如何在Android MvvmCross Xamarin中设置ProgressBar的可见性 [英] How to set visibility for ProgressBar in android MvvmCross Xamarin
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问题描述
我正在尝试将ProgressBar
的visibility
设置为GONE
.
I am trying to set visibility
for ProgressBar
as GONE
.
在XML中
<?xml version="1.0" encoding="utf-8"?>
<ProgressBar xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:local="http://schemas.android.com/apk/res-auto"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
local:MvxBind="Visibility Visibility(ProgressVisibility)"
android:background="@drawable/sel_custom_progress" />
在中 ViewModel
private bool _progressVisibility;
public bool ProgressVisibility
{
get { return _progressVisibility; }
set { _progressVisibility = value; RaisePropertyChanged(() => ProgressVisibility); }
}
我正在设置ProgressVisibility = false;
正在发生的事情:该视图仍然可见并且没有被隐藏.如何解决这个问题.
What is happening: The view is still visible and not getting hidden. How to resolve this.
推荐答案
You need to create a custom value converter for Visibility
or you can use Visibility plugin
public class MyVisibilityValueConverter : MvxBaseVisibilityValueConverter<bool>
{
protected override MvxVisibility Convert(string value, object parameter, CultureInfo culture)
{
return (value ==true) ? MvxVisibility.Visible : MvxVisibility.Collapsed;
}
}
xml:
local:MvxBind="Visibility ProgressVisibility,Converter=MyVisibility
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