我正在尝试设置一个能够在ListView的ItemLongClick上显示的DialogFragment Layout。对于listview中的每个项，DialogFragment必须是相同的布局。我也在使用Xamarin和C＃
调用对话框片段的代码块。此代码位于listview_ItemLongClick（对象发件人，AdapterView.ItemLongClickEventArgs e）内。
到目前为止，我已经尝试过：
Android.App.FragmentTransaction transaction_prev = FragmentManager.BeginTransaction().AddToBackStack(null);
dialog_preview_busn previewBusn = new dialog_preview_busn(gName, gAddress, gZip, gNumber, gEmail, gWebsite, gHours, gImage);
previewBusn.Show(transaction_prev, "Dialog Preview Business");
此外，我还尝试使用Xamarin文档来设置片段
当我退出DialogFragment并尝试重新打开它时（在相同的项目上和不同的项目上），这也是我得到的错误
Android.Views.InflateException: Binary XML file line #1: Error inflating class fragment
给我错误的行是
var view = inflater.Inflate(Resource.Layout.dialog_preview_busn, container, false);
这是XML文件
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:background="@drawable/dialogLayout"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
android:minWidth="300dp"
android:minHeight="200dp"
android:weightSum="100"
android:gravity="center">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="15"
android:id="@+id/relativeLayout2"
android:minWidth="25px"
android:minHeight="25px">
<ProgressBar
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:layout_marginBottom="5dp"
android:indeterminate="true"
android:background="@drawable/progressBarDesign"
android:id="@+id/fragProgress"
android:visibility="invisible" />
</RelativeLayout>
<TextView
android:text=""
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="10"
android:gravity="center"
android:textSize="20sp"
android:id="@+id/txtName" />
<LinearLayout
android:background="@drawable/dialogLayout"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="5">
<LinearLayout
android:background="@drawable/dialogLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:weightSum="100">
<TextView
android:text="Address: "
android:layout_width="0dp"
android:layout_weight="50"
android:layout_height="fill_parent"
android:gravity="right"
android:textSize="15sp"
android:id="@+id/labAddess" />
<TextView
android:text=""
android:layout_width="0dp"
android:layout_weight="50"
android:layout_height="fill_parent"
android:gravity="left"
android:textSize="15sp"
android:id="@+id/txtAddress"
android:layout_below="@id/txtName" />
</LinearLayout>
</LinearLayout>
<LinearLayout
android:background="@drawable/dialogLayout"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="5">
<LinearLayout
android:background="@drawable/dialogLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:weightSum="100">
<TextView
android:text="Number: "
android:layout_width="0dp"
android:layout_weight="50"
android:layout_height="fill_parent"
android:gravity="right"
android:textSize="15sp"
android:id="@+id/labNumber" />
<TextView
android:text=""
android:layout_width="0dp"
android:layout_weight="50"
android:layout_height="fill_parent"
android:gravity="left"
android:textSize="15sp"
android:id="@+id/txtNumber"
android:layout_below="@id/txtAddress" />
</LinearLayout>
</LinearLayout>
<LinearLayout
android:background="@drawable/dialogLayout"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="5">
<LinearLayout
android:background="@drawable/dialogLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:weightSum="100">
<TextView
android:text="Email: "
android:layout_width="0dp"
android:layout_weight="50"
android:layout_height="fill_parent"
android:gravity="right"
android:textSize="15sp"
android:id="@+id/labEmail" />
<TextView
android:text=""
android:layout_width="0dp"
android:layout_weight="50"
android:layout_height="fill_parent"
android:gravity="left"
android:textSize="15sp"
android:id="@+id/txtEmail"
android:layout_below="@id/txtNumber" />
</LinearLayout>
</LinearLayout>
<LinearLayout
android:background="@drawable/dialogLayout"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="5">
<LinearLayout
android:background="@drawable/dialogLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:weightSum="100">
<TextView
android:text="Website: "
android:layout_width="0dp"
android:layout_weight="50"
android:layout_height="fill_parent"
android:gravity="right"
android:textSize="15sp"
android:id="@+id/labEmail" />
<TextView
android:text=""
android:layout_width="0dp"
android:layout_weight="50"
android:layout_height="fill_parent"
android:gravity="left"
android:textSize="15sp"
android:id="@+id/txtWebsite"
android:layout_below="@id/txtEmail" />
</LinearLayout>
</LinearLayout>
<TextView
android:text="Hours"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="5"
android:gravity="center"
android:textSize="15sp"
android:id="@+id/labHours"
android:layout_below="@id/txtWebsite" />
<TextView
android:text=""
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="5"
android:gravity="center"
android:textSize="15sp"
android:id="@+id/txtHours"
android:layout_below="@id/labEmail" />
<ImageView
android:layout_width="30sp"
android:layout_height="30sp"
android:paddingTop="6sp"
