lint recommendation

app/src/main/java/info/nightscout/androidaps/plugins/general/openhumans/OpenHumansLoginActivity.kt

@@ -26,7 +26,7 @@ class OpenHumansLoginActivity : NoSplashAppCompatActivity() {
         val button = findViewById<Button>(R.id.button)
         val checkbox = findViewById<CheckBox>(R.id.checkbox)
 
-        button.setOnClickListener { _ ->
+        button.setOnClickListener {
             if (checkbox.isChecked) {
                 CustomTabsIntent.Builder().build().launchUrl(this, Uri.parse(OpenHumansUploader.AUTH_URL))
             } else {
@@ -55,7 +55,7 @@ class OpenHumansLoginActivity : NoSplashAppCompatActivity() {
         }
 
         override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
-            return AlertDialog.Builder(activity!!)
+            return AlertDialog.Builder(requireActivity())
                 .setTitle(R.string.completing_login)
                 .setMessage(R.string.please_wait)
                 .create()
@@ -65,10 +65,10 @@ class OpenHumansLoginActivity : NoSplashAppCompatActivity() {
             super.onCreate(savedInstanceState)
             disposable = openHumansUploader.login(arguments?.getString("authToken")!!).subscribeOn(Schedulers.io()).subscribe({
                 dismiss()
-                SetupDoneDialog().show(fragmentManager!!, "SetupDoneDialog")
+                SetupDoneDialog().show(parentFragmentManager, "SetupDoneDialog")
             }, {
                 dismiss()
-                ErrorDialog(it.message).show(fragmentManager!!, "ErrorDialog")
+                ErrorDialog(it.message).show(parentFragmentManager, "ErrorDialog")
             })
         }
 
@@ -96,7 +96,7 @@ class OpenHumansLoginActivity : NoSplashAppCompatActivity() {
             val message = arguments?.getString("message")
             val shownMessage = if (message == null) getString(R.string.there_was_an_error)
             else "${getString(R.string.there_was_an_error)}\n\n$message"
-            return AlertDialog.Builder(activity!!)
+            return AlertDialog.Builder(requireActivity())
                 .setTitle(R.string.error)
                 .setMessage(shownMessage)
                 .setPositiveButton(R.string.close, null)
@@ -122,14 +122,14 @@ class OpenHumansLoginActivity : NoSplashAppCompatActivity() {
         }
 
         override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
-            return AlertDialog.Builder(activity!!)
+            return AlertDialog.Builder(requireActivity())
                 .setTitle(R.string.successfully_logged_in)
                 .setMessage(R.string.setup_will_continue_in_background)
                 .setCancelable(false)
                 .setPositiveButton(R.string.close) { _, _ ->
-                    activity!!.run {
+                    requireActivity().run {
                         setResult(Activity.RESULT_OK)
-                        activity!!.finish()
+                        requireActivity().finish()
                     }
                 }
                 .create()

app/src/main/java/info/nightscout/androidaps/utils/alertDialogs/PrefImportSummaryDialog.kt

@@ -133,8 +133,8 @@ object PrefImportSummaryDialog {
 
         val dialog = builder.show()
         val textView = dialog.findViewById<View>(android.R.id.message) as TextView?
-        textView!!.textSize = 12f
-        textView!!.setPadding(10,0,0,0)
+        textView?.textSize = 12f
+        textView?.setPadding(10,0,0,0)
         dialog.setCanceledOnTouchOutside(false)
     }
 

core/src/main/java/info/nightscout/androidaps/utils/ui/MinutesNumberPicker.kt

@@ -1,17 +1,14 @@
 package info.nightscout.androidaps.utils.ui
 
 import android.content.Context
-import android.text.TextWatcher
 import android.util.AttributeSet
-import android.util.Log
-import android.view.View.OnFocusChangeListener
 import android.widget.Button
 import info.nightscout.androidaps.core.R
 import java.text.DecimalFormat
 
 class MinutesNumberPicker constructor(context: Context, attrs: AttributeSet? = null) : NumberPicker(context, attrs) {
 
-    fun setParams(initValue: Double, minValue: Double, maxValue: Double, step: Double, allowZero: Boolean, okButton: Button? = null, textWatcher: TextWatcher? = null) {
+    fun setParams(initValue: Double, minValue: Double, maxValue: Double, step: Double, allowZero: Boolean, okButton: Button? = null) {
         super.setParams(initValue, minValue, maxValue, step, null, allowZero, okButton)
     }
 

danars/src/main/java/info/nightscout/androidaps/danars/services/DanaRSService.kt

@@ -114,7 +114,6 @@ class DanaRSService : DaggerService() {
 
     fun readPumpStatus() {
         try {
-            val now = System.currentTimeMillis()
             val pump = activePlugin.activePump
             rxBus.send(EventPumpStatusChanged(resourceHelper.gs(R.string.gettingpumpsettings)))
             sendMessage(DanaRS_Packet_Etc_Keep_Connection(injector)) // test encryption for v3

omnipod/src/main/java/info/nightscout/androidaps/plugins/pump/omnipod/ui/wizard/common/viewmodel/ActionViewModelBase.kt

@@ -17,7 +17,7 @@ abstract class ActionViewModelBase : ViewModel() {
 
     fun executeAction() {
         _isActionExecutingLiveData.postValue(true)
-        val disposable = SingleSubject.fromCallable<PumpEnactResult>(this::doExecuteAction)
+        SingleSubject.fromCallable<PumpEnactResult>(this::doExecuteAction)
             .subscribeOn(Schedulers.io())
             .doOnSuccess { result ->
                 _isActionExecutingLiveData.postValue(false)