1. Triggers a Toast when no wallet is found to pay the invoice

2. Starts the wallet in a separate task to allow people to come back to Amethyst switching apps instead of the back button.

app/src/main/java/com/vitorpamplona/amethyst/ui/components/ClickableWithdrawal.kt

@@ -2,6 +2,7 @@ package com.vitorpamplona.amethyst.ui.components
 
 import android.content.Intent
 import android.net.Uri
+import android.widget.Toast
 import androidx.compose.animation.Crossfade
 import androidx.compose.foundation.text.ClickableText
 import androidx.compose.material.LocalTextStyle
@@ -12,6 +13,7 @@ import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.text.AnnotatedString
 import androidx.compose.ui.text.style.TextDirection
 import androidx.core.content.ContextCompat
+import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.quartz.encoders.LnWithdrawalUtil
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
@@ -41,10 +43,7 @@ fun MayBeWithdrawal(lnurlWord: String) {
 @Composable
 fun ClickableWithdrawal(withdrawalString: String) {
     val context = LocalContext.current
-
+    val scope = rememberCoroutineScope()
-    val uri = remember(withdrawalString) {
-        Uri.parse("lightning:$withdrawalString")
-    }
 
     val withdraw = remember(withdrawalString) {
         AnnotatedString("$withdrawalString ")
@@ -53,9 +52,18 @@ fun ClickableWithdrawal(withdrawalString: String) {
     ClickableText(
         text = withdraw,
         onClick = {
-            runCatching {
+            try {
-                val intent = Intent(Intent.ACTION_VIEW, uri)
+                val intent = Intent(Intent.ACTION_VIEW, Uri.parse("lightning:$withdrawalString"))
+                intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
                 ContextCompat.startActivity(context, intent, null)
+            } catch (e: Exception) {
+                scope.launch {
+                    Toast.makeText(
+                        context,
+                        context.getString(R.string.lightning_wallets_not_found),
+                        Toast.LENGTH_LONG
+                    ).show()
+                }
             }
         },
         style = LocalTextStyle.current.copy(color = MaterialTheme.colors.primary)

app/src/main/java/com/vitorpamplona/amethyst/ui/components/InvoicePreview.kt

@@ -2,6 +2,7 @@ package com.vitorpamplona.amethyst.ui.components
 
 import android.content.Intent
 import android.net.Uri
+import android.widget.Toast
 import androidx.compose.animation.Crossfade
 import androidx.compose.foundation.border
 import androidx.compose.foundation.layout.Column
@@ -66,6 +67,7 @@ fun MayBeInvoicePreview(lnbcWord: String) {
 @Composable
 fun InvoicePreview(lnInvoice: String, amount: String?) {
     val context = LocalContext.current
+    val scope = rememberCoroutineScope()
 
     Column(
         modifier = Modifier
@@ -118,9 +120,18 @@ fun InvoicePreview(lnInvoice: String, amount: String?) {
                     .fillMaxWidth()
                     .padding(vertical = 10.dp),
                 onClick = {
-                    runCatching {
+                    try {
                         val intent = Intent(Intent.ACTION_VIEW, Uri.parse("lightning:$lnInvoice"))
+                        intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
                         startActivity(context, intent, null)
+                    } catch (e: Exception) {
+                        scope.launch {
+                            Toast.makeText(
+                                context,
+                                context.getString(R.string.lightning_wallets_not_found),
+                                Toast.LENGTH_LONG
+                            ).show()
+                        }
                     }
                 },
                 shape = QuoteBorder,

app/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/AccountViewModel.kt

@@ -186,9 +186,12 @@ class AccountViewModel(val account: Account) : ViewModel() {
                         onProgress(0f)
                     }
                 } else {
-                    runCatching {
+                    try {
                         val intent = Intent(Intent.ACTION_VIEW, Uri.parse("lightning:$it"))
+                        intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
                         ContextCompat.startActivity(context, intent, null)
+                    } catch (e: Exception) {
+                        onError(context.getString(R.string.lightning_wallets_not_found))
                     }
                     onProgress(0f)
                 }

app/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/ProfileScreen.kt

@@ -1050,9 +1050,18 @@ fun DisplayLNAddress(
                                 }
                             }
                         } else {
-                            runCatching {
+                            try {
                                 val intent = Intent(Intent.ACTION_VIEW, Uri.parse("lightning:$it"))
+                                intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
                                 ContextCompat.startActivity(context, intent, null)
+                            } catch (e: Exception) {
+                                scope.launch {
+                                    Toast.makeText(
+                                        context,
+                                        context.getString(R.string.lightning_wallets_not_found),
+                                        Toast.LENGTH_LONG
+                                    ).show()
+                                }
                             }
                         }
                     },

app/src/main/res/values/strings.xml

@@ -552,5 +552,6 @@
 
     <string name="status_update">Update your status</string>
 
+    <string name="lightning_wallets_not_found">Error parsing error message</string>
     <string name="poll_zap_value_min_max_explainer">Votes are weighted by the zap amount. You can set a minimum amount to avoid spammers and a maximum amount to avoid a large zappers taking over the poll. Use the same amount in both fields to make sure every vote is valued the same amount. Leave it empty to accept any amount.</string>
 </resources>