Android FileList 파일 탐색기

안드로이드 파일 탐색기

중간에 필터로 걸린 부분있으나.. 강제로 모든 파일 조회되게 변경해 놓음.

FileTreeListViewAdapter에서 파일 선택하는 부분은, 폴더, 파일 이미지 인터넷이나 개인이 사용하는 이미지 사용바람.

따로 올려 놓지 않음. 저작권 문제가 있을 수 있어서...

 

*주의사항  external  저장장치와 SD card는 착각하면 안된다... 

네이밍도 그지같이 해 놓음. ㅡㅡ;

 

 

 

 

 

test device : note 4

android os : Marshmallow 6.0

 

 

 

<?xml version="1.0" encoding="utf-8"?> <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context=".FileTreeActivity"> <LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical"> <androidx.appcompat.widget.Toolbar android:id="@+id/tbToolBar" android:layout_width="match_parent" android:layout_height="wrap_content" android:background="?attr/colorPrimary" android:minHeight="?attr/actionBarSize" android:theme="?attr/actionBarTheme" app:title="File Tree" /> <TextView android:id="@+id/tvPath" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="" /> <ListView android:id="@+id/lvListView" android:layout_width="match_parent" android:layout_height="500dp" > </ListView> </LinearLayout> </androidx.constraintlayout.widget.ConstraintLayout>

 

 

 

package com.example.sampleproject; import androidx.core.app.ActivityCompat; import androidx.core.content.ContextCompat; import android.Manifest; import android.content.pm.PackageManager; import android.os.Bundle; import android.os.Environment; import android.util.Log; import android.view.View; import android.widget.AdapterView; import android.widget.ListView; import android.widget.TextView; import com.example.sampleproject.Data.FileData; import com.example.sampleproject.Norang.NorangActivity; import java.io.File; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; public class FileTreeActivity extends NorangActivity { private TextView tvPath; private ListView lvListView; private FileTreeListViewAdapter adp; private String strCurrentDirectory = ""; //현재 path private String strCurrentFolder = ""; //현재 folder private int nPathlevel = 0; //path level root를 찾기 위함. private Comparator<FileData> folderNfileSorting = new Comparator<FileData>() { @Override public int compare(FileData data1, FileData data2) { int result ; if (data1.getIsFile() < data2.getIsFile()) result = -1; else if (data1.getIsFile() == data2.getIsFile()) result = data1.getName().compareTo(data2.getName()) ; else result = 1; return result ; } } ; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_file_tree); checkPermission(); InitializeControl(); InitializeCommonDataBind(); ListView(); } private void InitializeCommonDataBind() { //arrFileData = new ArrayList<FileData>(); } private void InitializeControl() { toolbar = findViewById(R.id.tbToolBar); setToolbar(""); lvListView = (ListView)findViewById(R.id.lvListView); tvPath = findViewById(R.id.tvPath); } public void checkPermission() { //파일 읽어도 되는지 권한 요청. if (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE)!= PackageManager.PERMISSION_GRANTED) { if (ActivityCompat.shouldShowRequestPermissionRationale(this,Manifest.permission.READ_EXTERNAL_STORAGE)) { } else { ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.READ_EXTERNAL_STORAGE},1); } } } private ArrayList<FileData> SearchFileSystem(String directoryPath) { ArrayList<FileData> arrFileData = new ArrayList<FileData>(); if(directoryPath.equals(""))//root { //외부 저장장치와 sd카드와 혼동하면 안됨. //String path = Environment.getExternalStorageDirectory().getAbsolutePath() + "/" + strFolderName; //외부 저장장치 //String path = Environment.getRootDirectory().getAbsolutePath(); //system 하위 목록 표시. //String path = Environment.getDataDirectory().getAbsolutePath();//data directory //String pathExt = Environment.getExternalStorageState(); String path =Environment.getExternalStorageDirectory().getAbsolutePath();//내부 저장소 /storage/emulated/0 File[] rootDir = getExternalFilesDirs(null); //둘다 나옴. 단... 이 앱의 저장경로 full로 나옴. // /storage/emulated/0/Android/data/com.example.sampleproject/files /storage/emulated/0 // /storage/2E34-1334/Android/data/com.example.sampleproject/files /storage/2E34-1334 //root //for(File f : rootDir) for(int i=0; i < rootDir.length; i++) { //String strName = rootDir[i].getAbsolutePath().replace("/Android/data/" + getPackageName() + "/files", ""); String strName = i == 0 ? "Device Storage" : "SD Card"; String strFullDir = rootDir[i].getAbsolutePath().replace("/Android/data/" + getPackageName() + "/files", ""); FileData fd = new FileData(strName, strFullDir, 0); arrFileData.add(fd); } } else//하위 directory { Log.d("Data", directoryPath);//로그 남기기 File directory = new File(directoryPath); File[] files = directory.listFiles(); for (File f : files) { String strName = f.getName(); String strFullDir = f.getAbsolutePath(); FileData fd; //file filter 이 정도만 BMP GIF JPG PNG if(f.isFile()) // 0 폴더, 1 파일 { if (1==1) fd = new FileData(strName, strFullDir, 1); //only image else if(f.getPath().endsWith(".bmp") || f.getPath().endsWith(".gif")|| f.getPath().endsWith(".jpg") || f.getPath().endsWith(".jpeg") || f.getPath().endsWith(".png")) fd = new FileData(strName, strFullDir, 1); else if (1==1) fd = new FileData(strName, strFullDir, 1); else continue; } else { //folder fd = new FileData(strName, strFullDir, 0); } arrFileData.add(fd); } } return arrFileData; /*//확인용 //내부 저장소소 File directory = new File("/storage/emulated/0"); File[] files = directory.listFiles(); List<String> filesList = new ArrayList<>(); for (int i=0; i< files.length; i++) { filesList.add(files[i].getName()); } for(String s : filesList) tvTest.setText(tvTest.getText() + s + "\r\n"); */ } protected void ListView() { adp = new FileTreeListViewAdapter(SearchFileSystem("")); lvListView.setAdapter(adp); //리스트뷰의 아이템을 클릭시 해당 아이템의 문자열을 가져오기 위한 처리 lvListView.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> adapterView, View view, int position, long id) { ArrayList<FileData> arrFileSub = new ArrayList<FileData>(); tvPath.setText( tvPath.getText() + "/" + ((FileData)adapterView.getItemAtPosition(position)).getName()); if(((FileData)adapterView.getItemAtPosition(position)).getIsFile() == 1) // 0 폴더, 1 파일 return; //이동 전 path 저장 strCurrentDirectory = ((FileData)adapterView.getItemAtPosition(position)).getFullDir(); //빼고 넣기 strCurrentFolder = ((FileData)adapterView.getItemAtPosition(position)).getName(); nPathlevel++; //root를 알기 위해서. Log.d("path1", strCurrentDirectory); Log.d("path2", String.valueOf(nPathlevel)); ArrayList<FileData> arrFileData = SearchFileSystem(((FileData)adapterView.getItemAtPosition(position)).getFullDir());//하위 경로 가져오기. Collections.sort(arrFileData, folderNfileSorting) ; //상단에 정의 FileTreeListViewAdapter adpSub = new FileTreeListViewAdapter(arrFileData); lvListView.setAdapter(adpSub); } }); } //홈버튼에서 뒤로 클릭시 이전 폴더로 가기 root에서는 기존 로직 @Override public void onBackPressed() {//뒤로 가기 버튼 //이전 폴더로.. if(nPathlevel > 0) { nPathlevel--; tvPath.setText(SubString((String) tvPath.getText())); strCurrentDirectory = SubString(strCurrentDirectory);//이전 폴더 path로 변경 //Log.d("Backpath1", path); //Log.d("Backpath2", String.valueOf(nPathlevel)); ArrayList<FileData> arrFileData = SearchFileSystem(nPathlevel == 0 ? "" : strCurrentDirectory); Collections.sort(arrFileData, folderNfileSorting); //상단에 정의 FileTreeListViewAdapter adpSub = new FileTreeListViewAdapter(arrFileData); lvListView.setAdapter(adpSub); } else { finish(); //super.onBackPressed(); } } //path 문자열 짜르기 마지막 folder 제거 protected String SubString(String target) { String[] arrPath = target.split("/"); String result = ""; for(int i = 1; i < arrPath.length - 1; i++ ) result += "/" + arrPath[i]; return result; } }

