kopia lustrzana https://github.com/vitorpamplona/amethyst
136 wiersze
4.5 KiB
Kotlin
136 wiersze
4.5 KiB
Kotlin
package com.vitorpamplona.amethyst.ui.components
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import android.content.Intent
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import android.net.Uri
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import androidx.compose.animation.Crossfade
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import androidx.compose.foundation.border
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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.fillMaxWidth
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import androidx.compose.foundation.layout.padding
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import androidx.compose.foundation.layout.size
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import androidx.compose.material.*
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import androidx.compose.runtime.*
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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.draw.clip
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import androidx.compose.ui.graphics.Color
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import androidx.compose.ui.platform.LocalContext
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import androidx.compose.ui.res.painterResource
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import androidx.compose.ui.res.stringResource
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import androidx.compose.ui.text.font.FontWeight
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import androidx.compose.ui.text.style.TextDirection
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import androidx.compose.ui.unit.dp
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import androidx.compose.ui.unit.sp
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import androidx.core.content.ContextCompat.startActivity
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import com.vitorpamplona.amethyst.R
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import com.vitorpamplona.amethyst.ui.theme.QuoteBorder
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import com.vitorpamplona.amethyst.ui.theme.subtleBorder
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import com.vitorpamplona.quartz.encoders.LnInvoiceUtil
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.launch
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import java.text.NumberFormat
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@Composable
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fun MayBeInvoicePreview(lnbcWord: String) {
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var lnInvoice by remember { mutableStateOf<Pair<String, String?>?>(null) }
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LaunchedEffect(key1 = lnbcWord) {
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launch(Dispatchers.IO) {
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val myInvoice = LnInvoiceUtil.findInvoice(lnbcWord)
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if (myInvoice != null) {
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val myInvoiceAmount = try {
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NumberFormat.getInstance().format(LnInvoiceUtil.getAmountInSats(myInvoice))
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} catch (e: Exception) {
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e.printStackTrace()
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null
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}
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lnInvoice = Pair(myInvoice, myInvoiceAmount)
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}
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}
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}
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Crossfade(targetState = lnInvoice) {
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if (it != null) {
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InvoicePreview(it.first, it.second)
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} else {
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Text(
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text = lnbcWord,
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style = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
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)
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}
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}
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}
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@Composable
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fun InvoicePreview(lnInvoice: String, amount: String?) {
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val context = LocalContext.current
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Column(
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modifier = Modifier
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.fillMaxWidth()
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.padding(start = 30.dp, end = 30.dp)
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.clip(shape = QuoteBorder)
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.border(1.dp, MaterialTheme.colors.subtleBorder, QuoteBorder)
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) {
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Column(
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modifier = Modifier
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.fillMaxWidth()
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.padding(30.dp)
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) {
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Row(
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verticalAlignment = Alignment.CenterVertically,
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modifier = Modifier
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.fillMaxWidth()
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.padding(bottom = 10.dp)
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) {
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Icon(
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painter = painterResource(R.drawable.lightning),
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null,
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modifier = Modifier.size(20.dp),
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tint = Color.Unspecified
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)
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Text(
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text = stringResource(R.string.lightning_invoice),
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fontSize = 20.sp,
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fontWeight = FontWeight.W500,
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modifier = Modifier.padding(start = 10.dp)
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)
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}
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Divider()
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amount?.let {
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Text(
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text = "$it ${stringResource(id = R.string.sats)}",
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fontSize = 25.sp,
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fontWeight = FontWeight.W500,
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modifier = Modifier
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.fillMaxWidth()
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.padding(vertical = 10.dp)
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)
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}
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Button(
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modifier = Modifier
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.fillMaxWidth()
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.padding(vertical = 10.dp),
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onClick = {
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runCatching {
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val intent = Intent(Intent.ACTION_VIEW, Uri.parse("lightning:$lnInvoice"))
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startActivity(context, intent, null)
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}
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},
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shape = QuoteBorder,
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colors = ButtonDefaults.buttonColors(
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backgroundColor = MaterialTheme.colors.primary
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)
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) {
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Text(text = stringResource(R.string.pay), color = Color.White, fontSize = 20.sp)
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}
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}
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}
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}
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