support for edge to edge

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

@@ -10,6 +10,9 @@ import androidx.appcompat.app.AppCompatActivity
 import androidx.biometric.BiometricManager
 import androidx.biometric.BiometricPrompt
 import androidx.core.content.ContextCompat
+import androidx.core.view.ViewCompat
+import androidx.core.view.WindowCompat
+import androidx.core.view.WindowInsetsCompat
 import androidx.lifecycle.lifecycleScope
 import com.google.android.material.button.MaterialButton
 import kotlinx.coroutines.Dispatchers
@@ -41,8 +44,19 @@ class LockActivity : AppCompatActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
+        WindowCompat.setDecorFitsSystemWindows(window, false)
         binding = ActivityLockBinding.inflate(layoutInflater)
         setContentView(binding.root)
+        val isLight = (resources.configuration.uiMode and android.content.res.Configuration.UI_MODE_NIGHT_MASK) == android.content.res.Configuration.UI_MODE_NIGHT_NO
+        WindowCompat.getInsetsController(window, window.decorView).apply {
+            isAppearanceLightStatusBars = isLight
+            isAppearanceLightNavigationBars = isLight
+        }
+        ViewCompat.setOnApplyWindowInsetsListener(binding.root) { view, insets ->
+            val bars = insets.getInsets(WindowInsetsCompat.Type.systemBars())
+            view.setPadding(bars.left, bars.top, bars.right, bars.bottom)
+            insets
+        }
 
         val prefs = getSharedPreferences("prefs", MODE_PRIVATE)
         method = prefs.getString("security_method", "pin") ?: "pin"