private boolean rulesChanged() {
if (editedRules.size() != reference.getRules().length) {
return true;
}
for (int i = 0; i < editedRules.size(); i++) {
if (!reference.getRules()[i].equals(editedRules.get(i))) {
return true;
}
}
return false;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_instance_no_miniplayer);
reference = getIntent().getParcelableExtra(PLAYLIST_EXTRA);
if (reference == null) {
reference = AutoPlaylist.EMPTY;
}
if (savedInstanceState != null) {
editedReference = savedInstanceState.getParcelable(EDITED_HEADER);
editedRules = savedInstanceState.getParcelableArrayList(EDITED_RULES);
}
if (editedReference == null || editedRules == null) {
editedReference = new AutoPlaylist(reference);
editedRules = new ArrayList<>(reference.getRules().length);
Collections.addAll(editedRules, editedReference.getRules());
}
if (getSupportActionBar() != null) {
if (reference == null) {
getSupportActionBar().setTitle(R.string.playlist_auto_new);
} else {
getSupportActionBar().setTitle(reference.getPlaylistName());
}
getSupportActionBar().setHomeAsUpIndicator(R.drawable.ic_done_24dp);
}
adapter =
new HeterogeneousAdapter()
.addSection(new RuleHeaderSingleton(editedReference))
.addSection(new RuleSection(editedRules, this));
RecyclerView list = (RecyclerView) findViewById(R.id.list);
list.setAdapter(adapter);
list.setLayoutManager(new LinearLayoutManager(this));
list.addItemDecoration(new BackgroundDecoration(Themes.getBackgroundElevated()));
list.addItemDecoration(new DividerDecoration(this));
}