From 9b2c616baafe018f82f74a9f383f85847ed8eca5 Mon Sep 17 00:00:00 2001
From: a1batross <a1ba.omarov@gmail.com>
Date: Fri, 20 May 2016 23:46:35 +0300
Subject: [PATCH] Add autoupdate checker

---
 res/layout/activity_launcher.xml           | 557 ++++++++++-----------
 res/values/strings.xml                     |  44 +-
 src/in/celest/xash3d/LauncherActivity.java | 314 ++++++++----
 3 files changed, 497 insertions(+), 418 deletions(-)

diff --git a/res/layout/activity_launcher.xml b/res/layout/activity_launcher.xml
index fa08ecca..51796d7c 100644
--- a/res/layout/activity_launcher.xml
+++ b/res/layout/activity_launcher.xml
@@ -1,296 +1,265 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:id="@+id/layout_shortcut"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical"
-    android:background="#252525"
-    android:weightSum="1"
-    tools:context="in.celest.xash3d.LauncherActivity">
-
-    <TextView
-        android:id="@+id/textView_tittle"
-        android:layout_width="fill_parent"
-        android:layout_height="50dp"
-        android:layout_marginBottom="1dp"
-        android:layout_marginLeft="5dp"
-        android:background="#555555"
-        android:layout_marginRight="5dp"
-        android:layout_marginTop="20dp"
-        android:text="@string/launcher_name"
-        android:textAppearance="?android:attr/textAppearanceMedium"
-        android:textSize="25sp"
-        android:drawableLeft="@drawable/ic_launcher"
-        android:drawablePadding="10dp"
-        android:singleLine="true"
-        android:gravity="center_vertical" />
-
-    <TabHost
-        android:id="@+id/tabhost"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:layout_weight="1.20"
-        android:paddingBottom="10dp"
-        android:paddingLeft="3dp"
-        android:paddingRight="3dp"
-        android:paddingTop="8dp">
-
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:background="#555555"
-            android:orientation="vertical">
-
-            <TabWidget
-                android:id="@android:id/tabs"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:showDividers="middle"></TabWidget>
-
-            <ScrollView
-                android:layout_width="match_parent"
-                android:layout_height="match_parent"
-                android:id="@+id/scrollView2" >
-            <FrameLayout
-                android:id="@android:id/tabcontent"
-                android:layout_width="match_parent"
-                android:layout_height="match_parent"
-                >
-
-                <LinearLayout
-                    android:id="@+id/tab1"
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:layout_marginLeft="10dp"
-                    android:layout_marginRight="10dp"
-                    android:layout_marginTop="15dp"
-                    android:layout_marginBottom="25dp"
-                    android:background="#333333"
-                    android:orientation="vertical"
-                    android:text="@string/text_tab1"
-                    android:weightSum="0.6">
-
-                    <TextView
-                        android:id="@+id/textView_path1"
-                        android:layout_width="fill_parent"
-                        android:layout_height="40dp"
-                        android:layout_marginBottom="2dp"
-                        android:layout_marginLeft="10dp"
-                        android:background="#444444"
-                        android:layout_marginRight="10dp"
-                        android:layout_marginTop="10dp"
-                        android:text="@string/text_res_tittle2"
-                        android:textAppearance="?android:attr/textAppearanceMedium"
-                        android:textSize="20sp"
-                        android:gravity="center_vertical|center_horizontal" />
-
-                    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-                        xmlns:tools="http://schemas.android.com/tools"
-                        android:layout_width="match_parent"
-                        android:layout_height="match_parent"
-                        android:layout_marginBottom="10dp"
-                        android:layout_marginLeft="10dp"
-                        android:layout_marginRight="10dp"
-                        android:layout_marginTop="10dp"
-                        android:background="#444444"
-                        android:orientation="vertical"
-                        android:weightSum="1">
-
-
-                        <ToggleButton
-                            android:id="@+id/useVolume"
-                            android:layout_width="match_parent"
-                            android:layout_height="wrap_content"
-                            android:layout_margin="10dp"
-                            android:layout_marginLeft="10dp"
-                            android:layout_marginRight="10dp"
-                            android:layout_marginTop="10dp"
-                            android:text="nothing"
-                            android:textOff="@string/no_volume"
-                            android:textOn="@string/use_volume" />
-
-                        <!--<CheckBox-->
-                        <!--android:layout_height="wrap_content"-->
-                        <!--android:layout_width="match_parent"-->
-                        <!--android:textAppearance="?android:attr/textAppearanceMedium"-->
-                        <!--android:text="@string/use_volume"-->
-                        <!--android:id="@+id/useVolume"/>-->
-
-                        <!--<CheckBox-->
-                        <!--android:layout_height="wrap_content"-->
-                        <!--android:layout_width="match_parent"-->
-                        <!--android:textAppearance="?android:attr/textAppearanceMedium"-->
-                        <!--android:text="@string/tracking"-->
-                        <!--android:id="@+id/Tracking"/>-->
