java.lang.NoSuchMethodException: <init> [class android.view.View]. getting this error while trying to use button in recycleview

Question

I am trying to make a sample app using the FirebaseRecyclerAdapter but keep getting the error java.lang.NoSuchMethodException: [class android.view.View]

I am fetching the data from firebase real time database. I but in the recycleview, i can't use any navigation button.

Here is my Activity code:


import android.content.Context;
import android.content.Intent;
import android.support.annotation.NonNull;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

import com.example.location_tracking.Users.Employee;
import com.firebase.ui.database.FirebaseRecyclerAdapter;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.squareup.picasso.Picasso;

import de.hdodenhof.circleimageview.CircleImageView;

public class AdminPanelActivity extends AppCompatActivity {

    private RecyclerView mEmployeeList;

    private DatabaseReference mEmployeeDatabase;



    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_admin_panel);

        mEmployeeDatabase = FirebaseDatabase.getInstance().getReference().child("Employee");

        mEmployeeList = (RecyclerView) findViewById(R.id.recyclerViewEmplyeeList);
        mEmployeeList.setHasFixedSize(true);
        mEmployeeList.setLayoutManager(new LinearLayoutManager(this));

    }

    @Override
    protected void onStart() {
        super.onStart();

        FirebaseRecyclerAdapter<Employee, EmployeeViewHolder> firebaseRecyclerAdapter = new FirebaseRecyclerAdapter<Employee, EmployeeViewHolder>(
                Employee.class,
                R.layout.recycle_list_single_user,
                EmployeeViewHolder.class,
                mEmployeeDatabase
        ) {
            @Override
            protected void populateViewHolder(EmployeeViewHolder viewHolder, Employee model, int position) {

                viewHolder.setName(model.getName());
                viewHolder.setEmployeeImage(model.getImage(), getApplicationContext());
                final String user_id = getRef(position).getKey();
                viewHolder.attendanceButton.setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        startActivity(new Intent(AdminPanelActivity.this,AttenadnceActivity.class));
                    }
                });


            }
        };

        mEmployeeList.setAdapter(firebaseRecyclerAdapter);

    }

    public static class EmployeeViewHolder extends RecyclerView.ViewHolder {

        View mView;

        View attendanceButton;

        public EmployeeViewHolder(@NonNull View itemView,View button) {
            super(itemView);
            mView = itemView;
            attendanceButton = (Button) button.findViewById(R.id.button_attendance);
        }

        public void setName(String name) {
            TextView EmployeeNameView = mView.findViewById(R.id.textViewSingleListName);
            EmployeeNameView.setText(name);
        }

        public void setEmployeeImage(String image, Context ctx) {
            CircleImageView EmployeeImageView = (CircleImageView) mView.findViewById(R.id.circleImageViewUserImage);

            Picasso.with(ctx).load(image).placeholder(R.drawable.user_img).into(EmployeeImageView);
        }

    }

}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.android.support:appcompat-v7:28.0.0'
    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
    implementation 'com.google.firebase:firebase-messaging:17.3.4'
    implementation 'com.google.firebase:firebase-auth:16.0.5'
    implementation 'com.google.firebase:firebase-database:16.0.4'
    implementation 'com.firebaseui:firebase-ui-database:1.2.0'


    implementation 'com.theartofdev.edmodo:android-image-cropper:2.7.+'
    implementation 'de.hdodenhof:circleimageview:2.2.0'

    implementation 'id.zelory:compressor:2.1.0'

    implementation 'com.squareup.picasso:picasso:2.5.2'

    implementation 'com.squareup.okhttp3:okhttp:3.11.0'
    implementation 'org.greenrobot:eventbus:3.0.0'

    implementation 'com.android.support:recyclerview-v7:28.0.0-alpha3'
    implementation 'com.android.support:gridlayout-v7:28.0.0-alpha3'
    implementation 'com.android.support:cardview-v7:28.0.0-alpha3'

    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.2'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
}

My XMl code:

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/relativeLayout"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="#ccc"
    android:layout_margin="5dp"
    android:padding="10dp">

