diff --git a/app/src/main/java/de/ccc/events/badge/card10/Constants.kt b/app/src/main/java/de/ccc/events/badge/card10/Constants.kt
index 18f2f1e9525067faebf65773b31f46ba7951c29c..9131b6115cff996c1b250468054bc73ddd3a2ac2 100644
--- a/app/src/main/java/de/ccc/events/badge/card10/Constants.kt
+++ b/app/src/main/java/de/ccc/events/badge/card10/Constants.kt
@@ -32,6 +32,7 @@ val DEVICE_NAME_CHARACTERISTIC_UUID = UUID.fromString("00002a00-0000-1000-8000-0
val CARD10_SERVICE_UUID = UUID.fromString("42230200-2342-2342-2342-234223422342")
val VIBRA_CHARACTERISTIC_UUID = UUID.fromString("4223020f-2342-2342-2342-234223422342")
val ROCKETS_CHARACTERISTIC_UUID = UUID.fromString("42230210-2342-2342-2342-234223422342")
+val LEDS_ABOVE_CHARACTERISTIC_UUID = UUID.fromString("42230220-2342-2342-2342-234223422342")
val SINGLE_LED_CHARACTERISTIC_UUID = UUID.fromString("42230211-2342-2342-2342-234223422342")
val LIGHT_SENSOR_CHARACTERISTIC_UUID = UUID.fromString("422302f0-2342-2342-2342-234223422342")
val TIME_CHARACTERISTIC_UUID = UUID.fromString("42230201-2342-2342-2342-234223422342")
diff --git a/app/src/main/java/de/ccc/events/badge/card10/main/MainFragment.kt b/app/src/main/java/de/ccc/events/badge/card10/main/MainFragment.kt
index f4580df0c18bed77f03f4a442088ca494b4ada1a..a9aa628f7874a1a465dbabf6e708570868e5d27f 100644
--- a/app/src/main/java/de/ccc/events/badge/card10/main/MainFragment.kt
+++ b/app/src/main/java/de/ccc/events/badge/card10/main/MainFragment.kt
@@ -36,6 +36,7 @@ import de.ccc.events.badge.card10.common.ConnectionService
import de.ccc.events.badge.card10.hatchery.AppListFragment
import de.ccc.events.badge.card10.mood.MoodFragment
import de.ccc.events.badge.card10.scanner.ScannerFragment
+import de.ccc.events.badge.card10.sparkle.BeautifulFragment
import kotlinx.android.synthetic.main.main_fragment.*
class MainFragment : Fragment() {
@@ -64,6 +65,7 @@ class MainFragment : Fragment() {
button_pair.setOnClickListener { startFragment(ScannerFragment()) }
button_mood.setOnClickListener { startFragment(MoodFragment()) }
+ button_beautiful.setOnClickListener { startFragment(BeautifulFragment()) }
button_hatchery.setOnClickListener { startFragment(AppListFragment()) }
}
diff --git a/app/src/main/java/de/ccc/events/badge/card10/sparkle/BeautifulFragment.kt b/app/src/main/java/de/ccc/events/badge/card10/sparkle/BeautifulFragment.kt
new file mode 100644
index 0000000000000000000000000000000000000000..fbf7fc4dff93c26fe85bc14a22ec93bd70304d8c
--- /dev/null
+++ b/app/src/main/java/de/ccc/events/badge/card10/sparkle/BeautifulFragment.kt
@@ -0,0 +1,105 @@
+/*
+ * Copyright by the original author or authors.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package de.ccc.events.badge.card10.sparkle
+
+import android.bluetooth.*
+import android.os.Bundle
+import android.os.Handler
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import de.ccc.events.badge.card10.CARD10_BLUETOOTH_MAC_PREFIX
+import de.ccc.events.badge.card10.CARD10_SERVICE_UUID
+import de.ccc.events.badge.card10.LEDS_ABOVE_CHARACTERISTIC_UUID
+import de.ccc.events.badge.card10.R
+import java.util.concurrent.CountDownLatch
+import kotlin.random.Random
+
+class BeautifulFragment : Fragment(), Runnable {
+
+ private val bluetoothAdapter = BluetoothAdapter.getDefaultAdapter()
+ private lateinit var gatt: BluetoothGatt
+ private var ledsAboveCharacteristic: BluetoothGattCharacteristic? = null
+ private @Volatile var writeLatch: CountDownLatch? = null
+ private val handler = Handler()
+
+ override fun onCreate(savedInstanceState: Bundle?) {
+ super.onCreate(savedInstanceState)
+
+ val callback = object : BluetoothGattCallback() {
+ override fun onConnectionStateChange(gatt: BluetoothGatt, status: Int, newState: Int) {
+ println("===== onConnectionStateChange ${gatt} ${if (status == BluetoothGatt.GATT_SUCCESS) "SUCCESS" else status} ${if (newState == BluetoothProfile.STATE_CONNECTED) "CONNECTED" else if (newState == BluetoothProfile.STATE_DISCONNECTED) "DISCONNECTED" else newState}")
