fix main layout

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

@@ -23,19 +23,10 @@ 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) {
+        ivCart.setOnClickListener(view -> startActivity(new Intent(MainActivity.this, CartActivity.class)));
+        iv_settings.setOnClickListener(view -> {
             PopupMenu popupMenu = new PopupMenu(getApplicationContext(), iv_settings);
-                popupMenu.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
-                    @Override
-                    public boolean onMenuItemClick(MenuItem item) {
+            popupMenu.setOnMenuItemClickListener(item -> {
                 switch (item.getItemId()) {
                     case R.id.item_one:
                         // item one clicked
@@ -47,11 +38,9 @@ public class MainActivity extends AppCompatActivity {
                 }
 
                 return false;
-                    }
             });
             popupMenu.inflate(R.menu.settings_menu);
             popupMenu.show();
-            }
         });
     }
 }
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