Eula. placeholder eula, but a eula nonetheless

astrid/res/raw/eula

@@ -0,0 +1,5 @@
+Eula eula eula eula eula
+
+eula eula
+
+eula eula

astrid/res/values/strings-core.xml

@@ -41,6 +41,15 @@
   <!-- Button for going to Market -->
   <string name="DLG_to_market">Go To Market</string>
 
+  <!-- Button for accepting EULA -->
+  <string name="DLG_accept">Accept EULA</string>
+
+  <!-- Button for declining EULA -->
+  <string name="DLG_decline">Decline EULA</string>
+
+  <!-- EULA title -->
+  <string name="DLG_eula_title">End User License Agreement</string>
+  
   <!-- =============================================================== UI == -->
   
   <!-- Label for DateButtons with no value -->

astrid/src/com/todoroo/astrid/activity/Eula.java

@@ -0,0 +1,91 @@
+/*
+ * 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.todoroo.astrid.activity;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.content.DialogInterface;
+import android.content.SharedPreferences;
+
+import com.timsu.astrid.R;
+import com.todoroo.andlib.utility.AndroidUtilities;
+
+/**
+ * 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 {
+    private static final String PREFERENCE_EULA_ACCEPTED = "eula.accepted"; //$NON-NLS-1$
+    private static final String PREFERENCES_EULA = "eula"; //$NON-NLS-1$
+
+    /**
+     * 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);
+        if (preferences.getBoolean(PREFERENCE_EULA_ACCEPTED, false)) {
+            return;
+        }
+
+        final AlertDialog.Builder builder = new AlertDialog.Builder(activity);
+        builder.setTitle(R.string.DLG_eula_title);
+        builder.setCancelable(true);
+        builder.setPositiveButton(R.string.DLG_accept,
+                new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        accept(activity, preferences);
+                    }
+                });
+        builder.setNegativeButton(R.string.DLG_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.setMessage(AndroidUtilities.readFile(activity, R.raw.eula));
+        builder.show();
+    }
+
+    @SuppressWarnings("unused")
+    private static void accept(Activity activity, SharedPreferences preferences) {
+        preferences.edit().putBoolean(PREFERENCE_EULA_ACCEPTED, true).commit();
+    }
+
+    private static void refuse(Activity activity) {
+        activity.finish();
+    }
+
+    private Eula() {
+        // don't construct me
+    }
+}

astrid/src/com/todoroo/astrid/activity/TaskListActivity.java

@@ -209,6 +209,8 @@ public class TaskListActivity extends ListActivity implements OnScrollListener,
         database.openForWriting();
         setUpUiComponents();
         onNewIntent(getIntent());
+
+        Eula.showEula(this);
     }
 
     @Override