The Development Of APP For The Diseases Of Main Grain Crops In Tangshan Based On Android System

China is a large agricultural country.The main grain crops plays an important role in agricultural production.The main grain crops are the main food source and an important guarantee for the stable development of society.There are four kinds of main grain crops planted in Tangshan City,but due to the limited number of grassroots agricultural technical guidance personnel,it is difficult to convey reasonable knowledge of pest control to every grower.In the process of planting,there are the phenomena of abuse drug use,which affect the quality and yield of main grain crops.In order to meet the needs of growers for pest control knowledge,this paper uses the Android studio integrated development environment as the development tool to research and develop the major pest control app of Tangshan main grain crops based on Android system.The main contents and functions of this app are as follows:(1)Pest control knowledge: this app system collates the major pests and diseases of main grain crops in Tangshan,including pest pictures,symptoms,transmission channels,disease conditions and control methods.To provide guidance for the prevention and control of plant diseases and insect pests.(2)Disease and pest query: this app has the function of disease and pest query.When the disease and pest cannot be identified,the user can query it according to the system prompt.First,select the location of the disease and pest(leaf,ear,rhizome,whole plant),and then select the specific disease symptoms,and the disease and pest query results will be obtained.(3)Answering questions online function:this app provides answering questions online function.When encountering difficulties in pest control,users can communicate with professional technicians and ask them for guidance and help.This app is based on mobile phones,aiming at the actual problems in agricultural production,and provides farmers with real-time and effective pest control guidance.Smart phones have a wide range of popularity,and are easy to carry,which is very conducive to the promotion and application.The app has a positive role andsignificance in the prevention and control of diseases of main grain crops in Tangshan.