set of changes #1

app/src/main/java/chat/rocket/android/authentication/login/presentation/LoginPresenter.kt

@@ -151,13 +151,20 @@ class LoginPresenter @Inject constructor(
                     client.settingsOauth().services
                 }
                 if (services.isNotEmpty()) {
-                    val state = "{\"loginStyle\":\"popup\",\"credentialToken\":\"${generateRandomString(40)}\",\"isCordova\":true}".encodeToBase64()
+                    val state =
+                        "{\"loginStyle\":\"popup\",\"credentialToken\":\"${generateRandomString(40)}\",\"isCordova\":true}".encodeToBase64()
                     var totalSocialAccountsEnabled = 0
 
                     if (settings.isFacebookAuthenticationEnabled()) {
                         val clientId = getOauthClientId(services, SERVICE_NAME_FACEBOOK)
                         if (clientId != null) {
-                            view.setupFacebookButtonListener(OauthHelper.getFacebookOauthUrl(clientId, currentServer, state), state)
+                            view.setupFacebookButtonListener(
+                                OauthHelper.getFacebookOauthUrl(
+                                    clientId,
+                                    currentServer,
+                                    state
+                                ), state
+                            )
                             view.enableLoginByFacebook()
                             totalSocialAccountsEnabled++
                         }
@@ -165,7 +172,12 @@ class LoginPresenter @Inject constructor(
                     if (settings.isGithubAuthenticationEnabled()) {
                         val clientId = getOauthClientId(services, SERVICE_NAME_GITHUB)
                         if (clientId != null) {
-                            view.setupGithubButtonListener(OauthHelper.getGithubOauthUrl(clientId, state), state)
+                            view.setupGithubButtonListener(
+                                OauthHelper.getGithubOauthUrl(
+                                    clientId,
+                                    state
+                                ), state
+                            )
                             view.enableLoginByGithub()
                             totalSocialAccountsEnabled++
                         }
@@ -173,7 +185,13 @@ class LoginPresenter @Inject constructor(
                     if (settings.isGoogleAuthenticationEnabled()) {
                         val clientId = getOauthClientId(services, SERVICE_NAME_GOOGLE)
                         if (clientId != null) {
-                            view.setupGoogleButtonListener(OauthHelper.getGoogleOauthUrl(clientId, currentServer, state), state)
+                            view.setupGoogleButtonListener(
+                                OauthHelper.getGoogleOauthUrl(
+                                    clientId,
+                                    currentServer,
+                                    state
+                                ), state
+                            )
                             view.enableLoginByGoogle()
                             totalSocialAccountsEnabled++
                         }
@@ -181,7 +199,13 @@ class LoginPresenter @Inject constructor(
                     if (settings.isLinkedinAuthenticationEnabled()) {
                         val clientId = getOauthClientId(services, SERVICE_NAME_LINKEDIN)
                         if (clientId != null) {
-                            view.setupLinkedinButtonListener(OauthHelper.getLinkedinOauthUrl(clientId, currentServer, state), state)
+                            view.setupLinkedinButtonListener(
+                                OauthHelper.getLinkedinOauthUrl(
+                                    clientId,
+                                    currentServer,
+                                    state
+                                ), state
+                            )
                             view.enableLoginByLinkedin()
                             totalSocialAccountsEnabled++
                         }

app/src/main/java/chat/rocket/android/authentication/login/ui/LoginFragment.kt

@@ -10,7 +10,6 @@ import android.os.Build
 import android.os.Bundle
 import android.support.v4.app.Fragment
 import android.text.style.ClickableSpan
-import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
@@ -39,6 +38,7 @@ import com.google.android.gms.common.api.ResolvingResultCallbacks
 import com.google.android.gms.common.api.Status
 import dagger.android.support.AndroidSupportInjection
 import kotlinx.android.synthetic.main.fragment_authentication_log_in.*
+import timber.log.Timber
 import javax.inject.Inject
 
 
@@ -72,12 +72,11 @@ class LoginFragment : Fragment(), LoginView, GoogleApiClient.ConnectionCallbacks
         }
     }
 
-    override fun onConnected(p0: Bundle?) {
+    override fun onConnected(bundle: Bundle?) {
         saveSmartLockCredentials(credentialsToBeSaved)
     }
 
-    override fun onConnectionSuspended(p0: Int) {
-        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    override fun onConnectionSuspended(errorCode: Int) {
     }
 
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -118,11 +117,11 @@ class LoginFragment : Fragment(), LoginView, GoogleApiClient.ConnectionCallbacks
 
