catch more exceptions

show delete button only when available

app/src/main/java/org/wntr/mdeditor/MainActivity.kt

@@ -255,7 +255,7 @@ class MainActivity : AppCompatActivity() {
                 Toast.LENGTH_LONG
             ).show()
 
-            // This check for connection needs to be refined once multiple accounts are supported
+            // TODO: This check for connection needs to be refined once multiple accounts are supported
             checkGhostConnection()
 
             for (uri in uris) pushImage(uri)
@@ -982,11 +982,13 @@ class MainActivity : AppCompatActivity() {
                             if (metaData.get("url") !== null) {
                                 val url = parse(metaData.get("url"))
                                 deleteVisible = true
-                                invalidateOptionsMenu()
                                 val apiHost = url.scheme + "://" + url.host
                                 Log.i(javaClass.simpleName, "Starting api controller for: $apiHost")
                                 api = ghostAPI(applicationContext, apiHost)
+                            } else {
+                                deleteVisible = false
                             }
+                            invalidateOptionsMenu()
                         }
                     }
                 }
@@ -1072,11 +1074,15 @@ class MainActivity : AppCompatActivity() {
         } catch (e:Exception) {
             Log.d (javaClass.simpleName, "Couldn't cancel autosaveTimer.\n$e")
         }
-        saveFile()
-        webView.evaluateJavascript("easyMDE.codemirror.doc.getCursor();") {
-            metaData.cursor=it
-            Log.i(javaClass.simpleName,"Cursor: $it")
-            saveMetaToSharedPrefs(applicationContext)
+        try {
+            webView.evaluateJavascript("easyMDE.codemirror.doc.getCursor();") {
+                metaData.cursor = it
+                Log.i(javaClass.simpleName, "Cursor: $it")
+                saveMetaToSharedPrefs(applicationContext)
+                saveFile()
+            }
+        } catch (e: UninitializedPropertyAccessException) {
+            Log.d(javaClass.simpleName, "Webview not yet loaded.\n$e")
         }
         Log.i(javaClass.simpleName, "\"onPause\" durchlaufen")
     }