Show error that can happen during open database

Author: prattpratt

debug-db-base/src/main/assets/app.js

@@ -136,8 +136,12 @@ function openDatabaseAndGetTableList(db, isDownloadable) {
            result = JSON.parse(result);
            var tableList = result.rows;
            var dbVersion = result.dbVersion;
+           var error = result.error;
            if("APP_SHARED_PREFERENCES" != db) {
+                if (error == null)
                 $("#selected-db-info").text("Selected Database : "+db +" Version : "+dbVersion);
+                else
+                $("#selected-db-info").text(error);
            }
            $('#table-list').empty()
            for(var count = 0; count < tableList.length; count++){

debug-db-base/src/main/java/com/amitshekhar/server/RequestHandler.java

@@ -304,8 +304,15 @@ private String getTableListResponse(String route) {
             closeDatabase();
             mSelectedDatabase = Constants.APP_SHARED_PREFERENCES;
         } else {
-            openDatabase(database);
-            response = DatabaseHelper.getAllTableName(sqLiteDB);
+            try {
+                openDatabase(database);
+                response = DatabaseHelper.getAllTableName(sqLiteDB);
+            } catch (Exception e) {
+                response = new Response();
+                response.isSuccessful = false;
+                response.dbVersion = 0;
+                response.error = e.toString();
+            }
             mSelectedDatabase = database;
         }
         return mGson.toJson(response);