摘要: Environment.getExternalStorageDirectory();->File 获取到sd卡的路径 ☆☆☆☆ Environment.getExternalStorageState(); ->String 获取sd卡状态 MEDIA_MOUNTED 说明sd卡可用 操作sd卡进行读 阅读全文
posted @ 2021-01-29 22:11 durtime 阅读(35) 评论(0) 推荐(0)