C# 沙马林夏洛克
我想在我的申请表中列出一个清单。我用的是夏洛克的片段。 问题是,我没有收到任何错误,我的应用程序只是向我显示一个弹出窗口,并显示以下消息:“抱歉,很遗憾,应用程序名称已停止。” 我得到了我需要的所有数据,应用程序在返回rootView时停止 谢谢你的帮助 代码如下所示: 群碎片C# 沙马林夏洛克,c#,android,.net,actionbarsherlock,xamarin,C#,Android,.net,Actionbarsherlock,Xamarin,我想在我的申请表中列出一个清单。我用的是夏洛克的片段。 问题是,我没有收到任何错误,我的应用程序只是向我显示一个弹出窗口,并显示以下消息:“抱歉,很遗憾,应用程序名称已停止。” 我得到了我需要的所有数据,应用程序在返回rootView时停止 谢谢你的帮助 代码如下所示: 群碎片 using System; using System.Collections.Generic; using System.Linq; using System.Text; using Android.App; using
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Android.App;
using Android.Content;
using Android.OS;
using Android.Runtime;
using Android.Util;
using Android.Views;
using Android.Widget;
using Xamarin.ActionbarSherlockBinding.App;
namespace Community_Task_Manager
{
public class GroupsFragment : SherlockListFragment
{
List<TwoLineItem> list_items = new List<TwoLineItem> ();
public override View OnCreateView(LayoutInflater p_layout, ViewGroup p_view, Bundle p_bundle)
{
// Set view
var rootView = p_layout.Inflate(Resource.Layout.ListFragment, p_view, false);
// Get Data from Server
string jsonToSend;
DataBaseSendObject dbs = new DataBaseSendObject ();
dbs.CommandId = 4;
dbs.AddParameter ("@UserId", Localpreference.GetUserId (Application.Context), 2);
jsonToSend = dbs.JsonSerialization ();
object objRecieved;
objRecieved = DatabaseConnection.SendToServer(dbs);
// Bringing Items into the right Format
list_items = BM_JsonSerializer.GetListFromJson<TwoLineItem> (objRecieved.ToString ());
TwoLineItem createNewGroupe = new TwoLineItem ();
createNewGroupe.Id = 0;
createNewGroupe.FirstLine = "Create new Group";
createNewGroupe.SecondLine = "";
this.ListAdapter = new TwoLineItemAdapter(Activity, list_items);
//SetListShown (true);
// Adding data to the View with an Adapter
//ListView lst = rootView.FindViewById<ListView> (Resource.Id.list);
//lst.Adapter = new TwoLineItemAdapter(this.Activity, list_itemsss);
//lst.ItemClick += OnListItemClick; // to be defined
return rootView;
}
}
}
TwoLineItemAdapter:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Android.App;
using Android.Content;
using Android.OS;
using Android.Runtime;
using Android.Views;
using Android.Widget;
namespace Community_Task_Manager
{
class TwoLineItemAdapter : BaseAdapter<TwoLineItem>
{
List<TwoLineItem> items;
Activity context;
public TwoLineItemAdapter(Activity context, List<TwoLineItem> items) : base()
{
this.context = context;
this.items = items;
}
public override long GetItemId(int position)
{
return position;
}
public override TwoLineItem this[int position]
{
get { return items[position]; }
}
public override int Count
{
get { return items.Count; }
}
public override View GetView(int position, View convertView, ViewGroup parent)
{
var item = items[position];
View view = convertView;
if (view == null) // no view to re-use, create new
view = context.LayoutInflater.Inflate (Resource.Layout.TwoLineItem, null);
view.FindViewById<TextView>(Resource.Id.FirstLine).Text = item.FirstLine;
view.FindViewById<TextView>(Resource.Id.SecondLine).Text = item.SecondLine;
return view;
}
}
}
使用系统;
使用System.Collections.Generic;
使用System.Linq;
使用系统文本;
使用Android.App;
使用Android.Content;
使用Android.OS;
使用Android.Runtime;
使用Android.Views;
使用Android.Widget;
命名空间社区任务管理器
{
类TwoLineItemAdapter:BaseAdapter
{
清单项目;
活动语境;
公共TwoLineItemAdapter(活动上下文,列表项):base()
{
this.context=上下文;
这个项目=项目;
}
公共覆盖长GetItemId(int位置)
{
返回位置;
}
公共覆盖两行项目此[int位置]
{
获取{返回项目[位置];}
}
公共覆盖整数计数
{
获取{return items.Count;}
}
公共覆盖视图GetView(int位置、视图转换视图、视图组父视图)
{
var项目=项目[位置];
视图=转换视图;
如果(view==null)//没有要重用的视图,则创建新的
视图=context.LayoutInflater.Inflate(Resource.Layout.TwoLineItem,null);
view.findviewbyd(Resource.Id.FirstLine).Text=item.FirstLine;
view.findviewbyd(Resource.Id.SecondLine).Text=item.SecondLine;
返回视图;
}
}
}
Boot,在我所有的SherlockListFragment实现中,我都没有发现我必须膨胀列表视图本身。在我的所有实现中,我只是在OnActivityCreated方法中为列表定义适配器。简而言之,我的代码如下所示
public override void OnActivityCreated(Bundle savedInstanceState)
{
base.OnActivityCreated(savedInstanceState);
SetHasOptionsMenu(true);
if (_adapter == null)
_adapter = new SkillAdapter(Activity, MyApp, MyCharacter); //MyCustom Adapter class.