-
-
-
-                        <Button
-                            android:id="@+id/button_select"
-                            android:layout_width="match_parent"
-                            android:layout_height="wrap_content"
-                            android:layout_gravity="bottom"
-                            android:layout_marginLeft="10dp"
-                            android:layout_marginTop="10dp"
-                            android:layout_marginBottom="10dp"
-                            android:layout_marginRight="10dp"
-                            android:onClick="selectFolder"
-                            android:text="@string/select_folder" />
-
-
-
-                    </LinearLayout>
-
-
-                </LinearLayout>
-
-                <LinearLayout
-                    android:id="@+id/tab2"
-                    android:layout_width="match_parent"
-                    android:layout_height="match_parent"
-                    android:layout_marginLeft="10dp"
-                    android:layout_marginRight="10dp"
-                    android:layout_marginTop="15dp"
-                    android:background="#333333"
-                    android:orientation="vertical"
-                    android:text="@string/text_tab2">
-
-                    <TextView
-                        android:id="@+id/textView_path2"
-                        android:layout_width="fill_parent"
-                        android:layout_height="40dp"
-                        android:layout_marginBottom="2dp"
-                        android:layout_marginLeft="10dp"
-                        android:background="#444444"
-                        android:layout_marginRight="10dp"
-                        android:layout_marginTop="13dp"
-                        android:text="@string/text_res_tittle3"
-                        android:textAppearance="?android:attr/textAppearanceMedium"
-                        android:textSize="20sp"
-                        android:gravity="center_vertical|center_horizontal" />
-
-                    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-                        xmlns:tools="http://schemas.android.com/tools"
-                        android:layout_width="match_parent"
-                        android:layout_height="match_parent"
-                        android:layout_marginBottom="10dp"
-                        android:layout_marginLeft="10dp"
-                        android:layout_marginRight="10dp"
-                        android:layout_marginTop="10dp"
-                        android:background="#444444"
-                        android:orientation="vertical"
-                        android:weightSum="1">
-
-                        <TextView
-                            android:id="@+id/textView_args"
-                            android:layout_width="wrap_content"
-                            android:layout_height="wrap_content"
-                            android:layout_marginBottom="10dp"
-                            android:layout_marginLeft="10dp"
-                            android:layout_marginRight="10dp"
-                            android:layout_marginTop="20dp"
-                            android:text="@string/cmd_args_text"
-                            android:textAppearance="?android:attr/textAppearanceMedium" />
-
-                        <EditText
-                            android:id="@+id/cmdArgs"
-                            android:layout_width="match_parent"
-                            android:layout_height="wrap_content"
-                            android:layout_marginBottom="10dp"
-                            android:layout_marginLeft="10dp"
-                            android:layout_marginRight="10dp"
-                            android:layout_marginTop="3dp" />
-
-                        <TextView
-                            android:id="@+id/textView_path"
-                            android:layout_width="fill_parent"
-                            android:layout_height="wrap_content"
-                            android:layout_marginBottom="10dp"
-                            android:layout_marginLeft="10dp"
-                            android:layout_marginRight="10dp"
-                            android:layout_marginTop="3dp"
-                            android:text="@string/text_res_path"
-                            android:textAppearance="?android:attr/textAppearanceMedium" />
-
-                        <EditText
-                            android:id="@+id/cmdPath"
-                            android:layout_width="match_parent"
-                            android:layout_height="wrap_content"
-                            android:layout_marginBottom="10dp"
-                            android:layout_marginLeft="10dp"
-                            android:layout_marginRight="10dp"
-                            android:layout_marginTop="3dp" />
-
-
-                        <Button
-                            android:id="@+id/button_shortcut"
-                            android:layout_width="match_parent"
-                            android:layout_height="wrap_content"
-                            android:layout_marginBottom="10dp"
-                            android:layout_marginLeft="10dp"
-                            android:layout_marginRight="10dp"
-                            android:layout_marginTop="10dp"
-                            android:onClick="createShortcut"
-                            android:text="@string/create_shortcut_button" />
-                    <Spinner
-			    android:layout_height="match_parent"
-			    android:layout_width="wrap_content"
-			    android:id="@+id/pixelSpinner"
-                            android:layout_marginBottom="10dp"
-                            android:layout_marginLeft="10dp"
-                            android:layout_marginRight="10dp"
