I have a lock image in my RecyclerView and i want to hide/show it on long press.. I want to hide/show according to it position like if i do long press on first item in recycler view and click on hide it will hide the image for that item only and not for others I have tried this the problem i am facing that it only hide/show the image in the last position item.Please help me Thanks in Advance.
RecyclerViewAdapter
public class RecycleViewAdapter extends
RecyclerView.Adapter<RecycleViewHolder> {
private List<FileName> fileNames;
private Context context;
private OnItemClicked onClick;
String Name;
RecycleViewHolder mainHolder;
public RecycleViewAdapter(Context context,List<FileName> fileNames) {
this.context = context;
this.fileNames = fileNames;
}
public interface OnItemClicked {
void onItemClick(int position);
}
@Override
public RecycleViewHolder onCreateViewHolder(ViewGroup parent, int viewType)
{
LayoutInflater mInflater = LayoutInflater.from(parent.getContext());
ViewGroup mainGroup = (ViewGroup) mInflater.inflate(R.layout.grid_item,
parent, false);
RecycleViewHolder listHolder = new RecycleViewHolder(mainGroup);
return listHolder;
}
@Override
public void onBindViewHolder(RecycleViewHolder holder, final int position) {
final FileName model = fileNames.get(position);
mainHolder = (RecycleViewHolder) holder;
mainHolder.title.setText(model.getShorttext());
mainHolder.note.setText(model.getName());
mainHolder.cardView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
onClick.onItemClick(position);
}
});
mainHolder.setLongClickListener(new LongClickListener() {
@Override
public void onItemLongClick(int position) {
}
});
}
@Override
public int getItemCount() {
return (null != fileNames ? fileNames.size() : 0);
}
public void setOnClick(OnItemClicked onClick)
{
this.onClick=onClick;
}
public void getItemSelected(MenuItem item)
{
if (item.getItemId() == 0) {
mainHolder.imageView.setVisibility(View.VISIBLE);
} else {
mainHolder.imageView.setVisibility(View.INVISIBLE);
}
}
}
RecyclerViewHolder:
public class RecycleViewHolder extends RecyclerView.ViewHolder implements
View.OnLongClickListener,View.OnCreateContextMenuListener {
public TextView title;
public TextView note;
public CardView cardView;
public ImageView imageView;
LongClickListener longClickListener;
public RecycleViewHolder(View view) {
super(view);
this.title = (TextView) view.findViewById(R.id.title);
this.note = (TextView) view.findViewById(R.id.note);
this.cardView = (CardView) view.findViewById(R.id.card_view);
this.imageView = (ImageView) view.findViewById(R.id.lock);
imageView.setVisibility(View.INVISIBLE);
view.setOnLongClickListener(this);
view.setOnCreateContextMenuListener(this);
}
public void setLongClickListener(LongClickListener lc)
{
this.longClickListener = lc;
}
@Override
public boolean onLongClick(View v) {
this.longClickListener.onItemLongClick(getLayoutPosition());
return false;
}
@Override
public void onCreateContextMenu(ContextMenu menu, View v,
ContextMenu.ContextMenuInfo menuInfo) {
menu.add(0,0,0,"Lock");
menu.add(0,1,0,"UnLock");
}
}
I have found this from google to check the position On Bindview but i dont know how to implement in getItem selected
if (position == eventsList.size() -1){
holder.profileImage.setVisibility(View.INVISIBLE)
}else{
holder.profileImage.setVisibility(View.VISIBLE)
}
MainActvity:
public class MainActivity extends AppCompatActivity implements
RecycleViewAdapter.OnItemClicked{
List<FileName> filenames;
DBhelper dBhelper;
SQLiteDatabase sqLiteDatabase;
ListViewAdapter listViewAdapter;
ListView listView;
ImageView lock;
String name,note;
String col;
private static RecyclerView recyclerView;
RecycleViewAdapter recycleViewAdapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
checkFirstRun();
//listView = (ListView)findViewById(R.id.lv_filename);
recyclerView = (RecyclerView) findViewById(R.id.recycler_view);
lock =(ImageView)findViewById(R.id.lock);
dBhelper = new DBhelper(getApplicationContext());
