Async creating lists and adding items

Listify/app/src/main/java/com/example/listify/ItemDetails.java

@@ -1,5 +1,8 @@
 package com.example.listify;
 
+import android.app.Dialog;
+import android.graphics.Color;
+import android.graphics.drawable.ColorDrawable;
 import android.os.Bundle;
 
 import com.amplifyframework.auth.AuthException;
@@ -11,6 +14,8 @@ import com.google.android.material.floatingactionbutton.FloatingActionButton;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.appcompat.widget.Toolbar;
 import android.view.View;
+import android.view.Window;
+import android.view.WindowManager;
 import android.widget.ImageButton;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
@@ -71,6 +76,17 @@ public class ItemDetails extends AppCompatActivity implements ListPickerDialogFr
             @Override
             public void onClick(View v) {
                 closeFABMenu();
+                // Create and show a loading dialog
+                Dialog loadingDialog = new Dialog(ItemDetails.this);
+                loadingDialog.getWindow().requestFeature(Window.FEATURE_NO_TITLE);
+                loadingDialog.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
+                // layout to display
+                loadingDialog.setContentView(R.layout.dialog_loading);
+                // set color transpartent
+                loadingDialog.getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
+                loadingDialog.setCancelable(false);
+                loadingDialog.setCanceledOnTouchOutside(false);
+                loadingDialog.show();
 
                 Properties configs = new Properties();
                 try {
@@ -82,8 +98,11 @@ public class ItemDetails extends AppCompatActivity implements ListPickerDialogFr
                 Requestor requestor = new Requestor(am, configs.getProperty("apiKey"));
                 SynchronousReceiver<Integer[]> listIdsReceiver = new SynchronousReceiver<>();
                 SynchronousReceiver<List> listReceiver = new SynchronousReceiver<>();
-
                 requestor.getListOfIds(List.class, listIdsReceiver, listIdsReceiver);
+
+                Thread t = new Thread(new Runnable() {
+                    @Override
+                    public void run() {
                         try {
                             Integer[] listIds = listIdsReceiver.await();
                             for (int i = 0; i < listIds.length; i++) {
@@ -94,10 +113,14 @@ public class ItemDetails extends AppCompatActivity implements ListPickerDialogFr
                             e.printStackTrace();
                         }
 
+                        loadingDialog.cancel();
                         ListPickerDialogFragment listPickerDialog = new ListPickerDialogFragment(shoppingLists);
                         listPickerDialog.show(getSupportFragmentManager(), "User Lists");
                     }
                 });
+                t.start();
+            }
+        });
 
         linCreateList.setOnClickListener(new View.OnClickListener() {
             @Override
@@ -184,6 +207,17 @@ public class ItemDetails extends AppCompatActivity implements ListPickerDialogFr
     // Create a new list and add the item to it
     @Override
     public void sendNewListName(String name, int quantity) {
+        // Create and show a loading dialog
+        Dialog loadingDialog = new Dialog(this);
+        loadingDialog.getWindow().requestFeature(Window.FEATURE_NO_TITLE);
+        loadingDialog.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
+        // layout to display
+        loadingDialog.setContentView(R.layout.dialog_loading);
+        // set color transpartent
+        loadingDialog.getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
+        loadingDialog.setCancelable(false);
+        loadingDialog.setCanceledOnTouchOutside(false);
+        loadingDialog.show();
 
         Properties configs = new Properties();
         try {
@@ -196,16 +230,34 @@ public class ItemDetails extends AppCompatActivity implements ListPickerDialogFr
 
         com.example.listify.data.List newList = new List(-1, name, "user filled by lambda", Instant.now().toEpochMilli());
 
+        Thread t = new Thread(new Runnable() {
+            @Override
+            public void run() {
                 try {
                     requestor.postObject(newList, idReceiver, idReceiver);
                     int newListId = idReceiver.await();
                     ListEntry entry = new ListEntry(newListId, curProduct.getItemId(), quantity, Instant.now().toEpochMilli(),false);
                     requestor.postObject(entry);
 
