Android Open Source - MnemR Mnemr Util

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License

The source code is released under:

GNU General Public License

Java Source Code

/**
  * Copyright (c) 2011: mnemr.com contributors. All rights reserved.
  *//w w  w .j  av a2 s  .  c o  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 
  * the Free Software Foundation, either version 3 of the License, 
  * (at your option) any later version.
  *
  * program is distributed in the hope that it will be 
  * but WITHOUT ANY WARRANTY; without even the implied warranty 
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See 
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public 
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  *
  **/ 

package com.mnemr.utils;

import java.io.File;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.os.Environment;
import android.widget.Toast;

import com.mnemr.R;

/**
 * 
 */

public class MnemrUtil {

  public static final String Log = "MnemrUtil";

  public static void showInfoDialog(String text, final Context context) {

    String ok_text = "Ok";

    AlertDialog infoDialog = new AlertDialog.Builder(context)
        .setIcon(android.R.drawable.ic_dialog_info)
        .setItems(null, new OnClickListener() {

          public void onClick(DialogInterface dialog, int which) {

          }
        }).setTitle("Info").setMessage(text)
        .setPositiveButton(ok_text, new OnClickListener() {

          public void onClick(DialogInterface dialog, int which) {

          }
        }).create();

    infoDialog.show();

  }

  /**
   * - make sure we have a mounted SDCard - this method creates the App Folder
   * to
   * 
   * 
   * 
   * @param context
   *            {@link Context}
   */
  public static void CreateAppFolder(Context context) {
    try {

      // make sure we have a mounted SDCard
      String externalStorageState = Environment.getExternalStorageState();
      if (!Environment.MEDIA_MOUNTED.equals(externalStorageState)) {
        // they don't have an SDCard, give them an error message and
        // quit

        android.util.Log
            .e(Log,
                "Don't have an SDCard, give them an error message and quit ! ");

        if (context instanceof Activity) {
          ((Activity) context).finish();
        }

      } else {
        // there's an SDCard available, continue
        // File root = Environment.getExternalStorageDirectory();

        String directoryname = context.getString(R.string.app_name);
        String dirName = "/sdcard/" + directoryname + "";
        File root = new File(dirName);
        boolean exists = root.exists();
        if (!exists) {
          root.mkdirs();
        }

      }

    } catch (Exception e) {
      android.util.Log.e(Log, "by creating folder " + e + "");
      {

        android.util.Log.e(Log, e.toString());

      }
    }

  }

  private static Toast toast;

  /**
   * 
   * Displays a text message via the toast notification system.
   *  If a previous message is still visible, the previous message is first removed.
   *   @param text
   * 
   *            the text message to display
   */

  public static void showToast(String text, Context context) {

     
       Toast.makeText(context, text, Toast.LENGTH_SHORT).show();
 

  }

}

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