Android Open Source - AndroidFileExplorer Util

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License

The source code is released under:

This is free and unencumbered software released into the public domain. Anyone is free to copy, modify, publish, use, compile, sell, or distribute this software, either in source code form or as a co...

Java Source Code

package com.example.androidfileexplorer;
/*  w  ww .j a  va  2 s  . c o  m*/
import java.io.File;
import java.io.FilenameFilter;
import java.util.List;

import android.app.Activity;
import android.app.DialogFragment;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.preference.PreferenceManager;
import android.webkit.MimeTypeMap;
import android.widget.Toast;

public class Util {
  public static FilenameFilter onlyDirFilter() {
    return new FilenameFilter() {
      @Override
      public boolean accept(File current, String name) {
        return new File(current, name).isDirectory();
      }
    };
  }

  public static FilenameFilter onlyFileFilter() {
    return new FilenameFilter() {
      @Override
      public boolean accept(File current, String name) {
        return new File(current, name).isFile();
      }
    };
  }

  public static void openFileWithApp(Context context, File f) {
    if (!f.canRead()) {
      toolTip(context, R.string.no_read_perm);
    } else {
      String type = null;
      String extension = MimeTypeMap.getFileExtensionFromUrl(Uri.encode(f
          .getName()));
      MimeTypeMap map = MimeTypeMap.getSingleton();
      type = map.getMimeTypeFromExtension(extension);
      if (type == null) {
        type = PreferenceManager
            .getDefaultSharedPreferences(context)
            .getString(
                SettingsActivity.PREF_UNKNOWN_MIME_TYPE_HANLDER,
                "*/*");
      }
      Intent intent = new Intent();
      intent.setAction(android.content.Intent.ACTION_VIEW);
      intent.setDataAndType(Uri.fromFile(f), type);
      context.startActivity(intent);
    }
  }

  static public boolean deleteFiles(MainActivity context, List<File> files) {
    boolean result = true;
    for (File f : files) {
      result = result && f.delete();
    }
    if (result) {
      Util.toolTip(context, R.string.files_deleted);
    } else {
      Util.toolTip(context, R.string.could_not_del_files);
    }
    context.updateDirList();
    return false;
  }

  public static void renameFile(Activity context, File f) {
    if (!f.canWrite()) {
      toolTip(context, R.string.no_write_perm);
    } else {
      DialogFragment renameDialog = RenameFileDialog.newInstance(f);
      renameDialog.show(context.getFragmentManager(),
          RenameFileDialog.TAG);
    }
  }

  static public void toolTip(Context context, String msg) {
    int duration = Toast.LENGTH_SHORT;
    Toast toast = Toast.makeText(context, msg, duration);
    toast.show();
  }

  static public void toolTip(Context context, int id) {
    toolTip(context, context.getResources().getString(id));
  }

}

Java Source Code List

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