-                            android:layout_marginTop="10dp"/>
-
-                        <TextView
-                            android:id="@+id/textView7"
-                            android:layout_marginBottom="10dp"
-                            android:layout_width="fill_parent"
-                            android:layout_height="0dp"
-                            android:layout_gravity="center_horizontal"
-                            android:layout_weight="1"
-                            android:clickable="false" />
-                    </LinearLayout>
-                </LinearLayout>
-
-
-            </FrameLayout>
-
-            </ScrollView>
-        </LinearLayout>
-
-    </TabHost>
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="50dp"
-        android:background="#444444"
-        android:layout_marginBottom="-20dp"
-        android:paddingTop="5dp"
-        android:layout_gravity="bottom"
-        android:orientation="horizontal">
-
-        <Button
-            android:id="@+id/button_about"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_gravity="left"
-
-            android:onClick="aboutXash"
-            android:text="@string/about_button" />
-
-        <Button
-            android:id="@+id/button_launch"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_column="6"
-            android:layout_marginLeft="0dp"
-            android:layout_weight="0.87"
-            android:onClick="startXash"
-            android:text="@string/launch_button" />
-
-    </LinearLayout>
-
-
-</LinearLayout>
-
+			  xmlns:tools="http://schemas.android.com/tools"
+			  android:id="@+id/layout_shortcut"
+			  android:layout_width="match_parent"
+			  android:layout_height="match_parent"
+			  android:orientation="vertical"
+			  android:background="#252525"
+			  android:weightSum="1"
+			  tools:context="in.celest.xash3d.LauncherActivity">
+	<TextView
+		android:id="@+id/textView_tittle"
+		android:layout_width="fill_parent"
+		android:layout_height="50dp"
+		android:layout_marginBottom="1dp"
+		android:layout_marginLeft="5dp"
+		android:background="#555555"
+		android:layout_marginRight="5dp"
+		android:layout_marginTop="20dp"
+		android:text="@string/launcher_name"
+		android:textAppearance="?android:attr/textAppearanceMedium"
+		android:textSize="25sp"
+		android:drawableLeft="@drawable/ic_launcher"
+		android:drawablePadding="10dp"
+		android:singleLine="true"
+		android:gravity="center_vertical" />
+	<TabHost
+		android:id="@+id/tabhost"
+		android:layout_width="match_parent"
+		android:layout_height="match_parent"
+		android:layout_weight="1.20"
+		android:paddingBottom="10dp"
+		android:paddingLeft="3dp"
+		android:paddingRight="3dp"
+		android:paddingTop="8dp">
+		<LinearLayout
+			android:layout_width="match_parent"
+			android:layout_height="match_parent"
+			android:background="#555555"
+			android:orientation="vertical">
+			<TabWidget
+				android:id="@android:id/tabs"
+				android:layout_width="match_parent"
+				android:layout_height="wrap_content"
+				android:showDividers="middle" />
+			<ScrollView
+				android:layout_width="match_parent"
+				android:layout_height="match_parent"
+				android:id="@+id/scrollView2">
+				<FrameLayout
+					android:id="@android:id/tabcontent"
+					android:layout_width="match_parent"
+					android:layout_height="match_parent">
+					<LinearLayout
+						android:id="@+id/tab1"
+						android:layout_width="match_parent"
+						android:layout_height="wrap_content"
+						android:layout_marginLeft="10dp"
+						android:layout_marginRight="10dp"
+						android:layout_marginTop="15dp"
+						android:layout_marginBottom="25dp"
+						android:background="#333333"
+						android:orientation="vertical"
+						android:text="@string/text_tab1"
+						android:weightSum="0.6">
+						<TextView
+							android:id="@+id/textView_path1"
+							android:layout_width="fill_parent"
+							android:layout_height="40dp"
+							android:layout_marginBottom="2dp"
+							android:layout_marginLeft="10dp"
+							android:background="#444444"
+							android:layout_marginRight="10dp"
+							android:layout_marginTop="10dp"
+							android:text="@string/text_res_tittle2"
+							android:textAppearance="?android:attr/textAppearanceMedium"
+							android:textSize="20sp"
+							android:gravity="center_vertical|center_horizontal" />
+						<LinearLayout 
+							android:layout_width="match_parent"
+							android:layout_height="match_parent"
+							android:layout_marginBottom="10dp"
+							android:layout_marginLeft="10dp"
+							android:layout_marginRight="10dp"
+							android:layout_marginTop="10dp"
+							android:background="#444444"
+							android:orientation="vertical"
+							android:weightSum="1">
+							<ToggleButton
+								android:id="@+id/useVolume"
+								android:layout_width="match_parent"
+								android:layout_height="wrap_content"
+								android:layout_margin="10dp"
+								android:layout_marginLeft="10dp"
+								android:layout_marginRight="10dp"
+								android:layout_marginTop="10dp"
+								android:text="nothing"
+								android:textOff="@string/no_volume"
+								android:textOn="@string/use_volume" />
+							<!--
+							<CheckBox
+								android:layout_height="wrap_content"
+								android:layout_width="match_parent"
+								android:textAppearance="?android:attr/textAppearanceMedium"
+								android:text="@string/use_volume"
+								android:id="@+id/useVolume"/>
+							-->
+							
+							<!--
+							<CheckBox
+								android:layout_height="wrap_content"
+								android:layout_width="match_parent"
+								android:textAppearance="?android:attr/textAppearanceMedium"
+								android:text="@string/tracking"
+								android:id="@+id/Tracking"/>
+							-->
+							<Button
+								android:id="@+id/button_select"
+								android:layout_width="match_parent"
+								android:layout_height="wrap_content"
