Main.axml

<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:orientation="vertical"android:layout_width="fill_parent"android:layout_height="fill_parent"android:background="#fff"><ImageViewandroid:id="@+id/showPic"android:layout_width="400px"android:layout_height="400px" /> </LinearLayout>

MainActivity.cs

using System; using System.IO; using System.Net; using Android.App; using Android.Content; using Android.Graphics.Drawables; using Android.Runtime; using Android.Views; using Android.Widget; using Android.OS;namespace LoadPic {[Activity(Label = "LoadPic", MainLauncher = true)]public class MainActivity : Activity{private ImageView showPic;private string picPath = "http://www.kl.cc/images/about/tizi/jiangkun/inscription-jiangkun.jpg";ProgressDialog msgbox;protected override void OnCreate(Bundle bundle){base.OnCreate(bundle);SetContentView(Resource.Layout.Main);showPic = FindViewById<ImageView>(Resource.Id.showPic);msgbox = ProgressDialog.Show(this, "請稍等", "圖片正在加載中...", true, true); HttpWebRequest req = WebRequest.Create(picPath) as HttpWebRequest;req.Method = "Get";req.GetResponseAsync().ContinueWith(o =>{ HttpWebResponse resp = (HttpWebResponse)o.Result; this.RunOnUiThread(() =>{Drawable dr = new BitmapDrawable(resp.GetResponseStream());showPic.SetImageDrawable(dr);msgbox.Cancel();});});}} }

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轉載于:https://www.cnblogs.com/csdlee/p/3472580.html

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