Summary of creation steps of activity jump in Android

1、 Create project

File - > New - > Android application fill in the application name, project name and package name in turn. Find Src / com.example.helloworld mainactivity.java in the project directory

2、 Add code

Before adding code, you should first enter RES / layout / activity_ In main.xml, drag and drop a button control. The activity is automatically displayed in the_ Generate button information in main.xml. Pay attention to the ID value. It is useful if you use this button

3、 Add jump activity

1. Right click Src / com.example.helloworld, new - > class, and fill in intentactivity in the name field without adding Java. 2. Add layout. Right click RES / layout, new - > Android XML file, and drag a textview onto the XML. At this time, the address of textview is automatically added in r.java. 3. Add the following code in androidmanifest.xml: complete the registration of activity

3、 Implement intentactivity.java

4、 Run

Open the simulator or mobile phone and run it.