Added automatic deletion in TeacherActivity.java

.idea/misc.xml

@@ -53,7 +53,7 @@
     <ConfirmationsSetting value="0" id="Add" />
     <ConfirmationsSetting value="0" id="Remove" />
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" assert-keyword="true" jdk-15="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" default="true" assert-keyword="true" jdk-15="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

app/src/main/java/com/darshanbshah/odsystem/CustomListAdapter.java

@@ -40,6 +40,8 @@ public class CustomListAdapter extends ArrayAdapter {
     @Override
     public void remove(Object object) {
         super.remove(object);
+//        DataProvider test = (DataProvider)object;
+//        Log.e("list debug",test.getKey());
         list.remove(object);
     }
 

app/src/main/java/com/darshanbshah/odsystem/TeacherActivity.java

@@ -262,6 +262,11 @@ public class TeacherActivity extends AppCompatActivity {
                                             od_flag.setValue(0);
                                             od_student = od.child(adv_name).child(item);
                                             od_student.removeValue();
+                                            //segment
+                                            adapter.remove(item_key);
+                                            adapter.notifyDataSetChanged();
+                                            //end segment
+
                                         }
                                     }
                                 }