v0.8.0: added an update notification service

services/build.gradle

@@ -0,0 +1,4 @@
+apply plugin: 'java-library'
+
+[compileJava, compileTestJava]*.options*.encoding = 'UTF-8'
+sourceCompatibility = targetCompatibility = appJavaCompatibility

services/src/main/java/com/shatteredpixel/shatteredpixeldungeon/services/updates/AvailableUpdateData.java

@@ -0,0 +1,33 @@
+/*
+ * Pixel Dungeon
+ * Copyright (C) 2012-2015 Oleg Dolya
+ *
+ * Shattered Pixel Dungeon
+ * Copyright (C) 2014-2019 Evan Debenham
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+package com.shatteredpixel.shatteredpixeldungeon.services.updates;
+
+public class AvailableUpdateData {
+
+	public String versionName;
+	public int versionCode;
+
+	public String desc;
+
+	public String URL;
+
+}

services/src/main/java/com/shatteredpixel/shatteredpixeldungeon/services/updates/UpdateService.java

@@ -0,0 +1,36 @@
+/*
+ * Pixel Dungeon
+ * Copyright (C) 2012-2015 Oleg Dolya
+ *
+ * Shattered Pixel Dungeon
+ * Copyright (C) 2014-2019 Evan Debenham
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+package com.shatteredpixel.shatteredpixeldungeon.services.updates;
+
+public abstract class UpdateService {
+
+	public static abstract class UpdateResultCallback {
+		public abstract void onUpdateAvailable( AvailableUpdateData update );
+		public abstract void onNoUpdateFound();
+		public abstract void onConnectionFailed();
+	}
+
+	public abstract void checkForUpdate( UpdateResultCallback callback );
+
+	public abstract void initializeUpdate( AvailableUpdateData update );
+
+}

services/updates/debugUpdates/build.gradle

@@ -0,0 +1,9 @@
+apply plugin: 'java-library'
+
+[compileJava, compileTestJava]*.options*.encoding = 'UTF-8'
+sourceCompatibility = targetCompatibility = appJavaCompatibility
+
+dependencies {
+    implementation project(':SPD-classes')
+    api project(':services')
+}

services/updates/debugUpdates/src/main/java/com/shatteredpixel/shatteredpixeldungeon/services/updates/DebugUpdates.java

@@ -0,0 +1,55 @@
+/*
+ * Pixel Dungeon
+ * Copyright (C) 2012-2015 Oleg Dolya
+ *
+ * Shattered Pixel Dungeon
+ * Copyright (C) 2014-2019 Evan Debenham
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+package com.shatteredpixel.shatteredpixeldungeon.services.updates;
+
+
+import com.watabou.noosa.Game;
+import com.watabou.utils.DeviceCompat;
+
+public class DebugUpdates extends UpdateService {
+
+	private static AvailableUpdateData debugUpdateInfo;
+
+	@Override
+	public void checkForUpdate(UpdateResultCallback callback) {
+
+		//turn on to test update UI
+		if (false){
+			debugUpdateInfo = new AvailableUpdateData();
+			debugUpdateInfo.versionCode = Game.versionCode+1;
+			debugUpdateInfo.URL = "http://www.google.com";
+
+			callback.onUpdateAvailable(debugUpdateInfo);
+		} else {
+			debugUpdateInfo = null;
+
+			callback.onNoUpdateFound();
+		}
+
+	}
+
+	@Override
+	public void initializeUpdate(AvailableUpdateData update) {
+		DeviceCompat.openURI( update.URL );
+	}
+
+}

services/updates/debugUpdates/src/main/java/com/shatteredpixel/shatteredpixeldungeon/services/updates/UpdateImpl.java

@@ -0,0 +1,36 @@
+/*
+ * Pixel Dungeon
+ * Copyright (C) 2012-2015 Oleg Dolya
+ *
+ * Shattered Pixel Dungeon
+ * Copyright (C) 2014-2019 Evan Debenham
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+package com.shatteredpixel.shatteredpixeldungeon.services.updates;
+
+public class UpdateImpl {
+
+	private static UpdateService updateChecker = new DebugUpdates();
+
+	public static UpdateService getUpdateService(){
+		return updateChecker;
+	}
+
+	public static boolean supportsUpdates(){
+		return true;
+	}
+
+}

services/updates/githubUpdates/build.gradle

@@ -0,0 +1,9 @@
+apply plugin: 'java-library'
+
+[compileJava, compileTestJava]*.options*.encoding = 'UTF-8'
+sourceCompatibility = targetCompatibility = appJavaCompatibility
+
+dependencies {
+    implementation project(':SPD-classes')
+    api project(':services')
+}

services/updates/githubUpdates/src/main/java/com/shatteredpixel/shatteredpixeldungeon/services/updates/GitHubUpdates.java

