android-recyclerview

问题 I have a RecyclerView that shows the list of files exist in the app directory . Now, when user click on a particular row , that file will open. This is the Screenshot of my RecyclerView : This is The viewHolder of my Adapter code : // =========================== ViewHolder ========================== public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener { private TextView txtTitle; private ImageView imgDelete; public ViewHolder(View itemView) { super(itemView)

问题 I have a RecyclerView that shows the list of files exist in the app directory . Now, when user click on a particular row , that file will open. This is the Screenshot of my RecyclerView : This is The viewHolder of my Adapter code : // =========================== ViewHolder ========================== public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener { private TextView txtTitle; private ImageView imgDelete; public ViewHolder(View itemView) { super(itemView)

问题 I need to create recyclerview cardview in fragment from the data that is written in a DiagloFragment What would you do? How can I create a recycler view with the list once I press the button "HECHO"? IMAGE CAPTURE DATA Can you explain to me what should I do or even post an example please (done by you or posted somewhere else)? Beforehand thank you very much. DialogFragment class: @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { //

问题 I have the following on onBindViewHolder() in Adapter Class for RecyclerView: holder.answerEditText.setOnFocusChangeListener(new View.OnFocusChangeListener() { @Override public void onFocusChange(View v, boolean hasFocus) { if(!hasFocus){ String answer = holder.answerEditText.getText().toString(); mDatasetAnswers.add(answer); } } }); The above only returns input from the first editText in the recyclerview. What could I be doing wrong? I would like it to return text from all EditTexts in the

问题 I have the following on onBindViewHolder() in Adapter Class for RecyclerView: holder.answerEditText.setOnFocusChangeListener(new View.OnFocusChangeListener() { @Override public void onFocusChange(View v, boolean hasFocus) { if(!hasFocus){ String answer = holder.answerEditText.getText().toString(); mDatasetAnswers.add(answer); } } }); The above only returns input from the first editText in the recyclerview. What could I be doing wrong? I would like it to return text from all EditTexts in the

问题 I'm writing a program, where I'm fetching data from Firebase Database using FirebaseRecyclerAdapter I'm trying to implement a functionality to add 20 records on every scroll and to achieve same, I'm using: mDatabaseReference = FirebaseDatabase.getInstance().getReference().child("Users"); queryUsersData = mDatabaseReference.orderByChild("timestamp").limitToFirst(20); Now, the issue is I'm getting first 20 records, but on scroll I'm not getting next 20 records, as on every scroll, I want to get

问题 I'm writing a program, where I'm fetching data from Firebase Database using FirebaseRecyclerAdapter I'm trying to implement a functionality to add 20 records on every scroll and to achieve same, I'm using: mDatabaseReference = FirebaseDatabase.getInstance().getReference().child("Users"); queryUsersData = mDatabaseReference.orderByChild("timestamp").limitToFirst(20); Now, the issue is I'm getting first 20 records, but on scroll I'm not getting next 20 records, as on every scroll, I want to get

问题 In my android app I have one activity to show a RecyclerView in which each row is composed by a TextView and 2 buttons. Just like that: Well, following many explanations of internet I have made this Adapter: public class ListAdapter extends RecyclerView.Adapter<ListAdapter.ViewHolder> { private LayoutInflater layoutInflater; protected Vector<List> lists; public ListAdapter(Context context, Vector lists) { layoutInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER

问题 Here is my code :- Favourite Activity import android.content.Context import android.content.Intent import android.os.Bundle import android.view.LayoutInflater import android.view.View import android.view.ViewGroup import android.widget.ImageView import android.widget.TextView import android.widget.Toast import androidx.appcompat.app.AppCompatActivity import androidx.appcompat.widget.Toolbar import androidx.core.content.ContextCompat.startActivity import androidx.recyclerview.widget

问题 I have a RecyclerView list of CardViews that hold a small amount of user data. The data is saved to the app's SQLite database. I would like to send a CardView's data from one app user to another via SMS/MMS. The SMS is sent when the user clicks the share icon on the CardView. Then when the receiving user clicks on the image in the SMS text, the app would be opened/brought to the forefront, the data would be saved in the recipient's SQLite database and then the RecyclerView list would be shown