Use of Android development--intent

1. Overview

Intent is responsible for the action of an operation in the application, the data involved in the action, additional data to describe, play the role of the media. Specify an activity through the intent object, using StartActivity or

The Startactivityforresult method initiates another activity. In addition, intent can implement data jumps between different activity.

2.activity Jump

3. Create a Intent Object

3.1 Creating the intent object in the original Activity.java file

Note: Intent (Originactivity.this,newactivity.class), that is, to jump, jump activity class name.

3.2 Effect Display

After clicking:

4.Intent Passing Data

4.1 Sending data

Use the Putextra (Key,value) method to transfer data through the intent object.

4.2 Receiving data

Use the Getintent (). Getstringextra (key) method to receive data

4.3. Effect display

After clicking:

Use of Android development--intent