using System;
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using Android.Content;
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using Android.Runtime;
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using Android.Widget;
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using Android.Util;
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using Android.Views;
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using Android.Graphics.Drawables;
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namespace Shared
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{
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public class Loading : View
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{
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public bool CurStatus = false;
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public Loading ()
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{
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AndroidView = new MyLoading (Application.Activity);
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CurStatus = false;
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}
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/// <summary>
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/// Refresh this instance.
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/// </summary>
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public override void Refresh ()
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{
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base.Refresh ();
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Hide ();
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}
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/// <summary>
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/// Hide this instance.
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/// </summary>
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public void Hide ()
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{
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(AndroidView as MyLoading).textView.Text = "Loading......";
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AndroidView.Visibility = Android.Views.ViewStates.Gone;
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CurStatus = false;
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}
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/// <summary>
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/// Start this instance.
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/// </summary>
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public void Start ()
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{
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(AndroidView as MyLoading).textView.Text = "Loading......";
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AndroidView.BringToFront ();
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AndroidView.Visibility = ViewStates.Visible;
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CurStatus = true;
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}
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/// <summary>
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/// Start this instance.
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/// </summary>
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public void Start (string s)
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{
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(AndroidView as MyLoading).textView.Text = s;
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AndroidView.BringToFront ();
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AndroidView.Visibility = ViewStates.Visible;
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}
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public string Text {
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get {
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return (AndroidView as MyLoading).textView.Text;
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}
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set {
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(AndroidView as MyLoading).textView.Text = value;
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}
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}
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public virtual uint LodingBackgroundColor {
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get {
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return (AndroidView as MyLoading).LodingBackgroundColor;
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}
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set {
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(AndroidView as MyLoading).LodingBackgroundColor = value;
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}
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}
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}
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class MiddleLinearLayout : LinearLayout
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{
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public MiddleLinearLayout (Context context)
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: base (context)
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{
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}
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int mMaxWidth {
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get {
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var metric = new DisplayMetrics ();
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Application.Activity.WindowManager.DefaultDisplay.GetRealMetrics (metric);
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return metric.WidthPixels * 3 / 4;
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}
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}
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protected override void OnMeasure (int widthMeasureSpec, int heightMeasureSpec)
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{
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var widthMode = MeasureSpec.GetMode (widthMeasureSpec);
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var widthSize = MeasureSpec.GetSize (widthMeasureSpec);
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if (widthMode == MeasureSpecMode.Exactly) {
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widthSize = widthSize <= mMaxWidth ? widthSize
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: (int)mMaxWidth;
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}
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if (widthMode == MeasureSpecMode.Unspecified) {
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widthSize = widthSize <= mMaxWidth ? widthSize
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: (int)mMaxWidth;
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}
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if (widthMode == MeasureSpecMode.AtMost) {
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widthSize = widthSize <= mMaxWidth ? widthSize
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: (int)mMaxWidth;
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}
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var maxWidthMeasureSpec = MeasureSpec.MakeMeasureSpec (widthSize,
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widthMode);
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base.OnMeasure (maxWidthMeasureSpec, heightMeasureSpec);
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}
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}
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class MyLoading : Android.Widget.LinearLayout
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{
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ProgressBar Progress;
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public Android.Widget.TextView textView;
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LinearLayout tempLinearLayout;
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public MyLoading (Context context)
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: base (context)
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{
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//Progress = new ProgressBar(context);
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//SetBackgroundColor(Android.Graphics.Color.Argb(50, 0x32, 0x32, 0x32));
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//SetGravity(GravityFlags.Center);
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//tempLinearLayout = new LinearLayout(context) { Orientation = Orientation.Vertical };
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//tempLinearLayout.SetGravity(GravityFlags.CenterHorizontal);
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//tempLinearLayout.AddView(Progress, new Android.Views.ViewGroup.LayoutParams(Android.Views.ViewGroup.LayoutParams.WrapContent, Android.Views.ViewGroup.LayoutParams.WrapContent));
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//textView = new Android.Widget.TextView(context);
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//textView.Text = "Please wait....";
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//tempLinearLayout.AddView(textView, new Android.Views.ViewGroup.LayoutParams(Android.Views.ViewGroup.LayoutParams.WrapContent, Android.Views.ViewGroup.LayoutParams.WrapContent));
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//AddView(tempLinearLayout, new Android.Views.ViewGroup.LayoutParams(Android.Views.ViewGroup.LayoutParams.WrapContent, Android.Views.ViewGroup.LayoutParams.WrapContent));
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//tempLinearLayout.SetPadding(20, 20, 20, 20);
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Progress = new ProgressBar (context);
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SetBackgroundColor (Android.Graphics.Color.Argb (50, 0x32, 0x32, 0x32));
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SetGravity (GravityFlags.Center);
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tempLinearLayout = new MiddleLinearLayout (context) { Orientation = Orientation.Vertical };
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tempLinearLayout.SetGravity (GravityFlags.CenterHorizontal);
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tempLinearLayout.AddView (Progress, new Android.Views.ViewGroup.LayoutParams (Android.Views.ViewGroup.LayoutParams.WrapContent, Android.Views.ViewGroup.LayoutParams.WrapContent));
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textView = new Android.Widget.TextView (context);
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textView.Text = "Loading......";
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tempLinearLayout.AddView (textView, new Android.Views.ViewGroup.LayoutParams (Android.Views.ViewGroup.LayoutParams.WrapContent, Android.Views.ViewGroup.LayoutParams.WrapContent));
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AddView (tempLinearLayout, new Android.Views.ViewGroup.LayoutParams (Android.Views.ViewGroup.LayoutParams.WrapContent, Android.Views.ViewGroup.LayoutParams.WrapContent));
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tempLinearLayout.SetPadding (20, 20, 20, 20);
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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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get {
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return loadingBackgroundColor;
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}
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set {
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loadingBackgroundColor = value;
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if (this.GetType () != typeof (ImageView)) {
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if (tempLinearLayout.Background == null || tempLinearLayout.Background.GetType () != typeof (GradientDrawable)) {
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tempLinearLayout.Background = new Android.Graphics.Drawables.GradientDrawable ();
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}
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var gradientDrawable = (GradientDrawable)tempLinearLayout.Background;
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gradientDrawable.SetCornerRadius (DensityUtil.Dip2Px (6));
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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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gradientDrawable.SetColor (Android.Graphics.Color.Argb (a, r, g, b).ToArgb ());
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}
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}
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}
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/// <summary>
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/// 点击事件
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/// </summary>
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/// <returns>The touch event.</returns>
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/// <param name="e">E.</param>
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public override bool OnTouchEvent (Android.Views.MotionEvent e)
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{
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//事件自己处理
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return true;
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}
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}
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}
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