Android Open Source - android-class Eula

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License

The source code is released under:

MIT License

Java Source Code

/*
 * Copyright (C) 2008 The Android Open Source Project
 */*from   w w  w .ja v  a 2 s . com*/
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.android.wikinotes;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.SharedPreferences;

/**
 * Displays an EULA ("End User License Agreement") that the user has to accept
 * before using the application. Your application should call
 * {@link Eula#showEula(android.app.Activity)} in the onCreate() method of the
 * first activity. If the user accepts the EULA, it will never be shown again.
 * If the user refuses, {@link android.app.Activity#finish()} is invoked on your
 * activity.
 */
class Eula {
  public static final String PREFERENCE_EULA_ACCEPTED = "eula.accepted";
  public static final String PREFERENCES_EULA = "eula";

  /**
   * Displays the EULA if necessary. This method should be called from the
   * onCreate() method of your main Activity.
   * 
   * @param activity
   *            The Activity to finish if the user rejects the EULA.
   */
  static void showEula(final Activity activity) {
    final SharedPreferences preferences = activity.getSharedPreferences(
        PREFERENCES_EULA, Activity.MODE_PRIVATE);

    final AlertDialog.Builder builder = new AlertDialog.Builder(activity);
    builder.setTitle(R.string.about_title);
    builder.setCancelable(false);
    builder.setPositiveButton(R.string.about_dismiss_button,
        new DialogInterface.OnClickListener() {
          public void onClick(DialogInterface dialog, int which) {
            preferences.edit().putBoolean(PREFERENCE_EULA_ACCEPTED,
                true).commit();
          }
        });
    builder.setMessage(R.string.about_body);
    builder.create().show();
  }
}

Java Source Code List

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