Method for realizing communication between Android activities

This article describes the method of communication between Android activities. Share with you for your reference. The details are as follows:

In an activity, you can use the startactivity (intent) method provided by the system to open a new activity. Before opening a new activity, you can decide whether to pass parameters for the new activity.

First: open a new activity without passing parameters

Second: open a new activity and pass several parameters to it

Receive the parameters passed from the previous activity in the new activity

I hope this article will be helpful to your Android program design.