bunch of random cleanup

app/src/main/java/de/ccc/events/badge/card10/hatchery/AppDetailFragment.kt

@@ -22,7 +22,6 @@
 
 package de.ccc.events.badge.card10.hatchery
 
-import android.net.Uri
 import android.os.AsyncTask
 import android.os.Bundle
 import android.util.Log
@@ -69,7 +68,7 @@ class AppDetailFragment : Fragment() {
             val ctx = activity ?: throw java.lang.IllegalStateException()
 
             val loadingDialog = LoadingDialog()
-            loadingDialog.show(fragmentManager, "loading")
+            loadingDialog.show(fragmentManager!!, "loading")
 
             val errorDialog =
                 AlertDialog.Builder(ctx).setMessage(R.string.hatchery_error_generic)

app/src/main/java/de/ccc/events/badge/card10/mood/MoodFragment.kt

@@ -38,6 +38,7 @@ import de.ccc.events.badge.card10.ROCKETS_CHARACTERISTIC_UUID
 import kotlinx.android.synthetic.main.mood_fragment.*
 import java.util.concurrent.CountDownLatch
 
+@ExperimentalUnsignedTypes
 class MoodFragment : Fragment() {
 
     private val bluetoothAdapter = BluetoothAdapter.getDefaultAdapter()
@@ -50,13 +51,13 @@ class MoodFragment : Fragment() {
 
         val callback = object : BluetoothGattCallback() {
             override fun onConnectionStateChange(gatt: BluetoothGatt, status: Int, newState: Int) {
-                System.out.println("===== onConnectionStateChange " + gatt + " / " + status + " / " + newState)
+                println("===== onConnectionStateChange " + gatt + " / " + status + " / " + newState)
                 if (newState == BluetoothGatt.STATE_CONNECTED)
                     gatt.discoverServices()
             }
 
             override fun onServicesDiscovered(gatt: BluetoothGatt, status: Int) {
-                System.out.println("===== onServicesDiscovered " + gatt + " / " + status)
+                println("===== onServicesDiscovered " + gatt + " / " + status)
                 val card10Service = gatt.getService(CARD10_SERVICE_UUID)
                 rocketsCharacteristic = card10Service.getCharacteristic(ROCKETS_CHARACTERISTIC_UUID)
             }
@@ -66,8 +67,8 @@ class MoodFragment : Fragment() {
                 characteristic: BluetoothGattCharacteristic,
                 status: Int
             ) {
-                System.out.println("===== onCharacteristicWrite " + characteristic.uuid.toString() + " / " + characteristic.value + " / " + status)
-                writeLatch?.countDown();
+                println("===== onCharacteristicWrite " + characteristic.uuid.toString() + " / " + characteristic.value + " / " + status)
+                writeLatch?.countDown()
             }
         }
 
@@ -83,15 +84,15 @@ class MoodFragment : Fragment() {
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
-        mood_good.setOnClickListener({
-            writeGatt(rocketsCharacteristic!!, ubyteArrayOf(0xffu, 0x00u, 0x00u).toByteArray())
-        })
-        mood_neutral.setOnClickListener({
+        mood_good.setOnClickListener {
+             writeGatt(rocketsCharacteristic!!, ubyteArrayOf(0xffu, 0x00u, 0x00u).toByteArray())
+        }
+        mood_neutral.setOnClickListener {
             writeGatt(rocketsCharacteristic!!, ubyteArrayOf(0x00u, 0xffu, 0x00u).toByteArray())
-        })
-        mood_bad.setOnClickListener({
+        }
+        mood_bad.setOnClickListener {
             writeGatt(rocketsCharacteristic!!, ubyteArrayOf(0x00u, 0x00u, 0xffu).toByteArray())
-        })
+        }
     }
 
     fun writeGatt(characteristic: BluetoothGattCharacteristic, values: ByteArray) {
@@ -100,11 +101,11 @@ class MoodFragment : Fragment() {
         if (!init)
             System.out.println("Failed to initiate writing GATT attribute")
         writeLatch = CountDownLatch(1)
-        writeLatch!!.await();
+        writeLatch!!.await()
     }
 
     override fun onDestroy() {
-        gatt.close();
+        gatt.close()
         super.onDestroy()
     }
 }