Android implements the method to close all activities when exiting

This example implements the function of closing all activities when Android exits. It is shared for your reference. The specific methods are as follows:

Generally speaking, some activities may not be closed when Android exits. In order to close all activities when Android exits, the following classes are given here:

Then add a sentence in the oncreate (bundle savedinstancestate) method of each activity in the application:

When the application exits:

In this way, all activities of the application can be completely closed when exiting the application.

I believe this article has a certain reference value for everyone's Android program design.