ListAdapter = _adapter;
ListView.OnItemLongClickListener = _adapter;
}
或
public override void OnActivityCreated(Bundle savedInstanceState){
创建的基本活动(savedInstanceState);
//从服务器获取数据
字符串jsonToSend;
DataBaseSendObject dbs=新的DataBaseSendObject();
dbs.CommandId=4;
dbs.AddParameter(“@UserId”,Localpreference.GetUserId(Application.Context),2);
jsonToSend=dbs.JsonSerialization();
对象对象已指定;
objRecieved=DatabaseConnection.SendToServer(dbs);
//将项目转换为正确的格式
list_items=BM_JsonSerializer.GetListFromJson(objRecieved.ToString());
TwoLineItem createNewGroupe=newTwoLineItem();
createNewGroupe.Id=0;
createNewGroupe.FirstLine=“创建新组”;
createNewGroupe.SecondLine=“”;
ListAdapter=新的TwoLineItemAdapter(活动,列表项);
//SetListShowed(真);
//使用适配器向视图中添加数据
//ListView lst=rootView.findviewbyd(Resource.Id.list);
//lst.Adapter=新的TwoLineItemAdapter(this.Activity,list_itemss);
//lst.ItemClick+=OnListItemClick;//待定义
}
因为这是一个特定的片段,我相信夏洛克在幕后做了其他的事情。您只需定义适配器,然后将ListAdapter设置为已定义的适配器。希望这有帮助。你能调试/添加断点吗?我可以,它只在Groupsfragment上的返回根视图上停止,我在xamarin studio中没有收到错误,只是在我的手机上弹出消息“抱歉,很遗憾,应用程序名称已停止。你能在adb日志猫中看到什么吗?你是在调试控制台中看到的吗?”很抱歉“留言?是的,谢谢。我找到了一个没有充气的解决方案,但我还没来得及发布。我稍后会尝试发布我的解决方案,并将你的和我的进行比较。”。
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Android.App;
using Android.Content;
using Android.OS;
using Android.Runtime;
using Android.Views;
using Android.Widget;
namespace Community_Task_Manager
{
class TwoLineItem
{
public int Id { get; set; }
public string FirstLine { get; set; }
public string SecondLine { get; set; }
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Android.App;
using Android.Content;
using Android.OS;
using Android.Runtime;
using Android.Views;
using Android.Widget;
namespace Community_Task_Manager
{
class TwoLineItemAdapter : BaseAdapter<TwoLineItem>
{
List<TwoLineItem> items;
Activity context;
public TwoLineItemAdapter(Activity context, List<TwoLineItem> items) : base()
{
this.context = context;
this.items = items;
}
public override long GetItemId(int position)
{
return position;
}
public override TwoLineItem this[int position]
{
get { return items[position]; }
}
public override int Count
{
get { return items.Count; }
}
public override View GetView(int position, View convertView, ViewGroup parent)
{
var item = items[position];
View view = convertView;
if (view == null) // no view to re-use, create new
view = context.LayoutInflater.Inflate (Resource.Layout.TwoLineItem, null);
view.FindViewById<TextView>(Resource.Id.FirstLine).Text = item.FirstLine;
view.FindViewById<TextView>(Resource.Id.SecondLine).Text = item.SecondLine;
return view;
}
}
}
public override void OnActivityCreated(Bundle savedInstanceState)
{
base.OnActivityCreated(savedInstanceState);
SetHasOptionsMenu(true);
if (_adapter == null)
_adapter = new SkillAdapter(Activity, MyApp, MyCharacter); //MyCustom Adapter class.
ListAdapter = _adapter;
ListView.OnItemLongClickListener = _adapter;
}
public override void OnActivityCreated(Bundle savedInstanceState){
base.OnActivityCreated(savedInstanceState);
// Get Data from Server
string jsonToSend;
DataBaseSendObject dbs = new DataBaseSendObject ();
dbs.CommandId = 4;
dbs.AddParameter ("@UserId", Localpreference.GetUserId (Application.Context), 2);
jsonToSend = dbs.JsonSerialization ();
object objRecieved;
objRecieved = DatabaseConnection.SendToServer(dbs);
// Bringing Items into the right Format
list_items = BM_JsonSerializer.GetListFromJson<TwoLineItem> (objRecieved.ToString ());
TwoLineItem createNewGroupe = new TwoLineItem ();
createNewGroupe.Id = 0;
createNewGroupe.FirstLine = "Create new Group";
createNewGroupe.SecondLine = "";
ListAdapter = new TwoLineItemAdapter(Activity, list_items);
//SetListShown (true);
// Adding data to the View with an Adapter
//ListView lst = rootView.FindViewById<ListView> (Resource.Id.list);
//lst.Adapter = new TwoLineItemAdapter(this.Activity, list_itemsss);
//lst.ItemClick += OnListItemClick; // to be defined
}