+ if (newState == BluetoothGatt.STATE_CONNECTED)
+ gatt.requestMtu(64)
+ }
+
+ override fun onMtuChanged(gatt: BluetoothGatt, mtu: Int, status: Int) {
+ println("===== onMtuChanged ${gatt} ${if (status == BluetoothGatt.GATT_SUCCESS) "SUCCESS" else status} ${mtu}")
+ gatt.discoverServices()
+ }
+
+ override fun onServicesDiscovered(gatt: BluetoothGatt, status: Int) {
+ println("===== onServicesDiscovered ${gatt} ${if (status == BluetoothGatt.GATT_SUCCESS) "SUCCESS" else status}")
+ val card10Service = gatt.getService(CARD10_SERVICE_UUID)
+ ledsAboveCharacteristic = card10Service.getCharacteristic(LEDS_ABOVE_CHARACTERISTIC_UUID)
+ handler.post(this@BeautifulFragment)
+ }
+
+ override fun onCharacteristicWrite(
+ gatt: BluetoothGatt,
+ characteristic: BluetoothGattCharacteristic,
+ status: Int
+ ) {
+ println("=== onCharacteristicWrite ${gatt} ${if (status == BluetoothGatt.GATT_SUCCESS) "SUCCESS" else status} ${characteristic.uuid} ${characteristic.value}")
+ writeLatch?.countDown();
+ }
+ }
+
+ val remoteDevices =
+ bluetoothAdapter.bondedDevices.filter { it.address.startsWith(CARD10_BLUETOOTH_MAC_PREFIX, true) }
+ if (remoteDevices.isEmpty())
+ activity!!.finish()
+ gatt = remoteDevices.get(0).connectGatt(activity, false, callback)
+ }
+
+ override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+ return inflater.inflate(R.layout.beautiful_fragment, container, false)
+ }
+
+ override fun run() {
+ ledsAboveCharacteristic!!.value = Random.nextBytes(33);
+ writeLatch = CountDownLatch(1)
+ val init = gatt.writeCharacteristic(ledsAboveCharacteristic)
+ if (!init)
+ println("=== Failed to initiate writing GATT attribute")
+ writeLatch!!.await();
+ handler.postDelayed(this, 100)
+ }
+
+ override fun onDestroy() {
+ handler.removeCallbacksAndMessages(null)
+ gatt.close();
+ super.onDestroy()
+ }
+}
diff --git a/app/src/main/res/layout/beautiful_fragment.xml b/app/src/main/res/layout/beautiful_fragment.xml
new file mode 100644
index 0000000000000000000000000000000000000000..67008c8e4d2b49a5d1e3c8a8ce5441ca4951eec7
--- /dev/null
+++ b/app/src/main/res/layout/beautiful_fragment.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:app="http://schemas.android.com/apk/res-auto"
+ android:layout_width="match_parent"
+ android:layout_height="match_parent"
+ android:padding="@dimen/activity_padding">
+ <TextView android:layout_width="wrap_content" android:layout_height="wrap_content"
+ android:text="Sparkling your LEDs, press back to stop…"
+ android:layout_marginTop="8dp"
+ app:layout_constraintTop_toTopOf="parent" android:layout_marginBottom="8dp"
+ app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintStart_toStartOf="parent"
+ android:layout_marginStart="8dp" app:layout_constraintEnd_toEndOf="parent"
+ android:layout_marginEnd="8dp"/>
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/layout/main_fragment.xml b/app/src/main/res/layout/main_fragment.xml
index 09e55d4910150e1c3cb65f0196e80dfcc6068e66..04ffb99f50b5f19976d426e7296f1475573dfaa3 100644
--- a/app/src/main/res/layout/main_fragment.xml
+++ b/app/src/main/res/layout/main_fragment.xml
@@ -54,11 +54,22 @@
android:layout_marginTop="@dimen/main_label_margin"
android:id="@+id/button_mood"
android:text="@string/main_button_mood"
+ app:layout_constraintTop_toTopOf="parent"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
/>
+ <Button android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:layout_marginTop="@dimen/main_label_margin"
+ android:id="@+id/button_beautiful"
+ android:text="Beautiful"
+ app:layout_constraintTop_toBottomOf="@id/button_mood"
+ app:layout_constraintBottom_toBottomOf="parent"
+ app:layout_constraintLeft_toLeftOf="parent"
+ app:layout_constraintRight_toRightOf="parent"
+ />
</androidx.constraintlayout.widget.ConstraintLayout>
<androidx.constraintlayout.widget.ConstraintLayout android:layout_width="match_parent"