android: proper hiding keyboard when entering passcode (#4066)

apps/multiplatform/common/src/androidMain/kotlin/chat/simplex/common/platform/UI.android.kt

@@ -67,10 +67,13 @@ actual fun getKeyboardState(): State<KeyboardState> {
   return keyboardState
 }
 
-actual fun hideKeyboard(view: Any?) {
+actual fun hideKeyboard(view: Any?, clearFocus: Boolean) {
   // LALAL
   //  LocalSoftwareKeyboardController.current?.hide()
   if (view is View) {
+    if (clearFocus) {
+      view.clearFocus()
+    }
     (androidAppContext.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager).hideSoftInputFromWindow(view.windowToken, 0)
   }
 }

apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/platform/UI.kt

@@ -13,7 +13,7 @@ expect fun LocalMultiplatformView(): Any?
 
 @Composable
 expect fun getKeyboardState(): State<KeyboardState>
-expect fun hideKeyboard(view: Any?)
+expect fun hideKeyboard(view: Any?, clearFocus: Boolean = false)
 
 expect fun androidIsFinishingMainActivity(): Boolean
 

apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/localauth/PasscodeView.kt

@@ -135,7 +135,9 @@ fun PasscodeView(
   if (!buttonsEnabled.value) {
     ProgressIndicator()
   }
+  val view = LocalMultiplatformView()
   LaunchedEffect(Unit) {
+    hideKeyboard(view, true)
     focusRequester.requestFocus()
     // Disallow to steal a focus by clicking on buttons or using Tab
     focusRequester.captureFocus()

apps/multiplatform/common/src/desktopMain/kotlin/chat/simplex/common/platform/UI.desktop.kt

@@ -16,7 +16,7 @@ actual fun LocalMultiplatformView(): Any? = null
 
 @Composable
 actual fun getKeyboardState(): State<KeyboardState> = remember { mutableStateOf(KeyboardState.Opened) }
-actual fun hideKeyboard(view: Any?) {}
+actual fun hideKeyboard(view: Any?, clearFocus: Boolean) {}
 
 actual fun androidIsFinishingMainActivity(): Boolean = false