🎨 Cria tratamento para evitar que usuário prossiga para pagamento se …

…não for adicionado nada ao carrinho
FourAndSurfer · Dec 7, 2017 · 4f0162e · 4f0162e
1 parent fe08537
commit 4f0162e
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diff --git a/app/src/main/java/com/example/victo/virtualstore/CarrinhoActivity.java b/app/src/main/java/com/example/victo/virtualstore/CarrinhoActivity.java
@@ -4,6 +4,7 @@
 import android.os.Bundle;
 import android.support.v7.app.AppCompatActivity;
 import android.view.View;
+import android.widget.Button;
 import android.widget.ListView;
 import android.widget.TextView;
 
@@ -15,6 +16,8 @@ public class CarrinhoActivity extends AppCompatActivity {
     ListView carrinholv;
     Double total;
     TextView totalTV;
+    TextView addItemsToCartMessage;
+    Button goToPaymentButton;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -31,6 +34,13 @@ protected void onCreate(Bundle savedInstanceState) {
         );
         carrinholv.setAdapter(adapter);
         valorTotal();
+
+        if (carrinho.size() < 1) {
+            this.addItemsToCartMessage = findViewById(R.id.addItemsToCartMessage);
+            this.addItemsToCartMessage.setVisibility(View.VISIBLE);
+            this.goToPaymentButton = findViewById(R.id.btnPagar);
+            this.goToPaymentButton.setVisibility(View.INVISIBLE);
+        }
     }
 
     public void valorTotal() {

diff --git a/app/src/main/res/layout/activity_carrinho.xml b/app/src/main/res/layout/activity_carrinho.xml
@@ -18,6 +18,20 @@
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintVertical_bias="0.035" />
 
+    <TextView
+        android:id="@+id/addItemsToCartMessage"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="8dp"
+        android:layout_marginStart="8dp"
+        android:text="@string/add_cart_items_text_view"
+        android:textSize="24sp"
+        android:visibility="invisible"
+        app:layout_constraintBottom_toTopOf="@+id/totalConstraintLayout"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
     <android.support.constraint.ConstraintLayout
         android:layout_width="0dp"
         android:layout_height="wrap_content"

diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
@@ -22,4 +22,5 @@
     <string name="valor_em_cash">$ 1.000,00</string>
     <string name="buy_button">Comprar</string>
     <string name="list_transactions">Listar Transações</string>
+    <string name="add_cart_items_text_view">Adicione itens no carrinho!</string>
 </resources>