Serializing Arrays is not supported, please use Lists instead

John Joe Published at Dev

John Joe

I want to upload image and text to Firebase Realtime Database. Below is my code

var newList : ArrayList<Bitmap> = arrayListOf()    
         .......

private fun insertSellerItemData(mAuth: FirebaseAuth?) {

        val progressDialog = ProgressDialog(this@SellItemActivity)
        progressDialog.setTitle("Image is Uploading...");

        progressDialog.show()

        val userId = FirebaseAuth.getInstance().currentUser?.uid

        val item = Item(tv_title.text.toString(), newList)

        databaseReference = FirebaseDatabase.getInstance().getReference("Items").child(userId)
        databaseReference?.setValue(item)?.addOnCompleteListener { task ->
            if (task.isSuccessful) {
                Toast.makeText(application, "Data successfully added", Toast.LENGTH_SHORT).show()
            } else {
                Toast.makeText(this@SellItemActivity, "You cannot register with this mobile number", Toast.LENGTH_SHORT).show()
            }
        }
}

Item

class Item(val title: String,val newList: ArrayList<Bitmap>) :Serializable{}

Error

 Process: com.example.lyner.authentication, PID: 24574
    com.google.firebase.database.DatabaseException: Serializing Arrays is not supported, please use Lists instead

Edit

I convert Bitmap to Uri before store to firebase

val lt : ArrayList<Uri> = arrayListOf()
        for(i in newList)
        {
           val list = convertBitmaptoUri(i)
            lt.add(list)
        }
val item = Item(tv_title.text.toString(), tv_desc.text.toString(), tv_price.text.toString(),
                tv_category.text.toString(), dueDate, lt)

        databaseReference = FirebaseDatabase.getInstance().getReference("Items").child(userId)
        databaseReference?.setValue(item)?.addOnCompleteListener { task ->
            if (task.isSuccessful) {
                Toast.makeText(application, "Data successfully added", Toast.LENGTH_SHORT).show()
                progressDialog.dismiss()
            } else {
                Toast.makeText(this@SellItemActivity, "You cannot register with this mobile number", Toast.LENGTH_SHORT).show()
                progressDialog.dismiss()
            }
        }

Error

 java.lang.StackOverflowError: stack size 8MB
        at java.lang.reflect.Method.invoke(Native Method)
        at com.google.android.gms.internal.firebase_database.zzku.zzm(Unknown Source:123)
        at com.google.android.gms.internal.firebase_database.zzkt.zzi(Unknown Source:253)
        at com.google.android.gms.internal.firebase_database.zzkt.zzl(Unknown Source:0)
        at com.google.android.gms.internal.firebase_database.zzku.zzm(Unknown Source:185)
        at com.google.android.gms.internal.firebase_database.zzkt.zzi(Unknown Source:253)
        at com.google.android.gms.internal.firebase_database.zzkt.zzl(Unknown Source:0)
        at com.google.android.gms.internal.firebase_database.zzku.zzm(Unknown Source:185)
        at com.google.android.gms.internal.firebase_database.zzkt.zzi(Unknown Source:253)
        at com.google.android.gms.internal.firebase_database.zzkt.zzl(Unknown Source:0)
        at com.google.android.gms.internal.firebase_database.zzku.zzm(Unknown Source:185)
        at com.google.android.gms.internal.firebase_database.zzkt.zzi(Unknown Source:253)
        at com.google.android.gms.internal.firebase_database.zzkt.zzl(Unknown Source:0)
        at com.google.android.gms.internal.firebase_database.zzku.zzm(Unknown Source:185)
        at com.google.android.gms.internal.firebase_database.zzkt.zzi(Unknown Source:253)
        at com.google.android.gms.internal.firebase_database.zzkt.zzl(Unknown Source:0)
        at com.google.android.gms.internal.firebase_database.zzku.zzm(Unknown Source:185)
        at com.google.android.gms.internal.firebase_database.zzkt.zzi(Unknown Source:253)
        at com.google.android.gms.internal.firebase_database.zzkt.zzl(Unknown Source:0)
        at com.google.android.gms.internal.firebase_database.zzku.zzm(Unknown Source:185)
        at com.google.android.gms.internal.firebase_database.zzkt.zzi(Unknown Source:253)
        at com.google.android.gms.internal.firebase_database.zzkt.zzl(Unknown Source:0)
        at com.google.android.gms.internal.firebase_database.zzku.zzm(Unknown Source:185)
        at com.google.android.gms.internal.firebase_database.zzkt.zzi(Unknown Source:253)
        at com.google.android.gms.internal.firebase_database.zzkt.zzl(Unknown Source:0)
        at com.google.android.gms.internal.firebase_database.zzku.zzm(Unknown Source:185)
        at com.google.android.gms.internal.firebase_database.zzkt.zzi(Unknown Source:253)
        at com.google.android.gms.internal.firebase_database.zzkt.zzl(Unknown Source:0)
        at com.google.android.gms.internal.firebase_database.zzku.zzm(Unknown Source:185)
        at com.google.android.gms.internal.firebase_database.zzkt.zzi(Unknown Source:253)
        at com.google.android.gms.internal.firebase_database.zzkt.zzl(Unknown Source:0)
        at com.google.android.gms.internal.firebase_database.zzku.zzm(Unknown Source:185)
        at com.google.android.gms.internal.firebase_database.zzkt.zzi(Unknown Source:253)
        at com.google.android.gms.internal.firebase_database.zzkt.zzl(Unknown Source:0)
        at com.google.android.gms.internal.firebase_database.zzku.zzm(Unknown Source:185)
        at com.google.android.gms.internal.firebase_database.zzkt.zzi(Unknown Source:253)
        at com.google.android.gms.internal.firebase_database.zzkt.zzl(Unknown Source:0)
        at com.google.android.gms.internal.firebase_database.zzku.zzm(Unknown Source:185)
        at com.google.android.gms.internal.firebase_database.zzkt.zzi(Unknown Source:253)
        at com.google.android.gms.internal.firebase_database.zzkt.zzl(Unknown Source:0)
        at com.google.android.gms.internal.firebase_database.zzku.zzm(Unknown Source:185)
        at com.google.android.gms.internal.firebase_database.zzkt.zzi(Unknown Source:253)
        at com.google.android.gms.internal.firebase_database.zzkt.zzl(Unknown Source:0)
        at com.google.android.gms.internal.firebase_database.zzku.zzm(Unknown Source:185)
        at com.google.android.gms.internal.firebase_database.zzkt.zzi(Unknown Source:253)
        at com.google.android.gms.internal.firebase_database.zzkt.zzl(Unknown Source:0)
        at com.google.android.gms.internal.firebase_database.zzku.zzm(Unknown Source:185)
2019-03-24 12:24:59.268 27163-27163/com.example.lyner.authentication E/AndroidRuntime:     at com.google.android.gms.internal.firebase_database.zzkt.zzi(Unknown Source:253)
        at com.google.android.gms.internal.firebase_database.zzkt.zzl(Unknown Source:0)
        at com.google.android.gms.internal.firebase_database.zzku.zzm(Unknown Source:185)

Doug Stevenson

You can't store a Bitmap object in Realtime Database without converting it to a string first. Realtime Database does not make it easy to store binary data. Consider instead storing the raw binary data in Cloud Storage, and store a reference to that file in the database instead.

Collected from the Internet

Please contact [email protected] to delete if infringement.

edited at2020-12-5

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