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我使用MvvmCross開發了Android應用程序。有一部分應該顯示ImageView或MvxImageView。當我在調試模式下測試它工作正常,但是當我將其更改爲釋放模式時,可見性轉換器似乎停止工作。所有其他轉換器都按照它們的方式工作,只有那些轉換器停止工作。Custom Visibility Converter - Android - Release(MvvmCross)
從我的XML格式的簡歷:
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:orientation="vertical">
<ImageView
android:layout_width="120dp"
android:layout_height="120dp"
android:scaleType="fitCenter"
local:MvxBind="Visibility MyObject, Converter=ByteInverseVisibility; AssetImagePath MyObject, Converter=AttachmentTypeToSource" />
<Mvx.MvxImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:maxHeight="150dp"
android:adjustViewBounds="true"
local:MvxBind="Visibility MyObject, Converter=ByteVisibility; Bitmap MyObject.Attachment, Converter=InMemoryImage" />
</LinearLayout>
轉換器:
public class ByteVisibilityConverter : MvxBaseVisibilityValueConverter<MyObjectClass>
{
protected override MvxVisibility Convert(MyObjectClass value, object parameter, CultureInfo culture)
{
if (value.AttachType == AttachmentType.Photo && value.Attachment != null)
{
return MvxVisibility.Visible;
}
return MvxVisibility.Collapsed;
}
}
public class ByteInverseVisibilityConverter : MvxBaseVisibilityValueConverter<MyObjectClass>
{
protected override MvxVisibility Convert(MyObjectClassvalue, object parameter, CultureInfo culture)
{
if (value.AttachType != AttachmentType.Photo || value.Attachment == null)
{
return MvxVisibility.Visible;
}
return MvxVisibility.Collapsed;
}
}
嗨我有一個類似的問題,不幸的是這似乎並不適用於我或我做錯了。你能幫我解決嗎?這裏是我的問題的鏈接http://stackoverflow.com/questions/27252009/mvvmcross-android-linking-issue-on-visibility-converter – rideintothesun 2014-12-02 20:01:10
在我的情況下,對於TextView,它沒有工作,直到我加入這個: text.Visibility = ViewStates.Visible; text.Visibility = text.Visibility + 1; – xleon 2015-04-19 18:49:11