+								android:layout_gravity="bottom"
+								android:layout_marginLeft="10dp"
+								android:layout_marginTop="10dp"
+								android:layout_marginBottom="10dp"
+								android:layout_marginRight="10dp"
+								android:onClick="selectFolder"
+								android:text="@string/select_folder" />
+						</LinearLayout>
+					</LinearLayout>
+					<LinearLayout
+						android:id="@+id/tab2"
+						android:layout_width="match_parent"
+						android:layout_height="match_parent"
+						android:layout_marginLeft="10dp"
+						android:layout_marginRight="10dp"
+						android:layout_marginTop="15dp"
+						android:background="#333333"
+						android:orientation="vertical"
+						android:text="@string/text_tab2">
+						<TextView
+							android:id="@+id/textView_path2"
+							android:layout_width="fill_parent"
+							android:layout_height="40dp"
+							android:layout_marginBottom="2dp"
+							android:layout_marginLeft="10dp"
+							android:background="#444444"
+							android:layout_marginRight="10dp"
+							android:layout_marginTop="13dp"
+							android:text="@string/text_res_tittle3"
+							android:textAppearance="?android:attr/textAppearanceMedium"
+							android:textSize="20sp"
+							android:gravity="center_vertical|center_horizontal" />
+						<LinearLayout 
+							android:layout_width="match_parent"
+							android:layout_height="match_parent"
+							android:layout_marginBottom="10dp"
+							android:layout_marginLeft="10dp"
+							android:layout_marginRight="10dp"
+							android:layout_marginTop="10dp"
+							android:background="#444444"
+							android:orientation="vertical"
+							android:weightSum="1">
+							<TextView
+								android:id="@+id/textView_args"
+								android:layout_width="wrap_content"
+								android:layout_height="wrap_content"
+								android:layout_marginBottom="10dp"
+								android:layout_marginLeft="10dp"
+								android:layout_marginRight="10dp"
+								android:layout_marginTop="20dp"
+								android:text="@string/cmd_args_text"
+								android:textAppearance="?android:attr/textAppearanceMedium" />
+							<EditText
+								android:id="@+id/cmdArgs"
+								android:layout_width="match_parent"
+								android:layout_height="wrap_content"
+								android:layout_marginBottom="10dp"
+								android:layout_marginLeft="10dp"
+								android:layout_marginRight="10dp"
+								android:layout_marginTop="3dp" />
+							<TextView
+								android:id="@+id/textView_path"
+								android:layout_width="fill_parent"
+								android:layout_height="wrap_content"
+								android:layout_marginBottom="10dp"
+								android:layout_marginLeft="10dp"
+								android:layout_marginRight="10dp"
+								android:layout_marginTop="3dp"
+								android:text="@string/text_res_path"
+								android:textAppearance="?android:attr/textAppearanceMedium" />
+							<EditText
+								android:id="@+id/cmdPath"
+								android:layout_width="match_parent"
+								android:layout_height="wrap_content"
+								android:layout_marginBottom="10dp"
+								android:layout_marginLeft="10dp"
+								android:layout_marginRight="10dp"
+								android:layout_marginTop="3dp" />
+							<Button
+								android:id="@+id/button_shortcut"
+								android:layout_width="match_parent"
+								android:layout_height="wrap_content"
+								android:layout_marginBottom="10dp"
+								android:layout_marginLeft="10dp"
+								android:layout_marginRight="10dp"
+								android:layout_marginTop="10dp"
+								android:onClick="createShortcut"
+								android:text="@string/create_shortcut_button" />
+							<Spinner
+								android:layout_height="match_parent"
+								android:layout_width="wrap_content"
+								android:id="@+id/pixelSpinner"
+								android:layout_marginBottom="10dp"
+								android:layout_marginLeft="10dp"
+								android:layout_marginRight="10dp"
+								android:layout_marginTop="10dp" />
+							<CheckBox
+								android:id="@+id/check_updates"
+								android:layout_width="match_parent"
+								android:layout_height="wrap_content"
+								android:layout_margin="10dp"
+								android:layout_marginLeft="10dp"
+								android:layout_marginRight="10dp"
+								android:layout_marginTop="10dp"
+								android:text="@string/update_button" />
+							<TextView
+								android:id="@+id/textView7"
+								android:layout_marginBottom="10dp"
+								android:layout_width="fill_parent"
+								android:layout_height="0dp"
+								android:layout_gravity="center_horizontal"
+								android:layout_weight="1"
+								android:clickable="false" />
+						</LinearLayout>
+					</LinearLayout>
+				</FrameLayout>
+			</ScrollView>
+		</LinearLayout>
+	</TabHost>
+	<LinearLayout
+		android:layout_width="match_parent"
+		android:layout_height="50dp"
+		android:background="#444444"
+		android:layout_marginBottom="-20dp"
+		android:paddingTop="5dp"
+		android:layout_gravity="bottom"
+		android:orientation="horizontal">
+		<Button
+			android:id="@+id/button_about"
+			android:layout_width="wrap_content"
+			android:layout_height="wrap_content"
+			android:layout_gravity="left"
+			android:onClick="aboutXash"
+			android:text="@string/about_button" />
+		<Button
+			android:id="@+id/button_launch"
+			android:layout_width="wrap_content"
+			android:layout_height="wrap_content"
+			android:layout_column="6"
+			android:layout_marginLeft="0dp"
+			android:layout_weight="0.87"
+			android:onClick="startXash"
+			android:text="@string/launch_button" />
+	</LinearLayout>
+</LinearLayout>
\ No newline at end of file
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 19b742ab..1283762e 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-
     <string name="app_name">Xash3D</string>
 	<string name="launcher_name">Xash3D</string>
 	<string name="launcher_name_test">Xash3D (test)</string>
+	<string name="version_string" translatable="false">v0.17.1</string>
 
