Create menu in dialog

main.xml layout

<?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"
    >
    <TextView 
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:gravity="center_vertical|center_horizontal"
        android:text="@string/hello"
        android:textSize="30sp"
        />
</LinearLayout>




put below strings in strings.xml layout


<string name="hello">Hello, Press Menu button!</string>
        <string name="app_name">MenuDialogDemo</string>

        <string name="menu_line_1">Menu Line 1</string>
        <string name="menu_line_2">Click To Enter SubMenu</string>
        <string name="menu_line_3">Menu Line 3</string>
        <string name="menu_line_4">Menu Line 4</string>
        <string name="menu_line_5">Menu Line 5</string>

        <string name="menu_line_6">Menu Line 6</string>
        <string name="menu_line_7">Menu Line 7</string>
        <string name="menu_line_8">Menu Line 8</string>
        <string name="menu_line_9">Menu Line 9</string>
        <string name="menu_line_a">Menu Line A</string>

        <string name="sub_menu_line_1">SubMenu Line 1</string>
        <string name="sub_menu_line_2">SubMenu Line 2</string>
        <string name="sub_menu_line_3">SubMenu Line 3</string>




MainActivity.java code

import android.app.Activity;
import android.os.Bundle;
import android.view.KeyEvent;
import android.widget.Toast;

/**
 * Demo illustrating how to use MenuDialg
 */
public class MainActivity extends Activity
    implements MenuDialog.MenuSelectListener
{
    // main menu:
    static final MenuDialog.MenuItem[] MAIN_MENU_LIST = {
        new MenuDialog.MenuItem(android.R.drawable.ic_dialog_email, R.string.menu_line_1),
        new MenuDialog.MenuItem(android.R.drawable.btn_plus, R.string.menu_line_2),
        new MenuDialog.MenuItem(android.R.drawable.ic_menu_directions, R.string.menu_line_3),
        new MenuDialog.MenuItem(android.R.drawable.ic_menu_compass, R.string.menu_line_4),
        new MenuDialog.MenuItem(android.R.drawable.btn_star, 0),                                // only icon, no text
        new MenuDialog.MenuItem(android.R.drawable.ic_dialog_info, R.string.menu_line_6),
        new MenuDialog.MenuItem(android.R.drawable.ic_media_next, R.string.menu_line_7),
        new MenuDialog.MenuItem(android.R.drawable.ic_input_delete, R.string.menu_line_8),
        new MenuDialog.MenuItem(android.R.drawable.ic_lock_lock, R.string.menu_line_9),
        new MenuDialog.MenuItem(android.R.drawable.ic_media_pause, R.string.menu_line_a)
    };
    // submenu:
    static final MenuDialog.MenuItem[] SUBMENU_LIST = {
        new MenuDialog.MenuItem(android.R.drawable.btn_minus, R.string.sub_menu_line_1),
        new MenuDialog.MenuItem(android.R.drawable.btn_minus, R.string.sub_menu_line_2),
    };

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
    }
    /** must be implemented to intercept menu key */
    @Override
    public boolean onKeyUp( int keyCode, KeyEvent event ) {
        if (keyCode == KeyEvent.KEYCODE_MENU) {
            // intercept menu key
            new MenuDialog( this, this, MAIN_MENU_LIST, R.drawable.logo1 );    // launch main menu
            return true;
        }
        return super.onKeyDown( keyCode, event );
    }
    /**
     * MenuDialog.MenuSelectListener implementation, gets invoked when the user selects a menu item
     * to access submenu construct MenuDialog as a response
     */
    @Override
    public void onMenuSelect( int index, long id ) {
        Toast.makeText( this, "selected item " + index + ", id=" + id, Toast.LENGTH_SHORT ).show();
        if( id == R.string.menu_line_2 ) {
            new MenuDialog( this, this, SUBMENU_LIST, R.drawable.android );    // launch submenu
        }
    }
}

create class name MenuDialog.java

import android.app.Dialog;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.BitmapFactory;
import android.graphics.Color;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.LinearLayout;

/**
 * MenuDialog - displays the menu in a more traditional way
 */
public class MenuDialog extends Dialog {
    static final int
        MARGIN_X                    = 10,
        MARGIN_Y                    = 0,
        dummy_int = 0;

    static final float
        LINE_TEXT_SIZE                = 30.0F,
        dummy_float = 0;
   
