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[英]Xamarin with Visual Studio: Resource.Id does not contain a definition for “…”
[英]Xamarin with vs : resource.Id does not contain a definition for …
using Android.App;
using Android.Widget;
using Android.OS;
using Android.Media;
namespace Moosic
{
[Activity(Label = "Moosic", MainLauncher = true, Icon = "@drawable/icon1.png")]
public class MainActivity : Activity
{
MediaPlayer player;
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
player = MediaPlayer.Create(this, Resource.Raw.again);
Button button1 = FindViewById<Button>(Resource.Id.playButton);
button1.Click += (sender, e) =>
{
player.Start();
};
}
}
}
错误CS0117'Resource.Id'不包含'playButton'的定义Moosic c:\\ users \\ Farorex \\ source \\ repos \\ Moosic \\ Moosic \\ MainActivity.cs 25有效
创建一个简单的媒体播放器,试图重建解决方案并清理解决方案,但似乎不起作用
您如何设置该按钮的ID? 我见过的人常犯的一个错误是使用@id而不是@ + id
在活动布局中,您应该具有:
<Button
android:id="@+id/playButton"
...
/>
否则,它将不会在Resource.designer.cs中创建
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