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         if (resultCode == Activity.RESULT_OK) {
-            if (requestCode == REQUEST_CODE_FOR_CAS) {
-                data?.apply {
+            when (requestCode) {
+                REQUEST_CODE_FOR_CAS -> data?.apply {
                     presenter.authenticateWithCas(getStringExtra(INTENT_CAS_TOKEN))
                 }
-            } else if (requestCode == REQUEST_CODE_FOR_OAUTH) {
+                REQUEST_CODE_FOR_OAUTH -> {
                     isOauthSuccessful = true
                     data?.apply {
                         presenter.authenticateWithOauth(
@@ -130,28 +129,30 @@ class LoginFragment : Fragment(), LoginView, GoogleApiClient.ConnectionCallbacks
                             getStringExtra(INTENT_OAUTH_CREDENTIAL_SECRET)
                         )
                     }
-            } else if (requestCode == MULTIPLE_CREDENTIALS_READ) {
-                var loginCredentials: Credential = data!!.getParcelableExtra(Credential.EXTRA_KEY)
+                }
+                MULTIPLE_CREDENTIALS_READ -> {
+                    val loginCredentials: Credential = data!!.getParcelableExtra(Credential.EXTRA_KEY)
                     handleCredential(loginCredentials)
-            } else if (requestCode == NO_CREDENTIALS_EXIST) {
+                }
+                NO_CREDENTIALS_EXIST -> {
                     //use the hints to autofill sign in forms to reduce the info to be filled
-                var loginCredentials: Credential = data!!.getParcelableExtra(Credential.EXTRA_KEY)
-                var email = loginCredentials.id
-                var password = loginCredentials.password
+                    val loginCredentials: Credential = data!!.getParcelableExtra(Credential.EXTRA_KEY)
+                    val email = loginCredentials.id
+                    val password = loginCredentials.password
 
                     text_username_or_email.setText(email)
                     text_password.setText(password)
-            } else if (requestCode == SAVE_CREDENTIALS) {
-                Toast.makeText(context, "Credentials saved successfully", Toast.LENGTH_SHORT).show()
+                }
+                SAVE_CREDENTIALS -> Toast.makeText(context, "Credentials saved successfully", Toast.LENGTH_SHORT).show()
             }
         } else if (requestCode == SAVE_CREDENTIALS) {
-            Log.e("STATUS", "ERROR: Cancelled by user")
+            Timber.e("ERROR: Cancelled by user")
         } else if (requestCode == MULTIPLE_CREDENTIALS_READ) {
-            Log.d("STATUS", "failed ")
+            Timber.e("ERROR: Failed reading credentials")
         }
         //cancel button pressed by the user in case of reading from smart lock
         else if (resultCode == Activity.RESULT_CANCELED && requestCode == REQUEST_CODE_FOR_OAUTH) {
-            Log.d("returned", "from oauth")
+            Timber.d("Returned from oauth")
         }
         //no hints for user id's exist
         else if (resultCode == CredentialsApi.ACTIVITY_RESULT_NO_HINTS_AVAILABLE) {
@@ -167,7 +168,7 @@ class LoginFragment : Fragment(), LoginView, GoogleApiClient.ConnectionCallbacks
     private fun buildGoogleApiClient() {
         googleApiClient = GoogleApiClient.Builder(context!!)
             .enableAutoManage(activity!!, {
-                    Log.d("STATUS", "ERROR: connection to client failed")
+                Timber.e("ERROR: Connection to client failed")
             })
             .addConnectionCallbacks(this)
             .addApi(Auth.CREDENTIALS_API)
@@ -182,11 +183,12 @@ class LoginFragment : Fragment(), LoginView, GoogleApiClient.ConnectionCallbacks
     }
 
     private fun requestCredentials() {
-        var request: CredentialRequest = CredentialRequest.Builder()
+        val request: CredentialRequest = CredentialRequest.Builder()
             .setPasswordLoginSupported(true)
             .build()
 
-        Auth.CredentialsApi.request(googleApiClient, request).setResultCallback { credentialRequestResult ->
+        Auth.CredentialsApi.request(googleApiClient, request)
+            .setResultCallback { credentialRequestResult ->
                 val status = credentialRequestResult.status
                 if (status.isSuccess) {
                     // Auto sign-in success
@@ -196,28 +198,42 @@ class LoginFragment : Fragment(), LoginView, GoogleApiClient.ConnectionCallbacks
                 } else if (status.statusCode == CommonStatusCodes.SIGN_IN_REQUIRED) {
 