    Drawable mLogo;
    ListView mListView;

    /**
     * Constructs and shows menu
     * @param context - calling context
     * @param menuSelectListener - callback interface
     * @param menuList - list of menu items
     * @param logoRes - image resource id or 0
     */
    public MenuDialog( final Context context, final MenuSelectListener menuSelectListener, final MenuItem[] menuList, int logoRes ) {
        super( context );

        if( menuSelectListener == null || menuList == null ) {
            return;    // exception?
       }

        final Resources resources = context.getResources();
        mLogo = new BitmapDrawable( BitmapFactory.decodeResource(resources, logoRes) );
        requestWindowFeature( Window.FEATURE_NO_TITLE );
        setContentView( createMenuLayout(context) );

        BaseAdapter adapter = new BaseAdapter() {
            @Override
            public int getCount() {
                return menuList.length;
            }
            @Override
            /* * */
            public Object getItem( int position ) {
                return position;
            }
            /* * */
            @Override
            public long getItemId( int position ) {
                int id = menuList[position].mTextResourceId;
                if( id == 0 ) id = menuList[position].mIconResourceId;
                return id;
            }
            /* * */
            @Override
            public View getView( int position, View convertView, ViewGroup parent ) {
                if( convertView == null ) {
                    convertView = new TextView( context );
                }

                TextView textView = (TextView)convertView;
                if( position < menuList.length ) {
                    if( menuList[position].mTextResourceId == 0 ) {
                        textView.setText( null );
                    } else {
                        textView.setText( resources.getString(menuList[position].mTextResourceId) );
                    }
                    textView.setTextSize( LINE_TEXT_SIZE );
                    textView.setTextColor( Color.WHITE );

                    if( menuList[position].mIconResourceId == 0 ) {
                        textView.setCompoundDrawablesWithIntrinsicBounds( 0, 0, 0, 0 );
                    } else {
                        textView.setCompoundDrawablesWithIntrinsicBounds( menuList[position].mIconResourceId, 0, 0, 0 );
                    }
                }
                return convertView;
            }
        };

        mListView.setAdapter( adapter );
        mListView.setOnItemClickListener( new OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int clicked, long id ) {
                menuSelectListener.onMenuSelect( clicked, id );
                MenuDialog.this.dismiss();
            }
        });

        super.show();
    }

    View createMenuLayout( Context context) {
        LinearLayout linearLayout = new LinearLayout( context );

        linearLayout.setOrientation( LinearLayout.HORIZONTAL );
        linearLayout.setMinimumHeight( android.view.ViewGroup.LayoutParams.WRAP_CONTENT );
        linearLayout.setMinimumWidth( android.view.ViewGroup.LayoutParams.FILL_PARENT );

        if( mLogo != null ) {
            ImageView imageView = new ImageView( context );
            imageView.setLayoutParams( new LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT) );
            imageView.setImageDrawable( mLogo );

            linearLayout.addView( imageView );
        }

        mListView = new ListView( context );
        mListView.setLayoutParams( new LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT) );
        mListView.setPadding( MARGIN_X, MARGIN_Y, 0, 0 );
        mListView.setBackgroundColor( Color.DKGRAY );
        linearLayout.addView( mListView );

        return linearLayout;
    }
    /**
     * Menu item - used in MenuDialog constructor
     * contains
     *     mIconResourceId or 0
     *     mTextResourceId or 0
     * expected that at least one of these will be not 0
     * the program will crash if non-zero resource id is invalid
     */
    public static class MenuItem {
        int mIconResourceId;
        int mTextResourceId;

        /**
         * MenuDialog.MenuItem constructor.
         * @param iconResourceId - valid icon resource id or 0
         * @param textResourceId - valid text resource id or 0
         * at least one of these must be non-zero
         */
        public MenuItem( int iconResourceId, int textResourceId ) {
            this.mIconResourceId = iconResourceId;
            this.mTextResourceId = textResourceId;
        }
    }
    /**
     * Menu selection listener - used in MenuDialog constructor
     */
    public static interface MenuSelectListener {
        /**
         * Gets invoked when a user selects a menu item
         * @param index - selected index in MenuItem[]
         * @param id - selected text resource id or icon resource id (if textResourceId == 0) in MenuItem[]
         */
        public void onMenuSelect( int index, long id );
    }
}