[Android] Pass Object, ArrayList<ModelObject> from Activity or Fragment to Bundle

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[Android] Pass Object, ArrayList<ModelObject> from Activity or Fragment to Bundle

This is an example of passing Object, ArrayList as a bundle.

It is also possible to pass your custom object to other activities using the Bundle class.

There are two ways:

• Serializable interface—for Java and Android
• Parcelable interface—memory efficient, only for Android (recommended)

When using Intent, use it as follows.

Fragment can be used as below.

Java usage examples

Kotlin usage examloes code :

Code for the (Serializable) Item class.

(Parcelable) The code for the Item2 class.

Parcelable

Parcelable processing is much faster than serializable. One of the reasons for this is that we are being explicit about the serialization process instead of using reflection to infer it. It also stands to reason that the code has been heavily optimized for this purpose.

Java code of the sending part.

Java code of the receiving part.

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