Android Open Source - FileManager Info Dialog

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License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * Copyright (C) 2013 Simple Explorer//  ww  w .ja v  a2 s.co m
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA  02110-1301, USA.
 */

package com.ankur.core;

import java.io.File;
import java.text.SimpleDateFormat;

import android.os.Bundle;
import android.os.AsyncTask;
import android.content.Intent;
import android.app.Activity;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;

public class InfoDialog extends Activity {
  private String infopath;
  private TextView mNameLabel, mPathLabel, mTimeLabel, mSizeLabel,
      mPermissionLabel;
  private File file3;

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

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

        if (infopath == null)
          infopath = "";
      } else {
        infopath = i.getExtras().getString("FILE_NAME");
      }
    }

    file3 = new File(infopath);

    mNameLabel = (TextView) findViewById(R.id.name_label);
    mPathLabel = (TextView) findViewById(R.id.path_label);
    mTimeLabel = (TextView) findViewById(R.id.time_stamp);
    mSizeLabel = (TextView) findViewById(R.id.total_size);
    mPermissionLabel = (TextView) findViewById(R.id.permission1);

    // Set up Button
    Button button1 = (Button) findViewById(R.id.quit);
    button1.setOnClickListener(new OnClickListener() {
      @Override
      public void onClick(View v) {
        InfoDialog.this.finish();
      }
    });

    new BackgroundWork().execute(infopath);
  }

  private class BackgroundWork extends AsyncTask<String, Void, Long> {
    final int KB = 1024;
    final int MG = KB * KB;
    final int GB = MG * KB;
    long size = 0;
    private String mDisplaySize;
    private String mPermissions;
    FileUtils flmg = new FileUtils();

    protected void onPreExecute() {
      mNameLabel.setText(file3.getName());
    }

    protected Long doInBackground(String... vals) {

      mPermissions = getFilePermissions(file3);

      if (!file3.canRead())
        mDisplaySize = "---";

      if (file3.isFile()) {
        double size = file3.length();
        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);

      } 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);
      }

      return size;
    }

    protected void onPostExecute(Long result) {
      SimpleDateFormat sdf1 = new SimpleDateFormat("dd.MM.yyyy HH:mm:ss");

      mPathLabel.setText(file3.getAbsolutePath());
      mTimeLabel.setText(sdf1.format(file3.lastModified()));
      mSizeLabel.setText(mDisplaySize);
      mPermissionLabel.setText(mPermissions);
    }
  }

  public static String getFilePermissions(File file) {
    String per = "";

    per += file.isDirectory() ? "d" : "-";
    per += file.canRead() ? "r" : "-";
    per += file.canWrite() ? "w" : "-";

    return per;
  }
}

Java Source Code List

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