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You're reading from  Android 9 Development Cookbook - Third Edition

Product typeBook
Published inOct 2018
Reading LevelIntermediate
PublisherPackt
ISBN-139781788991216
Edition3rd Edition
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Author (1)
Rick Boyer
Rick Boyer
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Rick Boyer

Rick Boyer has been programming professionally for over 20 years. He has written apps on Windows, created websites, and coded for various mobile devices, including Windows CE, Windows Phone, and Android. Almost eight years ago, he took the plunge and started his own software consulting business, NightSky Development, focusing exclusively on Android development.
Read more about Rick Boyer

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Using Contextual Batch Mode with RecyclerView


As discussed in the previous recipe, Contextual Mode supports two forms of use: single View mode (as demonstrated) and multiple selection (or batch) mode. Batch mode is where Contextual Mode outperforms the old-style context menu as multiple selections were not supported.

If you've ever used an email app such as Gmail or a file browser, you've probably seen Contextual Mode when selecting multiple items. Here is a screenshot from Solid Explorer, which shows an excellent implementation of Material Theme and Contextual Mode:

When we introduced RecyclerView in Chapter 2, Layouts, we discussed how many features from the old ListView were not already included in the new RecyclerView. Multiple item selection is one of the most missed features. In this recipe, we will demonstrate multiple item selection with the RecyclerView using Action Mode. 

Getting ready

We will use the RecyclerView example created in Chapter 2, Layouts as the base for this recipe. If...

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Android 9 Development Cookbook - Third Edition
Published in: Oct 2018Publisher: PacktISBN-13: 9781788991216

Author (1)

author image
Rick Boyer

Rick Boyer has been programming professionally for over 20 years. He has written apps on Windows, created websites, and coded for various mobile devices, including Windows CE, Windows Phone, and Android. Almost eight years ago, he took the plunge and started his own software consulting business, NightSky Development, focusing exclusively on Android development.
Read more about Rick Boyer