Detailed introduction to Android and H5 intermodulation

Detailed introduction to Android and H5 intermodulation

Wechat, microblog, wechat, QQ space, a large number of software use embedded H5. At this time, it is necessary to understand how Android interacts with H5 more; In order to save costs, some outsourcing companies adopt Android embedded H5 mode for development, which is convenient for direct reuse of pages on IOS and finally solve the cost.

Why should I learn Android H5?

Many Android Software have embedded H5. What are the uses and advantages? Save cost and improve development efficiency.

What is the principle of implementation?

The essence is: Java code and JavaScript calls

Case 1: simple intermodulation between Java and JS

First, load the H5 page in the Android Code:

JavaAndJavaScriptCall.html:

Java calls javascript:

JavaScript calls Java

Case 2: H5 page calls Android to play video

After understanding the simple call, the following is simple:

1_ Layout and instantiation control of jscalljavavideoactivity

2_ Instantiate the control and configure it

3_ Load page

4_ Reference JS code to write java called code

5_ Configuring JavaScript interfaces

6_ JavaScript interface class

Case 3: H5 page calls Android to make a call

1_ Jscalljavacallphoneactivity layout

2_ Initialize WebView and configure

3_ Load the jscalljavacallphone.html page

4_ Passing JSON data from Java code to JavaScript

5_ Call code

6_ H5 page:

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