                     //build a dialog for possible account hints
-                var hintRequest: HintRequest = HintRequest.Builder()
-                        .setHintPickerConfig(CredentialPickerConfig.Builder()
+                    val hintRequest: HintRequest = HintRequest.Builder()
+                        .setHintPickerConfig(
+                            CredentialPickerConfig.Builder()
                                 .setShowCancelButton(true)
-                                .build())
+                                .build()
+                        )
                         .setEmailAddressIdentifierSupported(true)
                         .setAccountTypes(IdentityProviders.GOOGLE)
                         .build()
-                var intent: PendingIntent = Auth.CredentialsApi.getHintPickerIntent(googleApiClient, hintRequest)
+                    val intent: PendingIntent =
+                        Auth.CredentialsApi.getHintPickerIntent(googleApiClient, hintRequest)
                     try {
-                    startIntentSenderForResult(intent.intentSender, NO_CREDENTIALS_EXIST, null, 0, 0, 0, null)
+                        startIntentSenderForResult(
+                            intent.intentSender,
+                            NO_CREDENTIALS_EXIST,
+                            null,
+                            0,
+                            0,
+                            0,
+                            null
+                        )
                     } catch (e: IntentSender.SendIntentException) {
-                    Log.e("STATUS", "ERROR: Could not start hint picker Intent", e);
+                        Timber.e("STATUS", "ERROR: Could not start hint picker Intent", e);
                     }
                 } else {
-                Log.d("STATUS", "ERROR: nothing happening")
+                    Timber.d("STATUS", "ERROR: nothing happening")
                 }
             }
     }
 
     private fun handleCredential(loginCredentials: Credential) {
         if (loginCredentials.accountType == null) {
-            presenter.authenticateWithUserAndPassword(loginCredentials.id, loginCredentials.password!!)
+            presenter.authenticateWithUserAndPassword(
+                loginCredentials.id,
+                loginCredentials.password!!
+            )
         }
     }
 
@@ -225,7 +241,7 @@ class LoginFragment : Fragment(), LoginView, GoogleApiClient.ConnectionCallbacks
         try {
             status.startResolutionForResult(activity, requestCode)
         } catch (e: IntentSender.SendIntentException) {
-            Log.e("STATUS", "Failed to send Credentials intent.", e)
+            Timber.e("STATUS", "Failed to send Credentials intent.", e)
         }
     }
 
@@ -238,12 +254,12 @@ class LoginFragment : Fragment(), LoginView, GoogleApiClient.ConnectionCallbacks
         Auth.CredentialsApi.save(googleApiClient, credentialsToBeSaved).setResultCallback(
             object : ResolvingResultCallbacks<Status>(activity!!, SAVE_CREDENTIALS) {
                 override fun onSuccess(status: Status) {
-                        Log.d("STATUS", "save:SUCCESS:$status")
+                    Timber.d("STATUS", "save:SUCCESS:$status")
                     credentialsToBeSaved = null
                 }
 
                 override fun onUnresolvableFailure(status: Status) {
-                        Log.w("STATUS", "save:FAILURE:$status")
+                    Timber.w("STATUS", "save:FAILURE:$status")
                     credentialsToBeSaved = null
                 }
             })

app/src/main/java/chat/rocket/android/authentication/signup/presentation/SignupPresenter.kt

@@ -23,7 +23,8 @@ import chat.rocket.core.model.Myself
 import com.google.android.gms.auth.api.credentials.Credential
 import javax.inject.Inject
 
-class SignupPresenter @Inject constructor(private val view: SignupView,
+class SignupPresenter @Inject constructor(
+    private val view: SignupView,
     private val strategy: CancelStrategy,
     private val navigator: AuthenticationNavigator,
     private val localRepository: LocalRepository,
@@ -31,7 +32,8 @@ class SignupPresenter @Inject constructor(private val view: SignupView,
     private val factory: RocketChatClientFactory,
     private val saveAccountInteractor: SaveAccountInteractor,
     private val getAccountsInteractor: GetAccountsInteractor,
-                                          settingsInteractor: GetSettingsInteractor) {
+    settingsInteractor: GetSettingsInteractor
+) {
     private val currentServer = serverInteractor.get()!!
     private val client: RocketChatClient = factory.create(currentServer)
     private var settings: PublicSettings = settingsInteractor.get(serverInteractor.get()!!)
@@ -67,7 +69,7 @@ class SignupPresenter @Inject constructor(private val view: SignupView,
                         localRepository.save(LocalRepository.CURRENT_USERNAME_KEY, me.username)
                         saveAccount(me)
                         registerPushToken()
-                        var loginCredentials: Credential = Credential.Builder(email)
+                        val loginCredentials = Credential.Builder(email)
                             .setPassword(password)
                             .build()
                         view.saveSmartLockCredentials(loginCredentials)

app/src/main/java/chat/rocket/android/authentication/signup/presentation/SignupView.kt

