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The R.java file in Android is the place where you define int-type variables. These variables refer to resources used in the current Android application. The resources are accessed by a process known as resource retrieval. In Android, resource retrieval is handled using the XML resource-reference syntax. A resource reference is a reference to a file, …

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Objects are passed between activities by means of intents, which are basically small messages that can be used to store data. Parcelable can make this process simpler and less error-prone, since it eliminates the need to serialize data and remember its field names. Parcelable is implemented by Android through the Parcelable interface, which allows you …

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