Android Mono .
MyFirstMonoAndroidApplication.
: Assets Resources Activity1.
Assets . .
. Drawable , , . Layout xml . Values , .
, , AndroidResource.
Activity1. , Activity. Activity? Activity , . Activity (xml ).
SetContentView(Resource.Layout.Main);
Activity.
Activity.
, Activity.
:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical">
<Button
android:id="@+id/FirstExample"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="First Example"></Button>
<Button
android:id="@+id/SecondExample"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Second Example"></Button>
</LinearLayout>
* This source code was highlighted with Source Code Highlighter.[Activity(Label = "My first mono android activity", MainLauncher = true, Icon = "@drawable/icon")]
public class MyMainActivity : Activity
{
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
SetContentView(Resource.Layout.Main);
Button firstExample = FindViewById<Button>(Resource.Id.FirstExample);
firstExample.Click += firstExample_Click;
Button secondExample = FindViewById<Button>(Resource.Id.SecondExample);
secondExample.Click += secondExample_Click;
}
void firstExample_Click(object sender, EventArgs e)
{
Intent titlesIntent = new Intent(this, typeof(TitlesListActivity));
StartActivity(titlesIntent);
}
void secondExample_Click(object sender, EventArgs e)
{
Intent friendlyListIntent = new Intent(this, typeof(MoreFriendlyRssFeedActivity));
StartActivity(friendlyListIntent);
}
}
* This source code was highlighted with Source Code Highlighter.public class RssReader
{
private const string _title = "title";
private const string _link = "link";
private const string _item = "item";
private const string _channel = "channel";
private static Func<XElement, RssListItem> GetTitlesAndLinksFunc = (x => new RssListItem { Title = x.Element(_title).Value, Link = x.Element(_link).Value });
public static IList<RssListItem> GetRssListItems(params string[] rssUris)
{
List<RssListItem> fullList = new List<RssListItem>();
IEnumerable<XElement> itemsFromConcreteIteration;
foreach (string rssUri in rssUris)
{
itemsFromConcreteIteration = GetRssFeedChannel(rssUri).Elements(_item);
fullList.AddRange(itemsFromConcreteIteration.Select(GetTitlesAndLinksFunc));
}
return fullList;
}
public static IEnumerable<string> GetTitles(string rssUri)
{
IEnumerable<XElement> items = GetRssFeedChannel(rssUri).Elements(_item);
return items.Select(x => x.Element(_title).Value);
}
public static XElement GetRssFeedChannel(string rssUri)
{
XElement feed = XElement.Load(rssUri);
return feed.Element(_channel);
}
}
public class RssListItem
{
public string Title { get; set; }
public string Link { get; set; }
}
* This source code was highlighted with Source Code Highlighter. [Activity(Label = "List")]
public class TitlesListActivity : ListActivity
{
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
var titles = RssReader.GetTitles("http://habrahabr.ru/rss/blogs/mono/");
ListAdapter = new ArrayAdapter<string>(this, Android.Resource.Layout.SimpleListItem1, titles.ToArray());
}
}
* This source code was highlighted with Source Code Highlighter.<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@android:id/text1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceLarge"
android:gravity="center_vertical"
android:paddingLeft="6dip"
android:minHeight="?android:attr/listPreferredItemHeight"
/>
* This source code was highlighted with Source Code Highlighter.
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="ApplicationName">MyFirstMonoAndroidApplication</string>
<string-array name="frameworks">
<item>Mono</item>
<item>.Net</item>
<item>Mono and .Net</item>
</string-array>
</resources>
* This source code was highlighted with Source Code Highlighter.<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical">
<Spinner
android:id="@+id/FrameworkSelector"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
</Spinner>
<ListView
android:id="@+id/RssEntries"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
</ListView>
</LinearLayout>
* This source code was highlighted with Source Code Highlighter.<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:padding="6dip">
<ImageButton
android:id="@+id/LogoButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/mono">
</ImageButton>
<TextView
android:id="@+id/Title"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
</TextView>
</LinearLayout>
* This source code was highlighted with Source Code Highlighter. [Activity(Label = "Friendly List")]
public class MoreFriendlyRssFeedActivity : Activity
{
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
SetContentView(Resource.Layout.MoreFriendlyRssFeed);
Spinner spinner = FindViewById<Spinner>(Resource.Id.FrameworkSelector);
spinner.ItemSelected += spinner_ItemSelected;
ArrayAdapter adapter = ArrayAdapter.CreateFromResource(this, Resource.Array.frameworks, Android.Resource.Layout.SimpleSpinnerItem);
adapter.SetDropDownViewResource(
Android.Resource.Layout.SimpleSpinnerDropDownItem);
spinner.Adapter = adapter;
}
void spinner_ItemSelected(object sender, ItemEventArgs e)
{}
}
* This source code was highlighted with Source Code Highlighter.<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@android:id/text1"
style="?android:attr/spinnerItemStyle"
android:singleLine="true"
android:layout_width="fill_parent"
android:layout_height="wrap_content" />
* This source code was highlighted with Source Code Highlighter.public class RssListItemAdapter: ArrayAdapter<RssListItem>
{
private IList <RssListItem> Items;
public RssListItemAdapter(Context context, int textViewResourceId, IList<RssListItem> items)
: base(context, textViewResourceId, items)
{
Items = items;
}
public override View GetView(int position, View convertView, ViewGroup parent)
{
View view = convertView;
if (view == null)
{
LayoutInflater inflater = (LayoutInflater)Context.GetSystemService(Context.LayoutInflaterService);
// , .
view = inflater.Inflate(Resource.Layout.RssRow, null);
}
//
RssListItem item = Items[position];
//
//
ImageButton btnLogo = (ImageButton)view.FindViewById(Resource.Id.LogoButton);
btnLogo.Click += delegate
{
Intent browserIntent = new Intent("android.intent.action.VIEW", Android.Net.Uri.Parse(item.Link));
Context.StartActivity(browserIntent);
};
// ( )
btnLogo.SetImageResource(item.Title.StartsWith("Mono") ? Resource.Drawable.mono : Resource.Drawable.net);
//
TextView txtTitle = (TextView)view.FindViewById(Resource.Id.Title);
txtTitle.Text = item.Title;
//
return view;
}
}
* This source code was highlighted with Source Code Highlighter. void spinner_ItemSelected(object sender, ItemEventArgs e)
{
ListView view = FindViewById<ListView>(Resource.Id.RssEntries);
switch (e.Position)
{
case 0:
view.Adapter = new RssListItemAdapter(this, Resource.Layout.RssRow, RssReader.GetRssListItems("http://habrahabr.ru/rss/blogs/mono/"));
break;
case 1:
view.Adapter = new RssListItemAdapter(this, Resource.Layout.RssRow, RssReader.GetRssListItems("http://habrahabr.ru/rss/blogs/net/"));
break;
case 2:
view.Adapter = new RssListItemAdapter(this, Resource.Layout.RssRow, RssReader.GetRssListItems("http://habrahabr.ru/rss/blogs/mono/", "http://habrahabr.ru/rss/blogs/net/"));
break;
}
}
* This source code was highlighted with Source Code Highlighter.
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="First.MonoApp" android:versionCode="1" android:versionName="1.0">
<application android:label="MyMonoApp">
</application>
<uses-sdk android:minSdkVersion="4" />
<uses-permission android:name="android.permission.INTERNET" />
</manifest>
* This source code was highlighted with Source Code Highlighter.
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