@@ -29,5 +29,5 @@ interface SignupView : LoadingView, MessageView {
     /**
      * Save credentials via google smart lock
      */
-    fun saveSmartLockCredentials(loginCredential: Credential?)
+    fun saveSmartLockCredentials(loginCredential: Credential)
 }
\ No newline at end of file

app/src/main/java/chat/rocket/android/authentication/signup/ui/SignupFragment.kt

@@ -7,7 +7,6 @@ import android.os.Build
 import android.os.Bundle
 import android.support.v4.app.Fragment
 import android.text.style.ClickableSpan
-import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
@@ -26,6 +25,7 @@ import com.google.android.gms.common.api.ResolvingResultCallbacks
 import com.google.android.gms.common.api.Status
 import dagger.android.support.AndroidSupportInjection
 import kotlinx.android.synthetic.main.fragment_authentication_sign_up.*
+import timber.log.Timber
 import javax.inject.Inject
 
 internal const val SAVE_CREDENTIALS = 1
@@ -34,7 +34,7 @@ class SignupFragment : Fragment(), SignupView {
 
     @Inject
     lateinit var presenter: SignupPresenter
-    private var credentialsToBeSaved: Credential? = null
+    private lateinit var credentialsToBeSaved: Credential
     private val layoutListener = ViewTreeObserver.OnGlobalLayoutListener {
         if (KeyboardHelper.isSoftKeyboardShown(relative_layout.rootView)) {
             bottom_container.setVisible(false)
@@ -56,7 +56,11 @@ class SignupFragment : Fragment(), SignupView {
         AndroidSupportInjection.inject(this)
     }
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? = inflater.inflate(R.layout.fragment_authentication_sign_up, container, false)
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? = inflater.inflate(R.layout.fragment_authentication_sign_up, container, false)
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
@@ -70,7 +74,12 @@ class SignupFragment : Fragment(), SignupView {
         setUpNewUserAgreementListener()
 
         button_sign_up.setOnClickListener {
-            presenter.signup(text_username.textContent, text_username.textContent, text_password.textContent, text_email.textContent)
+            presenter.signup(
+                text_username.textContent,
+                text_username.textContent,
+                text_password.textContent,
+                text_email.textContent
+            )
         }
     }
 
@@ -111,7 +120,7 @@ class SignupFragment : Fragment(), SignupView {
         }
     }
 
-    override fun saveSmartLockCredentials(loginCredential: Credential?) {
+    override fun saveSmartLockCredentials(loginCredential: Credential) {
         credentialsToBeSaved = loginCredential
         if (googleApiClient!!.isConnected) {
             saveCredentials()
@@ -123,25 +132,20 @@ class SignupFragment : Fragment(), SignupView {
             if (resultCode == RESULT_OK) {
                 Toast.makeText(context, "Credentials saved successfully", Toast.LENGTH_SHORT).show()
             } else {
-                Log.e("STATUS", "ERROR: Cancelled by user")
+                Timber.e("ERROR: Cancelled by user")
             }
         }
     }
 
     private fun saveCredentials() {
-        if (credentialsToBeSaved == null) {
-            return
-        }
         Auth.CredentialsApi.save(googleApiClient, credentialsToBeSaved).setResultCallback(
             object : ResolvingResultCallbacks<Status>(activity!!, SAVE_CREDENTIALS) {
                 override fun onSuccess(status: Status) {
-                        Log.d("STATUS", "save:SUCCESS:$status")
-                        credentialsToBeSaved = null
+                    Timber.d("save:SUCCESS:$status")
                 }
 
                 override fun onUnresolvableFailure(status: Status) {
-                        Log.w("STATUS", "save:FAILURE:$status")
-                        credentialsToBeSaved = null
+                    Timber.w("save:FAILURE:$status")
                 }
             })
     }
@@ -178,7 +182,8 @@ class SignupFragment : Fragment(), SignupView {
 