 

 

package com.example.sampleproject; import android.content.Context; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.ImageView; import android.widget.TextView; import com.example.sampleproject.Data.FileData; import java.util.ArrayList; public class FileTreeListViewAdapter extends BaseAdapter { private ArrayList<FileData> listViewItemList; public FileTreeListViewAdapter() {} public FileTreeListViewAdapter(ArrayList<FileData> arrFileData) { listViewItemList = arrFileData; } @Override public int getCount() { return listViewItemList.size() ; } @Override public View getView(int position, View convertView, ViewGroup parent) { final int pos = position; final Context context = parent.getContext(); if (convertView == null) { LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); convertView = inflater.inflate(R.layout.list_view_filetree_adapter, parent, false); } ImageView ivPic = convertView.findViewById(R.id.ivPic); TextView tvName = convertView.findViewById(R.id.tvName) ; //TextView tvCnt = (TextView) convertView.findViewById(R.id.tvCnt) ; FileData listViewItem = listViewItemList.get(position); ivPic.setImageResource(listViewItem.getIsFile() == 1 ? R.drawable.images : R.drawable.folder); tvName.setText(listViewItem.getName()); //tvCnt.setText(Integer.toString(listViewItem.getType())); return convertView; } @Override public long getItemId(int position) { return position ; } @Override public Object getItem(int position) { return listViewItemList.get(position) ; } public void addItem(String name, int isFile) { FileData item = new FileData(); item.setName(name); item.setIsFile(isFile); listViewItemList.add(item); } }