Android Open Source - opentraining Disclaimer Dialog

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License

The source code is released under:
GNU General Public License
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Java Source Code

/**
 * //from   ww w. j ava 2  s . c  om
 * This is OpenTraining, an Android application for planning your your fitness training.
 * Copyright (C) 2012 Christian Skubich
 * 
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 * 
 */

package de.skubware.opentraining.activity;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;
import android.text.SpannableString;
import android.text.method.LinkMovementMethod;
import android.text.util.Linkify;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.CheckBox;
import android.widget.TextView;
import de.skubware.opentraining.R;

/**
 * A short dialog that displays the disclaimer message.
 * 
 * @author Christian Skubich
 * 
 */
public class DisclaimerDialog extends AlertDialog {

  /** Static string for preferences. */
  public static final String PREFERENCE_SHOW_DISCLAIMER = "show_disclaimer";

  /** Reference to original activity. */
  private Activity mActivity;

  /**
   * Constructor. The Dialog has two buttons, if the user does not accept the
   * terms of usage, the app will be closed. The Dialog will be shown
   * automatically, there is no need to use {@link #show()}.
   */
  public DisclaimerDialog(final Activity activity) {
    super(activity);
    this.mActivity = activity;

    // create linkified message
    SpannableString s = new SpannableString(activity.getString(R.string.disclaimer) + "http://www.gnu.org/licenses/gpl-3.0.html");
    Linkify.addLinks(s, Linkify.ALL);

    // set title and message
    this.setTitle(activity.getString(R.string.license));
    this.setMessage(s);

    // CheckBox
    LayoutInflater inflater = this.getLayoutInflater();

    View wrapper = inflater.inflate(R.layout.dialog_disclaimer_checkbox, null);
    final CheckBox checkbox_dont_show_again = (CheckBox) wrapper.findViewById(R.id.checkbox_dont_show_again);
    this.setView(wrapper);

    // positive button
    this.setButton(BUTTON_POSITIVE, activity.getString(R.string.accept), new OnClickListener() {
      @Override
      public void onClick(DialogInterface dialog, int which) {
        if (checkbox_dont_show_again.isChecked()) {
          SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(mActivity);
          SharedPreferences.Editor editor = settings.edit();
          editor.putBoolean(DisclaimerDialog.PREFERENCE_SHOW_DISCLAIMER, false);
          editor.commit();
        }

        dialog.dismiss();
      }
    });

    // negative button
    this.setButton(BUTTON_NEGATIVE, activity.getString(R.string.not_accept), new OnClickListener() {
      @Override
      public void onClick(DialogInterface dialog, int which) {
        dialog.dismiss();
        activity.finish();
      }
    });

    // show the dialog
    this.show();

    // make textview clickable, must be called after show()
    ((TextView) this.findViewById(android.R.id.message)).setMovementMethod(LinkMovementMethod.getInstance());
  }

  @Override
  public boolean onKeyDown(int keyCode, KeyEvent event) {
    if ((keyCode == KeyEvent.KEYCODE_BACK)) {
      mActivity.finish();
      return true;
    }

    return false;
  }

}
Java Source Code List