     private fun tintEditTextDrawableStart() {
         ui {
-            val personDrawable = DrawableHelper.getDrawableFromId(R.drawable.ic_person_black_24dp, it)
+            val personDrawable =
+                DrawableHelper.getDrawableFromId(R.drawable.ic_person_black_24dp, it)
             val atDrawable = DrawableHelper.getDrawableFromId(R.drawable.ic_at_black_24dp, it)
             val lockDrawable = DrawableHelper.getDrawableFromId(R.drawable.ic_lock_black_24dp, it)
             val emailDrawable = DrawableHelper.getDrawableFromId(R.drawable.ic_email_black_24dp, it)
@@ -186,14 +191,22 @@ class SignupFragment : Fragment(), SignupView {
             val drawables = arrayOf(personDrawable, atDrawable, lockDrawable, emailDrawable)
             DrawableHelper.wrapDrawables(drawables)
             DrawableHelper.tintDrawables(drawables, it, R.color.colorDrawableTintGrey)
-            DrawableHelper.compoundDrawables(arrayOf(text_name, text_username, text_password, text_email), drawables)
+            DrawableHelper.compoundDrawables(
+                arrayOf(
+                    text_name,
+                    text_username,
+                    text_password,
+                    text_email
+                ), drawables
+            )
         }
     }
 
     private fun setUpNewUserAgreementListener() {
         val termsOfService = getString(R.string.action_terms_of_service)
         val privacyPolicy = getString(R.string.action_privacy_policy)
-        val newUserAgreement = String.format(getString(R.string.msg_new_user_agreement), termsOfService, privacyPolicy)
+        val newUserAgreement =
+            String.format(getString(R.string.msg_new_user_agreement), termsOfService, privacyPolicy)
 
         text_new_user_agreement.text = newUserAgreement
 
@@ -209,7 +222,11 @@ class SignupFragment : Fragment(), SignupView {
             }
         }
 
-        TextHelper.addLink(text_new_user_agreement, arrayOf(termsOfService, privacyPolicy), arrayOf(termsOfServiceListener, privacyPolicyListener))
+        TextHelper.addLink(
+            text_new_user_agreement,
+            arrayOf(termsOfService, privacyPolicy),
+            arrayOf(termsOfServiceListener, privacyPolicyListener)
+        )
     }
 
     private fun enableUserInput(value: Boolean) {

app/src/main/java/chat/rocket/android/authentication/ui/AuthenticationActivity.kt

@@ -21,8 +21,10 @@ import kotlinx.coroutines.experimental.launch
 import javax.inject.Inject
 
 class AuthenticationActivity : AppCompatActivity(), HasSupportFragmentInjector {
-    @Inject lateinit var fragmentDispatchingAndroidInjector: DispatchingAndroidInjector<Fragment>
-    @Inject lateinit var presenter: AuthenticationPresenter
+    @Inject
+    lateinit var fragmentDispatchingAndroidInjector: DispatchingAndroidInjector<Fragment>
+    @Inject
+    lateinit var presenter: AuthenticationPresenter
     val job = Job()
 
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -46,7 +48,7 @@ class AuthenticationActivity : AppCompatActivity(), HasSupportFragmentInjector {
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
         val currentFragment = supportFragmentManager.findFragmentById(R.id.fragment_container)
-        if (currentFragment!=null){
+        if (currentFragment != null) {
             currentFragment.onActivityResult(requestCode, resultCode, data)
         }
     }

app/src/main/java/chat/rocket/android/main/ui/MainActivity.kt

@@ -6,7 +6,6 @@ import android.os.Bundle
 import android.support.v4.app.Fragment
 import android.support.v7.app.AppCompatActivity
 import android.support.v7.widget.LinearLayoutManager
-import android.util.Log
 import android.view.Gravity
 import android.view.MenuItem
 import android.view.View
@@ -40,13 +39,8 @@ import kotlinx.coroutines.experimental.launch
 import timber.log.Timber
 import javax.inject.Inject
 
-class MainActivity : AppCompatActivity(), MainView, HasActivityInjector, HasSupportFragmentInjector, GoogleApiClient.ConnectionCallbacks {
-    override fun onConnected(p0: Bundle?) {
-    }
-
-    override fun onConnectionSuspended(p0: Int) {
-    }
-
+class MainActivity : AppCompatActivity(), MainView, HasActivityInjector, HasSupportFragmentInjector,
+    GoogleApiClient.ConnectionCallbacks {
     @Inject
     lateinit var activityDispatchingAndroidInjector: DispatchingAndroidInjector<Activity>
     @Inject
@@ -55,7 +49,7 @@ class MainActivity : AppCompatActivity(), MainView, HasActivityInjector, HasSupp
     lateinit var presenter: MainPresenter
     private var isFragmentAdded: Boolean = false
     private var expanded = false
-    private var googleApiClient: GoogleApiClient? = null
+    private lateinit var googleApiClient: GoogleApiClient
     private val headerLayout by lazy { view_navigation.getHeaderView(0) }
 
