[英]How to set visibility for ProgressBar in android MvvmCross Xamarin
I am trying to set visibility
for ProgressBar
as GONE
. 我试图将ProgressBar
visibility
设置为GONE
。
In XML 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" />
In ViewModel 在 ViewModel中
private bool _progressVisibility;
public bool ProgressVisibility
{
get { return _progressVisibility; }
set { _progressVisibility = value; RaisePropertyChanged(() => ProgressVisibility); }
}
I am setting ProgressVisibility = false;
我设置ProgressVisibility = false;
What is happening : The view is still visible and not getting hidden. 发生了什么 :视图仍然可见并且没有被隐藏。 How to resolve this. 如何解决这个问题。
You need to create a custom value converter for Visibility
or you can use Visibility plugin 您需要为Visibility
创建一个自定义值转换器,也可以使用可见性插件
public class MyVisibilityValueConverter : MvxBaseVisibilityValueConverter<bool>
{
protected override MvxVisibility Convert(string value, object parameter, CultureInfo culture)
{
return (value ==true) ? MvxVisibility.Visible : MvxVisibility.Collapsed;
}
}
xml: xml:
local:MvxBind="Visibility ProgressVisibility,Converter=MyVisibility
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