Read Data From Firestore With Condition

ReadDataFromFirestoreWithCondition

private fun readDataFromFirestore(ageCondition: Int){
        mFirestore = FirebaseFirestore.getInstance()
        mFirestore.firestoreSettings = FirebaseFirestoreSettings.Builder().build()

        mFirestore
                .collection("student_info")
                .whereLessThan("age", ageCondition)
                .get()
                .addOnSuccessListener { documents ->
                    try {
                        if (documents != null) {
                            for (document in documents) {
                                Log.d(TAG, "${document.id} => ${document.data}")
                            }
                            Toast.makeText(mContext, "DocumentSnapshot read successfully!", Toast.LENGTH_LONG).show()
                        } else {
                            Toast.makeText(mContext, "No such document!", Toast.LENGTH_LONG).show()
                        }
                    }catch (ex: Exception){
                        Log.e(TAG, ex.message)
                    }
                }.addOnFailureListener {
                    e -> Log.e(TAG, "Error writing document", e)
                }
    }