Files
OpenTracks/MyTracks/src/com/google/android/apps/mytracks/Eula.java
T
2011-01-07 14:43:25 -05:00

108 lines
3.7 KiB
Java

/*
* Copyright 2008 Google Inc.
*
* 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.apps.mytracks;
import com.google.android.apps.mytracks.util.ApiFeatures;
import com.google.android.apps.mytracks.util.ResourceUtils;
import com.google.android.maps.mytracks.R;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
/**
* This class handles display of EULAs ("End User License Agreements") to the
* user.
*/
class Eula {
private static final String PREFERENCE_EULA_ACCEPTED = "eula.accepted";
private static final String PREFERENCES_EULA = "eula";
private Eula() {}
/**
* Displays the EULA if necessary. This method should be called from the
* onCreate() method of your main Activity. If the user accepts, the EULA
* will never be displayed again. If the user refuses, the activity will
* finish (exit).
*
* @param activity The Activity to finish if the user rejects the EULA
*/
static void showEulaRequireAcceptance(final Activity activity) {
final SharedPreferences preferences =
activity.getSharedPreferences(PREFERENCES_EULA, Activity.MODE_PRIVATE);
if (preferences.getBoolean(PREFERENCE_EULA_ACCEPTED, false)) {
return;
}
final AlertDialog.Builder builder = initDialog(activity);
builder.setPositiveButton(R.string.accept,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
accept(activity, preferences);
}
});
builder.setNegativeButton(R.string.decline,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
refuse(activity);
}
});
builder.setOnCancelListener(new DialogInterface.OnCancelListener() {
@Override
public void onCancel(DialogInterface dialog) {
refuse(activity);
}
});
builder.show();
}
/**
* Display the EULA to the user in an informational context. They won't be
* given the choice of accepting or declining the EULA -- we're simply
* displaying it for them to read.
*/
static void showEula(Context context) {
AlertDialog.Builder builder = initDialog(context);
builder.setPositiveButton(R.string.ok, null);
builder.show();
}
private static AlertDialog.Builder initDialog(Context context) {
AlertDialog.Builder builder = new AlertDialog.Builder(context);
builder.setCancelable(true);
builder.setTitle(R.string.eula_title);
builder.setMessage(ResourceUtils.readFile(context, R.raw.eula));
return builder;
}
private static void accept(Activity activity, SharedPreferences preferences) {
ApiFeatures.getInstance().getApiPlatformAdapter().applyPreferenceChanges(
preferences.edit().putBoolean(PREFERENCE_EULA_ACCEPTED, true));
Intent startIntent = new Intent(activity, WelcomeActivity.class);
activity.startActivityForResult(startIntent, MyTracksConstants.WELCOME);
}
private static void refuse(Activity activity) {
activity.finish();
}
}