I have a listview with two buttons.
I want replace those two button with textview once I get the response from the server.
How can I achieve this?
After server response:
public void onResponse(String response) {
try {
JSONObject obj = new JSONObject(response);
if (obj.getString("response").equals("1")) {
JSONObject res = new JSONObject(obj.getString("data"));
Toast.makeText(getApplicationContext(), obj.getString("message"), Toast.LENGTH_SHORT).show();
} else {
Toast.makeText(getApplicationContext(), obj.getString("message"), Toast.LENGTH_SHORT).show();
}
} catch (JSONException e) {
e.printStackTrace();
}
}
I have not created any adapter.
you need to extend ArrayAdapter for customizing your listview items.
On your xml, keep both button and text views and for the textview, keep
android:visibility="gone"
initialize both textview and button in your adapter class. when you get the response, enable textview visibility and disable button visibility
textView.setVisilibity(View.VISIBLE);
button.setVisilibity(View.GONE);
ok i understand your problem and the best way is using recyclerview instead of listview , first of all see this example or recyclerview recyclerview example this is simple and best than normal listview ,
second in onBindViewHolder function you can create your own listner like this
#Override
public void onBindViewHolder(ViewHolder holder, int position) {
holder.your_sender_button.setonclickLinstener(new View.OnClickListener { #Override
public void onClick(View view) {
yourActivity.sendTimer(holder.btn1, your_sender_button, holder.your_textview_name);
}
});
}
sendTimer is the function used service to send the timer and the parameters is your views, so when you get the response set the visibility for these views you passed in your function
Related
I have an activity that reads data from firebase database and displays the data in a firebase list adapter. Each item in the list view has 2 edit text and a button for deleting the item from both the list view and the firebase database. Below is the code for displaying the firebase list adapter
adapter =new FirebaseListAdapter <TravelDetails>
( options){
protected void populateView(View v, TravelDetails model, int position) {
Button delete=(Button)v.findViewById(R.id.button_accept);
final TextView z=(TextView)v.findViewById(R.id.dropoff);
final TextView text=(TextView)v.findViewById(R.id.txref);
text.setText(model.getTxt_Ref());
z.setText(model.getDropoffspot());
delete.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {.....
The list view works fine. Data is loaded from firebase, but
I want to be able to use this button delete to delete items from both the list view and firebase database. I did research and only found ways on item click and not using a button, an example is this Android studio remove items from both listview and firebase but I don't know how to apply the principle to the button associated with the item from the database . Kindly render assistance
Below is the code of my adapter class
public class TravelDetails {
private String dropoffspot;
private String txt_Ref;
public TravelDetails(){
}
public String getDropoffspot(){
return dropoffspot;
}
public void setDropoffspot(String dropoffspot){
this.dropoffspot=dropoffspot;
}
public String getTxt_Ref() {
return txt_Ref;
}
public void setTxt_Ref(String txt_Ref) {
this.txt_Ref = txt_Ref;
}
}
You can do this way inside your adapter
// make this function inside your adapter
protected void populateView(View v, ArrayList<TravelDetails> models, final int position) {
Button delete=(Button)v.findViewById(R.id.button_accept);
final TextView z=(TextView)v.findViewById(R.id.dropoff);
final TextView text=(TextView)v.findViewById(R.id.txref);
text.setText(model.getTxt_Ref());
z.setText(model.getDropoffspot());
delete.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
// code to delete from firebase
models.remove(position); // delete from adapter array list
notifyDataSetChanged(); // refresh adapter
}
}
}
I found out how to solve my problem. I simply add this in the delete buttons on click method.
public void onClick(View v) {
DatabaseReference item=adapter.getRef(position) ;
item.removeValue();
}
}) ;
I am trying to disable button after click in RecyclerView from Retrofit response.