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -66,7 +60,11 @@ class MainActivity : AppCompatActivity(), MainView, HasActivityInjector, HasSupp
 
         launch(CommonPool) {
             try {
-                val token = InstanceID.getInstance(this@MainActivity).getToken(getString(R.string.gcm_sender_id), GoogleCloudMessaging.INSTANCE_ID_SCOPE, null)
+                val token = InstanceID.getInstance(this@MainActivity).getToken(
+                    getString(R.string.gcm_sender_id),
+                    GoogleCloudMessaging.INSTANCE_ID_SCOPE,
+                    null
+                )
                 Timber.d("GCM token: $token")
                 presenter.refreshToken(token)
             } catch (ex: Exception) {
@@ -80,10 +78,16 @@ class MainActivity : AppCompatActivity(), MainView, HasActivityInjector, HasSupp
         setupNavigationView()
     }
 
+    override fun onConnected(bundle: Bundle?) {
+    }
+
+    override fun onConnectionSuspended(errorCode: Int) {
+    }
+
     private fun buildGoogleApiClient() {
         googleApiClient = GoogleApiClient.Builder(this)
             .enableAutoManage(this, {
-                    Log.d("STATUS", "ERROR: connection to client failed")
+                Timber.d("ERROR: connection to client failed")
             })
             .addConnectionCallbacks(this)
             .addApi(Auth.CREDENTIALS_API)
@@ -92,16 +96,18 @@ class MainActivity : AppCompatActivity(), MainView, HasActivityInjector, HasSupp
 
     override fun onStart() {
         super.onStart()
-        if (googleApiClient!!.isConnected) {
-            Log.d("STATUS", "google api client connected successfully")
+        googleApiClient.let {
+            if (it.isConnected) {
+                Timber.d("Google api client connected successfully")
+            }
         }
     }
 
     override fun disableAutoSignIn() {
-        if (googleApiClient!!.isConnected) {
+        googleApiClient.let {
+            if (it.isConnected) {
                 Auth.CredentialsApi.disableAutoSignIn(googleApiClient)
-        } else {
-            Log.e("STATUS", "Failed to disable auto sign in")
+            }
         }
     }
 
@@ -158,7 +164,12 @@ class MainActivity : AppCompatActivity(), MainView, HasActivityInjector, HasSupp
 
     override fun alertNotRecommendedVersion() {
         AlertDialog.Builder(this)
-                .setMessage(getString(R.string.msg_ver_not_recommended, BuildConfig.RECOMMENDED_SERVER_VERSION))
+            .setMessage(
+                getString(
+                    R.string.msg_ver_not_recommended,
+                    BuildConfig.RECOMMENDED_SERVER_VERSION
+                )
+            )
             .setPositiveButton(R.string.msg_ok, null)
             .create()
             .show()
@@ -166,7 +177,12 @@ class MainActivity : AppCompatActivity(), MainView, HasActivityInjector, HasSupp
 
     override fun blockAndAlertNotRequiredVersion() {
         AlertDialog.Builder(this)
-                .setMessage(getString(R.string.msg_ver_not_minimum, BuildConfig.REQUIRED_SERVER_VERSION))
+            .setMessage(
+                getString(
+                    R.string.msg_ver_not_minimum,
+                    BuildConfig.REQUIRED_SERVER_VERSION
+                )
+            )
             .setOnDismissListener { presenter.logout() }
             .setPositiveButton(R.string.msg_ok, null)
             .create()
@@ -215,7 +231,8 @@ class MainActivity : AppCompatActivity(), MainView, HasActivityInjector, HasSupp
 
     override fun activityInjector(): AndroidInjector<Activity> = activityDispatchingAndroidInjector
 
-    override fun supportFragmentInjector(): AndroidInjector<Fragment> = fragmentDispatchingAndroidInjector
+    override fun supportFragmentInjector(): AndroidInjector<Fragment> =
+        fragmentDispatchingAndroidInjector
 
     private fun setupToolbar() {
         setSupportActionBar(toolbar)