Code revision

2026-07-07 09:38:39 +02:00
parent 9133103e82
commit f6f999a153
20 changed files with 2407 additions and 0 deletions
@@ -0,0 +1,84 @@
+package com.example.ichwillheim
+
+import androidx.activity.compose.BackHandler
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.material3.Button
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.input.KeyboardType
+import androidx.compose.ui.text.input.PasswordVisualTransformation
+import androidx.compose.ui.unit.dp
+
+const val SETTINGS_PIN = "1234"
+
+@Composable
+fun PinScreen(
+    onCorrectPin: () -> Unit,
+    onCancel: () -> Unit
+) {
+    BackHandler { onCancel() }
+
+    var pin by remember { mutableStateOf("") }
+    var error by remember { mutableStateOf(false) }
+
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .padding(32.dp),
+        verticalArrangement = Arrangement.Center,
+        horizontalAlignment = Alignment.CenterHorizontally
+    ) {
+        Text(stringResource(R.string.pin_screen_title), style = MaterialTheme.typography.headlineSmall)
+        Spacer(modifier = Modifier.height(24.dp))
+
+        OutlinedTextField(
+            value = pin,
+            onValueChange = { input ->
+                if (input.length <= 4 && input.all { it.isDigit() }) {
+                    pin = input
+                    error = false
+                }
+            },
+            label = { Text(stringResource(R.string.field_pin)) },
+            visualTransformation = PasswordVisualTransformation(),
+            keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.NumberPassword),
+            isError = error,
+            supportingText = { if (error) Text(stringResource(R.string.pin_error_incorrect)) }
+        )
+
+        Spacer(modifier = Modifier.height(24.dp))
+
+        Row {
+            TextButton(onClick = onCancel) { Text(stringResource(R.string.action_cancel)) }
+            Spacer(modifier = Modifier.width(16.dp))
+            Button(onClick = {
+                if (pin == SETTINGS_PIN) {
+                    onCorrectPin()
+                } else {
+                    error = true
+                    pin = ""
+                }
+            }) {
+                Text(stringResource(R.string.action_confirm))
+            }
+        }
+    }
+}