Application is using RecyclerView to populate list and I am using Retrofit to communicate to back-end REST API. There are two buttons inside one item and Retrofit client is activated on click. And if response from API is successful button should be disabled. I came across on two problems:
first few items works just fine, but after few scrolls buttons I have never clicked on are disabled also;
second was that little few random buttons further on in list are still clickable.
public void onBindViewHolder(final NewsViewHolder holder, int position) {
holder.btnPositive.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
// init Retrofit Client
JSONPlaceHolderAPI mAPIService;
mAPIService = ApiUtils.getAPIServiceFetch();
mAPIService.getNews(url).enqueue(new Callback<Result>() {
#Override
public void onResponse(Call<Result> call, Response<Result>
response) {
holder.btnPositive.setVisibility(View.GONE);
}
}
#Override
public void onFailure(Call<Result> call, Throwable t) {
// do code
}
});
}
});
holder.btnNegative.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
JSONPlaceHolderAPI mAPIService;
mAPIService = ApiUtils.getAPIServiceFetch();
mAPIService.getNews(url).enqueue(new Callback<Result>() {
#Override
public void onResponse(Call<Result> call, Response<Result>
response) {
holder.btnNegative.setEnabled(false);
}
}
#Override
public void onFailure(Call<Result> call, Throwable t) {
// do code
}
});
}
});
}
I suppose problem is somewhere in Retrofit where it uses background threads or AsyncTask.
This happens as the recycler view recycles(as the name suggests) the view that is visible to you and gives the same set of ids to every set of items which causes this problem .
This problem has 2 solution :
1) Stop the recycle behaviour of recyclerview as follows:-
#Override
public void onBindViewHolder(#NonNull MyViewHolder myViewHolder, int i) {
myViewHolder.setIsRecyclable(false);
}
But i strongly deny to use this cause recycling is reason why we use recyclerview.
2) Using a POJO Class:-
The best solution for it is to use a POJO class which will have two variables the first one is value and the second one is a boolean variable which show is the item disabled or not . Set the value of POJO boolean variable to true for the items u want to disable and in onBindViewHolder method only disable the buttons for the items which has false set in boolean variable .
If you still are confused contact me i will send you an example of it .
You need to hold states of those buttons. You can hold states in items(such as isNegativeEnabled, willPositiveDisplay etc.) of the list that populates recyclerview. When you click positive button, change willPositiveDisplay to false.
list[position].willPositiveDisplay = false;
And check list[position].willPositiveDisplay is true set visibility as visible, if not set as gone. And do this for negative button.
This question already has answers here:
Android : How to set onClick event for Button in List item of ListView
(10 answers)
Closed 4 years ago.
I'm making an inventory tracker app for Android for a practice project. I use SQLite for the storage and my ListView displays the contents of the database using a CursorAdapter. I use CursorLoader to fetch the data from the database
Each row in my ListView has a couple of TextViews and a Button. I plan to use the Button to decrement the quantity column/property of the selected item in the database.
Where do I setup the button OnClick listener? In my Activity class or my CursorAdapter class' bindView()?
Also how can I detect which row the button was pressed on from the button click?
I've already used the ListView's onItemClickListener to send the user to a detailed Activity that display more info about the current row. That had an id argument that gets passed. So I'm finding an equivalent that I can use for the buttons I put on each row.
