Small layout improvement

app/src/main/java/eu/faircode/email/FragmentPro.java

@@ -29,6 +29,7 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Button;
+import android.widget.ImageView;
 import android.widget.TextView;
 
 import androidx.annotation.NonNull;
@@ -45,6 +46,7 @@ public class FragmentPro extends FragmentBase implements SharedPreferences.OnSha
     private TextView tvList;
     private Button btnPurchase;
     private TextView tvPrice;
+    private ImageView ivExternal;
     private TextView tvPriceHint;
     private Button btnCheck;
 
@@ -64,7 +66,9 @@ public class FragmentPro extends FragmentBase implements SharedPreferences.OnSha
         tvList = view.findViewById(R.id.tvList);
         btnPurchase = view.findViewById(R.id.btnPurchase);
         tvPrice = view.findViewById(R.id.tvPrice);
+        ivExternal = view.findViewById(R.id.ivExternal);
         tvPriceHint = view.findViewById(R.id.tvPriceHint);
+
         btnCheck = view.findViewById(R.id.btnCheck);
 
         tvInfo.setText(getString(R.string.title_pro_info)
@@ -86,6 +90,8 @@ public class FragmentPro extends FragmentBase implements SharedPreferences.OnSha
             }
         });
 
+        ivExternal.setVisibility(Helper.isPlayStoreInstall() ? View.GONE : View.VISIBLE);
+
         tvPriceHint.setMovementMethod(LinkMovementMethod.getInstance());
 
         btnCheck.setOnClickListener(new View.OnClickListener() {

app/src/main/res/layout/fragment_pro.xml

@@ -73,6 +73,17 @@
             app:layout_constraintStart_toEndOf="@+id/btnPurchase"
             app:layout_constraintTop_toTopOf="@+id/btnPurchase" />
 
+        <ImageView
+            android:id="@+id/ivExternal"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="12dp"
+            android:contentDescription="@string/title_pro_purchase"
+            android:src="@drawable/baseline_open_in_new_24"
+            app:layout_constraintBottom_toBottomOf="@+id/btnPurchase"
+            app:layout_constraintStart_toEndOf="@+id/tvPrice"
+            app:layout_constraintTop_toTopOf="@+id/btnPurchase" />
+
         <TextView
             android:id="@+id/tvOnce"
             android:layout_width="wrap_content"