-            Toast.makeText(this, String.format("%s created and item added", name), Toast.LENGTH_LONG).show();
+                    runOnUiThread(new Runnable() {
+                        @Override
+                        public void run() {
+                            Toast.makeText(ItemDetails.this, String.format("%s created and item added", name), Toast.LENGTH_LONG).show();
+                            loadingDialog.cancel();
+                        }
+                    });
                 } catch (Exception e) {
-            Toast.makeText(this, "An error occurred", Toast.LENGTH_LONG).show();
+                    runOnUiThread(new Runnable() {
+                        @Override
+                        public void run() {
+                            Toast.makeText(ItemDetails.this, "An error occurred", Toast.LENGTH_LONG).show();
+                            loadingDialog.cancel();
                             e.printStackTrace();
                         }
+                    });
+                }
+            }
+        });
+        t.start();
     }
 }

Listify/app/src/main/java/com/example/listify/ui/lists/ListsFragment.java

@@ -1,10 +1,15 @@
 package com.example.listify.ui.lists;
 
+import android.app.Dialog;
 import android.content.Intent;
+import android.graphics.Color;
+import android.graphics.drawable.ColorDrawable;
 import android.os.Bundle;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.LayoutInflater;
+import android.view.Window;
+import android.view.WindowManager;
 import android.widget.AdapterView;
 import android.widget.ListView;
 import android.widget.ProgressBar;
@@ -85,6 +90,17 @@ public class ListsFragment extends Fragment implements CreateListDialogFragment.
 
     @Override
     public void sendNewListName(String name) {
+        // Create and show a loading dialog
+        Dialog loadingDialog = new Dialog(getActivity());
+        loadingDialog.getWindow().requestFeature(Window.FEATURE_NO_TITLE);
+        loadingDialog.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
+        // layout to display
+        loadingDialog.setContentView(R.layout.dialog_loading);
+        // set color transpartent
+        loadingDialog.getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
+        loadingDialog.setCancelable(false);
+        loadingDialog.setCanceledOnTouchOutside(false);
+        loadingDialog.show();
 
         Properties configs = new Properties();
         try {
@@ -99,14 +115,39 @@ public class ListsFragment extends Fragment implements CreateListDialogFragment.
 
         try {
             requestor.postObject(newList, idReceiver, idReceiver);
-            newList.setItemID(idReceiver.await());
-            shoppingLists.add(newList);
-            displayShoppingListsAdapter.notifyDataSetChanged();
-            Toast.makeText(getContext(), String.format("%s created", name), Toast.LENGTH_LONG).show();
         } catch (Exception e) {
             Toast.makeText(getContext(), "An error occurred", Toast.LENGTH_LONG).show();
             e.printStackTrace();
         }
+        Thread t = new Thread(new Runnable() {
+            @Override
+            public void run() {
+                try {
+                    newList.setItemID(idReceiver.await());
+                } catch (Exception e) {
+                    getActivity().runOnUiThread(new Runnable() {
+                        @Override
+                        public void run() {
+                            Toast.makeText(getContext(), "An error occurred", Toast.LENGTH_LONG).show();
+                            loadingDialog.cancel();
+                        }
+                    });
+                    e.printStackTrace();
+
+                }
+                shoppingLists.add(newList);
+
+                getActivity().runOnUiThread(new Runnable() {
+                    @Override
+                    public void run() {
+                        displayShoppingListsAdapter.notifyDataSetChanged();
+                        loadingDialog.cancel();
+                        Toast.makeText(getContext(), String.format("%s created", name), Toast.LENGTH_LONG).show();
+                    }
+                });
+            }
+        });
+        t.start();
     }
 
     @Override

Listify/app/src/main/res/layout/dialog_loading.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout
+    xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@null">
+
+    <ProgressBar
+        android:id="@+id/progress_loading_lists"
+        style="?android:attr/progressBarStyleLarge"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_centerHorizontal="true"
+        android:layout_centerVertical="true"
+        android:indeterminate="true"
+        android:visibility="visible"/>
+</RelativeLayout>

Listify/app/src/main/res/menu/activity_main_drawer.xml

@@ -20,10 +20,10 @@
             android:id="@+id/nav_lists"
             android:icon="@drawable/ic_baseline_list_alt_28"
             android:title="@string/menu_lists" />
-        <item
+<!--        <item-->
-            android:id="@+id/nav_create_list"
+<!--            android:id="@+id/nav_create_list"-->
-            android:icon="@drawable/ic_baseline_add_28"
+<!--            android:icon="@drawable/ic_baseline_add_28"-->
-            android:title="Create New List"
+<!--            android:title="Create New List"-->
-            android:onClick="onClickCreateList"/>
+<!--            android:onClick="onClickCreateList"/>-->
     </group>
 </menu>