android qq数据存储,获取手机QQ存储路径下的文件

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package com.example.myfile;

import androidx.annotation.RequiresApi;

import androidx.appcompat.app.AppCompatActivity;

import androidx.recyclerview.widget.LinearLayoutManager;

import androidx.recyclerview.widget.RecyclerView;

import android.Manifest;

import android.os.Build;

import android.os.Bundle;

import android.os.Environment;

import android.util.Log;

import android.view.View;

import android.widget.Toast;

import com.chad.library.adapter.base.BaseQuickAdapter;

import org.json.JSONArray;

import org.json.JSONObject;

import java.io.File;

import java.util.ArrayList;

import java.util.List;

import pub.devrel.easypermissions.AfterPermissionGranted;

import pub.devrel.easypermissions.EasyPermissions;

public class MainActivity extends AppCompatActivity implements EasyPermissions.PermissionCallbacks {

private static final int REQUEST_CODE_QRCODE_PERMISSIONS = 1;

private FileAdapter adapter;

private List list=new ArrayList<>();

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

RecyclerView recyclerView = (RecyclerView) findViewById(R.id.recyclerview);

LinearLayoutManager linearLayoutManager = new LinearLayoutManager(this);

linearLayoutManager.setOrientation(LinearLayoutManager.VERTICAL);

recyclerView.setLayoutManager(linearLayoutManager);

adapter=new FileAdapter(R.layout.item,list);

recyclerView.setAdapter(adapter);

findViewById(R.id.button).setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

Log.d("wangwu", "onClick: ");

// Toast.makeText(MainActivity.this, "点击了", Toast.LENGTH_SHORT).show();

initData();

}

});

adapter.setOnItemClickListener(new BaseQuickAdapter.OnItemClickListener() {

@Override

public void onItemClick(BaseQuickAdapter adapter, View view, int position) {

Toast.makeText(MainActivity.this, list.get(position).getFilePath(), Toast.LENGTH_SHORT).show();

}

});

}

private void initData() {

// 获取文件

// String path=Environment.getExternalStorageDirectory().getAbsolutePath()+"/Android/data/com.tencent.mobileqq/Tencent/QQfile_recv/";

File externalFilesDir = this.getExternalFilesDir(null);

String path1=externalFilesDir.getAbsolutePath();

String[] split = path1.split("/");

String path2=split[0]+"/"+split[1]+"/"+split[2]+"/0";

String path=path2+"/Android/data/com.tencent.mobileqq/Tencent/QQfile_recv/";

// Toast.makeText(this, ""+path, Toast.LENGTH_SHORT).show();

JSONArray allFiles = getAllFiles(path, ".pdf");

// Log.d("wangwu", "initData: "+allFiles);

}

/**

* 获取指定目录内所有文件路径

* @param dirPath 需要查询的文件目录

* @param _type 查询类型，比如mp3什么的

*/

public JSONArray getAllFiles(String dirPath, String _type) {

Log.d("wangwu", "getAllFiles: ");

File f = new File(dirPath+"/");

if (!f.exists()) {//判断路径是否存在

Log.d("wangwu", "判断路径是否存在 ");

return null;

}

File[] files = f.listFiles();

if(files==null){//判断权限

Log.d("wangwu", "判断权限 ");

return null;

}

JSONArray fileList = new JSONArray();

for (File _file : files) {//遍历目录

if(_file.isFile() && _file.getName().endsWith(_type)){

String _name=_file.getName();

FileInfo fileInfo = new FileInfo();

String filePath = _file.getAbsolutePath();//获取文件路径

String fileName = _file.getName().substring(0,_name.length()-4);//获取文件名

fileInfo.setFileName(fileName);

fileInfo.setFilePath(filePath);

list.add(fileInfo);

adapter.notifyDataSetChanged();

Log.d("wangwu","fileName:"+fileName);

Log.d("wangwu","filePath:"+filePath);

try {

JSONObject _fInfo = new JSONObject();

_fInfo.put("name", fileName);

_fInfo.put("path", filePath);

fileList.put(_fInfo);

}catch (Exception e){

}

} else if(_file.isDirectory()){//查询子目录

getAllFiles(_file.getAbsolutePath(), _type);

} else{

}

}

return fileList;

}

@Override

protected void onStart() {

super.onStart();

requestCodeQRCodePermissions();

}

@Override

public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {

EasyPermissions.onRequestPermissionsResult(requestCode, permissions, grantResults, this);

}

@Override

public void onPermissionsGranted(int requestCode, List perms) {

}

@Override

public void onPermissionsDenied(int requestCode, List perms) {

Toast.makeText(this, "权限不足，将影响部分功能的使用！", Toast.LENGTH_SHORT).show();

}

@RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN)

@AfterPermissionGranted(REQUEST_CODE_QRCODE_PERMISSIONS)

// , Manifest.permission.READ_PHONE_STATE

private void requestCodeQRCodePermissions() {

String[] perms = {Manifest.permission.READ_EXTERNAL_STORAGE, Manifest.permission.WRITE_EXTERNAL_STORAGE};

if (!EasyPermissions.hasPermissions(this, perms)) {

EasyPermissions.requestPermissions(this, "请前往设置打开相关权限！", REQUEST_CODE_QRCODE_PERMISSIONS, perms);

}

}

}

本文标签： 路径数据存储文件手机android