v0.8.2: added some basic support for demo and instant app functionality

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

@@ -29,8 +29,16 @@ public abstract class UpdateService {
 		public abstract void onConnectionFailed();
 	}
 
+	//whether the app is updateable via an ingame prompt (e.g. not a demo or an android instant app)
+	public abstract boolean isUpdateable();
+
 	public abstract void checkForUpdate( boolean useMetered, UpdateResultCallback callback );
 
 	public abstract void initializeUpdate( AvailableUpdateData update );
 
+	//whether the app installable via an ingame prompt (e.g. a demo, or an android instant app)
+	public abstract boolean isInstallable();
+
+	public abstract void initializeInstall();
+
 }

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

@@ -29,6 +29,11 @@ public class DebugUpdates extends UpdateService {
 
 	private static AvailableUpdateData debugUpdateInfo;
 
+	@Override
+	public boolean isUpdateable() {
+		return false; //turn on to debug update prompts
+	}
+
 	@Override
 	public void checkForUpdate(boolean useMetered, UpdateResultCallback callback) {
 
@@ -37,18 +42,11 @@ public class DebugUpdates extends UpdateService {
 			return;
 		}
 
-		//turn on to test update UI
-		if (false){
-			debugUpdateInfo = new AvailableUpdateData();
-			debugUpdateInfo.versionCode = Game.versionCode+1;
-			debugUpdateInfo.URL = "http://www.google.com";
+		debugUpdateInfo = new AvailableUpdateData();
+		debugUpdateInfo.versionCode = Game.versionCode+1;
+		debugUpdateInfo.URL = "http://www.google.com";
 
-			callback.onUpdateAvailable(debugUpdateInfo);
-		} else {
-			debugUpdateInfo = null;
-
-			callback.onNoUpdateFound();
-		}
+		callback.onUpdateAvailable(debugUpdateInfo);
 
 	}
 
@@ -57,4 +55,14 @@ public class DebugUpdates extends UpdateService {
 		DeviceCompat.openURI( update.URL );
 	}
 
+	@Override
+	public boolean isInstallable() {
+		return false; //turn on to test install prompts
+	}
+
+	@Override
+	public void initializeInstall() {
+		//does nothing
+	}
+
 }

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

@@ -38,6 +38,11 @@ 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 boolean isUpdateable() {
+		return true;
+	}
+
 	@Override
 	public void checkForUpdate(boolean useMetered, UpdateResultCallback callback) {
 
@@ -120,4 +125,14 @@ public class GitHubUpdates extends UpdateService {
 		DeviceCompat.openURI( update.URL );
 	}
 
+	@Override
+	public boolean isInstallable() {
+		return false;
+	}
+
+	@Override
+	public void initializeInstall() {
+		//does nothing, always installed
+	}
+
 }