动态改变Menu item的显示字体内容

@Override

public boolean onOptionsItemSelected(MenuItem item) { final String[] days = {"day1", "day2", "day3"}; AlertDialog.Builder builder = new AlertDialog.Builder(PhotoActivity.this);
builder.setTitle(OnsiteApplication.getInstance().getResources().getString(R.string.select_date));
builder.setItems(days, new DialogInterface.OnClickListener() {
@Overridepublic void onClick(DialogInterface dialogInterface, int which) {
Toast.makeText(PhotoActivity.this, "U choose "+days[which], Toast.LENGTH_LONG).show();
menuItem.setTitle(days[which]);
}
});
builder.show();
}