     <string name="launch_button">Launch Xash3D!</string>
     <string name="cmd_args_text">Command line arguments(experts only)</string>
@@ -16,26 +16,29 @@
 	<string name="pkgname">Mod package name (experts only)</string>
 	<string name="shortcut_name">Shortcut name</string>
 
-<!-- TODO: Remove or change this placeholder text -->
     <string name="about_main">Xash3D Android</string>
     <string name="about_copyright">SDLash3D is not affiliated with Valve or any of their partners. All copyrights reserved to their respective owners.</string>
-    <string name="version_string" translatable="false">v0.17.1</string>
-    <string name="about_authors">Port to Android by SDLash3D team: \n
-&#8226; a1batross\n
-&#8226; mittorn \n
-&#8226; nicknekit.\n
+	<!-- Seems Android skips any line breaks and tabs here. -->
+    <string name="about_authors">
+		Port to Android by SDLash3D team: \n
+		&#8226; a1batross\n
+		&#8226; mittorn \n
+		&#8226; nicknekit.\n
 
-Special thanks to:\n
-&#8226; Uncle Mike for Xash3D engine\n
-&#8226; Valve for Half-Life\n
-&#8226; libSDL2 developers.\n</string>
-<string name="about_links">Follow us in: 
-	&#8226; <a href="https://vk.com/xashdroid">VK</a>
-	&#8226; <a href="http://moddb.com/game/xash3d-android">ModDB</a>
-	&#8226; <a href="https://github.com/SDLash3D">GitHub</a></string>
-    <string name="about_button">About Xash3D Android</string>
+		Special thanks to:\n
+		&#8226; Uncle Mike for Xash3D engine\n
+		&#8226; Valve for Half-Life\n
+		&#8226; libSDL2 developers.\n
+	</string>
+	<string name="about_links">
+		Follow us in: \n
+		&#8226; <a href="https://vk.com/xashdroid">VK</a>\n
+		&#8226; <a href="http://moddb.com/game/xash3d-android">ModDB</a>\n
+		&#8226; <a href="https://github.com/SDLash3D">GitHub</a>
+	</string>
+    <string name="about_button">About</string>
     <string name="create_shortcut_button">Create mod shortcut</string>
-    <string name="select_folder">(select)</string>
+    <string name="select_folder">Select game data location</string>
     
