DataLayer
Reference guide for DataLayer class and methods provided by Tealium for Android (Kotlin).
Class: DataLayer
This class provides persistent and volatile data storage for key-value data to be included with every tracked event.
The following methods are available for the DataLayer class.
| Method | Description |
|---|---|
all() |
Retrieves all key-value pairs currently in the data layer |
clear() |
Removes all data from the data layer |
contains() |
Returns true if the key exists in the data layer |
count() |
Returns a count of all values currently in the data layer |
get() |
Retrieves the value for the given key |
getBoolean() |
Retrieves the Boolean for the given key |
getBooleanArray() |
Retrieves the Array<Boolean> for the given key |
getDouble() |
Retrieves the Double for the given key |
getDoubleArray() |
Retrieves the Array<Double> for the given key |
getInt() |
Retrieves the Int for the given key |
getIntArray() |
Retrieves the Array<Int> for the given key |
getJsonArray() |
Retrieves the org.json.JSONArray for the given key |
getJsonObject() |
Retrieves the org.json.JSONObject for the given key |
getLong() |
Retrieves the Long for the given key |
getLongArray() |
Retrieves the Array<Long> for the given key |
getString() |
Retrieves the String for the given key |
getStringArray() |
Retrieves the Array<String> for the given key |
keys() |
Returns a List<String> of all keys currently in the data layer |
putBoolean() |
Stores a Boolean for the given key |
putBooleanArray() |
Stores a Array<Boolean> for the given key |
putDouble() |
Stores a Double for the given key |
putDoubleArray() |
Stores a Array<Double> for the given key |
putInt() |
Stores an Int for the given key |
putIntArray() |
Stores an Array<Int> for the given key |
putJsonArray() |
Stores a org.json.JSONArray for the given key |
putJsonObject() |
Stores a org.json.JSONObject for the given key |
putLong() |
Stores a Long for the given key |
putLongArray() |
Stores a Array<Long> for the given key |
putString() |
Stores a String for the given key |
putStringArray() |
Stores a Array<String> for the given key |
remove() |
Removes the value for the given key |
all
Returns a map of all the key-value pairs currently stored in the data layer.
val dataLayer = tealium.dataLayer.all()
clear
Clears all items currently stored in the data layer.
tealium.dataLayer.clear()
contains
Returns true if the given key exists in the data layer, otherwise false.
| Parameters | Type | Description |
|---|---|---|
key |
String |
The name of the variable to be removed |
tealium.dataLayer.contains("KEY")
count
Returns a the number of items currently stored in the data layer.
tealium.dataLayer.count()
get
Retrieves the value at the given key. Return types match one of the allowed types, else null is returned.
The method gets a variable of type Any (equivalent to Java’s Object). Inspect the type by using type casting or instanceof in order to use the data type appropriately.
| Parameters | Type | Description |
|---|---|---|
key |
String |
The name of the variable to be retrieved |
val any = tealium.dataLayer.get("KEY")
getBoolean
Retrieves the Boolean value at the given key. If the value at this key is not a Boolean, then null is returned.
| Parameters | Type | Description |
|---|---|---|
key |
String |
The name of the variable to be retrieved |
val bool = tealium.dataLayer.getBoolean("KEY")
getBooleanArray
Retrieves the Array<Boolean> value at the given key. If the value at this key is not a Array<Boolean>, then null is returned.
| Parameters | Type | Description |
|---|---|---|
key |
String |
The name of the variable to be retrieved |
val booleanArray = tealium.dataLayer.getBooleanArray("KEY")
getDouble
Retrieves the Double value at the given key. If the value at this key is not a Double, then null is returned.
| Parameters | Type | Description |
|---|---|---|
key |
String |
The name of the variable to be retrieved |
val double = tealium.dataLayer.getDouble("KEY")
getDoubleArray
Retrieves the Array<Double> value at the given key. If the value at this key is not a Array<Double>, then null is returned.
| Parameters | Type | Description |
|---|---|---|
key |
String |
The name of the variable to be retrieved |
val doubleArray = tealium.dataLayer.getDoubleArray("KEY")
getInt
Retrieves the Int value at the given key. If the value at this key is not a Int, then null is returned.
| Parameters | Type |
Description |
|---|---|---|
key |
String |
The name of the variable to be retrieved |
val int = tealium.dataLayer.getInt("KEY")
getIntArray
Retrieves the Array<Int> value at the given key. If the value at this key is not a Array<Int>, then null is returned.
| Parameters | Type | Description |
|---|---|---|
key |
String |
The name of the variable to be retrieved |
val intArray = tealium.dataLayer.getIntArray("KEY")
getJsonArray
Retrieves the org.json.JSONArray value at the given key. If the value at this key is not a JSONArray, then null is returned.
| Parameters | Type | Description |
|---|---|---|
key |
String |
The name of the variable to be retrieved |
val jsonArray = tealium.dataLayer.getJsonArray("KEY")
getJsonObject
Retrieves the org.json.JSONObject value at the given key. If the value at this key is not a JSONObject, then null is returned.
| Parameters | Type | Description |
|---|---|---|
key |
String |
The name of the variable to be retrieved |
val jsonObject = tealium.dataLayer.getJsonObject("KEY")
getLong
Retrieves the Long value at the given key. If the value at this key is not a Long, then null is returned.
| Parameters | Type | Description |
|---|---|---|
key |
String |
The name of the variable to be retrieved |
val long = tealium.dataLayer.getLong("KEY")
getLongArray
Retrieves the Array<Long> value at the given key. If the value at this key is not a Array<Long>, then null is returned.
