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You're reading from  Android UI Development with Jetpack Compose - Second Edition

Product typeBook
Published inNov 2023
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PublisherPackt
ISBN-139781837634255
Edition2nd Edition
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Thomas Künneth
Thomas Künneth
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Thomas Künneth

Thomas Künneth is a Google Developer Expert for Android and has been a speaker and panelist at multiple international conferences about Android. Currently, Thomas works as a senior Android developer at Snapp Mobile. He has authored countless articles as well as one of the top-selling German Android books (currently in its sixth edition). He has also frequently contributed to various open source projects.
Read more about Thomas Künneth

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Moving from components to composable functions

So far, I explained the word component by saying that it refers to UI elements. In fact, the term is used in quite a few other areas. Generally speaking, components structure systems by separating distinct portions or parts of them. The inner workings of a component are typically hidden from the outside (known as the black box principle).

Tip

To learn more about the black box principle, please refer to https://en.wikipedia.org/wiki/Black_box.

Components communicate with other parts of the system by sending and receiving messages. The appearance or behavior of a component is controlled through a set of attributes, or properties.

Consider TextView. We set text by modifying the text property and we control its visibility through visibility. What about sending and receiving messages? Let’s look at Button. We can react to clicks (receive a message) by registering (sending a message) an OnClickListener instance. The same principle...

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Android UI Development with Jetpack Compose - Second Edition
Published in: Nov 2023Publisher: PacktISBN-13: 9781837634255

Author (1)

author image
Thomas Künneth

Thomas Künneth is a Google Developer Expert for Android and has been a speaker and panelist at multiple international conferences about Android. Currently, Thomas works as a senior Android developer at Snapp Mobile. He has authored countless articles as well as one of the top-selling German Android books (currently in its sixth edition). He has also frequently contributed to various open source projects.
Read more about Thomas Künneth