fix main layout

app/src/main/java/com/example/yourcashiertest/activities/MainActivity.java

@@ -23,35 +23,24 @@ public class MainActivity extends AppCompatActivity {
 
         ivCart = findViewById(R.id.ivCart);
         iv_settings = findViewById(R.id.iv_settings);
-        ivCart.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View view) {
-                startActivity(new Intent(MainActivity.this, CartActivity.class));
-            }
-        });
-        iv_settings.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View view) {
-                PopupMenu popupMenu = new PopupMenu(getApplicationContext(), iv_settings);
-                popupMenu.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
-                    @Override
-                    public boolean onMenuItemClick(MenuItem item) {
-                        switch (item.getItemId()) {
-                            case R.id.item_one:
-                                // item one clicked
-                                startActivity(new Intent(MainActivity.this, ProductActivity.class));
-                                break;
-                            case R.id.item_two:
-                                // item two clicked
-                                return true;
-                        }
-
-                        return false;
-                    }
-                });
-                popupMenu.inflate(R.menu.settings_menu);
-                popupMenu.show();
-            }
+        ivCart.setOnClickListener(view -> startActivity(new Intent(MainActivity.this, CartActivity.class)));
+        iv_settings.setOnClickListener(view -> {
+            PopupMenu popupMenu = new PopupMenu(getApplicationContext(), iv_settings);
+            popupMenu.setOnMenuItemClickListener(item -> {
+                switch (item.getItemId()) {
+                    case R.id.item_one:
+                        // item one clicked
+                        startActivity(new Intent(MainActivity.this, ProductActivity.class));
+                        break;
+                    case R.id.item_two:
+                        // item two clicked
+                        return true;
+                }
+
+                return false;
+            });
+            popupMenu.inflate(R.menu.settings_menu);
+            popupMenu.show();
         });
     }
 }
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