我有一個Android應用程序有一個HorizontalScrollView嵌入兩個RecyclerViews。頂部RecyclerView有類別,當您選擇一個類別時,底部的RecyclerView會列出該類別中的項目。爲了檢測選定的類別,我嘗試使用Touch事件。當EditText獲取觸摸事件時,該行被選中。這部分工作很好。問題是我還需要能夠編輯類別列表中的某些字段。如果我在EditText上綁定Touch事件,則EditText在您點擊它時不會獲得焦點。我嘗試使用FocusChanged事件,但有時在水平滾動時,頂部RecyclerView的焦點被設置爲第一個類別的EditText,從而導致所選類別發生更改。有沒有辦法在MvvmCross中綁定Touch事件並仍然讓它導致綁定控件獲得焦點?MvvmCross綁定觸摸事件防止重點MvxItemTemplate
這是我的項目模板的佈局:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:local="http://schemas.android.com/apk/res-auto"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingTop="2dp"
android:paddingBottom="2dp"
local:MvxBind="This View">
<TextView
android:layout_width="300dp"
android:layout_height="wrap_content"
style="@style/TableEditText"
local:MvxBind="Text Name; LongClick Name_LongClick; Touch Touch"
android:id="@+id/txtName" />
<EditText
android:layout_width="110dp"
android:layout_height="wrap_content"
style="@style/TableEditText"
android:inputType="numberDecimal|numberSigned"
android:selectAllOnFocus="true"
local:MvxBind="Text Cubes, Converter=FloatToStringConverter; Touch Touch"
android:id="@+id/txtCubes" />
<EditText
android:layout_width="110dp"
android:layout_height="wrap_content"
style="@style/TableEditText"
android:inputType="numberDecimal|numberSigned"
android:selectAllOnFocus="true"
local:MvxBind="Text Weight, Converter=IntToStringConverter; Touch Touch"
android:id="@+id/txtWeight" />
<EditText
android:layout_width="500dp"
android:layout_height="wrap_content"
style="@style/TableEditText"
android:inputType="textCapSentences"
local:MvxBind="Text Note; Touch Touch"
android:id="@+id/txtNote" />
<ImageButton
android:src="@drawable/ic_action_delete"
android:scaleType="fitCenter"
android:padding="3dp"
android:layout_width="40dp"
android:layout_height="40dp"
android:layout_marginLeft="5dp"
android:layout_marginRight="5dp"
android:layout_gravity="center"
local:MvxBind="Click DeleteClicked"
android:id="@+id/btnDeleteCategory" />
</LinearLayout>
這是我的觸摸事件掛鉤:
public MvxCommand Touch
{
get
{
return new MvxCommand(() =>
{
SurveyView act = (Mvx.Resolve<IMvxAndroidCurrentTopActivity>().Activity as SurveyView) ?? null;
if (act != null)
{
act.SetCurrCategory(this);
}
});
}
}
這是我定製的觸摸事件綁定:
public class MvxViewTouchBinding
: MvxAndroidTargetBinding
{
private readonly View _view;
private IMvxCommand _command;
public MvxViewTouchBinding(View view) : base(view)
{
_view = view;
_view.Touch += ViewOnTouch;
}
private void ViewOnTouch(object sender, View.TouchEventArgs eventArgs)
{
if (_command != null)
{
_command.Execute();
}
}
public override void SetValue(object value)
{
_command = (IMvxCommand)value;
}
protected override void Dispose(bool isDisposing)
{
if (isDisposing)
{
_view.Touch -= ViewOnTouch;
}
base.Dispose(isDisposing);
}
protected override void SetValueImpl(object target, object value)
{
}
public override Type TargetType
{
get { return typeof(IMvxCommand); }
}
public override MvxBindingMode DefaultMode
{
get { return MvxBindingMode.OneWay; }
}
}
這是在Setup.cs中
registry.RegisterCustomBindingFactory<View>("Touch",
view => new MvxViewTouchBinding(view));
試試這個 - https://stackoverflow.com/a/36360795/2754727 – pnavk
嘗試設置'eventArgs.Handled = false;' – Cheesebaron
@Cheesebaron這樣做了!感謝奶酪! –