Android Open Source - FileManager Directory Info

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License

The source code is released under:

GNU General Public License

Java Source Code

package com.ankur.core;
// w w  w  .j a  v  a2 s .  c  o m
import java.io.File;
import java.text.SimpleDateFormat;

import android.os.Bundle;
import android.os.AsyncTask;
import android.os.Environment;
import android.os.StatFs;
import android.content.Intent;
import android.app.ActionBar;
import android.app.Activity;
import android.app.ProgressDialog;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.TextView;

public class DirectoryInfo extends Activity {
  private static final int KB = 1024;
  private static final int MG = KB * KB;
  private static final int GB = MG * KB;
  private String mPathName;
  private TextView mNameLabel, mPathLabel, mDirLabel, mFileLabel, mTimeLabel,
      mUsedLabel, mAvaibleLabel, mFreeLabel;

  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.folderinfo);

    ActionBar actionBar = getActionBar();
    actionBar.show();
    actionBar.setDisplayHomeAsUpEnabled(true);

    Intent i = getIntent();
    if (i != null) {
      if (i.getAction() != null
          && i.getAction().equals(Intent.ACTION_VIEW)) {
        mPathName = i.getData().getPath();

        if (mPathName == null)
          mPathName = "";
      } else {
        mPathName = i.getExtras().getString("PATH_NAME");
      }
    }

    mNameLabel = (TextView) findViewById(R.id.name_label);
    mPathLabel = (TextView) findViewById(R.id.path_label);
    mDirLabel = (TextView) findViewById(R.id.dirs_label);
    mFileLabel = (TextView) findViewById(R.id.files_label);
    mTimeLabel = (TextView) findViewById(R.id.time_stamp);
    mUsedLabel = (TextView) findViewById(R.id.permission1);
    mFreeLabel = (TextView) findViewById(R.id.freespace);
    mAvaibleLabel = (TextView) findViewById(R.id.avaible_size);

    new BackgroundWork().execute(mPathName);
  }

  @Override
  public void onBackPressed() {
    finish();
    return;
  }

  private class BackgroundWork extends AsyncTask<String, Void, Long> {
    File dir = new File(mPathName);

    private ProgressDialog dialog;
    private String mDisplaySize;
    private String mAvaibleSize;
    private String mFreeSpace;
    private int mFileCount = 0;
    private int mDirCount = 0;
    long test = dir.getTotalSpace();
    long freespace = dir.getFreeSpace();

    protected void onPreExecute() {
      dialog = ProgressDialog.show(DirectoryInfo.this, "",
          getString(R.string.calcinfo));
      dialog.setCancelable(true);
    }

    @SuppressWarnings("deprecation")
    protected Long doInBackground(String... vals) {
      FileUtils flmg = new FileUtils();
      File dir = new File(vals[0]);
      long size = 0;
      int len = 0;

      File[] list = dir.listFiles();
      if (list != null)
        len = list.length;

      for (int i = 0; i < len; i++) {
        if (list[i].isFile())
          mFileCount++;
        else if (list[i].isDirectory())
          mDirCount++;
      }

      if (vals[0].equals("/")) {
        StatFs fss = new StatFs(Environment.getRootDirectory()
            .getPath());
        size = fss.getAvailableBlocks() * (fss.getBlockSize() / KB);

        mDisplaySize = (size > GB) ? String.format("%.2f GB",
            (double) size / MG) : String.format("%.2f MB",
            (double) size / KB);

      } else {
        size = flmg.getDirSize(vals[0]);

        if (size > GB)
          mDisplaySize = String.format("%.2f GB", (double) size / GB);
        else if (size < GB && size > MG)
          mDisplaySize = String.format("%.2f MB", (double) size / MG);
        else if (size < MG && size > KB)
          mDisplaySize = String.format("%.2f KB", (double) size / KB);
        else
          mDisplaySize = String.format("%.2f B", (double) size);
      }

      // get free space on SDcard
      if (freespace > GB)
        mFreeSpace = String.format("%.2f GB", (double) freespace / GB);
      else if (freespace < GB && freespace > MG)
        mFreeSpace = String.format("%.2f MB", (double) freespace / MG);
      else if (freespace < MG && freespace > KB)
        mFreeSpace = String.format("%.2f KB", (double) freespace / KB);
      else
        mFreeSpace = String.format("%.2f B", (double) freespace);

      // get total size of SDcard
      if (test > GB)
        mAvaibleSize = String.format("%.2f GB", (double) test / GB);
      else if (test < GB && test > MG)
        mAvaibleSize = String.format("%.2f MB", (double) test / MG);
      else if (test < MG && test > KB)
        mAvaibleSize = String.format("%.2f KB", (double) test / KB);
      else
        mAvaibleSize = String.format("%.2f B", (double) test);

      return size;
    }

    protected void onPostExecute(Long result) {
      File dir = new File(mPathName);

      String avaible = String.valueOf(mAvaibleSize);
      SimpleDateFormat sdf1 = new SimpleDateFormat("dd.MM.yyyy HH:mm:ss");

      mNameLabel.setText(dir.getName());
      mPathLabel.setText(dir.getAbsolutePath());
      mDirLabel.setText(mDirCount + getString(R.string.folders));
      mFileLabel.setText(mFileCount + getString(R.string.files));
      mTimeLabel.setText(sdf1.format(dir.lastModified()));
      mUsedLabel.setText(mDisplaySize);

      if (dir.getAbsolutePath().equals("/")
          || dir.getAbsolutePath().equals("/storage")) {
        mFreeLabel.setText("---");
        mAvaibleLabel.setText("---");
      } else {
        mFreeLabel.setText(mFreeSpace);
        mAvaibleLabel.setText(avaible);
      }

      dialog.cancel();
    }
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    return super.onCreateOptionsMenu(menu);
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem menu) {
    switch (menu.getItemId()) {

    case android.R.id.home:
      this.finish();
      return true;
    }
    return false;
  }
}

Java Source Code List

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