Skip to content

update content #70

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
fudaye wants to merge 1 commit into
base: master
Choose a base branch
from
Open

update content #70

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 5 additions & 2 deletions Part1/Android/Android基础知识.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -313,9 +313,12 @@ Android为此数据库提供了一个名为SQLiteDatabase的类，封装了一
如果在每一个Activity的onCreate里判断是否被强杀，冗余了，封装到Activity的父类中，如果被强杀，跳转回主界面，如果没有被强杀，执行Activity的初始化操作，给主界面传递intent参数，主界面会调用onNewIntent方法，在onNewIntent跳转到欢迎页面，重新来一遍流程。

**Json有什么优劣势。**

1.易读性
2.高性能解析
3.多语言
4.解析Json的框架丰富
**怎样退出终止App**

首先我对这个问题很费解，再我用过的任何app中没有一个入口是“退出App”。另一个角度退出app就是栈中没有activity。不用集合保存你每次创建的activity 。也不用system.exit(0)。一点也不高大上。我能想到一个简单方法。就是在MainActivity的onNewIntent 方法中监听一个标识比如“exit”。在退出的时候加上一个flag CLEAR_TOP.然后再finish掉MianActivity。
**Asset目录与res目录的区别。**
res 目录下面有很多文件，例如 drawable,mipmap,raw 等。res 下面除了 raw 文件不会被压缩外，其余文件都会被压缩。同时 res目录下的文件可以通过R 文件访问。Asset 也是用来存储资源，但是 asset 文件内容只能通过路径或者 AssetManager 读取。 [官方文档](https://developer.android.com/studio/projects/index.html)

Expand Down