package com.example.dynamicActionBar;



import android.app.ActionBar;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;

public class MainActivity extends Activity {
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        ActionBar actionBar = getActionBar();
        actionBar.setDisplayHomeAsUpEnabled(true);
    }   
   
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        super.onCreateOptionsMenu(menu);
        CreateMenu(menu);
        return true;
    }
 
    @Override
    public boolean onOptionsItemSelected(MenuItem item)
    {    
         return MenuChoice(item);    
    }    
    
    private void CreateMenu(Menu menu)
    {
        MenuItem mnu1 = menu.add(0, 0, 0, "Item 1");
        {
            mnu1.setAlphabeticShortcut('a');
            mnu1.setIcon(R.drawable.save);            
            mnu1.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM | MenuItem.SHOW_AS_ACTION_WITH_TEXT);
            
        }
        MenuItem mnu2 = menu.add(0, 1, 2, "Item 2");
        {
            mnu2.setAlphabeticShortcut('b');
            mnu2.setIcon(R.drawable.icon);
            mnu2.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
            
        }
        MenuItem mnu3 = menu.add(0, 2, 1, "Item 3");
        {
            mnu3.setAlphabeticShortcut('c');
//            mnu3.setIcon(R.drawable.icon);
            mnu3.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM| MenuItem.SHOW_AS_ACTION_WITH_TEXT);
        }
     
    }
 
    private boolean MenuChoice(MenuItem item)
    {        
        switch (item.getItemId()) {        
        case android.R.id.home:
            Toast.makeText(this, "You clicked on the Application icon", 
                    Toast.LENGTH_SHORT).show();
            
            Intent i = new Intent(this, MainActivity.class);
            i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
            startActivity(i);
            return true;
        case 0:
            Toast.makeText(this, "You clicked on Item 1", 
                Toast.LENGTH_SHORT).show();
            return true;
        case 1:
            Toast.makeText(this, "You clicked on Item 2", 
                Toast.LENGTH_SHORT).show();
            return true;
        case 2:
            Toast.makeText(this, "You clicked on Item 3", 
                Toast.LENGTH_SHORT).show();
            return true;     
        }
        return false;
    }    
}