| Parameters | Type | Description |
|---|---|---|
key |
String |
The name of the variable to be retrieved |
val longArray = tealium.dataLayer.getLongArray("KEY")
getString
Retrieves the String value at the given key. If the value at this key is not a String, then null is returned.
| Parameters | Type | Description |
|---|---|---|
key |
String |
The name of the variable to be retrieved |
val string = tealium.dataLayer.getString("KEY")
getStringArray
Retrieves the Array<String> value at the given key. If the value at this key is not a Array<String>, then null is returned.
| Parameters | Type | Description |
|---|---|---|
key |
String |
The name of the variable to be retrieved |
val stringArray = tealium.dataLayer.getStringArray("KEY")
keys
Returns the List<String> of all keys currently stored in the data layer
tealium.dataLayer.keys()
putBoolean
Stores a Boolean value at the given key.
| Parameters | Type | Description |
|---|---|---|
key |
String |
The name of the variable being stored |
value |
Boolean |
The Boolean value to be store |
expiry |
Expiry |
(Optional) The Expiry time of this variable |
tealium.dataLayer.putBoolean("KEY", true, Expiry.FOREVER)
putBooleanArray
Stores a Array<Boolean> value at the given key.
| Parameters | Type | Description |
|---|---|---|
key |
String |
The name of the variable being stored |
value |
Array<Boolean> |
The Array<Boolean> value to be store |
expiry |
Expiry |
(Optional) The Expiry time of this variable |
tealium.dataLayer.putBooleanArray("KEY", arrayOf(true, false, true), Expiry.FOREVER)
putDouble
Stores a Double value at the given key.
| Parameters | Type | Description |
|---|---|---|
key |
String |
The name of the variable being stored |
value |
Double |
The Double value to be store |
expiry |
Expiry |
(Optional) The Expiry time of this variable |
tealium.dataLayer.putDouble("KEY", 10.5, Expiry.FOREVER)
putDoubleArray
Stores a Array<Double> value at the given key.
| Parameters | Type | Description |
|---|---|---|
key |
String |
The name of the variable being stored |
value |
Array<Double> |
The Array<Double> value to be store |
expiry |
Expiry |
(Optional) The Expiry time of this variable |
tealium.dataLayer.putDoubleArray("KEY", arrayOf(0.1, 10.5), Expiry.FOREVER)
putInt
Stores a Int value at the given key.
| Parameters | Type | Description |
|---|---|---|
key |
String |
The name of the variable being stored |
value |
Int |
The Int value to be store |
expiry |
Expiry |
(Optional) The Expiry time of this variable |
tealium.dataLayer.putInt("KEY", 10, Expiry.FOREVER)
putIntArray
Stores a Array<Int> value at the given key.
| Parameters | Type | Description |
|---|---|---|
key |
String |
The name of the variable being stored |
value |
Array<Int> |
The Array<Int> value to be store |
expiry |
Expiry |
(Optional) The Expiry time of this variable |
tealium.dataLayer.putIntArray("KEY", arrayOf(100, Int.MAX_VALUE), Expiry.FOREVER)
putJsonArray
Stores an org.json.JSONArray value at the given key.
| Parameters | Type | Description |
|---|---|---|
key |
String |
The name of the variable being stored |
value |
JSONArray |
The org.json.JSONArray value to be store |
expiry |
Expiry |
(Optional) The Expiry time of this variable |
val my_list = new JSONArray();
my_list.put("value_1");
my_list.put("value_2");
tealium.dataLayer.putJsonArray("KEY", my_list, Expiry.FOREVER);
putJsonObject
Stores an org.json.JSONObject value at the given key.
| Parameters | Type | Description |
|---|---|---|
key |
String |
The name of the variable being stored |
value |
JSONObject |
The org.json.JSONObject value to be store |
expiry |
Expiry |
(Optional) The Expiry time of this variable |
val my_obj = new JSONObject();
my_obj.put("key", "value");
tealium.dataLayer.putJsonObject("KEY", my_obj, Expiry.FOREVER);
putLong
Stores a Long value at the given key.
| Parameters | Type | Description |
|---|---|---|
key |
String |
The name of the variable being stored |
value |
Long |
The Long value to be store |
expiry |
Expiry |
(Optional) The Expiry time of this variable |
tealium.dataLayer.putLong("KEY", Long.MAX_VALUE, Expiry.FOREVER)
putLongArray
Stores a Array<Long> value at the given key.
| Parameters | Type | Description |
|---|---|---|
key |
String |
The name of the variable being stored |
value |
Array<Long> |
The Array<Long> value to be store |
expiry |
Expiry |
(Optional) The Expiry time of this variable |
tealium.dataLayer.putLongArray("KEY", arrayOf(1000L, Long.MAX_VALUE), Expiry.FOREVER)
putString
Stores a String value at the given key.
| Parameters | Type | Description |
|---|---|---|
key |
String |
The name of the variable being stored |
value |
String |
The String value to be store |
expiry |
Expiry |
(Optional) The Expiry time of this variable |
tealium.dataLayer.putString("KEY", "String Value", Expiry.FOREVER)
putStringArray
Stores a Array<String> value at the given key.
| Parameters | Type | Description |
|---|---|---|
key |
String |
The name of the variable being stored |
value |
Array<String> |
The Array<String> value to be store |
expiry |
Expiry |
(Optional) The Expiry time of this variable |
tealium.dataLayer.putStringArray("KEY",
arrayOf("String 1", "String 2"), Expiry.FOREVER)
remove
Removes the value stored at the given key
| Parameters | Type | Description |
|---|---|---|
key |
String |
The name of the variable to be removed |
tealium.dataLayer.remove("KEY")
This page was last updated: January 7, 2023