package com.szugyi.circlemenu;

import android.app.Activity;

import android.os.Bundle;

import android.view.View;

import android.widget.TextView;

import android.widget.Toast;

import com.szugyi.circlemenu.view.CircleImageView;

import com.szugyi.circlemenu.view.CircleLayout;

import com.szugyi.circlemenu.view.CircleLayout.OnItemClickListener;

import com.szugyi.circlemenu.view.CircleLayout.OnItemSelectedListener;

public class MainActivity extends Activity implements OnItemSelectedListener, OnItemClickListener{

    private    TextView selectedTextView;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        CircleLayout circleMenu = (CircleLayout)findViewById(R.id.main_circle_layout);

        circleMenu.setOnItemSelectedListener(this);

        circleMenu.setOnItemClickListener(this);

        //这个TextView仅仅作为演示转盘按钮以何为默认的选中项，

        //默认的最底部的那一条被选中，然后显示到该TextView中。

        selectedTextView = (TextView)findViewById(R.id.main_selected_textView);

        selectedTextView.setText(((CircleImageView)circleMenu.getSelectedItem()).getName());

    }

    //圆盘转动到底部，则认为该条目被选中

    @Override

    public void onItemSelected(View view, int position, long id, String name) {

        selectedTextView.setText(name);

    }

    //选择了转盘中的某一条。

    @Override

    public void onItemClick(View view, int position, long id, String name) {

        Toast.makeText(getApplicationContext(), getResources().getString(R.string.start_app) + " " + name, Toast.LENGTH_SHORT).show();

    }

}

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:circle="http://schemas.android.com/apk/res/com.szugyi.circlemenu"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    tools:context=".MainActivity" >

    <com.szugyi.circlemenu.view.CircleLayout

        android:id="@+id/main_circle_layout"

        android:layout_width="fill_parent"

        android:layout_height="fill_parent"

        android:layout_above="@+id/main_selected_textView"

        android:layout_gravity="center_horizontal"

        circle:firstChildPosition="South"

        circle:isRotating="true"

        circle:rotateToCenter="true" >

        <!-- circle:circleBackground="@drawable/green"   -->

        <com.szugyi.circlemenu.view.CircleImageView

            android:id="@+id/main_facebook_image"

            circle:name="@string/facebook"

            android:layout_width="35dp"

            android:layout_height="35dp"

            android:src="@drawable/icon_facebook" />

        <com.szugyi.circlemenu.view.CircleImageView

            android:id="@+id/main_myspace_image"

            circle:name="@string/myspace"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:src="@drawable/icon_myspace" />

        <com.szugyi.circlemenu.view.CircleImageView

            android:id="@+id/main_google_image"

            circle:name="@string/google"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:src="@drawable/icon_google" />

        <com.szugyi.circlemenu.view.CircleImageView

            android:id="@+id/main_linkedin_image"

            circle:name="@string/linkedin"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:src="@drawable/icon_linkedin" />

        <com.szugyi.circlemenu.view.CircleImageView

            android:id="@+id/main_twitter_image"

            circle:name="@string/twitter"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:src="@drawable/icon_twitter" />

        <com.szugyi.circlemenu.view.CircleImageView

            android:id="@+id/main_wordpress_image"

            circle:name="@string/wordpress"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:src="@drawable/icon_wordpress" />

    </com.szugyi.circlemenu.view.CircleLayout>

    <TextView

        android:id="@+id/main_selected_textView"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignParentBottom="true"

        android:layout_centerHorizontal="true"

        android:layout_marginBottom="50dp"

        android:textAppearance="?android:attr/textAppearanceLarge" />

</RelativeLayout>