meine Aktionsleiste ist so dünn, und das Menü nicht

Question

angezeigt wird [dies ist die Haupttätigkeit in dem kein Menüpunkt zeigt und die Aktionsleiste ist so dünn, waht soll ich den Menüpunkt zeigen, tun]

MainActivity

public class MainActivity extends Activity { 


    public ListView listView; 
    //public ScrollView mScrollView; 
    public ScrollView mScrollView2; 
    public TextView mTextView; 
    private static final int CATEGORY_DETAIL = 1; 
    private static final int NO_MEMORY_CARD = 2; 
    private static final int TERMS = 3; 

    public RadioButton radEnable; 
    public RadioButton radDisable; 

    private static Resources res; 
    private Context context; 

    @Override 
    public void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.activity_main); 

     res = getResources(); 

     listView = (ListView) findViewById(R.id.mylist); 
     //mScrollView = (ScrollView) findViewById(R.id.ScrollView01); 
     mScrollView2 = (ScrollView) findViewById(R.id.ScrollView02); 
     mTextView = (TextView) findViewById(R.id.txtNoRecords); 

     SharedPreferences settings = this.getSharedPreferences(
       Constants.LISTEN_ENABLED, 0); 
     boolean silentMode = settings.getBoolean("silentMode", true); 

     if (silentMode) 
      showDialog(CATEGORY_DETAIL); 

     context = this.getBaseContext(); 
     // showDialog(TERMS); 
    } 

    @Override 
    protected void onResume() { 
     .... 
    } 

    /** 
    * checks if an external memory card is available 
    * 
    * @return 
    */ 
    public static int updateExternalStorageState() { 

    } 

    @Override 
    public boolean onCreateOptionsMenu(Menu menu) { 
     getMenuInflater().inflate(R.menu.activity_main, menu); 
     //return true; 

     return super.onCreateOptionsMenu(menu); 
    } 

    @Override 
    public boolean onPrepareOptionsMenu(Menu menu) { 
     SharedPreferences settings = this.getSharedPreferences(
       Constants.LISTEN_ENABLED, 0); 
     boolean silentMode = settings.getBoolean("silentMode", true); 

     MenuItem menuDisableRecord = menu.findItem(R.id.menu_Disable_record); 
     MenuItem menuEnableRecord = menu.findItem(R.id.menu_Enable_record); 

     // silent is disabled, disableRecord item must be disabled 
     menuEnableRecord.setEnabled(silentMode); 
     menuDisableRecord.setEnabled(!silentMode); 

     return super.onPrepareOptionsMenu(menu); 
    } 

    @Override 
    public boolean onOptionsItemSelected(MenuItem item) { 
     Toast toast; 
     final Activity currentActivity = this; 
     switch (item.getItemId()) { 
      case R.id.menu_about: 
       AlertDialog.Builder builder = new AlertDialog.Builder(
         MainActivity.this); 
       builder.setTitle(R.string.about_title) 
         .setMessage(R.string.about_content) 
         .setPositiveButton(R.string.about_close_button, 
           new DialogInterface.OnClickListener() { 
            public void onClick(DialogInterface dialog, 
                 int id) { 
             dialog.cancel(); 
            } 
           }).show(); 
       break; 
      case R.id.menu_Disable_record: 
       setSharedPreferences(true); 
       toast = Toast.makeText(this, 
         this.getString(R.string.menu_record_is_now_disabled), 
         Toast.LENGTH_SHORT); 
       toast.show(); 
       break; 
      case R.id.menu_Enable_record: 
       setSharedPreferences(false); 
       // activateNotification(); 
       toast = Toast.makeText(this, 
         this.getString(R.string.menu_record_is_now_enabled), 
         Toast.LENGTH_SHORT); 
       toast.show(); 
       break; 
      case R.id.menu_see_terms: 
       Intent i = new Intent(this.getBaseContext(), TermsActivity.class); 
       startActivity(i); 
       break; 
      case R.id.menu_privacy_policy: 
       Intent browserIntent = new Intent(
         Intent.ACTION_VIEW, 
         Uri.parse("http://www.privacychoice.org/policy/mobile?policy=306ef01761f300e3c30ccfc534babf6b")); 
       startActivity(browserIntent); 
       break; 
      case R.id.menu_delete_all: 
       AlertDialog.Builder builderDelete = new AlertDialog.Builder(
         MainActivity.this); 
       builderDelete 
         .setTitle(R.string.dialog_delete_all_title) 
         .setMessage(R.string.dialog_delete_all_content) 
         .setPositiveButton(R.string.dialog_delete_all_yes, 
           new DialogInterface.OnClickListener() { 
            public void onClick(DialogInterface dialog, 
                 int id) { 
             FileHelper 
               .deleteAllRecords(currentActivity); 
             onResume(); 
             dialog.cancel(); 
            } 
           }) 
         .setNegativeButton(R.string.dialog_delete_all_no, 
           new DialogInterface.OnClickListener() { 
            public void onClick(DialogInterface dialog, 
                 int id) { 
             dialog.cancel(); 
            } 
           }).show(); 
       break; 
      default: 
       break; 
     } 
     return super.onOptionsItemSelected(item); 
    } 



    private void setSharedPreferences(boolean silentMode) { 
.... 
    } 

    @Override 
    protected Dialog onCreateDialog(int id) { 
     ....... } 

    @Override 
    protected void onPrepareDialog(int id, Dialog dialog) { 
     .....} 

} 

activity_main.xml

<item 
    android:id="@+id/menu_Enable_record" 
    android:enabled="false" 
    android:icon="@drawable/ic_record_enable" 
    android:orderInCategory="100" 
    android:title="@string/menu_Enable_record"/> 
<item 
    android:id="@+id/menu_Disable_record" 
    android:enabled="false" 
    android:icon="@drawable/ic_record_disable" 
    android:orderInCategory="100" 
    android:title="@string/menu_Disable_record"/> 
<item 
    android:id="@+id/menu_about" 
    android:icon="@drawable/ic_about" 
    android:orderInCategory="100" 
    android:title="@string/menu_about"/> 
<item 
    android:id="@+id/menu_see_terms" 
    android:icon="@drawable/ic_menu_example" 
    android:orderInCategory="100" 
    android:title="@string/menu_terms"/> 
<item 
    android:id="@+id/menu_privacy_policy" 
    android:icon="@drawable/ic_menu_example" 
    android:orderInCategory="100" 
    android:title="@string/menu_privacy_policy"/> 
<item 
    android:id="@+id/menu_delete_all" 
    android:icon="@drawable/ic_delete_all" 
    android:orderInCategory="100" 
    android:title="@string/menu_delete_all"/> 

style.xml

<style name="AppTheme" parent="android:Theme.Light" /> 

Answer 1

<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">