85 lines
2.9 KiB
Kotlin
85 lines
2.9 KiB
Kotlin
package com.example.ichwillheim
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import androidx.activity.compose.BackHandler
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import androidx.compose.foundation.layout.Arrangement
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import androidx.compose.foundation.layout.Column
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import androidx.compose.foundation.layout.Row
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import androidx.compose.foundation.layout.Spacer
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import androidx.compose.foundation.layout.fillMaxSize
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import androidx.compose.foundation.layout.height
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import androidx.compose.foundation.layout.padding
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import androidx.compose.foundation.layout.width
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import androidx.compose.foundation.text.KeyboardOptions
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import androidx.compose.material3.Button
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import androidx.compose.material3.MaterialTheme
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import androidx.compose.material3.OutlinedTextField
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import androidx.compose.material3.Text
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import androidx.compose.material3.TextButton
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import androidx.compose.runtime.Composable
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import androidx.compose.runtime.getValue
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import androidx.compose.runtime.mutableStateOf
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import androidx.compose.runtime.remember
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import androidx.compose.runtime.setValue
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import androidx.compose.ui.Alignment
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.res.stringResource
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import androidx.compose.ui.text.input.KeyboardType
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import androidx.compose.ui.text.input.PasswordVisualTransformation
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import androidx.compose.ui.unit.dp
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const val SETTINGS_PIN = "1234"
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@Composable
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fun PinScreen(
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onCorrectPin: () -> Unit,
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onCancel: () -> Unit
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) {
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BackHandler { onCancel() }
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var pin by remember { mutableStateOf("") }
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var error by remember { mutableStateOf(false) }
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Column(
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modifier = Modifier
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.fillMaxSize()
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.padding(32.dp),
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verticalArrangement = Arrangement.Center,
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horizontalAlignment = Alignment.CenterHorizontally
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) {
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Text(stringResource(R.string.pin_screen_title), style = MaterialTheme.typography.headlineSmall)
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Spacer(modifier = Modifier.height(24.dp))
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OutlinedTextField(
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value = pin,
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onValueChange = { input ->
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if (input.length <= 4 && input.all { it.isDigit() }) {
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pin = input
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error = false
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}
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},
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label = { Text(stringResource(R.string.field_pin)) },
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visualTransformation = PasswordVisualTransformation(),
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keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.NumberPassword),
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isError = error,
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supportingText = { if (error) Text(stringResource(R.string.pin_error_incorrect)) }
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)
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Spacer(modifier = Modifier.height(24.dp))
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Row {
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TextButton(onClick = onCancel) { Text(stringResource(R.string.action_cancel)) }
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Spacer(modifier = Modifier.width(16.dp))
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Button(onClick = {
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if (pin == SETTINGS_PIN) {
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onCorrectPin()
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} else {
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error = true
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pin = ""
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}
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}) {
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Text(stringResource(R.string.action_confirm))
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}
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}
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}
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}
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