Normal changes

app/src/main/java/me/akshanshjain/manage/CardsActivity.java

@@ -8,6 +8,7 @@
 import android.support.v7.widget.Toolbar;
 import android.view.View;
 import android.widget.Button;
+import android.widget.ListView;
 import android.widget.TextView;
 
 import javax.crypto.Cipher;
@@ -17,6 +18,8 @@
 public class CardsActivity extends AppCompatActivity {
 
     private Toolbar toolbar;
+    private ListView listView;
+    private View emptyView;
     private TextView noCards;
     private Button getStarted;
 
@@ -49,6 +52,8 @@ protected void onCreate(Bundle savedInstanceState) {
         /*
         Referencing views from the XML and styling them.
          */
+        listView = findViewById(R.id.list_view_cards);
+        emptyView = findViewById(R.id.empty_view_cards);
         noCards = findViewById(R.id.no_cards_text);
         getStarted = findViewById(R.id.get_started_cards);
         noCards.setTypeface(quicksand_bold);
@@ -59,5 +64,8 @@ public void onClick(View v) {
                 startActivity(new Intent(getApplicationContext(), NewCardActivity.class));
             }
         });
+
+        //Setting the empty view on the list when no items are present.
+        listView.setEmptyView(emptyView);
     }
 }

app/src/main/java/me/akshanshjain/manage/NewCardActivity.java

@@ -18,6 +18,7 @@
 import android.widget.EditText;
 import android.widget.TextView;
 
+import java.security.KeyStore;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Calendar;
@@ -27,6 +28,7 @@
 import javax.crypto.KeyGenerator;
 
 import me.akshanshjain.manage.Adapters.CategorySpinnerAdapter;
+import me.akshanshjain.manage.Utils.Encryptor;
 
 public class NewCardActivity extends AppCompatActivity {
 
@@ -45,8 +47,12 @@ public class NewCardActivity extends AppCompatActivity {
 
     private Typeface quicksand_medium, quicksand_bold;
 
+    private KeyStore keyStore;
     private KeyGenerator keyGenerator;
     private KeyGenParameterSpec keyGenParameterSpec;
+    private Encryptor encryptor;
+
+    private static final String ALIAS = "AKSHANSH_MANAGE";
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -59,7 +65,7 @@ protected void onCreate(Bundle savedInstanceState) {
             getSupportActionBar().setTitle("Add New Card");
             getSupportActionBar().setDisplayHomeAsUpEnabled(true);
         }
-
+        
         initViews();
 
         dateLabelUpdate();

app/src/main/java/me/akshanshjain/manage/Utils/Encryptor.java

@@ -25,19 +25,19 @@
  * Created by Akshansh on 31-01-2018.
  */
 
-class Encryptor {
+public class Encryptor {
 
     private static final String TRANSFORMATION = "AES/GCM/NoPadding";
     private static final String ANDROID_KEY_STORE = "AndroidKeyStore";
 
     private byte[] encryption;
     private byte[] iv;
 
-    Encryptor() {
+    public Encryptor() {
     }
 
     @RequiresApi(api = Build.VERSION_CODES.M)
-    byte[] encryptText(String alias, String textToEncrypt)
+    public byte[] encryptText(String alias, String textToEncrypt)
             throws UnrecoverableEntryException, NoSuchAlgorithmException, KeyStoreException,
             NoSuchProviderException, NoSuchPaddingException, InvalidKeyException, IOException,
             InvalidAlgorithmParameterException, SignatureException, BadPaddingException,

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

@@ -23,6 +23,16 @@
 
     </android.support.design.widget.AppBarLayout>
 
+    <ListView
+        android:id="@+id/list_view_cards"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:divider="@null"
+        android:paddingBottom="64dp"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/app_bar_layout_cards" />
+
     <LinearLayout
         android:id="@+id/empty_view_cards"
         android:layout_width="match_parent"

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

@@ -23,6 +23,7 @@
 
     </android.support.design.widget.AppBarLayout>
 
+
     <ListView
         android:id="@+id/list_view_transactions"
         android:layout_width="match_parent"