Android Parceling support for the Kotlinx Serialization library.
// Add to Android Intent
intent.putExtra(name = "com.example.MyModel", value = myModel, serializer = MyModel.serializer())
// Retrieve from Android Intent
val result = intent.getParcelableExtra(name = "com.example.MyModel", deserializer = MyModel.serializer())
check(result == myModel) // True
// Compose
val result = rememberSavable(serializer = MyModel.serializer()) { MyModel(...) }All serialization for an Android or Multi-platform project can be handled from a single library, no need to create both
custom Android Parcelers and Serializers. Use
the Kotlinx Serialization library, and it will automatically work
with Android's Parcel, Bundle, and Intent.
The library is provided through Repsy.io. Checkout
the releases page to get the latest version.
repositories {
maven { url = uri("https://repo.repsy.io/mvn/chrynan/public") }
}implementation("com.chrynan.parcelable:parcelable-core:$VERSION")implementation("com.chrynan.parcelable:parcelable-compose:$VERSION")Similar to the Json object introduced by
the Kotlinx Serialization library, this library introduces a
Parcelable object. The extension functions default to using the Parcelable.Default value if a Parcelable instance
is not provided, but if customization is required, an instance can be created as follows:
val parcelable = Parcelable {
serializersModule = mySerializersModule
}Utilize the Kotlinx Serialization to serialize your model classes.
These classes can then be used with Android's Bundle, Intent, and Parcel objects.
@Serializable
data class MyModel(
val intField: Int,
val stringField: String,
val nullableStringField: String? = null
)// Put
intent.putExtra(key, myModel, parcelable)
bundle.putParcelable(key, myModel, parcelable)
// Get
val myModel = intent.getParcelableExtra(key, parcelable)
val myModel = bundle.getParcelable(key, parcelable)// To
parcelable.encodeToParcel(parcel, myModel)
val bundle = parcelable.encodeToBundle(myModel)
// From
val myModel = parcelable.decodeFromParcel(parcel)
val myModel = parcelable.decodeFromBundle(bundle)val model = rememberSavable(parcelable = parcelable, serializer = MyModel.serializer) { myModel }This library is a Kotlin Multi-platform library and supports Android, iOS, JVM, and JS Kotlin targets. The Parcelable
and Parcel objects are available in the common source set and can be used to encode and decode models. Then, in
platform specific code, the Parcels can be stored and retrieved between different components (ex: Android Intents).
// Common Code
val parcel = parcelable.encodeToParcel(serializer = MyModel.serializer(), value = myModel)
// Android Code
Bundle().readFromParcel(parcel)More detailed documentation is available in the docs folder. The entry point to the documentation can be found here.
The sample-android module contains an Android App showcasing the use of this library and providing a means to test
parceling different models.
Simply update the ExpectedModel.model value to be any Serializable class and run the application to test if the
parceling worked.
For security vulnerabilities, concerns, or issues, please responsibly disclose the information either by opening a public GitHub Issue or reaching out to the project owner.
Outside contributions are welcome for this project. Please follow the code of conduct and coding conventions when contributing. If contributing code, please add thorough documents. and tests. Thank you!
Support this project by becoming a sponsor of my work! And make sure to give the repository a ⭐
Copyright 2021 chRyNaN
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
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