Design Document

2. 0 Design Phase
3. Data Flow Diagram

A context diagram of the Agro_Conn application.

 

2. 2. 3 User Interface Flow (Screen Navigation diagram)

    

   

    

   The screen shot is the startup activity it is displayed when the application starts up. It is maintained for 5 seconds before the next activity is displayed.

   

   The screen is displayed after the startup activity, it has two optional buttons(view products and market product),the two buttons are used by both the customer and farmer to navigate through to want they want.

   -For the customer they click on view products and this takes them to another activity that has different categories of produce.

   -In case it’s a farmer he/she choses the option of market product which takes him/her to another activity to upload his/her produce/s.

   

    

   This is the screen which displays after a customer has chosen the option of show products, this enables him/her view different produce under the four categories.

   This screen shows after the customers have chosen the category they want it dis plays the t product name ,price ,quantity  and the location of the seller

    

   

    

    

   This screen displays after the farmer has chosen the option of post product, he/she is able to upload a picture, name the produce. Once submitted the information is stored in a database ready for access by the customer who wishes to purchase produce.

3. 1 System Architecture diagram – Briefly explain what each module/component of the system

does

 

Class Diagrams

 

 

Java APIS

import android;

import android.app.Activity;

import android.content.Intent;

import android.os.Bundle;

import android.view.View;

import android.widget.Button;

import java.io.IOException;

import java.io.InputStream;

import com.example.final_agro

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.view.View;

import android.view.View.OnClickListene

import android.widget.ImageButton;

import android.widget.ImageView;

e.t.c