{
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get
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{
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return base.Width;
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}
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set
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{
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base.Width = value;
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RefreshFrame();
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}
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}
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/// <summary>
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/// 控件的高度
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/// </summary>
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public override int Height
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{
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get
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{
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return base.Height;
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}
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set
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{
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base.Height = value;
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RefreshFrame();
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}
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}
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/// <summary>
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/// 控件的X坐标
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/// </summary>
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public override int X
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{
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get
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{
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return base.X;
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}
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set
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{
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base.X = value;
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RefreshFrame();
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}
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}
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/// <summary>
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/// 控件的X坐标
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/// </summary>
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public override int Y
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{
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get
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{
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return base.Y;
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}
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set
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{
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base.Y = value;
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RefreshFrame();
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}
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}
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/// <summary>
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/// 当前进度值
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/// </summary>
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/// <value>进度值</value>
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public float Progress
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{
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set
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{
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mProgressLoadingView.Progress = value;
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}
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get
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{
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return mProgressLoadingView.Progress;
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}
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}
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/// <summary>
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/// 当前进度宽
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/// </summary>
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/// <value>进度值</value>
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public int ProgressWidth
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{
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set
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{
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mProgressLoadingView.ProgressWidth = value;
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}
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get
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{
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return (int)mProgressLoadingView.ProgressWidth;
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}
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}
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/// <summary>
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/// 当前进度半径
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/// </summary>
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/// <value>进度值</value>
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public int ProgressRadius
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{
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set
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{
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mProgressLoadingView.Radius = value;
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}
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get
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{
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return (int)mProgressLoadingView.Radius;
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}
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}
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/// <summary>
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/// 进度条颜色
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/// </summary>
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/// <value>单一进度条颜色</value>
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public uint ProgressBarColor
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{
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set
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{
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mProgressLoadingView.mProgressBarColor = HDLUtils.GetUIColorWithUint(value);
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mProgressLoadingView.SetNeedsDisplay();
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}
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}
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UIColor mLoadingBackgroundColor = UIColor.Gray;
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/// <summary>
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/// LoadingBackgroundColor
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/// </summary>
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/// <value>背景颜色</value>
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public uint LoadingBackgroundColor
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{
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set
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{
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mLoadingBackgroundColor = HDLUtils.GetUIColorWithUint(value);
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}
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}
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bool isNeedRemove = true;
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public bool IsNeedRemove
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{
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get
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{
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return isNeedRemove;
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}
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set
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{
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isNeedRemove = value;
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}
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}
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public class ProgressLoadingView : UIKit.UIView
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{
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/// <summary>
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/// 刷新布局
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/// </summary>
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public void InitWithFrameArc(CGRect mCGRect)
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{
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this.Frame = mCGRect;
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}
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[Weak] View view;
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public ProgressLoadingView(View view)
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{
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this.view = view;
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}
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float mProgress = 0.0f;
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public UIColor mProgressBarColor = UIColor.White;
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public nfloat ProgressWidth = 3;
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public nfloat Radius = 15;
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public nfloat StartAngle = (nfloat)(-Math.PI * 0.5);
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public override void Draw(CGRect rect)
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{
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base.Draw(rect);
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if (isShow && mProgress > 0)
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{
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CGContext ctx = UIGraphics.GetCurrentContext();
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if (ctx == null) return;
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ctx.SaveState();
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nfloat xCenter = rect.Size.Width * 0.5f;
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nfloat yCenter = rect.Size.Height * 0.5f;
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//mProgressBarColor.SetStroke();
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mProgressBarColor.SetColor();
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ctx.SetLineWidth(ProgressWidth);
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ctx.SetLineCap(CGLineCap.Round);
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nfloat endAngle = (nfloat)(StartAngle + mProgress * Math.PI * 2.0f); // 初始值0.05
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ctx.AddArc(xCenter, yCenter, Radius, StartAngle, endAngle, false);
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ctx.StrokePath();
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ctx.RestoreState();
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}
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}
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bool isShow = true;
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public bool IsShow
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{
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get
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{
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return isShow;
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}
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set
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{
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isShow = value;
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SetNeedsDisplay();
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}
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}
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public float Progress
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{
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get
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{
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return mProgress;
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}
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set
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{
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if (value < 0) value = 0.0f;
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if (value > 1) value = 1.0f;
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mProgress = value;
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SetNeedsDisplay();
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}
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}
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/// <summary>
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/// 点击开始
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/// </summary>
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/// <param name="touches">Touches.</param>
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/// <param name="evt">Evt.</param>
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public override void TouchesBegan(NSSet touches, UIEvent evt)
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{
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view?.TouchEvent(EventActions.Down, (touches.AnyObject as UITouch).LocationInView(this));
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}
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/// <summary>
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/// 移动
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/// </summary>
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/// <param name="touches">Touches.</param>
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/// <param name="evt">Evt.</param>
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public override void TouchesMoved(NSSet touches, UIEvent evt)
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{
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view?.TouchEvent(EventActions.Move, (touches.AnyObject as UITouch).LocationInView(this));
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}
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/// <summary>
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/// 点击弹起
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/// </summary>
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/// <param name="touches">Touches.</param>
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/// <param name="evt">Evt.</param>
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public override void TouchesEnded(NSSet touches, UIEvent evt)
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{
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view?.TouchEvent(EventActions.Up, (touches.AnyObject as UITouch).LocationInView(this));
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}
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public override void TouchesCancelled(NSSet touches, UIEvent evt)
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{
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view?.TouchEvent(EventActions.Cancel, (touches.AnyObject as UITouch).LocationInView(this));
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}
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}
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}
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}
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