Initial about screen; need to make the about links clickable

astrid/res/values/strings-about.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+<string name="p_about">About Astrid</string>
+<string name="p_about_text">Astrid Tasks\n\n
+
+Current version: %s\n\n
+
+Astrid is open-source and proudly maintained by Todoroo, Inc.\n\n
+
+Source: http://github.com/todoroo/astrid\n
+Privacy Policy: http://www.todoroo.com/privacy\n
+Terms of Use: http://www.todoroo.com/terms\n
+Visit http://weloveastrid.com for more information, to add translations or help make Astrid better!</string>
+</resources>

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

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+/*
+ * 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 java.util.Formatter;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.content.res.Resources;
+
+import com.timsu.astrid.R;
+
+/**
+ * Displays an About ("End User License Agreement") that the user has to accept
+ * before using the application. Your application should call
+ * {@link About#showAbout(android.app.Activity)} in the onCreate() method of the
+ * first activity. If the user accepts the About, it will never be shown again.
+ * If the user refuses, {@link android.app.Activity#finish()} is invoked on your
+ * activity.
+ */
+class About {
+    private static final String PREFERENCES_ABOUT = "About"; //$NON-NLS-1$
+
+    /**
+     * Displays the About 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 About
+     */
+    static void showAbout(final Activity activity, final Resources r, final String versionName) {
+        final AlertDialog.Builder builder = new AlertDialog.Builder(activity);
+        builder.setTitle(R.string.p_about);
+        builder.setCancelable(true);
+        builder.setMessage((new Formatter()).format(r.getString(R.string.p_about_text), versionName).toString());
+        builder.show();
+    }
+
+    private About() {
+        // don't construct me
+    }
+}