发送更新命令到上一个活动

Question

I have 2 activities A and B activity A contains a button to call activity B and A also contains a listview. activity B contains some checkboxes and a close Button After I click to close activity BI would like to update activity A's listview. What method do you think is good for me to follow now ?

Answer 1

为了实现您的功能，您需要使用.startActivityForResult（）启动活动B并覆盖onActivityResult（）方法以完成终止B时需要做的所有处理。