    <de.hdodenhof.circleimageview.CircleImageView
        android:id="@+id/circleImageViewUserImage"
        android:layout_width="64dp"
        android:layout_height="64dp"
        android:layout_marginTop="16dp"
        android:src="@drawable/user_img"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <TextView
        android:id="@+id/textViewSingleListName"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="15dp"
        android:text="Employee Name"
        android:textColor="#000000"
        android:textStyle="bold"
        app:layout_constraintStart_toEndOf="@+id/circleImageViewUserImage"
        app:layout_constraintTop_toTopOf="@+id/circleImageViewUserImage" />

    <Button
        android:id="@+id/button_attendance"
        android:layout_width="wrap_content"
        android:layout_height="36dp"
        android:layout_marginStart="228dp"
        android:layout_marginTop="44dp"
        android:background="@color/red"
        android:padding="7dp"
        android:text="Attendence"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <Button
        android:id="@+id/button2"
        android:layout_width="wrap_content"
        android:layout_height="36dp"
        android:layout_marginStart="72dp"
        android:layout_marginTop="44dp"
        android:background="@color/colorButton"
        android:padding="7dp"
        android:text="Show location"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />


</android.support.constraint.ConstraintLayout>

Recycleview

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".AdminPanelActivity">

    <android.support.v7.widget.RecyclerView
        android:id="@+id/recyclerViewEmplyeeList"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_marginTop="5sp">
    </android.support.v7.widget.RecyclerView>

</LinearLayout>

the ERROR:

    Process: com.example.location_tracking, PID: 8939
    java.lang.RuntimeException: java.lang.NoSuchMethodException: <init> [class android.view.View]
        at com.firebase.ui.database.FirebaseRecyclerAdapter.onCreateViewHolder(FirebaseRecyclerAdapter.java:171)
        at android.support.v7.widget.RecyclerView$Adapter.createViewHolder(RecyclerView.java:6748)
        at android.support.v7.widget.RecyclerView$Recycler.tryGetViewHolderForPositionByDeadline(RecyclerView.java:5929)
        at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:5812)
        at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:5808)
        at android.support.v7.widget.LinearLayoutManager$LayoutState.next(LinearLayoutManager.java:2230)
        at android.support.v7.widget.LinearLayoutManager.layoutChunk(LinearLayoutManager.java:1557)
        at android.support.v7.widget.LinearLayoutManager.fill(LinearLayoutManager.java:1517)
        at android.support.v7.widget.LinearLayoutManager.onLayoutChildren(LinearLayoutManager.java:612)
        at android.support.v7.widget.RecyclerView.dispatchLayoutStep2(RecyclerView.java:3878)
        at android.support.v7.widget.RecyclerView.dispatchLayout(RecyclerView.java:3595)
        at android.support.v7.widget.RecyclerView.consumePendingUpdateOperations(RecyclerView.java:1842)
        at android.support.v7.widget.RecyclerView$1.run(RecyclerView.java:361)
        at android.view.Choreographer$CallbackRecord.run(Choreographer.java:925)
        at android.view.Choreographer.doCallbacks(Choreographer.java:737)
        at android.view.Choreographer.doFrame(Choreographer.java:666)
        at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:911)
        at android.os.Handler.handleCallback(Handler.java:790)
        at android.os.Handler.dispatchMessage(Handler.java:99)
        at android.os.Looper.loop(Looper.java:192)
        at android.app.ActivityThread.main(ActivityThread.java:6760)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:826)
     Caused by: java.lang.NoSuchMethodException: <init> [class android.view.View]
        at java.lang.Class.getConstructor0(Class.java:2320)
        at java.lang.Class.getConstructor(Class.java:1725)
        at com.firebase.ui.database.FirebaseRecyclerAdapter.onCreateViewHolder(FirebaseRecyclerAdapter.java:168)
        at android.support.v7.widget.RecyclerView$Adapter.createViewHolder(RecyclerView.java:6748) 
        at android.support.v7.widget.RecyclerView$Recycler.tryGetViewHolderForPositionByDeadline(RecyclerView.java:5929) 
        at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:5812) 
        at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:5808) 
        at android.support.v7.widget.LinearLayoutManager$LayoutState.next(LinearLayoutManager.java:2230) 
        at android.support.v7.widget.LinearLayoutManager.layoutChunk(LinearLayoutManager.java:1557) 
        at android.support.v7.widget.LinearLayoutManager.fill(LinearLayoutManager.java:1517) 
        at android.support.v7.widget.LinearLayoutManager.onLayoutChildren(LinearLayoutManager.java:612) 
        at android.support.v7.widget.RecyclerView.dispatchLayoutStep2(RecyclerView.java:3878) 
        at android.support.v7.widget.RecyclerView.dispatchLayout(RecyclerView.java:3595) 
        at android.support.v7.widget.RecyclerView.consumePendingUpdateOperations(RecyclerView.java:1842) 
        at android.support.v7.widget.RecyclerView$1.run(RecyclerView.java:361) 
        at android.view.Choreographer$CallbackRecord.run(Choreographer.java:925) 
        at android.view.Choreographer.doCallbacks(Choreographer.java:737) 
        at android.view.Choreographer.doFrame(Choreographer.java:666) 
        at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:911) 
        at android.os.Handler.handleCallback(Handler.java:790) 
        at android.os.Handler.dispatchMessage(Handler.java:99) 
        at android.os.Looper.loop(Looper.java:192) 
        at android.app.ActivityThread.main(ActivityThread.java:6760) 
        at java.lang.reflect.Method.invoke(Native Method) 
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438) 
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:826) 
2019-05-26 07:08:46.529 8939-8949/com.example.location_tracking I/zygote64: Do partial code cache collection, code=30KB, data=18KB
2019-05-26 07:08:46.530 8939-8949/com.example.location_tracking I/zygote64: After code cache collection, code=30KB, data=18KB
2019-05-26 07:08:46.530 8939-8949/com.example.location_tracking I/zygote64: Increasing code cache capacity to 128KB
2019-05-26 07:08:46.619 8939-8939/com.example.location_tracking I/Process: Sending signal. PID: 8939 SIG: 9

