Integrate help buttons into dialogs and the PcView

app/src/main/java/com/limelight/utils/HelpLauncher.java

@@ -0,0 +1,35 @@
+package com.limelight.utils;
+
+import android.content.ActivityNotFoundException;
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+
+import com.limelight.HelpActivity;
+
+public class HelpLauncher {
+
+    private static void launchUrl(Context context, String url) {
+        Intent i = new Intent(Intent.ACTION_VIEW);
+        i.setData(Uri.parse(url));
+
+        // Try to launch the default browser
+        try {
+            context.startActivity(i);
+        } catch (ActivityNotFoundException e) {
+            // This platform has no browser (possibly a leanback device)
+            // We'll launch our WebView activity
+            i = new Intent(context, HelpActivity.class);
+            i.setData(Uri.parse(url));
+            context.startActivity(i);
+        }
+    }
+
+    public static void launchSetupGuide(Context context) {
+        launchUrl(context, "https://github.com/moonlight-stream/moonlight-docs/wiki/Setup-Guide");
+    }
+
+    public static void launchTroubleshooting(Context context) {
+        launchUrl(context, "https://github.com/moonlight-stream/moonlight-docs/wiki/Troubleshooting");
+    }
+}