1. android
Android is a free and open source operating system based on the Linux kernel (excluding GNU components). It is mainly used in mobile devices, such as smartphones and tablets, and is led and developed by the American Google Company and the Open Handset Alliance. The Android operating system was originally developed by Andy Rubin and mainly supports mobile phones. In August 2005, it was acquired and invested by Google. In November 2007, Google formed the Open Handset Alliance with 84 hardware manufacturers, software developers and telecom operators to jointly develop and improve the Android system. Google then released the Android source code under the Apache open source license.
1. android
Android (Android) is a free and open source operating system based on the Linux kernel (without GNU components). Mainly used in mobile devices, such as smart phones and tablet computers, led and developed by Google and the Open Handset Alliance in the United States. The Android operating system was originally developed by Andy Rubin and mainly supports mobile phones. In August 2005, it was acquired and invested by Google. In November 2007, Google and 84 hardware manufacturers, software developers and telecom operators formed the Open Handset Alliance to jointly develop and improve the Android system. Subsequently, Google released the source code of Android under the authorization of the Apache open source license.
2. Android SDK
Android SDK refers to Android-specific software development kit, which includes emulators, tutorials, API documentation and sample code.
Android SDK provides development components for developing Android applications on Windows/Linux/Mac platforms. Android supports all platforms and contains various tool sets for developing mobile applications on the Android platform. The toolset not only includes the Android emulator and the Android Development Tools plug-in (ADT) for Eclipse, but also includes various tools for debugging, packaging, and installing applications on the emulator.
Android SDK is mainly based on Java language. Users can use Java language to develop software applications on the Android platform. Use some tools provided by the SDK to package it into an apk file for the Android platform, and then use the emulator (Emulator) in the SDK to simulate and test the operation and effect of the software on the Android platform.
2. Android SDK
Android SDK refers to an Android-specific software development kit that includes emulators, tutorials, API documentation, and sample code.
The Android SDK provides development components for developing Android applications on Windows/Linux/Mac platforms. Android supports all platforms and includes various toolsets for developing mobile applications on the Android platform. The toolset includes not only the Android emulator and the Android Development Tools Plug-in (ADT) for Eclipse, but also various tools for debugging, packaging, and installing applications on the emulator.
The Android SDK is mainly based on the Java language, and users can use the Java language to develop software applications on the Android platform. Package it into an apk file used by the Android platform through some tools provided by the SDK, and then use the emulator in the SDK to simulate and test the running situation and effect of the software on the Android platform.
3.Genymotion
Genymotion tools provide a complete Android virtual environment and are quickly becoming the ideal choice for developers, testers, marketers and even gamers.
Genymotion supports Windows, Mac, and Linux operating systems. It is easy to install and run. It uses powerful sensors to test user applications and integrates perfectly into the entire installation environment.
3.Genymotion
Genymotion tools provide a complete set of Android virtual environments that are quickly becoming ideal for developers, testers, salespeople and even gamers.
Genymotion supports Windows, Mac, Linux operating systems, and it is easy to install and run. It tests the user's application with powerful sensors and fits perfectly into the entire installation environment.
4. SQLite
SQLite is an open source embedded relational database, a self-contained, zero-configuration, transaction-supporting SQL database engine.
4. SQLite
SQLite is an open source embedded relational database, a self-contained, zero-configuration, transaction-supported SQL database engine
5. Event listener
The event listener is a view class interface that contains a callback method. It is responsible for monitoring various events that occur in the view (view) class control on the UI and responding accordingly to the events.
5.Event listener
Event listener is a view class interface that contains a callback method. It is responsible for listening to various events that occur in the view class control on the UI and responding to events accordingly.
Reference: Baidu Encyclopedia
Translation: Google Translate