     <string name="text_tab1">Normal</string>
     <string name="text_tab2">Advanced</string>
@@ -44,4 +47,11 @@ Special thanks to:\n
     <string name="use_volume">Gamepad support off!</string>
     <string name="no_volume">Gamepad support active!</string>
     <string name="folder">Set current folder</string>
+	
+	<string name="update_button">Check updates on start</string>
+	<string name="update_message">%s is available!</string>
+	<string name="update">Update</string>
+	<string name="cancel">Cancel</string>
+	<string name="no_updates">No updates was found</string>
+	<string name="checking_updates">Working...</string>
 </resources>
diff --git a/src/in/celest/xash3d/LauncherActivity.java b/src/in/celest/xash3d/LauncherActivity.java
index 5c0e1036..4c9471e5 100644
--- a/src/in/celest/xash3d/LauncherActivity.java
+++ b/src/in/celest/xash3d/LauncherActivity.java
@@ -2,44 +2,67 @@ package in.celest.xash3d;
 
 import android.app.Activity;
 import android.app.Dialog;
+import android.app.AlertDialog;
+
+import android.os.AsyncTask;
 import android.os.Bundle;
 import android.os.Build;
+import android.os.Environment;
+
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
-import android.content.Intent;
 import android.view.Window;
-import android.widget.EditText;
-import android.widget.CheckBox;
-import android.widget.CompoundButton;
-import android.widget.Button;
-import android.widget.Spinner;
-import android.widget.ArrayAdapter;
 
+import android.content.Intent;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.content.SharedPreferences;
 import android.content.DialogInterface;
 import android.content.DialogInterface.OnDismissListener;
-import android.net.Uri;
-import android.os.Environment;
-import java.lang.reflect.Method;
-import java.util.List;
-import java.io.File;
+
+import android.widget.EditText;
+import android.widget.CheckBox;
+import android.widget.CompoundButton;
+import android.widget.Button;
+import android.widget.Spinner;
+import android.widget.ArrayAdapter;
 import android.widget.TabHost;
 import android.widget.ToggleButton;
+import android.widget.Toast;
+
+import android.net.Uri;
+
+import android.util.Log;
+
+import java.lang.reflect.Method;
+
+import java.util.List;
+
+import java.io.File;
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+import java.io.FileOutputStream;
+
+import java.net.URLConnection;
+import java.net.URL;
+
+import org.json.*;
 
 import in.celest.xash3d.hl.R;
 
 public class LauncherActivity extends Activity {
    // public final static String ARGV = "in.celest.xash3d.MESSAGE";
    	public final static int sdk = Integer.valueOf(Build.VERSION.SDK);
+	public final static String UPDATE_LINK = "https://api.github.com/repos/SDLash3D/xash3d-android-project/releases/latest";
 	static EditText cmdArgs;
 	static ToggleButton useVolume;
+	static CheckBox	checkUpdates;
 	static EditText resPath;
 	static SharedPreferences mPref;
 	static Spinner pixelSpinner;
+	
 	String getDefaultPath()
 	{
 		File dir = Environment.getExternalStorageDirectory();
@@ -47,104 +70,87 @@ public class LauncherActivity extends Activity {
 			return dir.getPath() + "/xash";
 		return "/sdcard/xash";
 	}
+    
     @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        this.requestWindowFeature(Window.FEATURE_NO_TITLE);
-        //super.setTheme( 0x01030005 );
-        if ( sdk >= 21 )
+    protected void onCreate(Bundle savedInstanceState)
+    {
+		super.onCreate(savedInstanceState);
+		this.requestWindowFeature(Window.FEATURE_NO_TITLE);
+		//super.setTheme( 0x01030005 );
+		if ( sdk >= 21 )
 		super.setTheme( 0x01030224 );
-        setContentView(R.layout.activity_launcher);
+		setContentView(R.layout.activity_launcher);
 
-	TabHost tabHost = (TabHost) findViewById(R.id.tabhost);
+		TabHost tabHost = (TabHost) findViewById(R.id.tabhost);
+		tabHost.setup();
+		
+		TabHost.TabSpec tabSpec;
+		tabSpec = tabHost.newTabSpec("tabtag1");
+		tabSpec.setIndicator(getString(R.string.text_tab1));
+		tabSpec.setContent(R.id.tab1);
+		tabHost.addTab(tabSpec);
 
-	tabHost.setup();
+		tabSpec = tabHost.newTabSpec("tabtag2");
+		tabSpec.setIndicator(getString(R.string.text_tab2));
+		tabSpec.setContent(R.id.tab2);
+		tabHost.addTab(tabSpec);
 
-	TabHost.TabSpec tabSpec;
-	tabSpec = tabHost.newTabSpec("tabtag1");
-	tabSpec.setIndicator(getString(R.string.text_tab1));
-	tabSpec.setContent(R.id.tab1);
-	tabHost.addTab(tabSpec);
+		mPref		 = getSharedPreferences("engine", 0);
+		cmdArgs		 = (EditText)findViewById(R.id.cmdArgs);
+		useVolume	 = ( ToggleButton ) findViewById( R.id.useVolume );
+		resPath		 = ( EditText ) findViewById( R.id.cmdPath );
+		checkUpdates = (CheckBox)findViewById(R.id.check_updates);
+		pixelSpinner = (Spinner) findViewById(R.id.pixelSpinner);
 
