アクションバーの実装に役立つものはありますか？

Question

1つは私のアプリで働くのを助けることを含む最初から最後までアクションバーを実装するのに役立つことができますか？

Answer 1

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

public class MainActivity extends Activity { 

/** Called when the activity is first created. */ 
@Override 
public void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.main); 
} 
@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.ic_launcher); 
    } 
    MenuItem mnu2 = menu.add(0, 1, 1, "Item 2"); 
    { 
     mnu2.setAlphabeticShortcut('b'); 
     mnu2.setIcon(R.drawable.ic_launcher); 
    } 
    MenuItem mnu3 = menu.add(0, 2, 2, "Item 3"); 
    { 
     mnu3.setAlphabeticShortcut('c'); 
     mnu3.setIcon(R.drawable.ic_launcher); 
    } 
    MenuItem mnu4 = menu.add(0, 3, 3, "Item 4"); 
    { 
     mnu4.setAlphabeticShortcut('d'); 
    } 
    menu.add(0, 3, 3, "Item 5"); 
    menu.add(0, 3, 3, "Item 6"); 
    menu.add(0, 3, 3, "Item 7"); 
} 
private boolean MenuChoice(MenuItem item) 
{ 
    switch (item.getItemId()) { 
    case 0: 
     Toast.makeText(this, "You clicked on Item 1", 
       Toast.LENGTH_LONG).show(); 
     return true; 
    case 1: 
     Toast.makeText(this, "You clicked on Item 2", 
       Toast.LENGTH_LONG).show(); 
     return true; 
    case 2: 
     Toast.makeText(this, "You clicked on Item 3", 
       Toast.LENGTH_LONG).show(); 
     return true; 
    case 3: 
     Toast.makeText(this, "You clicked on Item 4", 
       Toast.LENGTH_LONG).show(); 
     return true; 
    case 4: 
     Toast.makeText(this, "You clicked on Item 5", 
       Toast.LENGTH_LONG).show(); 
     return true; 
    case 5: 
     Toast.makeText(this, "You clicked on Item 6", 
       Toast.LENGTH_LONG).show(); 
     return true; 
    case 6: 
     Toast.makeText(this, "You clicked on Item 7", 
       Toast.LENGTH_LONG).show(); 
     return true; 
    } 
    return false; 
} 
}