项目案例:
需求:1)在当前的界面或者页面被回收之前,保存界面或者页面上 EditText 中输入的文本到文件中去。
重写了 onDestroy()方法,这样就可以保证在活动销毁之前一定会调用这个方法。在 onDestroy()方法中我们获取了 EditText 中输入的内容,并调用 save()方法把输入的内容存储到文件中,文件命名为 data_et。
项目案例:
需求:1)在当前的界面或者页面被回收之前,保存界面或者页面上 EditText 中输入的文本到文件中去。
重写了 onDestroy()方法,这样就可以保证在活动销毁之前一定会调用这个方法。在 onDestroy()方法中我们获取了 EditText 中输入的内容,并调用 save()方法把输入的内容存储到文件中,文件命名为 data_et。
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