How to DELETE data from FIREBASE database from Sketchware app?
If you have an app which displays data from firebase database in a custom ListView, and you want to delete data from it, then follow this method. This method of deleting data is for apps which push data to firebase database on button click by using blocks as shown in image below, retrieves data from firebase database, on Firebase DB onChildAdded event, by using blocks as shown in image below, In order to delete data from this kind of app follow the steps given below. 1. Add a new String list str . 2. In the CustomView, add an ImageView imageview2 and set it's image to delete icon. On clicking this ImageView the item will get deleted. 3. In Firebase DB onChildAdded event, inside Firebase DB... get children to List Map... then block, add the block Add [childKey] to List String [str] , as shown in image below. This will create a list of keys or children at the DatabaseReference 'Chat'. 4. In the event onBindCustomView add th...