Я следил за этим учебным пособием о том, как создать RecyclerView на slidenerd, и когда я запустил приложение, он показывает мне эту ошибку (ошибка: (69, 36) : не может найти символьную переменную i), указывая на эту часть моего кода как ошибку (current.iconId = icons [i]; current.title = titles [i];) ниже - мои кодыОшибка: (69, 36) ошибка: не удается найти символьную переменную i
public class NavigationDrawerFragment extends Фрагмент {
private RecyclerView recyclerView;
public static final String PREF_FILE_NAME="testpref";
public static final String KEY_USER_LEARNED_DRAWER="user_learned_drawer";
private ActionBarDrawerToggle mDrawerToggle;
private DrawerLayout mDrawerLayout;
private View containerView;
private MichaelAdapter adapter;
private boolean mUserLearnedDrawer;
private boolean mFromSavedInstanceState;
public NavigationDrawerFragment() {
// Required empty public constructor
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mUserLearnedDrawer=Boolean.valueOf(readFromPreference(getActivity(),KEY_USER_LEARNED_DRAWER,"false"));
if (savedInstanceState!=null){
mFromSavedInstanceState=true;
}
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
View layout=inflater.inflate(R.layout.fragment_navigation_drawer, container, false);
recyclerView=(RecyclerView)layout.findViewById(R.id.drawerList);
adapter = new MichaelAdapter(getActivity(), getData());
recyclerView.setAdapter(adapter);
recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
return layout;
}
public static List<information> getData() {
List<information> data = new ArrayList<>();
int[] icons = {R.drawable.ic_podcasts, R.drawable.ic_magazine};
String[] titles = {"Podcast", "Magazine"};
for (int i = 0; i< titles.length && i< icons.length; i++) ;
{
information current=new information();
current.iconId=icons[i];
current.title=titles[i];
data.add(current);
}
return data;
}
public void setUp(int fragmentId, DrawerLayout drawerLayout, Toolbar toolbar) {
containerView=getActivity().findViewById(fragmentId);
mDrawerLayout=drawerLayout;
mDrawerToggle=new ActionBarDrawerToggle(getActivity(),drawerLayout,toolbar,R.string.draw_open, R.string.draw_close){
@Override
public void onDrawerOpened(View drawerView) {
super.onDrawerOpened(drawerView);
if(!mUserLearnedDrawer){
mUserLearnedDrawer=true;
saveToPreference(getActivity(),KEY_USER_LEARNED_DRAWER,mUserLearnedDrawer+"");
}
getActivity().invalidateOptionsMenu();
}
@Override
public void onDrawerClosed(View drawerView) {
super.onDrawerClosed(drawerView);
getActivity().invalidateOptionsMenu();
}
};
if (!mUserLearnedDrawer&& !mFromSavedInstanceState){
mDrawerLayout.openDrawer(containerView);
}
mDrawerLayout.setDrawerListener(mDrawerToggle);
mDrawerLayout.post(new Runnable() {
@Override
public void run() {
mDrawerToggle.syncState();
}
});
}
public static void saveToPreference(Context context,String preferenceName,String preferenceValue){
SharedPreferences sharedPreferences=context.getSharedPreferences(PREF_FILE_NAME,Context.MODE_PRIVATE);
SharedPreferences.Editor editor=sharedPreferences.edit();
editor.putString(preferenceName,preferenceValue);
editor.apply();
}
public static String readFromPreference(Context context,String preferenceName,String defaultvalue){
SharedPreferences sharedPreferences=context.getSharedPreferences(PREF_FILE_NAME,Context.MODE_PRIVATE);
return sharedPreferences.getString(preferenceName,defaultvalue);
}
}