-	tabSpec = tabHost.newTabSpec("tabtag2");
-	tabSpec.setIndicator(getString(R.string.text_tab2));
-	tabSpec.setContent(R.id.tab2);
-	tabHost.addTab(tabSpec);
+		final String[] list = {
+			"RGBA8888",
+			"RGBA888",
+			"RGB565",
+			"RGBA5551",
+			"RGBA4444",
+			"RGB332"
+		};
+		ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,android.R.layout.simple_spinner_item, list);
+		adapter.setDropDownViewResource(android.R.layout.simple_spinner_item);
+		pixelSpinner.setAdapter(adapter);
+		useVolume.setChecked(mPref.getBoolean("usevolume",true));
+		checkUpdates.setChecked(mPref.getBoolean("check_updates",true));
+		resPath.setText(mPref.getString("basedir", getDefaultPath()));
+		cmdArgs.setText(mPref.getString("argv","-dev 3 -log"));
+		pixelSpinner.setSelection(mPref.getInt("pixelformat", 0));
+
+		if(mPref.getBoolean("check_updates", true))
+		{
+			new RetrieveJSON(true).execute(UPDATE_LINK);
+		}
 
-	final String[] list = {
-	"RGBA8888",
-	"RGBA888",
-	"RGB565",
-	"RGBA5551",
-	"RGBA4444",
-	"RGB332"
-	};
-	pixelSpinner = (Spinner) findViewById(R.id.pixelSpinner);
-	ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,android.R.layout.simple_spinner_item, list);
-	//ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this, list, android.R.layout.simple_spinner_item);
-	adapter.setDropDownViewResource(android.R.layout.simple_spinner_item);
-	pixelSpinner.setAdapter(adapter);
-        Button selectFolderButton = ( Button ) findViewById( R.id.button_select );
-        selectFolderButton.setOnClickListener(new View.OnClickListener(){
-           	   @Override
-            public void onClick(View v) {
-			selectFolder(v);
-                }
-        });
-        ((Button)findViewById( R.id.button_launch )).setOnClickListener(new View.OnClickListener(){
-           	   @Override
-            public void onClick(View v) {
-			startXash(v);
-                }
-        });
-        ((Button)findViewById( R.id.button_shortcut )).setOnClickListener(new View.OnClickListener(){
-           	   @Override
-            public void onClick(View v) {
-			createShortcut(v);
-                }
-        });
-        ((Button)findViewById( R.id.button_about )).setOnClickListener(new View.OnClickListener(){
-           	   @Override
-            public void onClick(View v) {
-			aboutXash(v);
-                }
-        });
-//		if ( Build.VERSION.SDK_INT < 21 )
-//			selectFolder.setVisibility( View.GONE );
-	mPref = getSharedPreferences("engine", 0);
-	cmdArgs = (EditText)findViewById(R.id.cmdArgs);
-	cmdArgs.setText(mPref.getString("argv","-dev 3 -log"));
-	useVolume = ( ToggleButton ) findViewById( R.id.useVolume );
-	useVolume.setChecked(mPref.getBoolean("usevolume",true));
-	resPath = ( EditText ) findViewById( R.id.cmdPath );
-	resPath.setText(mPref.getString("basedir", getDefaultPath()));
-	pixelSpinner.setSelection(mPref.getInt("pixelformat", 0));
 	}
 
     public void startXash(View view)
     {
-	Intent intent = new Intent(this, XashActivity.class);
-	intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+		Intent intent = new Intent(this, XashActivity.class);
+		intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
 
-	SharedPreferences.Editor editor = mPref.edit();
-	editor.putString("argv", cmdArgs.getText().toString());
-	editor.putBoolean("usevolume",useVolume.isChecked());
-	editor.putString("basedir", resPath.getText().toString());
-	editor.putInt("pixelformat", pixelSpinner.getSelectedItemPosition());
-	editor.commit();
-	startActivity(intent);
+		SharedPreferences.Editor editor = mPref.edit();
+		editor.putString("argv", cmdArgs.getText().toString());
+		editor.putBoolean("usevolume",useVolume.isChecked());
+		editor.putString("basedir", resPath.getText().toString());
+		editor.putInt("pixelformat", pixelSpinner.getSelectedItemPosition());
+		editor.putBoolean("check_updates", checkUpdates.isChecked());
+		editor.commit();
+		startActivity(intent);
     }
 
 	public void aboutXash(View view)
 	{
 		final Activity a = this;
-		this.runOnUiThread(new Runnable() {
+		this.runOnUiThread(new Runnable() 
+		{
 			public void run()
 			{
 				final Dialog dialog = new Dialog(a);
 				dialog.setContentView(R.layout.about);
 				dialog.setCancelable(true);
-
 				dialog.show();
 			}
 		});
@@ -154,30 +160,32 @@ public class LauncherActivity extends Activity {
 	{
 		Intent intent = new Intent(this, in.celest.xash3d.FPicker.class);
 		//intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-	//	Intent intent = new Intent("android.intent.action.OPEN_DOCUMENT_TREE");
+		//Intent intent = new Intent("android.intent.action.OPEN_DOCUMENT_TREE");
 		startActivityForResult(intent, 42);
 		resPath.setEnabled(false);
 	}
 
