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Initial release of GPS2Audio

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Marcel Mayer
2026-05-05 20:54:05 +02:00
commit b2aa1c167c
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app/src/main/kotlin/de/waypointaudio/ui/AboutDialog.kt
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package de.waypointaudio.ui
import android.content.ActivityNotFoundException
import android.content.Intent
import android.net.Uri
import androidx.compose.foundation.Image
import androidx.compose.foundation.background
import androidx.compose.foundation.layout.*
import androidx.compose.foundation.rememberScrollState
import androidx.compose.foundation.verticalScroll
import androidx.compose.material3.*
import androidx.compose.runtime.Composable
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.res.painterResource
import androidx.compose.ui.res.stringResource
import androidx.compose.ui.semantics.contentDescription
import androidx.compose.ui.semantics.semantics
import androidx.compose.ui.text.font.FontWeight
import androidx.compose.ui.unit.dp
import de.waypointaudio.R
/**
* Info-Dialog: Zeigt App-Name, Beschreibung, Entwickler, E-Mail, Version
* und eine kurze Zusammenfassung der Apache License 2.0.
*/
@Composable
fun AboutDialog(onDismiss: () -> Unit) {
val context = LocalContext.current
AlertDialog(
onDismissRequest = onDismiss,
title = {
Text(
text = stringResource(R.string.about_title),
style = MaterialTheme.typography.headlineSmall
)
},
text = {
Column(
modifier = Modifier
.verticalScroll(rememberScrollState())
.padding(vertical = 4.dp),
verticalArrangement = Arrangement.spacedBy(12.dp)
) {
// App name + description
Text(
text = stringResource(R.string.about_app_name),
style = MaterialTheme.typography.titleMedium,
fontWeight = FontWeight.Bold
)
Text(
text = stringResource(R.string.about_description),
style = MaterialTheme.typography.bodyMedium
)
HorizontalDivider()
// Version
AboutRow(
label = stringResource(R.string.about_version_label),
value = stringResource(R.string.about_version)
)
// Developer
AboutRow(
label = stringResource(R.string.about_developer_label),
value = stringResource(R.string.about_developer)
)
// Email - preserved exactly as provided by developer
AboutRow(
label = stringResource(R.string.about_email_label),
value = stringResource(R.string.about_email)
)
HorizontalDivider()
// License
Text(
text = stringResource(R.string.about_license_label),
style = MaterialTheme.typography.labelLarge,
color = MaterialTheme.colorScheme.onSurface.copy(alpha = 0.6f)
)
Text(
text = stringResource(R.string.about_license_name),
style = MaterialTheme.typography.bodyMedium,
fontWeight = FontWeight.SemiBold
)
Text(
text = stringResource(R.string.about_license_summary),
style = MaterialTheme.typography.bodySmall
)
Text(
text = stringResource(R.string.about_license_url),
style = MaterialTheme.typography.bodySmall,
color = MaterialTheme.colorScheme.primary
)
HorizontalDivider()
// Matrix contact
Text(
text = stringResource(R.string.about_matrix_label),
style = MaterialTheme.typography.labelLarge,
color = MaterialTheme.colorScheme.onSurface.copy(alpha = 0.6f)
)
Text(
text = stringResource(R.string.about_matrix_description),
style = MaterialTheme.typography.bodyMedium
)
// Matrix ID as selectable text
Text(
text = stringResource(R.string.about_matrix_id),
style = MaterialTheme.typography.bodyMedium,
fontWeight = FontWeight.SemiBold,
color = MaterialTheme.colorScheme.primary
)
// QR code
Box(
modifier = Modifier
.padding(top = 4.dp)
.background(
color = Color.White,
shape = MaterialTheme.shapes.small
)
.padding(8.dp)
.align(Alignment.CenterHorizontally)
) {
Image(
painter = painterResource(id = R.drawable.matrix_contact_qr),
contentDescription = stringResource(R.string.about_matrix_qr_content_description),
modifier = Modifier.size(200.dp)
)
}
// Clickable button to open Matrix chat in browser or Matrix client
val openCd = stringResource(R.string.about_matrix_open_cd)
val matrixUrl = stringResource(R.string.about_matrix_url)
Button(
onClick = {
val intent = Intent(
Intent.ACTION_VIEW,
Uri.parse(matrixUrl)
)
try {
context.startActivity(intent)
} catch (e: ActivityNotFoundException) {
// Fallback: explicit chooser for browser
try {
context.startActivity(Intent.createChooser(intent, null))
} catch (_: ActivityNotFoundException) {
// No browser/client available - silently ignore
}
}
},
modifier = Modifier
.fillMaxWidth()
.semantics { contentDescription = openCd }
) {
Text(text = stringResource(R.string.about_matrix_open_button))
}
HorizontalDivider()
Text(
text = stringResource(R.string.about_copyright),
style = MaterialTheme.typography.bodySmall,
color = MaterialTheme.colorScheme.onSurface.copy(alpha = 0.6f)
)
}
},
confirmButton = {
TextButton(onClick = onDismiss) {
Text(stringResource(R.string.about_close))
}
}
)
}
@Composable
private fun AboutRow(label: String, value: String) {
Column(verticalArrangement = Arrangement.spacedBy(2.dp)) {
Text(
text = label,
style = MaterialTheme.typography.labelLarge,
color = MaterialTheme.colorScheme.onSurface.copy(alpha = 0.6f)
)
Text(
text = value,
style = MaterialTheme.typography.bodyMedium
)
}
}