I'm doing a simple quotes app that contains quotes in cardView. I've stored the quotes in values>arrays.There are two fragments in my app one which contains the quotes in cardview and the next one is favourites. I've created a like button in cardView such that when the like button is pressed I want that cardview to appear in favourites fragment. Can I do this using sharedpreferences ? If yes, how?
The recylerAdapter for my cardView is given below:
public class RecyclerAdapter extends RecyclerView.Adapter<RecyclerAdapter.ViewHolder> {
private ClipboardManager myClipboard;
private ClipData myClip;
private Context context;
public List<CardItemModel> cardItems;
public RecyclerAdapter(List<CardItemModel> cardItems){
this.cardItems = cardItems;
}
public static class ViewHolder extends RecyclerView.ViewHolder{
ImageView copyButton;
ImageView shareButton;
ToggleButton favButton;
TextView title;
TextView content;
public ViewHolder(View itemView) {
super(itemView);
this.title = (TextView)itemView.findViewById(R.id.card_title);
this.content = (TextView)itemView.findViewById(R.id.card_content);
this.copyButton= (ImageView) itemView.findViewById(R.id.copyButton);
this.shareButton=(ImageView) itemView.findViewById(R.id.shareButton);
this.favButton=(ToggleButton) itemView.findViewById(R.id.favButton);
favButton.setChecked(false);
favButton.setBackgroundDrawable(ContextCompat.getDrawable(favButton.getContext(), R.mipmap.ic_launcher));
}
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.recycler_item,parent,false);
ViewHolder viewHolder = new ViewHolder(view);
return viewHolder;
}
@Override
public void onBindViewHolder(final ViewHolder holder, int position) {
holder.title.setText(cardItems.get(position).title);
holder.content.setText(cardItems.get(position).content);
holder.copyButton.setOnClickListener(new View.OnClickListener(){
public void onClick(View v){
myClipboard = (ClipboardManager) v.getContext().getSystemService(Context.CLIPBOARD_SERVICE);
myClip = ClipData.newPlainText("label", holder.content.getText().toString());
myClipboard.setPrimaryClip(myClip);
Toast.makeText(v.getContext(), "Copied to clipboard" , Toast.LENGTH_SHORT ).show();
}
});
holder.shareButton.setOnClickListener(new View.OnClickListener(){
public void onClick(View v){
Intent share = new Intent(Intent.ACTION_SEND);
share.setType("text/plain");
share.putExtra(Intent.EXTRA_TEXT, holder.content.getText().toString());
v.getContext().startActivity(Intent.createChooser(share, "Share Text"));
}
});
holder.favButton.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener(){
@Override
public void onCheckedChanged(CompoundButton favButton, boolean isChecked){
if (isChecked)
favButton.setBackgroundDrawable(ContextCompat.getDrawable(favButton.getContext(),R.mipmap.ic_launcher));
else
favButton.setBackgroundDrawable(ContextCompat.getDrawable(favButton.getContext(), R.mipmap.ic_cart));
}
});
}
@Override
public int getItemCount() {
return cardItems.size();
}
}
And this is my fragment that contains quotes:
public class Category1 extends Fragment {
private List<CardItemModel> cardItems = new ArrayList<>(20);
private MainActivity mainActivity;
private Toolbar toolbar;
private RecyclerView recyclerView;
private RecyclerAdapter recyclerAdapter;
public static ArrayList<CardItemModel> data;
public Category1() {
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
mainActivity = (MainActivity)activity;
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.cat1_fragment, container, false);
toolbar = (Toolbar)view.findViewById(R.id.fab_toolbar);
setupToolbar();
recyclerView = (RecyclerView)view.findViewById(R.id.fab_recycler_view);
setupRecyclerView();
return view;
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
mainActivity.setupNavigationDrawer(toolbar);
}
private void setupToolbar(){
toolbar.setTitle(getString(R.string.cat1_fragment_title));
mainActivity.setSupportActionBar(toolbar);
}
private void setupRecyclerView(){
recyclerView.setLayoutManager(new LinearLayoutManager(mainActivity));
recyclerView.setHasFixedSize(true);
initializeCardItemList();
recyclerAdapter = new RecyclerAdapter(cardItems);
recyclerView.setAdapter(recyclerAdapter);
}
private void initializeCardItemList(){
CardItemModel cardItemModel;
String[] cardTitles = getResources().getStringArray(R.array.cat1_cards);
String[] cardContents = getResources().getStringArray(R.array.cat1_cards_content);
final int length = cardTitles.length;
for(int i=0;i<length;i++){
cardItemModel = new CardItemModel(cardTitles[i],cardContents[i]);
cardItems.add(cardItemModel);
}
}
}
How do I set up my Favourite Fragment so that I can get the favourited items in it. And this is my model class.
public class CardItemModel {
public String title;
public String content;
public CardItemModel(String title, String content) {
this.title = title;
this.content = content;
}
}