@@ -0,0 +1,122 @@
+/*
+ * Pixel Dungeon
+ * Copyright (C) 2012-2015 Oleg Dolya
+ *
+ * Shattered Pixel Dungeon
+ * Copyright (C) 2014-2019 Evan Debenham
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+package com.shatteredpixel.shatteredpixeldungeon.services.updates;
+
+
+import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.Net;
+import com.watabou.noosa.Game;
+import com.watabou.utils.Bundle;
+import com.watabou.utils.DeviceCompat;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import javax.net.ssl.SSLProtocolException;
+
+public class GitHubUpdates extends UpdateService {
+
+	private static Pattern descPattern = Pattern.compile("(.*?)(\r\n|\n|\r)(\r\n|\n|\r)---", Pattern.DOTALL + Pattern.MULTILINE);
+	private static Pattern versionCodePattern = Pattern.compile("internal version number: ([0-9]*)", Pattern.CASE_INSENSITIVE);
+
+	@Override
+	public void checkForUpdate(UpdateResultCallback callback) {
+
+		if (!Game.platform.connectedToUnmeteredNetwork()){
+			callback.onConnectionFailed();
+		}
+
+		Net.HttpRequest httpGet = new Net.HttpRequest(Net.HttpMethods.GET);
+		httpGet.setUrl("https://api.github.com/repos/00-Evan/shattered-pixel-dungeon/releases");
+		httpGet.setHeader("Accept", "application/vnd.github.v3+json");
+
+		Gdx.net.sendHttpRequest(httpGet, new Net.HttpResponseListener() {
+			@Override
+			public void handleHttpResponse(Net.HttpResponse httpResponse) {
+				try {
+					Bundle latestRelease = null;
+					int latestVersionCode = Game.versionCode;
+
+					boolean includePrereleases = Game.version.toLowerCase().contains("beta");
+
+					for (Bundle b : Bundle.read( httpResponse.getResultAsStream() ).getBundleArray()){
+						Matcher m = versionCodePattern.matcher(b.getString("body"));
+
+						if (m.find()){
+							int releaseVersion = Integer.parseInt(m.group(1));
+							if (releaseVersion > latestVersionCode
+									&& (includePrereleases || !b.getBoolean("prerelease"))){
+								latestRelease = b;
+								latestVersionCode = releaseVersion;
+							}
+						}
+
+					}
+
+					if (latestRelease == null){
+						callback.onNoUpdateFound();
+					} else {
+
+						AvailableUpdateData update = new AvailableUpdateData();
+
+						update.versionName = latestRelease.getString("name");
+						update.versionCode = latestVersionCode;
+						Matcher m = descPattern.matcher(latestRelease.getString("body"));
+						m.find();
+						update.desc = m.group(1);
+						update.URL = latestRelease.getString("html_url");
+
+						callback.onUpdateAvailable(update);
+					}
+				} catch (Exception e) {
+					Game.reportException( e );
+					callback.onConnectionFailed();
+				}
+			}
+
+			@Override
+			public void failed(Throwable t) {
+				//Failure in SSL handshake, possibly because GitHub requires TLS 1.2+.
+				// Often happens for old OS versions with outdated security protocols.
+				// Future update attempts won't work anyway, so just pretend nothing was found.
+				if (t instanceof SSLProtocolException){
+					callback.onNoUpdateFound();
+				} else {
+					Game.reportException(t);
+					callback.onConnectionFailed();
+				}
+			}
+
+			@Override
+			public void cancelled() {
+				callback.onConnectionFailed();
+			}
+		});
+
+	}
+
+	@Override
+	public void initializeUpdate(AvailableUpdateData update) {
+		DeviceCompat.openURI( update.URL );
+	}
+
+}

services/updates/githubUpdates/src/main/java/com/shatteredpixel/shatteredpixeldungeon/services/updates/UpdateImpl.java

@@ -0,0 +1,36 @@
+/*
+ * Pixel Dungeon
+ * Copyright (C) 2012-2015 Oleg Dolya
+ *
+ * Shattered Pixel Dungeon
+ * Copyright (C) 2014-2019 Evan Debenham
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+package com.shatteredpixel.shatteredpixeldungeon.services.updates;
+
+public class UpdateImpl {
+
+	private static UpdateService updateChecker = new GitHubUpdates();
+
+	public static UpdateService getUpdateService(){
+		return updateChecker;
+	}
+
+	public static boolean supportsUpdates(){
+		return true;
+	}
+
+}