这是我第一次在我的Android使用外部存储。 我需要一些帮助,我怎么能执行不同的操作,例如如何检查外部存储器是否可用与否?又怎么写文件或图片入库。
解决方案如何检查外部存储器是否可用?
使用 Environment.getExternalStorageState()
。
如何写文件或图片到存储
使用标准的Java I / O,工作过使用内置的目录 Environment.getExternalStorageDirectory()
。
This is for the first time i am using external storage in android. I need some help how can i perform different operations such as how to check whether External Storage is available or not?, How to write files or pictures into storage .
解决方案how to check whether External Storage is available or not?
Use Environment.getExternalStorageState()
.
How to write files or pictures into storage
Use standard Java I/O, working off a directory built using Environment.getExternalStorageDirectory()
.