Create a folder on the SD card
public void Createsdcarddir () {
if (Environment.MEDIA_MOUNTED.equals (Environment.getexternalstoragestate ())) {
Create a Folder object that is assigned to the directory of the external memory
File Sdcarddir =environment.getexternalstoragedirectory ();
Get a path with the contents of the SDcard folder path and name
String Path=sdcarddir.getpath () + "/cardimages";
File path1 = new file (path);
if (!path1.exists ()) {
If it does not exist, create a directory that can be created when the app starts
Path1.mkdirs ();
Settitle ("Paht ok,path:" +path);
}
}
else{
Settitle ("false");
Return
}
}
(ext: http://blog.csdn.net/yun90/article/details/7611723)
Personal Note: Create is built-in sdcard not extended (external) sdcard
<!--permission to write data to SDcard
<uses-permission android:name= "Android.permission.WRITE_EXTERNAL_STORAGE" ></uses-permission>
<!--permissions to create/delete files in SDcard-
<uses-permission android:name= "Android.permission.MOUNT_UNMOUNT_FILESYSTEMS" ></uses-permission>
Create a folder on SDcard on Android