using System;
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using System.Threading;
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using Android.Content;
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using Android.Graphics;
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using Android.Views;
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namespace Shared
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{
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/// <summary>
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/// ProgressLoading
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/// </summary>
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public class ProgressLoading : View
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{
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/// <summary>
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/// 当前视图
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/// </summary>
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/// <value>The android ProgressLoadingView.</value>
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ProgressLoadingView mProgressLoadingView
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{
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get
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{
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return AndroidView as ProgressLoadingView;
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}
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set
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{
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AndroidView = value;
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}
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}
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/// <summary>
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/// 构造函数
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/// </summary>
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public ProgressLoading()
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{
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mProgressLoadingView = new ProgressLoadingView(Application.Activity, this);
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LoadingBackgroundColor = 0x30696969;
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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500ms</param>
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public void StartLoading(int mTime = 3000)
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{
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if (mTime < 500) mTime = 500;
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EndLoading();
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mProgressLoadingView.SetBackgroundColor(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.SetBackgroundColor(Android.Graphics.Color.Transparent);
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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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/// <summary>
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/// 结束Loading
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/// </summary>
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public 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.SetBackgroundColor(Android.Graphics.Color.Transparent);
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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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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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/// <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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/// 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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(AndroidView as ProgressLoadingView).Progress = value;
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}
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get
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{
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return (AndroidView as ProgressLoadingView).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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(AndroidView as ProgressLoadingView).ProgressWidth = value;
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}
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get
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{
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return (int)(AndroidView as ProgressLoadingView).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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(AndroidView as ProgressLoadingView).Radius = value;
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}
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get
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{
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return (int)(AndroidView as ProgressLoadingView).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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(AndroidView as ProgressLoadingView).ProgressBarColor = HDLUtils.GetUIColorWithUint(value);
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(AndroidView as ProgressLoadingView).PostInvalidate();
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}
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}
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Android.Graphics.Color mLoadingBackgroundColor = Android.Graphics.Color.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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public class ProgressLoadingView : Android.Views.View
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{
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View view;
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public ProgressLoadingView(Context context, View view)
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: base(context)
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{
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this.view = view;
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initProgressBarPaint();
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Radius = mRadius;
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//SetBackgroundColor(Android.Graphics.Color.Transparent);
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}
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public override bool OnTouchEvent(MotionEvent e)
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{
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var v = base.OnTouchEvent(e);
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view?.TouchEvent(e);
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return true;
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}
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// 初始化进度圆弧画笔
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private void initProgressBarPaint()
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{
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mArcProgressBarPaint = new Paint(); //初始化进度圆弧画笔
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mArcProgressBarPaint.AntiAlias = true;
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mArcProgressBarPaint.Color = mProgressBarColor;
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mArcProgressBarPaint.SetStyle(Paint.Style.Stroke);
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mArcProgressBarPaint.StrokeCap = Paint.Cap.Round;
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mArcProgressBarPaint.StrokeJoin = Paint.Join.Round;
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mArcProgressBarPaint.StrokeWidth = mProgressWidth;
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}
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/// <summary>
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/// 绘图的Paint
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/// </summary>
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private Paint mArcProgressBarPaint;
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//public Android.Graphics.Color mProgressBarColor = Android.Graphics.Color.White;
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public float StartAngle = 0.0f;
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protected override void OnDraw(Canvas canvas)
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{
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base.OnDraw(canvas);
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if (isShow && mProgress > 0)
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{
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canvas.Save();
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canvas.Rotate(-90, Width / 2, Height / 2);
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//float nowAngle = mProgress * 360.0f;
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//float endAngle;
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//if (nowAngle >= 90)
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//{
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// endAngle = nowAngle - 90;
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//}
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//else {
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// endAngle = (float)(StartAngle + mProgress * 360.0f);
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//}
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float endAngle = (float)(StartAngle + mProgress * 360.0f);
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canvas.DrawArc(mRect, StartAngle, endAngle, false, mArcProgressBarPaint);
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canvas.Restore();
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}
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}
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private RectF mRect;
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protected override void OnSizeChanged(int w, int h, int oldw, int oldh)
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{
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base.OnSizeChanged(w, h, oldw, oldh);
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RefreshRectF();
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}
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void RefreshRectF() {
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mRect = new RectF(this.Width / 2 - mRadius, this.Height / 2 - mRadius, this.Width / 2 + mRadius, this.Height / 2 + mRadius);
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}
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Android.Graphics.Color mProgressBarColor = Android.Graphics.Color.White;
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public Android.Graphics.Color ProgressBarColor
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{
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get
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{
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return mProgressBarColor;
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}
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set
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{
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mProgressBarColor = value;
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mArcProgressBarPaint.Color = mProgressBarColor;
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}
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}
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float mProgressWidth = DensityUtil.Dip2Px(3);
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public float ProgressWidth
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{
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get
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{
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return mProgressWidth;
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}
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set
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{
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mProgressWidth = value;
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mArcProgressBarPaint.StrokeWidth = mProgressWidth;
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}
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}
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float mRadius = DensityUtil.Dip2Px(15);
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public float Radius
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{
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get
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{
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return mRadius;
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}
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set
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{
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mRadius = value;
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RefreshRectF();
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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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PostInvalidate();
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}
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}
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float mProgress = 0.0f;
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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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PostInvalidate();
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}
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}
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}
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}
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}
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