feat: ui haptics

app/src/main/AndroidManifest.xml

@@ -9,6 +9,7 @@
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE_DATA_SYNC" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE_SPECIAL_USE" />
     <uses-permission android:name="android.permission.NFC" />
+    <uses-permission android:name="android.permission.VIBRATE"/>
 
     <uses-feature android:name="android.hardware.camera" android:required="false" />
     <uses-feature android:name="android.hardware.nfc" android:required="false" />

app/src/main/java/com/bitcointxoko/gudariwallet/ui/receive/ReceiveScreen.kt

@@ -58,10 +58,14 @@ import androidx.compose.ui.unit.dp
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import com.bitcointxoko.gudariwallet.LocalAppStrings
 import com.bitcointxoko.gudariwallet.ui.ReceiveState
+import com.bitcointxoko.gudariwallet.ui.SendState
 import com.bitcointxoko.gudariwallet.ui.WalletViewModel
 import com.bitcointxoko.gudariwallet.ui.components.UnitWheelPicker
 import com.bitcointxoko.gudariwallet.ui.nfc.NfcViewModel
+import com.bitcointxoko.gudariwallet.util.buildUpTaps
+import com.bitcointxoko.gudariwallet.util.doubleTap
 import com.bitcointxoko.gudariwallet.util.fiatLabel
+import com.bitcointxoko.gudariwallet.util.heavyClick
 import kotlinx.coroutines.delay
 
 @Composable
@@ -107,6 +111,14 @@ fun ReceiveScreen(
         }
     }
 
+    LaunchedEffect(receiveState) {
+        when (receiveState) {
+            is ReceiveState.PaymentReceived -> context.buildUpTaps()
+            // is SendState.Error -> context.errorBuzz()
+            else -> Unit
+        }
+    }
+
     Box(modifier = Modifier.fillMaxSize()) {
         if (receiveState !is ReceiveState.InvoiceReady) {
             Column(

app/src/main/java/com/bitcointxoko/gudariwallet/ui/send/SendScreen.kt

@@ -31,8 +31,10 @@ import com.bitcointxoko.gudariwallet.ui.WalletViewModel
 import com.bitcointxoko.gudariwallet.ui.nfc.NfcViewModel
 import com.bitcointxoko.gudariwallet.ui.receive.AmountDisplay
 import com.bitcointxoko.gudariwallet.util.SendInputDetector
+import com.bitcointxoko.gudariwallet.util.doubleTap
 import com.bitcointxoko.gudariwallet.util.feePpm
 import com.bitcointxoko.gudariwallet.util.fiatLabel
+import com.bitcointxoko.gudariwallet.util.heavyClick
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 
@@ -82,6 +84,16 @@ fun SendScreen(
         }
     }
 
+    LaunchedEffect(sendState) {
+        when (sendState) {
+            is SendState.Bolt11Decoded,
+            is SendState.LnurlInvoiceReady -> context.doubleTap()
+            is SendState.PaymentSent -> context.heavyClick()
+            // is SendState.Error -> context.errorBuzz()
+            else -> Unit
+        }
+    }
+
     Column(
         modifier = Modifier
             .fillMaxSize()

app/src/main/java/com/bitcointxoko/gudariwallet/util/Haptics.kt

@@ -0,0 +1,54 @@
+package com.bitcointxoko.gudariwallet.util
+
+import android.content.Context
+import android.os.*
+
+fun Context.heavyClick() {
+    val vibrator = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+        (getSystemService(VibratorManager::class.java)).defaultVibrator
+    } else {
+        @Suppress("DEPRECATION")
+        getSystemService(Context.VIBRATOR_SERVICE) as Vibrator
+    }
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+        vibrator.vibrate(VibrationEffect.createPredefined(VibrationEffect.EFFECT_HEAVY_CLICK))
+    } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+        vibrator.vibrate(VibrationEffect.createOneShot(50L, VibrationEffect.DEFAULT_AMPLITUDE))
+    }
+}
+
+fun Context.doubleTap() {
+    val vibrator = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+        (getSystemService(VibratorManager::class.java)).defaultVibrator
+    } else {
+        @Suppress("DEPRECATION")
+        getSystemService(Context.VIBRATOR_SERVICE) as Vibrator
+    }
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+        vibrator.vibrate(VibrationEffect.createPredefined(VibrationEffect.EFFECT_DOUBLE_CLICK))
+    } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+        vibrator.vibrate(VibrationEffect.createOneShot(50L, VibrationEffect.DEFAULT_AMPLITUDE))
+    }
+}
+
+fun Context.buildUpTaps() {
+    val vibrator = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+        (getSystemService(VibratorManager::class.java)).defaultVibrator
+    } else {
+        @Suppress("DEPRECATION")
+        getSystemService(Context.VIBRATOR_SERVICE) as Vibrator
+    }
+
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+        // Timings: off, on, off, on, off, on, off, FINAL ON
+        val timings    = longArrayOf(0,  30, 80,  30, 50,  30, 20,  60)
+        val amplitudes =  intArrayOf(0,  60,  0,  90,  0, 140,  0, 255)
+        //                           ^gap ^tap  ^gap ^tap  ^gap ^tap  ^gap ^THUD
+
+        vibrator.vibrate(VibrationEffect.createWaveform(timings, amplitudes, -1))
+    } else {
+        // Legacy fallback — simple triple-tap
+        @Suppress("DEPRECATION")
+        vibrator.vibrate(longArrayOf(0, 40, 60, 40, 40, 80), -1)
+    }
+}