Look the following. I used the Custom adapter to add the onItemClickListener:
private class MyListAdapter(val ctx: Context, val values: List<MyListInformatin>) : ArrayAdapter<MyListInformatin>(ctx, -1, values) {
override fun getView(position: Int, convertView: View?, parent: ViewGroup?): View {
val inflater = context.getSystemService(Context.LAYOUT_INFLATER_SERVICE) as LayoutInflater
val rowView = inflater.inflate(R.layout.item_my_layout, parent, false)
rowView.setOnClickListener {
val detailsActivity = Intent(ctx, DetailsActivity::class.java)
detailsActivity.putExtra(DetailsActivity.ROUTE_NUMBER_PARAM, values.get(position).routeNumber)
val bundle = Bundle()
bundle.putParcelable(detailsActivity.ROUTE_NO_STRUCTURE_PARAM, values.get(position).strucutre)
detailsActivity.putExtra(detailsActivity.PARAM_BUNDLE, bundle)
ctx.startActivity(detailsActivity)
}
return rowView
}
}
You can create an interface inside your adapter and a declare a fucntion in this interfae like ** void itemClick(int position)** and implement that interface in your activity
for void itemClick(int position) method :- Define it on
holder.setOnClickListener() block like -
viewHolder.button.setOnClickListener(new OnClickListener() {
#Override
public void onClick(View v) {
if (yourInterface != null) {
yourInterface.itemClick(position);
}
}
});
For detailed description refer the below link -
https://www.c-sharpcorner.com/UploadFile/9e8439/create-custom-listener-on-button-in-listitem-listview-in-a/
This question has been answered already, you need to setup your list items as not clickable and manually listen for onClick events of buttons, see a detailed answer here: Android : How to set onClick event for Button in List item of ListView
public class MyCustomAdapter extend Adapter {
private MyOnClickListener mListener;
#Override
public View getView(int position, View view, ViewGroup parent)
{
...
// Your view
mContainer.setOnClickListener(new View.OnClickListener()
{
#Override
public void onClick(View v)
{
mListener.onWholeItemClick(position);
}
});
// Your button
mButton.setOnClickListener(new View.OnClickListener()
{
#Override
public void onClick(View v)
{
mListener.onButtonClick(position);
}
});
}
public void setListener(MyOnClickListener listener) {
this.mListener = listener;
}
// Listener interface
public interface MyOnClickListener() {
void onWholeItemClick(int position); // Can pass data as a parametter
void onButtonClick(int position);
}
}
public class MyActivity extend Activity implement MyOnClickListener() {
...
#Override
public void onCreate(...) {
mAdapter = new MyCustomAdapter(this);
mAdapter.setListener(this); // Pass the listener to adapter
}
#Override
public void onWholeItemClick(int position) {
//
}
#Override
public void onButtonClick(int position) {
//
}
}
That how you can fully hanhle click events
In onBindViewHolder give a tag to that button. that tag can be the position of item or the item itself . ( tag can be object )
override fun onBindViewHolder(holder: ItemHolder, position: Int) {
CUSTOMMODEL item = items[position];
...
holder.button.setTag(item);
//OR
holder.button.setTag(position);
...
holder.button.setOnClickListener(clickListener);
}
in your onClick(View view) method, get tag from the view and you can understand which item is clicked.
How to change text button when click in adapter
I try it's not work
public void setQuestData(final ViewHoder viewHoder, final int position) {
viewHoder.btn_select_qq.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
if (!profileFeedListModelTwos.get(position).getStatus_select().equalsIgnoreCase("SELECTED")){
viewHoder.btn_select_qq.setText("Accepted");
notifyDataSetChanged();
}
notifyDataSetChanged();
}
});
How to fix it ? and where is my problem?
Do not handle the click event inside the adapter class , instead handle it in the fragment using BaseRecyclerViewAdapter.OnRecyclerViewInteractionListener() or adapter listener of the adapter that you are using.
Set position as a tag inside your adapter then use it get the item in your fragment.
Make your adapter extend BaseRecyclerViewAdapter or adapter that you are using
Basic Idea
adapter = new Adapter(enter code here for setting click listener)
Inside YourAdapter just set the clickListener to your view
viewHoder.btn_select_qq.setOnClickListener(this)
Inside your fragment handle the action on click
YourAdapter adapter = new YourAdapter(getActivity(),new BaseRecyclerViewAdapter.OnRecyclerViewInteractionListener() {
#Override
public void onClick(View view) {
int position = (int) view.getTag();
ItemObject item =adapter .getItem(position);
switch (view.getId()) {
case R.id.view1:
//TODO write logic here
break;
case R.id.view2:
//TODO write logic here
break;
case R.id.view3:
//TODO write logic here
break;
}
}
});
I have an activity that has 3 fragments on it with Tabs, one of them is called "TaskFragment".
