Added license and about screen

AndroidManifest.xml

@@ -19,5 +19,6 @@
         <activity android:name=".InventorySlotsActivity"/>
         <activity android:name=".EditInventorySlotActivity"/>
         <activity android:name=".BrowseItemsActivity"/>
+        <activity android:name=".AboutAppActivity"/>
     </application>
 </manifest> 

ant.properties

@@ -15,3 +15,5 @@
 #  'key.alias' for the name of the key to use.
 # The password will be asked during the build when you use the 'release' target.
 
+key.store=androidreleasekey.keystore
+key.alias=androidreleasekey

res/layout/about.xml

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent">
+    <TextView
+        android:id="@+id/about_appnametext"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/app_name"
+        android:textSize="15pt"/>
+
+    <TextView
+        android:id="@+id/about_appversiontext"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"/>
+
+    <TextView
+        android:id="@+id/about_librarycreditstext"
+        android:layout_width="fill_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/about_librarycredits"/>
+
+    <TextView
+        android:id="@+id/about_copyrighttext"
+        android:layout_width="fill_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/about_copyright"/>
+
+</LinearLayout>

res/menu/worldselect_menu.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:id="@+id/worldselect_about"
+          android:icon="@android:drawable/ic_menu_info_details"
+          android:title="@string/about_about"/>
+</menu>

res/values/strings.xml

@@ -18,4 +18,18 @@
     <string name="backup">Create Backup</string>
     <string name="backupcreated">Backup Created: </string>
     <string name="backupfailed">Backup failed.</string>
+    <string name="about_about">About</string>
+    <string name="about_copyright">Copyright (C) 2012 Zhuowei Zhang\n\n
+    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.\n
+
+    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.\n
+    </string>
+    <string name="about_librarycredits">This app uses the SpoutNBT library developed by
+    the SpoutDev team.</string>
 </resources>

src/net/zhuoweizhang/pocketinveditor/AboutAppActivity.java

@@ -0,0 +1,12 @@
+package net.zhuoweizhang.pocketinveditor;
+
+import android.app.Activity;
+import android.os.Bundle;
+
+public final class AboutAppActivity extends Activity {
+
+	public void onCreate(Bundle savedInstanceState)	{
+		super.onCreate(savedInstanceState);
+		setContentView(R.layout.about);
+	}
+}

src/net/zhuoweizhang/pocketinveditor/PocketInvEditorActivity.java

@@ -11,6 +11,9 @@
 import android.os.Bundle;
 import android.os.Environment;
 import android.view.View;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 import static android.widget.AdapterView.OnItemClickListener;
 import android.widget.ArrayAdapter;
 import android.widget.AdapterView;
@@ -74,6 +77,27 @@ private void loadMaterials() {
 		new Thread(new MaterialLoader(getResources().getXml(R.xml.item_data))).start();
 	}
 
+	public boolean onCreateOptionsMenu(Menu menu) {
+		MenuInflater inflater = getMenuInflater();
+		inflater.inflate(R.menu.worldselect_menu, menu);
+		return true;
+	}
+
+	public boolean onOptionsItemSelected(MenuItem item) {
+		switch (item.getItemId()) {
+			case R.id.worldselect_about:
+				displayAboutActivity();
+				return true;
+			default:
+				return super.onOptionsItemSelected(item);
+		}
+	}
+
+	public void displayAboutActivity() {
+		Intent intent = new Intent(this, AboutAppActivity.class);
+		startActivity(intent);
+	}
+
 	private final class FindWorldsThread implements Runnable {
 
 		private final PocketInvEditorActivity activity;