Mono 平台 安卓 APP 菜单栏制作

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:minWidth="25px"
android:minHeight="25px">
<TabHost
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:id="@+id/tabHost1">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:id="@+id/linearLayout1">
<TabWidget
android:id="@android:id/tabs"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:visibility="gone" />
<FrameLayout
android:id="@android:id/tabcontent"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1" />
<RadioGroup
android:id="@+id/bottom_group"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="bottom"
android:background="@drawable/group_background"
android:gravity="center_vertical"
android:orientation="horizontal">
<RadioButton
android:id="@+id/radio_home"
style="@style/radio_navigation_bar_bottom_tab"
android:checked="true"
android:drawableTop="@drawable/tab_home"
android:text="Tab1" />
<RadioButton
android:id="@+id/radio_letter"
style="@style/radio_navigation_bar_bottom_tab"
android:drawableTop="@drawable/tab_reference"
android:text="Tab2"
android:enabled="true" />
<RadioButton
android:id="@+id/radio_comment"
style="@style/radio_navigation_bar_bottom_tab"
android:drawableTop="@drawable/tab_reference"
android:text="Tab3"
android:enabled="true" />
<RadioButton
android:id="@+id/radio_more"
style="@style/radio_navigation_bar_bottom_tab"
android:drawableTop="@drawable/tab_more"
android:text="Tab4" />
</RadioGroup>
</LinearLayout>
</TabHost>
</LinearLayout>

using System;
using Android.App;
using Android.Content;
using Android.Runtime;
using Android.Views;
using Android.Widget;
using Android.OS;

namespace Tab
{
[Activity(Label = "Tab", MainLauncher = true, Icon = "@drawable/ic_launcher")]
public class MainActivity : Activity, View.IOnClickListener
{

private RadioGroup group;
private TabHost tabHost;
private String tab_home_bar = "tab_home";
private String tab_letter_bar = "tab_letter";
private String tab_comment_bar = "tab_comment";
private String tab_more_bar = "tab_more";

private RadioButton radio_home;

private RadioButton radio_letter;

private RadioButton radio_comment;

private RadioButton radio_more;
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);

// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
init();
LocalActivityManager localActMgr = new LocalActivityManager(this, false);
localActMgr.DispatchCreate(bundle);
tabHost.Setup(localActMgr);
setNavigationBar();
}

private void init()
{
//group = FindViewById<RadioGroup>(Resource.Id.bottom_group);
//group.SetOnClickListener(this);
radio_home = FindViewById<RadioButton>(Resource.Id.radio_home);
radio_letter = FindViewById<RadioButton>(Resource.Id.radio_letter);
radio_comment = FindViewById<RadioButton>(Resource.Id.radio_comment);

radio_more = FindViewById<RadioButton>(Resource.Id.radio_more);

radio_home.SetOnClickListener(this);
radio_letter.SetOnClickListener(this);
radio_comment.SetOnClickListener(this);

radio_more.SetOnClickListener(this);

tabHost = FindViewById<TabHost>(Resource.Id.tabHost1);
}

private void setNavigationBar()
{

TabHost.TabSpec tab_home = tabHost.NewTabSpec(tab_home_bar);
TabHost.TabSpec tab_letter = tabHost.NewTabSpec(tab_letter_bar);
TabHost.TabSpec tab_comment = tabHost.NewTabSpec(tab_comment_bar);

TabHost.TabSpec tab_more = tabHost.NewTabSpec(tab_more_bar);

tab_home.SetIndicator(tab_home_bar).SetContent(new Intent(this, typeof(Activity1)));
tab_letter.SetIndicator(tab_letter_bar).SetContent(new Intent(this, typeof(Activity2)));
tab_comment.SetIndicator(tab_comment_bar).SetContent(new Intent(this, typeof(Activity3)));

tab_more.SetIndicator(tab_more_bar).SetContent(new Intent(this, typeof(Activity5)));

tabHost.AddTab(tab_home);
tabHost.AddTab(tab_letter);
tabHost.AddTab(tab_comment);

tabHost.AddTab(tab_more);

tabHost.CurrentTab = 1;
}

public void OnClick(View v)
{
switch (v.Id)
{
case Resource.Id.radio_home:
tabHost.SetCurrentTabByTag(tab_home_bar);
break;
case Resource.Id.radio_letter:
tabHost.SetCurrentTabByTag(tab_letter_bar);
break;
case Resource.Id.radio_comment:
tabHost.SetCurrentTabByTag(tab_comment_bar);
break;

case Resource.Id.radio_more:
tabHost.SetCurrentTabByTag(tab_more_bar);
break;
}
}
}
}