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Explain the difference between Parcelable and Serializable interfaces in Android.

Steilla Mitchel24927-Jun-2023

Explain the difference between Parcelable and Serializable interfaces in Android.

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Updated on 28-Jun-2023
Steilla Mitchel

Steilla Mitchel

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Aryan Kumar

Aryan Kumar

28-Jun-2023

Sure. Serializable and Parcelable are two interfaces in Android that allow objects to be passed between components. However, they have some key differences.

  • Serializable: Serializable is a standard Java interface that allows objects to be serialized and deserialized. This means that they can be converted into a byte stream and then back into an object. Serializable is relatively easy to implement, but it can be slow and inefficient.
  • Parcelable: Parcelable is an Android-specific interface that allows objects to be passed between components more efficiently. Parcelable objects are serialized and deserialized using a custom mechanism that is optimized for Android. Parcelable is more complex to implement than Serializable, but it is generally faster and more efficient.

In general, you should use Parcelable when you need to pass objects between components in Android. Parcelable is faster and more efficient than Serializable, and it is also supported by more Android features (such as Intents). However, if you need to pass objects to other Java applications, you may need to use Serializable.

Here is a table that summarizes the key differences between Serializable and Parcelable:

FeatureSerializableParcelable
InterfaceJavaAndroid
SpeedSlowFast
EfficiencyInefficientEfficient
SupportWidely supportedNot as widely supported
Use casesPassing objects between Java applicationsPassing objects between Android components
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