// code which handles the action for each menu item
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.settings:
{
Intent preferences_intent = new Intent();
preferences_intent.setComponent(
new ComponentName(download_photos.this, preferences.class));
preferences_intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
getApplicationContext().startActivity(preferences_intent);
return true;
}
case R.id.logout:
{
try {
download_photos.this.facebook.logout(getApplicationContext());
} catch (IOException e) {
e.printStackTrace();
}
mPrefs = getSharedPreferences("COMMON", MODE_PRIVATE);
SharedPreferences.Editor editor = mPrefs.edit();
editor.putString("access_token", null);
editor.putLong("access_expires", 0);
editor.putBoolean("logout", true);
editor.commit();
finish();
return true;
}
case R.id.about:
{
// shows our customized about dialog
AboutDialog about = new AboutDialog(this);
about.show();
return true;
}
// lets deal with default case
default:
return super.onOptionsItemSelected(item);
}
}
public void save() {
if (rs.isChecked() == true) {
edit.putBoolean("silent", true);
edit.commit();
} else {
edit.putBoolean("silent", false);
edit.commit();
}
if (nc.isChecked() == true) {
edit.putBoolean("nightmode", true);
edit.commit();
} else {
edit.putBoolean("nightmode", false);
edit.commit();
}
Toast.makeText(getApplicationContext(), "保存成功！", Toast.LENGTH_SHORT).show();
}