如何检索RecyclerView中所有复选框的值？

Question

数据成功添加到firebase中， 然而它只发送了recyclerView的3个数据。

基于什么chatGpt 由于屏幕上只有 3 个 recyclerView，这就是为什么只有 3 个成功检索

这是代码

public void submitButtonFunction(){
        submitButton = findViewById(R.id.submitButton);
            submitButton.setOnClickListener(new View.OnClickListener() {

                @Override
                public void onClick(View v) {
                    if(date!=null) {
                        DatabaseReference dateRef = rootRef.getReference()
                                .child("Subject")
                                .child(courseCode)
                                .child("attendance")
                                .child(date);
                        List<String> selectedCheckBoxes = new ArrayList<>();
                        boolean anyCheckBoxChecked = false;
                        Log.d("Date", date);
                        for (int i = 0; i < recyclerView.getChildCount(); i++) {
                            View view = recyclerView.getChildAt(i);
                            CheckBox attendCheckBox = view.findViewById(R.id.attendCheckBox);
                            CheckBox absentCheckBox = view.findViewById(R.id.absentCheckBox);
                            CheckBox excuseCheckBox = view.findViewById(R.id.excuseCheckBox);

                            if (attendCheckBox.isChecked()) {
                                selectedCheckBoxes.add("Attend");
                                anyCheckBoxChecked = true;
                            } else if (absentCheckBox.isChecked()) {
                                selectedCheckBoxes.add("Absent");
                                anyCheckBoxChecked = true;
                            } else if (excuseCheckBox.isChecked()) {
                                selectedCheckBoxes.add("Excuse");
                                anyCheckBoxChecked = true;
                            } else {
                                Toast.makeText(studentAttendance.this, "Please Check All the checkboxes", Toast.LENGTH_SHORT).show();
                                selectedCheckBoxes.add("Not Checked");
                            }
                            String tempNameMatric = list.get(i).getStudentMatricNo() + " " + list.get(i).getStudentName() ;
                            dateRef.child(tempNameMatric).setValue(selectedCheckBoxes.get(i))
                                    .addOnCompleteListener(new OnCompleteListener<Void>() {
                                        @Override
                                        public void onComplete(@NonNull Task<Void> task) {
                                            Toast.makeText(studentAttendance.this, "Succesful submit attendance", Toast.LENGTH_SHORT).show();

                                        }
                                    });

                        }
                    }else{
                        Toast.makeText(studentAttendance.this, "Please Enter Date Of Attendance", Toast.LENGTH_SHORT).show();

                    }
                }
            });


    }

我已经尝试过 -更改循环条件

i < list.size()

-基于chatGpt

for (int i = 0; i < list.size(); i++) {
                subject currentSubject = list.get(i);
                CheckBox attendCheckBox = recyclerView.findViewHolderForAdapterPosition(i)
                                            .itemView.findViewById(R.id.attendCheckBox);
                CheckBox absentCheckBox = recyclerView.findViewHolderForAdapterPosition(i)
                                            .itemView.findViewById(R.id.absentCheckBox);
                CheckBox excuseCheckBox = recyclerView.findViewHolderForAdapterPosition(i)
                                            .itemView.findViewById(R.id.excuseCheckBox);

Answer 1

尝试安装

 for (int i = 0; i < recyclerView.getChildCount(); i++) {
// all the logic was here
}

上面只会计算并返回当前附加到 RecyclerView 的子视图数量，这几乎是屏幕上的数量。

使用

for (int i = 0; i < recyclerView.getAdapter().getItemCount(); i++) {
    // all of the code remains in here as you have
}

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