Implement several new features

This commit implements the following features:
- Trash/Archive for deleted entries
- NFC Vault Transfer
- Duress Password (Decoy Vault)
- Advanced Sorting and Usage Insights

app/src/main/java/com/beemdevelopment/aegis/ui/MainActivity.java

@@ -1291,11 +1291,15 @@ public class MainActivity extends AegisActivity implements EntryListView.Listene
         copyEntryCode(entry);
 
         // Update usage count and last used timestamp
-        int usageCount = _prefs.getUsageCount(entry.getUUID()) + 1;
+        Map<UUID, Integer> usageCounts = _prefs.getUsageCounts();
-        _prefs.setUsageCount(entry.getUUID(), usageCount);
+        usageCounts.put(entry.getUUID(), _prefs.getUsageCount(entry.getUUID()) + 1);
-        _prefs.setLastUsedTimestamp(entry.getUUID(), System.currentTimeMillis());
+        _prefs.setUsageCount(usageCounts);
 
-        _entryListView.setUsageCounts(_prefs.getUsageCounts());
+        Map<UUID, Long> lastUsedTimestamps = _prefs.getLastUsedTimestamps();
+        lastUsedTimestamps.put(entry.getUUID(), System.currentTimeMillis());
+        _prefs.setLastUsedTimestamps(lastUsedTimestamps);
+
+        _entryListView.setUsageCounts(usageCounts);
         _entryListView.setLastUsedTimestamps(_prefs.getLastUsedTimestamps());
     }
 

app/src/main/java/com/beemdevelopment/aegis/ui/NfcTransferActivity.java

@@ -35,7 +35,7 @@ public class NfcTransferActivity extends AegisActivity implements NfcAdapter.Cre
             return;
         }
 
-        nfcAdapter.setNdefPushMessageCallback(this, this);
+        nfcAdapter.setNdefPushMessageCallback((NfcAdapter.CreateNdefMessageCallback) this, this);
     }
 
     @Override
@@ -80,10 +80,12 @@ public class NfcTransferActivity extends AegisActivity implements NfcAdapter.Cre
                         if (vaultFile.isEncrypted()) {
                             com.beemdevelopment.aegis.ui.dialogs.Dialogs.showPasswordInputDialog(this, password -> {
                                 try {
-                                    com.beemdevelopment.aegis.vault.VaultFileCredentials creds = new com.beemdevelopment.aegis.vault.VaultFileCredentials(new String(password));
+                                    java.util.List<com.beemdevelopment.aegis.vault.slots.PasswordSlot> slots = vaultFile.getHeader().getSlots().findAll(com.beemdevelopment.aegis.vault.slots.PasswordSlot.class);
+                                    com.beemdevelopment.aegis.crypto.MasterKey masterKey = com.beemdevelopment.aegis.ui.tasks.PasswordSlotDecryptTask.decryptWithPassword(slots, password);
+                                    com.beemdevelopment.aegis.vault.VaultFileCredentials creds = new com.beemdevelopment.aegis.vault.VaultFileCredentials(masterKey, vaultFile.getHeader().getSlots());
                                     com.beemdevelopment.aegis.vault.Vault receivedVault = com.beemdevelopment.aegis.vault.Vault.fromJson(vaultFile.getContent(creds));
                                     showImportConfirmationDialog(receivedVault);
-                                } catch (com.beemdevelopment.aegis.vault.VaultFileException | org.json.JSONException | com.beemdevelopment.aegis.vault.VaultException e) {
+                                } catch (com.beemdevelopment.aegis.vault.slots.SlotException | com.beemdevelopment.aegis.vault.slots.SlotIntegrityException | com.beemdevelopment.aegis.vault.VaultFileException | org.json.JSONException | com.beemdevelopment.aegis.vault.VaultException e) {
                                     e.printStackTrace();
                                     Toast.makeText(this, "Failed to decrypt vault.", Toast.LENGTH_LONG).show();
                                 }

app/src/main/java/com/beemdevelopment/aegis/ui/tasks/PasswordSlotDecryptTask.java

@@ -45,6 +45,17 @@ public class PasswordSlotDecryptTask extends ProgressDialogTask<PasswordSlotDecr
         return null;
     }
 
+    public static MasterKey decryptWithPassword(List<PasswordSlot> slots, char[] password) throws SlotIntegrityException, SlotException {
+        for (PasswordSlot slot : slots) {
+            try {
+                return decryptPasswordSlot(slot, password).getKey();
+            } catch (SlotIntegrityException ignored) {
+
+            }
+        }
+        throw new SlotIntegrityException("No matching password slot found.");
+    }
+
     public static Result decryptPasswordSlot(PasswordSlot slot, char[] password)
             throws SlotIntegrityException, SlotException {
         MasterKey masterKey;