CODESYS Forge

--- a/app/src/main/java/com/codesys/forge/MainActivity.java
+++ b/app/src/main/java/com/codesys/forge/MainActivity.java
@@ -68,14 +68,18 @@
     private Context myContext;
     private WebView myWebView;
     private static final String TAG = "Main";
-    private String currentURL;
     private BottomNavigationView bottomnav;
     private SwipeRefreshLayout refreshLayout;
-    private Boolean xNews;
-    private Boolean xProjects;
-    private Boolean xTalk;
     private ViewTreeObserver.OnScrollChangedListener onScrollChangedListener;
-    private Boolean xOffline;
+    //
+    // When rotating the device, onCreate is rerun, and the instance is recreated.
+    // We make everything that should survive this layout change static.
+    //
+    private static String currentURL = "https://forge.codesys.com/forge/community-feed";
+    private static Boolean xOffline;
+    private static Boolean xNews;
+    private static Boolean xProjects;
+    private static Boolean xTalk;
 
     // cache directory
     private File getLocalCacheDir() {
@@ -142,6 +146,7 @@
 
     protected void loadUrl(String Url, String Title) {
         refreshLayout.setRefreshing(true);
+        currentURL = Url;
         myWebView.loadUrl(Url);
     }
 
@@ -266,7 +271,7 @@
         }
         else
         {
-            setOnline();
+            setOffline();
         }
 
         myWebView.loadUrl(currentURL);
@@ -315,7 +320,6 @@
         // reload page
         refreshLayout = (SwipeRefreshLayout) findViewById(R.id.swipe);
         refreshLayout.setOnRefreshListener(this);
-        myWebView.loadUrl("https://forge.codesys.com");
 
         // Override URL Loading
         myWebView.setWebViewClient(new WebViewClient() {
@@ -396,6 +400,10 @@
 
                 // remote request
                 if (url.toString().startsWith("https://forge.codesys.com")) {
+                    if(!getNetworkState()) {
+                        xOffline = true;
+                    }
+
                     if (!getOffline())
                     {
                         // online => cache all files
@@ -424,6 +432,11 @@
 
             public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
                 // load local file, stating that we're offline
+                /*
+                File cacheDir = getLocalCacheDir();
+                File fileName = new File(cacheDir, "default.html");
+                view.loadUrl("file://" + fileName.toString());
+                 */
                 refreshLayout.setRefreshing(false);
                 setOffline();
             }
@@ -456,7 +469,7 @@
         //
         bottomnav = findViewById(R.id.bottomNavigationView);
         bottomnav.setOnNavigationItemSelectedListener(navListener);
-        loadUrl("https://forge.codesys.com/forge/community-feed", "Community");
+        ReLoadWebView(currentURL);
     }
 
     // back button
@@ -519,6 +532,9 @@
                             break;
                     }
                     menuItem.setChecked(true);
+//                    getNews();
+//                    notification();
+
                     return true;
                 }
             };