sqLiteDatabase =dBhelper.getReadableDatabase();
filenames = dBhelper.getItemFromDatabase(sqLiteDatabase);
initViews();
if(filenames != null) {
recycleViewAdapter = new
RecycleViewAdapter(MainActivity.this,filenames);
recyclerView.setAdapter(recycleViewAdapter);
//listViewAdapter = new ListViewAdapter(getApplicationContext(),
R.layout.activity_main, filenames);
//listView.setAdapter(listViewAdapter);
}
recycleViewAdapter.setOnClick(this);
// registerForContextMenu(listView);
/* listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
name = filenames.get(position).getName();
note = filenames.get(position).getShorttext();
Alert();
}
});*/
}
private void initViews() {
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
recyclerView.setHasFixedSize(true);
recyclerView.setItemAnimator(new DefaultItemAnimator());
recyclerView.setLayoutManager(new StaggeredGridLayoutManager(2,
StaggeredGridLayoutManager.VERTICAL));
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.main_menu, menu);
return super.onCreateOptionsMenu(menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.action_add:
Intent intent = new Intent(MainActivity.this, Note.class);
startActivity(intent);
return true;
case R.id.action_pass:
Intent i = new Intent(MainActivity.this, ChangePass.class);
startActivity(i);
return true;
case R.id.action_list:
Intent intent2 = new Intent(MainActivity.this, ToDo.class);
startActivity(intent2);
return true;
default:
return super.onOptionsItemSelected(item);
}
}
public void Alert()
{
View mview = getLayoutInflater().inflate(R.layout.dialog_pass,null);
final EditText mEdittext = (EditText) mview.findViewById(R.id.Epass);
AlertDialog.Builder mBuilder = new AlertDialog.Builder(MainActivity.this);
mBuilder.setView(mview);
mBuilder.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
}
});
mBuilder.setNegativeButton("Cancel",null);
mBuilder.setCancelable(false);
final AlertDialog dialog = mBuilder.create();
dialog.show();
dialog.getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View v)
{
String col = mEdittext.getText().toString();
String password = dBhelper.searchpass(col);
if (col.equals(""))
{
mEdittext.setError("Please fill the blank field");
}
else if (col.equals(password))
{
Intent intent = new Intent(MainActivity.this,Note2.class);
intent.putExtra("Name",name);
intent.putExtra("Note",note);
startActivity(intent);
dialog.dismiss();
}
else {
Toast temp = Toast.makeText(MainActivity.this, "Password does not match", Toast.LENGTH_SHORT);
temp.show();
}
}
});
}
public void checkFirstRun() {
boolean isFirstRun = getSharedPreferences("PREFERENCE", MODE_PRIVATE).getBoolean("isFirstRun", true);
if (isFirstRun){
View view = getLayoutInflater().inflate(R.layout.first_run_dialog,null);
final EditText FirstPass = (EditText) view.findViewById(R.id.Fpass);
final Button submit = (Button)view.findViewById(R.id.ok);
final AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
builder.setCancelable(false);
builder.setView(view);
final AlertDialog dialog1 = builder.create();
submit.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
col = FirstPass.getText().toString();
if (col.equals(""))
{
FirstPass.setError("Please fill the field");
}
else{
savePass();
Toast.makeText(MainActivity.this, "Password Created", Toast.LENGTH_SHORT).show();
dialog1.dismiss();
}
}
});
dialog1.show();
dialog1.setCanceledOnTouchOutside(false);
getSharedPreferences("PREFERENCE", MODE_PRIVATE)
.edit()
.putBoolean("isFirstRun", false)
.apply();
}
}
public void savePass()
{
dBhelper = new DBhelper(this);
sqLiteDatabase= dBhelper.getWritableDatabase();
dBhelper.storePass(col,sqLiteDatabase);
}
@Override
public void onItemClick(int position) {
name = filenames.get(position).getName();
note = filenames.get(position).getShorttext();
Alert();
}
@Override
public boolean onContextItemSelected(MenuItem item) {
recycleViewAdapter.getItemSelected(item);
return super.onContextItemSelected(item);
}
}
My InterFace:
public interface LongClickListener {
void onItemLongClick(int position);
}
