Android文件获取
使用递归便利本地所有文件（txt文件、word文件、ppt文件和zip压缩文件 ）
@SuppressLint("NewApi")
public class FileInforService {
public File path1;
public ArrayList<FileInfor> listfile;
public Context context;
public ArrayList<FileInfor> lpath;
public ArrayList<File> afile;
public FileInforService(Context context)
{
this.context=context;
}
/*获取所有文件信息*/
public ArrayList<File> getAllFileList()
{
listfile=new ArrayList<FileInfor>();
afile=new ArrayList<File>();
File file=Environment.getExternalStorageDirectory();
File[] files=file.listFiles();
runFile(files);
return afile;
}
public void runFile(File[] file)
{
if (file != null) {
for (int i=0;i<file.length;i++) {
File file2=file[i];
System.out.println(file2.toString());
if (file2.listFiles() == null) {
System.out.println(file2.isFile());
if(file2.isFile())
{
afile.add(file2);
}
}
else
{
final File[] newFileList=file2.listFiles();
Thread thread=new Thread(){
@Override
public void run() {
// TODO Auto-generated method stub
runFile(newFileList);
}
};
thread.start();
}
}
}
}
}
private ArrayList<FileInfor> getFileList()
{
ArrayList<File> files=new ArrayList<File>();
service=new FileInforService(inbox);
files=service.getAllFileList();
int fsize=files.size();
if(fsize==0)
{
return null;
}
for(int i=0;i<fsize;i++)
{
File file=files.get(i);
String name=file.getName();
int a=0;
if(name.endsWith("xls")||name.endsWith("xlsx")||name.endsWith("xlsm")||name.endsWith("xltm")||name.endsWith("xlsb")||name.endsWith("xlam"))
{
/* Bitmap icon=BitmapFactory.decodeResource(getResources(), R.drawable.excel); */
a=1;
}
if(name.endsWith("ppt")||name.endsWith("pptx")||name.endsWith("pptm")||name.endsWith("ppsx")||name.endsWith("potx")||name.endsWith("potm")||name.endsWith("ppam"))
{
a=2;
}
if(name.endsWith("doc")||name.endsWith("docx")||name.endsWith("docm")||name.endsWith("dotx")||name.endsWith("dotm"))
{
a=3;
}
if(name.endsWith("umd")||name.endsWith("pdf")||name.endsWith("txt")||name.endsWith("edk")||name.endsWith("chm"))
{
a=4;
}
if(name.endsWith("zip")||name.endsWith("rar")||name.endsWith("iso")||name.endsWith("7z"))
{
a=5;
}
if(a==0)
{
continue;
}
Map<String,Object> map=new HashMap<String,Object>();
String str = "文件名称:" + file.getName() + " 路径:"+ file.getPath();
System.out.println(str);
FileInfor fileInfor=new FileInfor();
String path=file.getAbsolutePath();
int size=(int)file.length();
String fileSize=parseApkSize(size);
long modTime=file.lastModified();
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String date=dateFormat.format(new Date(modTime));
map.put("name", name);
Toast.makeText(inbox, fileInfor.getName(),Toast.LENGTH_SHORT).show();
map.put("path", path);
map.put("date",date);
map.put("size", fileSize);
if(a==1)
{
map.put("icon", R.drawable.excel);
listExcel.add(map);
}
if(a==2)
{
map.put("icon", R.drawable.ppt);
listPpt.add(map);
}
if(a==3)
{
map.put("icon", R.drawable.word);
listWord.add(map);
}
if(a==4)
{
map.put("icon", R.drawable.pdf);
listPdf.add(map);
}
if(a==5)
{
map.put("icon", R.drawable.zip);
listZip.add(map);
}
}
return null;
}
private String parseApkSize(int size) {
BigDecimal bd;
BigDecimal setScale;
String str=null;
if(size/1024>0)
{
bd=new BigDecimal((double)size/(1024));
setScale = bd.setScale(2, BigDecimal.ROUND_DOWN);
str=setScale.toString()+"KB";
}
else
{
bd = new BigDecimal((double)size/(1024*1024));
setScale = bd.setScale(2, BigDecimal.ROUND_DOWN);
str=setScale.toString()+"M";
}
return str;
}