bauer/UdacityProject1-2
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fixed restore state for favorites list

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This commit is contained in:
danijoo
2015-11-01 13:18:39 +01:00
parent a9a7710141
commit f9fcb4d4ff
1 changed files with 25 additions and 17 deletions
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42
app/src/main/java/net/headlezz/udacityproject1/movielist/MovieListFragment.java
View File

@@ -4,6 +4,7 @@ import android.content.Context;
import android.content.res.Configuration;
import android.database.Cursor;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v4.app.Fragment;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.RecyclerView;
@@ -44,6 +45,7 @@ public class MovieListFragment extends Fragment implements Callback<MovieList> {
private static final int NUM_COLUMNS_LAND = 5;
/**
* The currently selected sorting order of the list
*
* @see TMDBApi
*/
private int mSortingOrder = SORT_ORDER_MOST_POPULAR;
@@ -54,8 +56,10 @@ public class MovieListFragment extends Fragment implements Callback<MovieList> {
private MovieList mMovieList;
@Bind(R.id.movie_list_grid) RecyclerView mMovieGridView;
@Bind(R.id.movie_list_progressBar) ProgressBar mProgressBar;
@Bind(R.id.movie_list_grid)
RecyclerView mMovieGridView;
@Bind(R.id.movie_list_progressBar)
ProgressBar mProgressBar;
/**
* Holding a reference to running api calls. This makes it possible to cancel them if
@@ -80,12 +84,15 @@ public class MovieListFragment extends Fragment implements Callback<MovieList> {
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
mMovieGridView.setLayoutManager(new GridLayoutManager(getActivity(), getNumColumns()));
if (savedInstanceState != null)
restoreState(savedInstanceState);
}
private void restoreState(@NonNull Bundle savedInstanceState) {
mSortingOrder = savedInstanceState.getInt("sort_order");
if (savedInstanceState.containsKey("movielist"))
mMovieList = savedInstanceState.getParcelable("movielist");
if(savedInstanceState != null) {
mSortingOrder = savedInstanceState.getInt("sort_order");
if(savedInstanceState.containsKey("movielist"))
mMovieList = savedInstanceState.getParcelable("movielist");
}
}
/**
@@ -94,7 +101,7 @@ public class MovieListFragment extends Fragment implements Callback<MovieList> {
*/
private int getNumColumns() {
int orientation = getActivity().getResources().getConfiguration().orientation;
if(orientation == Configuration.ORIENTATION_LANDSCAPE)
if (orientation == Configuration.ORIENTATION_LANDSCAPE)
return NUM_COLUMNS_LAND;
else
return NUM_COLUMNS_PORTRAIT;
@@ -112,10 +119,10 @@ public class MovieListFragment extends Fragment implements Callback<MovieList> {
* starts the download of the new movie list if no restored one is present
*/
private void initMovieList() {
if(mMovieList == null)
if (mMovieList == null)
loadMovieList();
else
mMovieGridView.setAdapter(new MovieListAdapter( (MovieNavigation) getActivity(), mMovieList));
mMovieGridView.setAdapter(new MovieListAdapter((MovieNavigation) getActivity(), mMovieList));
}
@Override
@@ -150,7 +157,7 @@ public class MovieListFragment extends Fragment implements Callback<MovieList> {
*/
private void loadMovieList() {
stopLoadingMovies(); // stop any running query before starting a new one
if(mSortingOrder != SORT_ORDER_FAVORITES) {
if (mSortingOrder != SORT_ORDER_FAVORITES) {
mProgressBar.setVisibility(View.VISIBLE);
mMovieListCall = TMDBApi.discoverMovies(mSortingOrder, getString(R.string.api_key));
mMovieListCall.enqueue(this);
@@ -160,13 +167,14 @@ public class MovieListFragment extends Fragment implements Callback<MovieList> {
private void loadMovieListFromFavorites() {
// TODO async?
mMovieList = null;
Cursor cursor = new FavoriteProviderHelper(getContext().getContentResolver()).getAllFavorites();
mMovieGridView.setAdapter(new CursorMovieListAdapter(cursor,(MovieNavigation) getActivity()));
mMovieGridView.setAdapter(new CursorMovieListAdapter(cursor, (MovieNavigation) getActivity()));
}
@Override
public void onResponse(Response<MovieList> response, Retrofit retrofit) {
if(response.isSuccess()) {
if (response.isSuccess()) {
mMovieList = response.body();
setListToGrid(mMovieList);
}
@@ -177,7 +185,7 @@ public class MovieListFragment extends Fragment implements Callback<MovieList> {
public void onFailure(Throwable t) {
Log.d(TAG, t.getClass().getSimpleName() + " " + t.getMessage());
mProgressBar.setVisibility(View.GONE);
if(!t.getMessage().equals("Canceled") && getActivity() != null)
if (!t.getMessage().equals("Canceled") && getActivity() != null)
Toast.makeText(getActivity(), t.getMessage(), Toast.LENGTH_SHORT).show();
}
@@ -189,7 +197,7 @@ public class MovieListFragment extends Fragment implements Callback<MovieList> {
* Stops the current api query
*/
private void stopLoadingMovies() {
if(mMovieListCall != null) {
if (mMovieListCall != null) {
mMovieListCall.cancel();
mMovieListCall = null;
}
@@ -204,14 +212,14 @@ public class MovieListFragment extends Fragment implements Callback<MovieList> {
@Override
public void onAttach(Context context) {
super.onAttach(context);
if(!(context instanceof MovieNavigation))
if (!(context instanceof MovieNavigation))
throw new RuntimeException("Activity must implement " + MovieNavigation.class.getSimpleName());
}
@Override
public void onSaveInstanceState(Bundle outState) {
outState.putInt("sort_order", mSortingOrder);
if(mMovieList != null && mSortingOrder != SORT_ORDER_FAVORITES)
if (mMovieList != null && mSortingOrder != SORT_ORDER_FAVORITES)
outState.putParcelable("movielist", mMovieList);
super.onSaveInstanceState(outState);
}