-public void onActivityResult(int requestCode, int resultCode, Intent resultData) {
-		if (resultCode == RESULT_OK) {
-try{
-
-		resPath = ( EditText ) findViewById( R.id.cmdPath );
-		resPath.setText( resultData.getStringExtra("GetPath"));
-
-//	final List<String> paths = resultData.getData().getPathSegments();
-//			String[] parts = paths.get(1).split(":");
-//			String storagepath = Environment.getExternalStorageDirectory().getPath() + "/";
-//			String path = storagepath + parts[1];
-//			if( path != null)
-//				resPath.setText( path );
-			resPath.setEnabled(true);
-		}
-		catch(Exception e)
+	public void onActivityResult(int requestCode, int resultCode, Intent resultData) 
+	{
+		if (resultCode == RESULT_OK) 
 		{
-			e.printStackTrace();
-		}
+			try	
+			{
+				resPath = ( EditText ) findViewById( R.id.cmdPath );
+				resPath.setText( resultData.getStringExtra("GetPath"));
+
+//				final List<String> paths = resultData.getData().getPathSegments();
+//				String[] parts = paths.get(1).split(":");
+//				String storagepath = Environment.getExternalStorageDirectory().getPath() + "/";
+//				String path = storagepath + parts[1];
+//				if( path != null)
+//					resPath.setText( path );
+				resPath.setEnabled(true);
+			}
+			catch(Exception e)
+			{
+				e.printStackTrace();
+			}
 		}
 		resPath.setEnabled(true);
 	}
@@ -212,4 +220,96 @@ try{
 
         return super.onOptionsItemSelected(item);
     }
+
+	private class RetrieveJSON extends AsyncTask<String, Void, String> {
+		InputStream is = null;
+		ByteArrayOutputStream os = null;
+		boolean mSilent;
+
+		public RetrieveJSON( boolean silent )
+		{
+			mSilent = silent;
+		}
+
+		protected String doInBackground(String... urls) {
+			try
+			{
+				URL url = new URL(urls[0]);
+				is = url.openConnection().getInputStream();
+				os = new ByteArrayOutputStream();
+
+				byte[] buffer = new byte[8196];
+				int len;
+
+				while ((len = is.read(buffer)) > 0)
+				{
+					os.write(buffer, 0, len);
+				}
+				return os.toString();
+			}
+			catch(Exception e)
+			{
+				e.printStackTrace();
+				return null;
+			}
+		}
+
+		protected void onPostExecute(String result)
+		{
+			try
+			{
+				if (is != null)
+				{
+					is.close();
+					is = null;
+				}
+			}
+			catch(Exception e)
+			{
+				e.printStackTrace();
+			}
+			JSONObject obj = new JSONObject(os.toString());
+
+			try
+			{
+				if (os != null) {
+					os.close();
+					os = null;
+				}
+			}
+			catch(Exception e)
+			{
+				e.printStackTrace();
+			}
+			final String version = obj.getString("tag_name");
+			final String url 	 = obj.getString("html_url");
+			final String name	 = obj.getString("name");
+
+			Log.d("Xash", "Found: " + version +
+				", I: " + getString(R.string.version_string));
+
+			if( !getString(R.string.version_string).equals(version) )
+			{
+				String dialog_message = getString(R.string.update_message).format(name);
+				AlertDialog.Builder builder = new AlertDialog.Builder(getBaseContext());
+				builder.setMessage(dialog_message)
+					.setPositiveButton(R.string.update, new DialogInterface.OnClickListener()
+					{
+						public void onClick(DialogInterface dialog, int id) {
+							final Intent intent = new Intent(Intent.ACTION_VIEW).setData(Uri.parse(url));
+							startActivity(intent);
+						}
+					})
+					.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener()
+					{
+						public void onClick(DialogInterface dialog, int which){}
+					});
+				builder.create().show();
+			}
+			else if( !mSilent )
+			{
+				Toast.makeText(getBaseContext(), R.string.no_updates, Toast.LENGTH_SHORT).show();
+			}
+		}
+	}
 }