RecyclerView error

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Lỗi : The application may be doing too much work on its main thread." là do bạn thực hiện nhiều task vụ nặng ở luồng UI thread thôi . Ko liên quan gì đến RecyclerView ở đây cả .

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Hỏi đáp android : http://bit.ly/24Ckin7

`public class Data {

public static ArrayList<Information> getData(){
    ArrayList<Information> data = new ArrayList<>();
    int[] images = {
            R.drawable.mocchau1,
            R.drawable.mocchau2,
            R.drawable.mocchau3
    };
    String[] Categories = {"Moc Chau 1","Moc Chau 2", "Moc Chau 3"};

    for (int i=0; i<images.length;i++){
        Information current = new Information();
        current.imageId = images[i];
        current.title = Categories[i];
        data.add(current);
    }

    return data;
}

}public class Information {

public int imageId;
public String title;

}public class MainActivity extends AppCompatActivity {
RecyclerView recyclerView;
MyCustomAdapter adapter;

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

    recyclerView = (RecyclerView) findViewById(R.id.recycleView);
    adapter = new MyCustomAdapter(this, Data.getData());
    recyclerView.setAdapter(adapter);
    recyclerView.setLayoutManager(new LinearLayoutManager(this));
}

}public class MyCustomAdapter extends RecyclerView.Adapter<MyCustomAdapter.MyViewHolder> {
Context context;
ArrayList data;
LayoutInflater inflater;

public MyCustomAdapter(Context context, ArrayList<Information> data) {
    this.context = context;
    this.data = data;
    inflater = LayoutInflater.from(context);
}

@Override
public MyViewHolder onCreateViewHolder(ViewGroup parent, int position) {
    View view = inflater.inflate(R.layout.list_item_row, parent, false);
    MyViewHolder holder = new MyViewHolder(view);
    return holder;
}

@Override
public void onBindViewHolder(MyViewHolder holder, int position) {
    holder.textView.setText(data.get(position).title);
    holder.imageView.setImageResource(data.get(position).imageId);
}

@Override
public int getItemCount() {
    return data.size();
}

class MyViewHolder extends RecyclerView.ViewHolder {
    TextView textView;
    ImageButton imageView;

    public MyViewHolder(View itemView) {
        super(itemView);

        textView = (TextView) itemView.findViewById(R.id.txv_row);
        imageView = (ImageButton) itemView.findViewById(R.id.img_row);
    }
}

}`
sửa dùm với ạ

còn đây là giao diện file activity_main.xml
`

<android.support.v7.widget.RecyclerView
    android:id="@+id/recycleView"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

</android.support.v7.widget.RecyclerView>

<LinearLayout
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <ImageButton

        android:id="@+id/img_row"
        android:layout_width="match_parent"
        android:layout_height="200dp" />


    <TextView
        android:id="@+id/txv_row"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:layout_marginLeft="10dp"
        android:text="Hello How Are you" />

    <LinearLayout
        android:id="@+id/linearLayout"
        android:layout_width="match_parent"

        android:layout_height="60dp"
        android:layout_below="@id/txv_row"
        android:background="@color/colorPrimary"
        android:orientation="horizontal">


        <LinearLayout
            android:layout_width="150dp"
            android:layout_height="match_parent"
            android:layout_marginTop="15dp"
            android:orientation="horizontal">

            <ImageButton
                android:layout_width="20dp"
                android:layout_height="20dp"


                android:layout_marginLeft="16dp"
                android:background="@drawable/star" />

            <ImageButton
                android:layout_width="20dp"
                android:layout_height="20dp"

                android:layout_marginLeft="5dp"

                android:background="@drawable/star" />

            <ImageButton
                android:layout_width="20dp"
                android:layout_height="20dp"

                android:layout_marginLeft="5dp"


                android:background="@drawable/star" />

            <ImageButton
                android:layout_width="20dp"
                android:layout_height="20dp"


                android:layout_marginLeft="5dp"

                android:background="@drawable/star" />

            <ImageButton
                android:layout_width="20dp"
                android:layout_height="20dp"


                android:layout_marginLeft="5dp"

                android:background="@drawable/star" />
        </LinearLayout>

        <LinearLayout
            android:layout_width="220dp"
            android:layout_height="match_parent"
            android:layout_marginTop="5dp"
         >

            <ImageButton
                android:layout_width="40dp"
                android:layout_height="40dp"


                android:background="@drawable/heart" />

            <ImageButton
                android:layout_width="40dp"
                android:layout_height="40dp"


                android:layout_marginLeft="15dp"
                android:background="@drawable/chat" />

            <ImageButton
                android:layout_width="40dp"
                android:layout_height="40dp"

                android:layout_marginLeft="15dp"
                android:background="@drawable/share" />
            <ImageButton
                android:layout_width="40dp"
                android:layout_height="40dp"


                android:layout_marginLeft="15dp"
                android:background="@drawable/placeholder" />


        </LinearLayout>
    </LinearLayout>


</LinearLayout>

</android.support.v7.widget.CardView>`

holder.imageView.setImageResource(data.get(position).imageId);

Mình nghĩ có thể do 3 cái ảnh của bạn nặng , tuy bạn get nó từ drawable ra .
Bạn thử ảnh hơn xem sao.

đúng rôi nó cứ báo dòng đó,thử ảnh hơn là sao bạn