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Kotlin for Android App Development (Paperback)Write More Robust and Maintainable Android Apps with KotlinPeter Sommerhoff takes a practical approach to teaching Kotlin providing a larger set of code listings that demonstrate language features and guiding readers through the development of two Android apps step step. . . . Peter finds a good balance between what is essential and what can be left to readers, so this book is an efficient yet comprehensible source for starting programming with
Write More Robust and Maintainable Android Apps with KotlinPeter Sommerhoff takes a practical approach to teaching Kotlin providing a larger set of code listings that demonstrate language features and guiding readers through the development of two Android apps step step. . . . Peter finds a good balance between what is essential and what can be left to readers, so this book is an efficient yet comprehensible source for starting programming with Kotlin.�Bernhard Rumpe, Professor of Software Engineering, RWTH Aachen UniversityThe Kotlin language brings state-of-the-art programming techniques and constructs to Android development. Kotlin for Android App Development will help you rapidly understand Kotlins principles and techniques, apply Kotlin in production app development, integrate Kotlin with existing Java code, and plan a migration to Kotlin, if you choose.If you have at least basic programming experience (with any language), Peter Sommerhoffs well-crafted overview and examples will help you get quickly up-to-speed with the Kotlin language, its constructs, and its advanced functional and object-oriented capabilities.Once youve mastered these foundations, Sommerhoff walks you through two complete app development projects, introducing best practices and emerging patterns for writing code thats robust, concise, readable, and highly performant. Understand Kotlins goals, principles, advantages, design, and constructs Take full advantage of functional programming in the Kotlin environment Write more concise and reusable code using Kotlins object-oriented features Interoperate with existing Java code, and plan a migration to Kotlin Use coroutines to efficiently handle concurrency Capture data via third-party APIs, map it to internal data representations, and present it to users Master best practices for architecting Kotlin Android apps Improve productivity and readability creating simple domain-specific languages in Kotlin Register your book for convenient access to downloads, updates, and/or corrections as they become available. See inside book for details.Shipping Notes
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4.4 ★★★★★
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Product Reviews
★★★★★ 5
beautiful and sturdy
Size: 48 inch 2 Tier
The shelf is beautiful and sturdy. The only small complaint are the instructions to put it together are deceiving because pieces were put together for shipping purposes (we assume) but didn't actually go together which took us a few times to figure out. I recommend putting it together off the wall before trying it on the wall so you know what pieces go where.
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Reviewed in the United States on February 25, 2026
★★★★★ 1
Cheaply made
Size: 48 inch 2 Tier
I would not recommend this shelf. There are no instructions included - just a simple drawing of putting it together but nowhere says what drill bit size to use for the plastic anchors which are square on the end and not round. In addition, you cannot fully tighten the iron brackets or they won’t alight on the wall to hang the shelf. Each piece of metal piping has part of the black coating stripped off as well. And on top of that, the bottom of each shelf is unfinished and looks as though they used a filler to hide holes in the shelf. Not worth the money or the hassle.
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Reviewed in the United States on March 28, 2026
★★★★★ 5
Looks like it is in picture and very sturdy.
Size: 48 inch 2 Tier
Loved this looks just like picture and is easy to assemble.
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Reviewed in the United States on April 30, 2026
★★★★★ 5
Great product
Size: 48 inch 2 Tier, Size: 48 inch 2 Tier
Love! great value, heavy duty, perfect for my space.
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Reviewed in the United States on January 31, 2026
★★★★★ 4
Good shelf to upgrade my awkward kitchen!
Size: 42 inch 2 Tier
This shelf is exactly what I was looking for for my awkward kitchen in my new house. Don't mind the plywood walls (who knows what the previous owners were thinking 🤣) but anyways, we had this awkward gap between the kitchen counters and the stove, so I got a stainless steel shelf to fill the gap and add some more counterspace, and I found this industrial style pipe shelving, which was the perfect size and height to fit in this gap on the wall and give us more storage/organization space.
It's easy to assemble and hang up, and seems very strong and sturdy. It's a little heavy, but lightweight enough to hang easily. Right out of the box, it was disappointing to see some scuffs in the black paint on the piping, especially for the price. Luckily, the biggest scuff is in a pretty inconspicuous space so it's not a big deal. Definitely not worth returning to see if another one wouldn't have any scuffs (especially since many of the other reviews mentioned scuffs too). It's wabi sabi I suppose 😅
Also, not a single extra screw or hardware was included. Not a big deal, but screws are cheap enough to through in one extra just in case one is missing or lost.
Overall, mostly happy with the purchase. The wood is solid and the shelf looks nice in my kicthen!
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Reviewed in the United States on January 27, 2026