At which line of code does that error occur? Please responde with @AlexMamo — Alex Mamo
– Alex Mamo, Commented May 26, 2019 at 7:32
@ismailalaoui please check the dependencies. I posted it again. — Naim Chowdhury
– Naim Chowdhury, Commented May 26, 2019 at 13:30
there is no specific error in line of code. I gave the error that is showing in LOGCAT. please check @AlexMamo — Naim Chowdhury
– Naim Chowdhury, Commented May 26, 2019 at 13:33

ismail alaoui · Accepted Answer · 2019-05-26 02:12:51Z

0

Most likely your custom ViewHolder subclass is:

missing a constructor public MyViewHolder(View itemView) {... }

you should get your button this way :

attendanceButton = (Button) itemView.findViewById(R.id.button_attendance);

instead of this :

attendanceButton = (Button) button.findViewById(R.id.button_attendance);

answered May 26, 2019 at 2:12

ismail alaoui

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Comments

Community · Accepted Answer · 2020-06-20 09:12:55Z

According to the stack info maybe because you customize the ViewHolder constructor but did not create the ViewHolder instance correctly.
This is the README file of FirebaseRecyclerAdapter.
If you got a customized ViewHolder you should override the onCreateViewHolder method to create your EmployeeViewHolder

Here is a similar problem Question like yours, his problem is ViewHolder constructor not public and create ViewHolder failed. So the problem is the Customized ViewHolder instance not create successfully!

I didn't sure this works but you can try it.

FirebaseRecyclerAdapter adapter = new FirebaseRecyclerAdapter<Chat, ChatHolder>(options) {
    @Override
    public ChatHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        // Create a new instance of the ViewHolder, in this case we are using a custom
        // layout called R.layout.message for each item


        //replace your own layout file R.layout.recycle_list_single_user
        View view = LayoutInflater.from(parent.getContext())
                .inflate(R.layout.message, parent, false);

        //create your own EmployeeViewHolder
        return new ChatHolder(view);
    }

    @Override
    protected void onBindViewHolder(ChatHolder holder, int position, Chat model) {
        // Bind the Chat object to the ChatHolder
        // ...
    }
};

And last maybe you should replace your constructor from

EmployeeViewHolder(@NonNull View itemView,View button)

to

EmployeeViewHolder(View itemView)

because there is no need to pass second param at all according to the code, you can init the attendanceButton with itemView.findViewById

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