Refresh latest address index periodically, and fetch latest subaddress for receive popup

app/src/main/java/com/m2049r/xmrwallet/MainActivity.java

@@ -6,13 +6,11 @@ import android.widget.Toast;
 
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatActivity;
-import androidx.appcompat.app.AppCompatDelegate;
 import androidx.fragment.app.FragmentActivity;
 import androidx.fragment.app.FragmentManager;
 import androidx.navigation.fragment.NavHostFragment;
 
 import com.m2049r.xmrwallet.fragment.dialog.PasswordBottomSheetDialog;
-import com.m2049r.xmrwallet.fragment.dialog.SendBottomSheetDialog;
 import com.m2049r.xmrwallet.livedata.SingleLiveEvent;
 import com.m2049r.xmrwallet.model.Wallet;
 import com.m2049r.xmrwallet.model.WalletManager;
@@ -24,8 +22,6 @@ import com.m2049r.xmrwallet.service.MoneroHandlerThread;
 import com.m2049r.xmrwallet.service.PrefService;
 import com.m2049r.xmrwallet.service.TxService;
 import com.m2049r.xmrwallet.util.Constants;
-import com.m2049r.xmrwallet.util.DayNightMode;
-import com.m2049r.xmrwallet.util.NightmodeHelper;
 
 import java.io.File;
 
@@ -33,6 +29,7 @@ public class MainActivity extends AppCompatActivity implements MoneroHandlerThre
     public final SingleLiveEvent restartEvents = new SingleLiveEvent();
     private MoneroHandlerThread thread = null;
     private BalanceService balanceService = null;
+    private AddressService addressService = null;
     private HistoryService historyService = null;
     private BlockchainService blockchainService = null;
 
@@ -79,7 +76,7 @@ public class MainActivity extends AppCompatActivity implements MoneroHandlerThre
         thread = new MoneroHandlerThread("WalletService", this, wallet);
         new TxService(thread);
         this.balanceService = new BalanceService(thread);
-        new AddressService(thread);
+        this.addressService = new AddressService(thread);
         this.historyService = new HistoryService(thread);
         this.blockchainService = new BlockchainService(thread);
         thread.start();
@@ -90,6 +87,7 @@ public class MainActivity extends AppCompatActivity implements MoneroHandlerThre
         this.historyService.refreshHistory();
         this.balanceService.refreshBalance();
         this.blockchainService.refreshBlockchain();
+        this.addressService.refreshAddresses();
     }
 
     @Override

app/src/main/java/com/m2049r/xmrwallet/fragment/dialog/ReceiveBottomSheetDialog.java

@@ -19,6 +19,7 @@ import com.google.zxing.common.BitMatrix;
 import com.google.zxing.qrcode.QRCodeWriter;
 import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
 import com.m2049r.xmrwallet.R;
+import com.m2049r.xmrwallet.data.Subaddress;
 import com.m2049r.xmrwallet.service.AddressService;
 
 import java.util.HashMap;
@@ -39,9 +40,9 @@ public class ReceiveBottomSheetDialog extends BottomSheetDialogFragment {
         ImageView addressImageView = view.findViewById(R.id.monero_qr_imageview);
         TextView addressTextView = view.findViewById(R.id.address_textview);
 
-        String addr = AddressService.getInstance().getAddress();
+        Subaddress addr = AddressService.getInstance().getLatestSubaddress();
-        addressTextView.setText(addr);
+        addressTextView.setText(addr.getAddress());
-        addressImageView.setImageBitmap(generate(addr, 256, 256));
+        addressImageView.setImageBitmap(generate(addr.getAddress(), 256, 256));
     }
 
     public Bitmap generate(String text, int width, int height) {

app/src/main/java/com/m2049r/xmrwallet/service/AddressService.java

@@ -1,10 +1,10 @@
 package com.m2049r.xmrwallet.service;
 
-import androidx.lifecycle.LiveData;
+import com.m2049r.xmrwallet.data.Subaddress;
-import androidx.lifecycle.MutableLiveData;
+import com.m2049r.xmrwallet.model.TransactionInfo;
-
+import com.m2049r.xmrwallet.model.Wallet;
-import com.m2049r.xmrwallet.MainActivity;
 import com.m2049r.xmrwallet.model.WalletManager;
+import java.util.HashMap;
 
 public class AddressService extends ServiceBase {
     public static AddressService instance = null;
@@ -13,12 +13,42 @@ public class AddressService extends ServiceBase {
         return instance;
     }
 
+    private final HashMap<String, Integer> subAddresses = new HashMap<>();
+    private int latestAddressIndex = 1;
+
     public AddressService(MoneroHandlerThread thread) {
         super(thread);
         instance = this;
     }
 
-    public String getAddress() {
+    public void refreshAddresses() {
+        Wallet wallet = WalletManager.getInstance().getWallet();
+        int issuedAddressesSize = WalletManager.getInstance().getWallet().getNumSubaddresses();
+        if(subAddresses.size() != issuedAddressesSize) {
+            for (int i = 0; i < issuedAddressesSize; i++) {
+                if(!subAddresses.containsValue(i)) {
+                    subAddresses.put(wallet.getSubaddress(i), i);
+                }
+            }
+        }
+
+        for (TransactionInfo info : HistoryService.getInstance().getHistory()) {
+            if(info.addressIndex > latestAddressIndex) {
+                latestAddressIndex = info.addressIndex;
+            }
+        }
+    }
+
+    public String getPrimaryAddress() {
         return WalletManager.getInstance().getWallet().getAddress();
     }
+
+    public Subaddress getLatestSubaddress() {
+        Wallet wallet = WalletManager.getInstance().getWallet();
+        return wallet.getSubaddressObject(latestAddressIndex);
+    }
+
+    public HashMap<String, Integer> getIssuedSubaddresses() {
+        return subAddresses;
+    }
 }

app/src/main/java/com/m2049r/xmrwallet/service/HistoryService.java

@@ -2,12 +2,8 @@ package com.m2049r.xmrwallet.service;
 
 import androidx.lifecycle.LiveData;
 import androidx.lifecycle.MutableLiveData;
-
-import com.m2049r.xmrwallet.MainActivity;
 import com.m2049r.xmrwallet.model.TransactionInfo;
 import com.m2049r.xmrwallet.model.WalletManager;
-
-import java.util.Collections;
 import java.util.List;
 
 public class HistoryService extends ServiceBase {