Smart homes use residential technology as a platform to combine various subsystems related to home life with advanced computer technology, network communication technology, integrated wiring technology and wireless technology. The goal is to make home life more intelligent, informative, user-friendly and energy-saving. The core goal is to improve the quality of home life.
The core part of the smart home system is the terminal control part of the smart home. In combination with the current market conditions, there are mainly three solutions.
1) Use a traditional infrared remote control, touchable display to control home appliances. This method is used by most manufacturers on the market. The disadvantage of this method is that it cannot achieve the goal of remotely controlling home appliances and can only be controlled locally. Moreover, it is very inconvenient to repair, and it is necessary to purchase a controller of a designated manufacturer.
2) Use the computer to run the smart home terminal control software for control, and realize the remote control of the home system through the network. The shortcomings of adopting such a control method are similar to the first method. Although this method can achieve the goal of remotely controlling home appliances, it can only be registered and controlled at a fixed location, and the computer is inconvenient to carry around, which makes it impossible to flexibly and intelligently control the smart appliances.
3) Android-based mobile phones and tablets can be used as a smart home control terminal by using a mobile phone or a tablet computer. The wireless home network (Wifi, GSM (Global System for Mobile CommunicaTIon), etc.) can be used to control the smart home system. Remote control of household appliances, to bring better user experience to the residents, in order to achieve the goal of improving home quality.
The main features of the control terminal:
1) Design and implementation of terminal control software based on Android system, using a better application framework based on AcTIvityGroup, using SQLite database, it is lightweight open source, with good scalability and compatibility, using graphics The interface is intuitive and simple, and the operation is easy, which can give the user a better experience.
2) The mobile phone can remotely control smart home appliances through GSM or Wifi.
1, Android smart home terminal control system design 1.1, Android platformAndroid is a free and open source operating system based on Linux. It is a powerful and flexible intelligent terminal platform. Mainly used on mobile devices, such as smartphones and tablets. According to the latest data from IDC (InternetDataCenter), Android has become the most popular smartphone platform. The platform consists of four parts, namely the operating system, middleware, user interface and application software. The advantages are quite obvious compared to the operating systems used by other mobile devices.
1.2, system design goalsThe system is based on Android and is implemented using various resources provided by the Android operating system. Smart home appliances such as televisions, curtains, air conditioners and humidifiers are custom-built inside the user's home. Therefore, the control module is loaded by the reflection mechanism during the implementation process. The user can control the smart appliances displayed on the mobile phone or tablet, such as controlling the switch of the electrical appliance, lifting and lowering the curtain, the temperature of the air conditioner, and the selection of the television. Users can remotely control the status of home appliances from anywhere on the mobile phone, which is efficient and flexible.
1.3, the system design processThe system uses Eclipse as the development environment and uses ADT (AndroidDevelopmentTools) as a development plugin. Based on Android to accomplish the above system goals, the user interacts with the system using a touch screen. The system development process is shown in Figure 1. The system completes the control of the home appliance by sending some setting system commands. Users can set the status of the local client and complete user operations such as clearing the system cache. In addition, some news is integrated, and related functions are consulted. The function design is shown in Figure 2.
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