android:layout_gravity="center"
android:background="#4A115C"
android:src="@drawable/menu_down_arrow"
android:id="@+id/downArrow"/>
<LinearLayout
android:background="@drawable/dialogLayout"
android:id="@+id/mapLayout"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="5">
<fragment
android:id="@+id/map"
android:layout_width="match_parent"
android:layout_height="200sp"
android:layout_marginLeft="10sp"
android:layout_marginRight="10sp"
android:layout_marginTop="15sp"
android:layout_marginBottom="10sp"
android:name="com.google.android.gms.maps.MapFragment" />
</LinearLayout>
</LinearLayout>
对于dialog_prev_busn.cs：
using Android.App;
using Android.OS;
using Android.Views;
using Android.Widget;
using Android.Graphics;
using Android.Gms.Maps;
using System;
using Android.Gms.Maps.Model;
namespace My_Town_App.Droid
{
class dialog_preview_busn : DialogFragment
{
public string gName, gAddress, gNumber, gEmail, gWebsite, gHours, gImage;
public int gZip;
private GoogleMap gMap;
public dialog_preview_busn(string Name, string Address, int Zip, string Number, string Email, string Website, string Hours, string Image)
{
gName = Name;
gAddress = Address;
gZip = Zip;
gNumber = Number;
gEmail = Email;
gWebsite = Website;
gHours = Hours;
gImage = Image;
System.Diagnostics.Debug.Write("-----------------");
System.Diagnostics.Debug.Write("dialog_preview_busn");
System.Diagnostics.Debug.Write("-----------------");
System.Diagnostics.Debug.Write("Name: " + Name + " Address: " + Address + " Zip: " + Zip + " Number: " + Number);
System.Diagnostics.Debug.Write("Email: " + Email + " Website: " + Website + " Hours: " + Hours + " Image: " + Image);
//gOnLogInComplete.Invoke(this, new OnLogInEventArgs(gtxtEmail.Text, gtxtPassword.Text));
//PassedParams.Invoke(this, new PassedParams(user, pass));
}
//----------------------------------------
// OnCreate Activity
//----------------------------------------
public override void OnActivityCreated(Bundle savedInstanceState)
{
Dialog.Window.RequestFeature(WindowFeatures.NoTitle); //Set the Title Bar to invisable
base.OnActivityCreated(savedInstanceState);
TextView txtName = View.FindViewById<TextView>(Resource.Id.txtName);
TextView txtAdress = View.FindViewById<TextView>(Resource.Id.txtAddress);
TextView txtNumber = View.FindViewById<TextView>(Resource.Id.txtNumber);
TextView txtEmail = View.FindViewById<TextView>(Resource.Id.txtEmail);
TextView txtWebsite = View.FindViewById<TextView>(Resource.Id.txtWebsite);
TextView txtHours = View.FindViewById<TextView>(Resource.Id.txtHours);
TextView labHours = View.FindViewById<TextView>(Resource.Id.labHours);
ImageView downArrow = View.FindViewById<ImageView>(Resource.Id.downArrow);
LinearLayout mapLayout = View.FindViewById<LinearLayout>(Resource.Id.mapLayout);
mapLayout.Visibility = ViewStates.Gone;
SetUpMap();
downArrow.Click += delegate
{
System.Diagnostics.Debug.Write("down arrow is working");
if (mapLayout.Visibility == ViewStates.Visible)
{
downArrow.SetImageResource(Resource.Drawable.menu_down_arrow);
mapLayout.Visibility = ViewStates.Gone;
}
else if (mapLayout.Visibility == ViewStates.Gone)
{
downArrow.SetImageResource(Resource.Drawable.menu_up_arrow);
mapLayout.Visibility = ViewStates.Visible;
}
};
txtName.Text = gName;
txtName.PaintFlags = PaintFlags.UnderlineText;
txtAdress.Text = (gAddress + " " + gZip).ToString();
txtNumber.Text = gNumber;
txtEmail.Text = gEmail;
txtWebsite.Text = gWebsite;
string[] aryHours = gHours.Split(',');
foreach (string s in aryHours)
{
txtHours.Text += (s + " ").ToString();
}
labHours.PaintFlags = PaintFlags.UnderlineText;
Dialog.Window.Attributes.WindowAnimations = Resource.Style.dialog_animation; //set the animation
}
//----------------------------------------
// OnCreate View
//----------------------------------------
public override View OnCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
{
base.OnCreateView(inflater, container, savedInstanceState);
var view = inflater.Inflate(Resource.Layout.dialog_preview_busn, container, false);
return view;
}
private void SetUpMap()
{
if (gMap == null)
{
FragmentManager.FindFragmentById<MapFragment>(Resource.Id.map);
}
LatLng location = new LatLng(50.897778, 3.013333);
CameraPosition.Builder builder = CameraPosition.InvokeBuilder();
builder.Target(location);
builder.Zoom(18);
builder.Bearing(155);
builder.Tilt(65);
CameraPosition cameraPosition = builder.Build();
CameraUpdate cameraUpdate = CameraUpdateFactory.NewCameraPosition(cameraPosition);
MapFragment mapFrag = (MapFragment)FragmentManager.FindFragmentById<MapFragment>(Resource.Id.map);
GoogleMap map = mapFrag.Map;
if (map != null)
{
map.MoveCamera(cameraUpdate);
}
}
public void OnMapReady(GoogleMap googleMap)
{
gMap = googleMap;
}
}
}
提前感谢您的帮助！
答案 0 :(得分：0)
嘿大家为此我在Fragments xml中有一个MapFragment，当重新打开dialogFragment时会抛出一个错误，因为Fragment中已经存在一个具有相同ID的MapFragment。所以我从Fragment中删除了MapFragment。所以现在它固定了。