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  • Checking for Google Play Services with Kotlin

    calendar Aug 5, 2022 · 2 min read  ·
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    Checking for Google Play Services with Kotlin

    In many countries we can assume Android users use devices that have Google Play Services pre-installed, but not every Android device in the world actually does. It's possible that code written with the assumption that Play Services is available may crash--something we certainly don't want. What we do want is to have …


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  • Adding a dropdown menu to a Jetpack Compose TopAppBar

    calendar Sep 19, 2021 · 4 min read  ·
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    Adding a dropdown menu to a Jetpack Compose TopAppBar

    Adding a dropdown menu to a Jetpack ComposeTopAppBar is quite easy, but simple examples aren't so easy to find! This post has a canonical example to use as a basis for your dropdown menu. Add a Scaffold that Includes a TopAppBar The first step is to create the Compose view as a Scaffold that assigns a new TopAppBar to …


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Rob Kerr

Technologist, software developer. Blogging here about iOS & Android Development & various tech topics.
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Featured Posts

  • Checking for Google Play Services with Kotlin
  • Accepting Credit Cards for In-App Purchase of Physical Goods
  • Apple’s new Unlisted App Distribution model
  • Create an ESP32 BLE peripheral for iOS #1

Recent Posts

  • Checking for Google Play Services with Kotlin
  • Accepting Credit Cards for In-App Purchase of Physical Goods
  • Apple’s new Unlisted App Distribution model
  • Check if a SwiftUI View is in Preview
  • Adding a dropdown menu to a Jetpack Compose TopAppBar
  • Create an ESP32 BLE peripheral for iOS #2
  • Create an ESP32 BLE peripheral for iOS #1
  • Migrating Swift API Calls to Async Await

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