Android network programming to obtain JSON data instances on the network

• Android

In order to obtain JSON on the network, you need the support provided by the server.

1、 Create server side:

Server side project structure:

Server side operation rendering:

Step 1: create the JavaBeans required by the business

Step 2: create business logic interface and concrete implementation class

Business interface:

Implementation class of business interface:

Step 3: create controller Servlet

Step 4: create the jsonnewslist.jsp page

So far, the server-side project has been completed. Let's start creating the Android project.

2、 Create Android client:

Android end project structure:

Step 1: create the JavaBeans required by the business

Tip: because both server-side and Android side projects are implemented in Java language, some components can be shared, and JavaBean is one of them. At this time, we can use JavaBeans in server-side projects when building Android side projects.

Step 2: create the business logic layer of Android end project

Core code: getandparsejason:

Step 3: create an activity

So far, the Android client project has been completed. Let's take a look at the running effect of app: Android running effect:

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