In my main Activity i only load the fragments.
In TaskFragment i have a RecyclerView that is working fine and is showing the items as intended.
The problem comes, when i insert data using a DialogFragment, because it does insert data (i am using DbFlow ORM), but it does not (of course) refresh the adapter since it is in the TaskFragment fragment inside the DetailMainActivity activity as i said.
I have tried to use onResume() and onPause() in order to refresh the adapter, but they are never called since the activity does not get paused or in onresume for a DialogFragment.
I have tried aswell to use an interface, but it does not work and i have searched all over stackoverflow and google with no luck.
I leave here some of my code for you to understand better:
DetailMainActivity.java
Here in the onClick interface i show the DialogFragment to the user to input the information.
FragmentManager fm = getSupportFragmentManager();
AddSimpleTask sptask = new AddSimpleTask();
sptask.show(fm, "tag");
TaskFragment.java
In this fragment i have my RecyclerView
private void setupRecyclerView() {
mRecyclerView.setAdapter(adapter);
mRecyclerView.setLayoutManager(new GridLayoutManager(getActivity(), 2));
mRecyclerView.setOnTouchListener(new View.OnTouchListener() {
#Override
public boolean onTouch(View v, MotionEvent event) {
if (DetailMainActivity.FAB_Status) {
DetailMainActivity.hideFAB();
DetailMainActivity.FAB_Status = false;
}
return false;
}
});
}
private void setupAdapter() {
adapter = new DetailMainTaskAdapter(simpleTaskList, this);
}
AddSimpleTask
And this is my DialogFragment. I have set a setOnShowListener() in order to avoid the DialogFragment to get dismiss early.
#Override
public void onShow(DialogInterface dialogInterface) {
final AlertDialog dialog =(AlertDialog) getDialog();
if (dialog != null){
Button positiveButton = dialog.getButton(Dialog.BUTTON_POSITIVE);
Button negativeButton = dialog.getButton(Dialog.BUTTON_NEGATIVE);
positiveButton.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
if (mEditTextName.getText().toString().trim().isEmpty() ||
mEditTextContent.getText().toString().trim().isEmpty() ) {
if (mEditTextName.getText().toString().trim().isEmpty()) {
mEditTextName.setError("Can not be empty");
}
if (mEditTextContent.getText().toString().trim().isEmpty()) {
mEditTextContent.setError("Can not be empty");
}
}else {
presenter.beingInsertion(mEditTextName.getText().toString().trim(), mEditTextContent.getText().toString().trim()
, foreignId);
}
}
});
negativeButton.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
dismiss();
}
});
}
}
If the insert is successfully achieved the onInsertSuccess method is called (i am using MVP)
#Override
public void onInsertSuccess() {
Snackbar.make(getActivity().findViewById(R.id.containerMainDetail), "Actividad agregada", Snackbar.LENGTH_SHORT).show();
dismiss();
}
I have called adapter.notifyDataSetChanged() in many places, and i also tried with a custom interface, but i can not make this work.
Sorry for the long post, but thanks in advance for your help.
There are some errors in your statement but I'll get to that later. notifyDataSetChanged() only notifies the adapter that the underlying list (or array) has changed. The implication is that you first need to requery your database and obtain the new list before calling notifyDataSetChanged() on the adapter else there is no point as the underlying list will still be the same and it will not update the adapter.
The correct way of calling this will be through your custom listener interface and not in the onPause()/onResume() callbacks as there is the possibility that the user does not enter a value and hence you will unnecessarily be querying the database. In your custom listener interface implementation, first update the list with the new data from the DB and then notify the adapter.
Which leads to the error in assumption that onPause()/onResume() callbacks do not happen when your Activity is covered by a DialogFragment - this is incorrect. The moment the activity view is even partially covered, the onPause() callback is triggered.