new feature: resume last activity after unlocking instead of goind to dashboard everytime

app/src/main/java/sh/sar/basedbank/LockActivity.kt

@@ -39,6 +39,7 @@ class LockActivity : AppCompatActivity() {
     companion object {
         private const val MAX_ATTEMPTS = 5
         private const val LOCKOUT_MS = 30_000L
+        const val EXTRA_RESUME = "resume"
     }
 
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -270,8 +271,12 @@ class LockActivity : AppCompatActivity() {
     }
 
     private fun proceed() {
-        startActivity(Intent(this, HomeActivity::class.java))
-        finish()
+        if (intent.getBooleanExtra(EXTRA_RESUME, false)) {
+            finish()
+        } else {
+            startActivity(Intent(this, HomeActivity::class.java))
+            finish()
+        }
     }
 
     // ── Brute-force tracking ──────────────────────────────────────────────────

app/src/main/java/sh/sar/basedbank/ui/home/HomeActivity.kt

@@ -64,15 +64,22 @@ class HomeActivity : AppCompatActivity() {
 
     private val warningRunnable = Runnable { showAutolockWarning() }
 
+    private var isLocked = false
+
     private val autolockRunnable = Runnable {
         countdownTimer?.cancel(); countdownTimer = null
         warningDialog?.dismiss(); warningDialog = null
         val securitySet = getSharedPreferences("prefs", MODE_PRIVATE)
             .getString("security_method", null) != null
-        if (securitySet) {
-            startActivity(Intent(this, sh.sar.basedbank.LockActivity::class.java))
-            finish()
-        }
+        if (securitySet) lock()
+    }
+
+    private fun lock() {
+        isLocked = true
+        startActivity(
+            Intent(this, sh.sar.basedbank.LockActivity::class.java)
+                .putExtra(sh.sar.basedbank.LockActivity.EXTRA_RESUME, true)
+        )
     }
 
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -237,6 +244,13 @@ class HomeActivity : AppCompatActivity() {
 
     override fun onResume() {
         super.onResume()
+        // Returning from LockActivity — skip the elapsed check and reset state.
+        if (isLocked) {
+            isLocked = false
+            pauseTime = 0L
+            resetAutolockTimer()
+            return
+        }
         // If we were away long enough to have hit the autolock timeout (e.g. while
         // QrScannerActivity was in the foreground), lock immediately.
         if (pauseTime > 0L) {
@@ -244,8 +258,7 @@ class HomeActivity : AppCompatActivity() {
             val timeout = getSharedPreferences("prefs", MODE_PRIVATE).getLong("autolock_timeout", 60_000L)
             val securitySet = getSharedPreferences("prefs", MODE_PRIVATE).getString("security_method", null) != null
             if (timeout > 0L && elapsed >= timeout && securitySet) {
-                startActivity(Intent(this, sh.sar.basedbank.LockActivity::class.java))
-                finish()
+                lock()
                 return
             }
         }
@@ -316,8 +329,7 @@ class HomeActivity : AppCompatActivity() {
 
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
         if (item.itemId == R.id.action_lock) {
-            startActivity(Intent(this, sh.sar.basedbank.LockActivity::class.java))
-            finish()
+            lock()
             return true
         }
         return super.onOptionsItemSelected(item)