activity A 用 startActivity() 打开 B activity,B 中怎么 finish

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activityA用startActivity()打开Bactivity,B中怎么finishactivityA用startActivity()打开Bactivity,B中怎么finishactivi

activity A 用 startActivity() 打开 B activity,B 中怎么 finish
activity A 用 startActivity() 打开 B activity,B 中怎么 finish

activity A 用 startActivity() 打开 B activity,B 中怎么 finish
在BActivity中：
A a = new A();
a,finish();

activity A 用 startActivity() 打开 B activity,B 中怎么 finish activity activity ACTIVITY A Special Activity 英语作文如何识别android 中activity A和activity B,系统是如何标识每一个activity . they take their children from activity to activity 为什么这个句子中activity 用单数 Taking a walk is a pleasant activity. 英语翻译[ ] [ ] [ ] a very popular outdoor activity. 英语翻译a planned public activity什么意思? they will make a plan about the activity对mahe a plan about the activity提问用activity造句,简单点的,谢谢! Our school also o-----a students' work show during the Science Activity Week.用适当的词填空 What activity do you do in your school?activity 用单数还是复数 android 从Activity跳转到非Activity页面,用intent怎么写 activity是什么意思activity book there are a lot of ________ (activity) in our school 雅思口语范文（describe a person、place、festival、activity）