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Questions and Answers
What is primarily used to develop apps for Android devices?
What is primarily used to develop apps for Android devices?
- Python
- Java and Kotlin (correct)
- JavaScript
- C++
Which of the following statements is true regarding the Google Play Store?
Which of the following statements is true regarding the Google Play Store?
- It was created by Android Inc.
- All apps are accessible for free.
- It has over 5 million apps available.
- Less than 5% of apps are paid. (correct)
What was the primary goal of the founders of Android Inc.?
What was the primary goal of the founders of Android Inc.?
- Manufacture hardware for mobile phones.
- Create a social media platform.
- Build a voice recognition system.
- Develop a smarter mobile device. (correct)
What replaces Google TV in the Android ecosystem?
What replaces Google TV in the Android ecosystem?
How many apps are currently available in the Google Play Store?
How many apps are currently available in the Google Play Store?
Which version of Android is designed for digital media players?
Which version of Android is designed for digital media players?
What is the primary purpose of the Android Auto application?
What is the primary purpose of the Android Auto application?
Which of the following options reflects the openness aspect of Android?
Which of the following options reflects the openness aspect of Android?
What is a primary function of the Android system when paired with a vehicle's head unit?
What is a primary function of the Android system when paired with a vehicle's head unit?
Which version of Wear OS allows pairing with mobile phones running Android version 4.3 or newer?
Which version of Wear OS allows pairing with mobile phones running Android version 4.3 or newer?
What key feature was introduced in Android 1.5, also known as Cupcake?
What key feature was introduced in Android 1.5, also known as Cupcake?
What significant functionality was added in Android 1.6, also referred to as Donut?
What significant functionality was added in Android 1.6, also referred to as Donut?
What is the code name for the Android version that was launched in April 2009?
What is the code name for the Android version that was launched in April 2009?
Which of the following features is NOT associated with Android version 2.0/2.1, also known as Eclair?
Which of the following features is NOT associated with Android version 2.0/2.1, also known as Eclair?
What capability does Wear OS support for notifications?
What capability does Wear OS support for notifications?
What was the main market feature of Android 1.0?
What was the main market feature of Android 1.0?
Which Android version introduced support for 800 x 480 resolution screens?
Which Android version introduced support for 800 x 480 resolution screens?
What is the current version of the Android OS mentioned?
What is the current version of the Android OS mentioned?
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Study Notes
Mobile Application Development
- Involves creating software applications for mobile devices like smartphones and tablets.
- Android is an open-source, Linux-based OS, currently the best-selling smartphone system.
- Over 3.5 million apps are available on Android through the Google Play Store.
- Primary programming languages for Android apps are Java and Kotlin.
- Of the apps on Google Play Store, 96.9% are free, while 3.1% are paid.
Background of Android
- Founded in October 2003 in Palo Alto, California, by Andy Rubin and others.
- Initially aimed to develop smarter mobile devices with user awareness.
- Operated with secrecy, focusing on software for mobile phones.
Android Variants
- Android TV: Tailored for digital media players, replaces Google TV; integrates voice search and content discovery features.
- Android Auto: Mirrors Android device features to compatible car infotainment systems, supporting navigation, music, and communication apps.
- Wear OS: Designed for smartwatches, integrates Google Assistant and notifications; works with Android and iOS devices.
- Additional devices running Android include washing machines, cameras, and tablets.
Android Versions
- More than 2 billion active Android devices; evolves with periodic version releases, each with code names in alphabetical order.
- Current major version is Android Oreo (8.0).
- Android 1.0: Launched with core features like Gmail and Google Calendar; only 35 apps available.
- Android 1.5 (Cupcake): Introduced animated transitions, video uploads, and a virtual keyboard; first version with a code name.
- Android 1.6 (Donut): Enhanced photo selection, supported various screen sizes, and added voice search functionality.
- Android 2.0/2.1 (Eclair): Focused on media features, introduced speech-to-text and improved keyboard, multiple home screens, and account sync.
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