public DocumentFile[] listFiles() {
Uri auri[] = DocumentsContractApi21.listFiles(mContext, mUri);
DocumentFile adocumentfile[] = new DocumentFile[auri.length];
for (int i = 0; i < auri.length; i++)
adocumentfile[i] = new TreeDocumentFile(this, mContext, auri[i]);
return adocumentfile;
}
public boolean renameTo(String s) {
s = DocumentsContractApi21.renameTo(mContext, mUri, s);
if (s != null) {
mUri = s;
return true;
} else {
return false;
}
}
public DocumentFile createFile(String s, String s1) {
s = DocumentsContractApi21.createFile(mContext, mUri, s, s1);
if (s != null) return new TreeDocumentFile(this, mContext, s);
else return null;
}
public DocumentFile createDirectory(String s) {
s = DocumentsContractApi21.createDirectory(mContext, mUri, s);
if (s != null) return new TreeDocumentFile(this, mContext, s);
else return null;
}
