Settings refactor (#166)

app/build.gradle

@@ -77,11 +77,11 @@ dependencies {
     implementation "androidx.legacy:legacy-support-v4:$androidx_version"
     implementation "androidx.appcompat:appcompat:$androidx_version"
     implementation "androidx.cardview:cardview:$androidx_version"
-    implementation "androidx.legacy:legacy-preference-v14:$androidx_version"
     implementation "com.google.android.material:material:$androidx_version"
     implementation 'androidx.multidex:multidex:2.0.0'
 
-    implementation "com.google.android.gms:play-services-oss-licenses:16.0.1"
+    implementation 'com.takisoft.preferencex:preferencex:1.0.0'
+    implementation "com.mikepenz:aboutlibraries:6.2.0"
     implementation "com.firebase:firebase-jobdispatcher:0.8.5"
 
     //Do not update dagger https://github.com/google/dagger/issues/1245

app/src/main/java/io/github/wulkanowy/data/repositories/PreferencesRepository.kt

@@ -0,0 +1,16 @@
+package io.github.wulkanowy.data.repositories
+
+import android.content.SharedPreferences
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class PreferencesRepository @Inject constructor(private val sharedPref: SharedPreferences) {
+
+    val startMenuIndex: Int
+        get() = sharedPref.getString("start_menu", "0")?.toInt() ?: 0
+
+    val showPresent: Boolean
+        get() = sharedPref.getBoolean("attendance_present", true)
+}
+

app/src/main/java/io/github/wulkanowy/ui/login/LoginActivity.kt

@@ -24,6 +24,9 @@ class LoginActivity : BaseActivity(), LoginView, LoginSwitchListener {
         fun getStartIntent(context: Context) = Intent(context, LoginActivity::class.java)
     }
 
+    override val currentViewIndex: Int
+        get() = loginViewpager.currentItem
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_login)
@@ -63,8 +66,6 @@ class LoginActivity : BaseActivity(), LoginView, LoginSwitchListener {
         (loginAdapter.getItem(index) as LoginOptionsFragment).loadData()
     }
 
-    override fun currentViewPosition() = loginViewpager.currentItem
-
     public override fun onDestroy() {
         presenter.onDetachView()
         super.onDestroy()

app/src/main/java/io/github/wulkanowy/ui/login/LoginPresenter.kt

@@ -25,7 +25,7 @@ class LoginPresenter @Inject constructor(errorHandler: ErrorHandler)
 
     fun onBackPressed(default: () -> Unit) {
         view?.run {
-            if (currentViewPosition() == 1) {
+            if (currentViewIndex == 1) {
                 switchView(0)
                 hideActionBar()
             } else default()

app/src/main/java/io/github/wulkanowy/ui/login/LoginView.kt

@@ -4,6 +4,8 @@ import io.github.wulkanowy.ui.base.BaseView
 
 interface LoginView : BaseView {
 
+    val currentViewIndex: Int
+
     fun initAdapter()
 
     fun loadOptionsView(index: Int)
@@ -11,6 +13,4 @@ interface LoginView : BaseView {
     fun switchView(position: Int)
 
     fun hideActionBar()
-
-    fun currentViewPosition(): Int
 }

app/src/main/java/io/github/wulkanowy/ui/main/MainActivity.kt

@@ -4,10 +4,11 @@ import android.content.Context
 import android.content.Intent
 import android.os.Bundle
 import androidx.core.content.ContextCompat
-import com.aurelhubert.ahbottomnavigation.AHBottomNavigation
+import androidx.fragment.app.Fragment
+import com.aurelhubert.ahbottomnavigation.AHBottomNavigation.TitleState.ALWAYS_SHOW
 import com.aurelhubert.ahbottomnavigation.AHBottomNavigationItem
 import com.ncapdevi.fragnav.FragNavController
-import com.ncapdevi.fragnav.FragNavController.Companion.DETACH_ON_NAVIGATE_HIDE_ON_SWITCH
+import com.ncapdevi.fragnav.FragNavController.Companion.HIDE
 import io.github.wulkanowy.R
 import io.github.wulkanowy.ui.base.BaseActivity
 import io.github.wulkanowy.ui.main.attendance.AttendanceFragment
@@ -15,7 +16,8 @@ import io.github.wulkanowy.ui.main.exam.ExamFragment
 import io.github.wulkanowy.ui.main.grade.GradeFragment
 import io.github.wulkanowy.ui.main.more.MoreFragment
 import io.github.wulkanowy.ui.main.timetable.TimetableFragment
-import io.github.wulkanowy.utils.setOnTabTransactionListener
+import io.github.wulkanowy.utils.safelyPopFragment
+import io.github.wulkanowy.utils.setOnViewChangeListener
 import kotlinx.android.synthetic.main.activity_main.*
 import javax.inject.Inject
 
@@ -28,11 +30,20 @@ class MainActivity : BaseActivity(), MainView {
     lateinit var navController: FragNavController
 
     companion object {
-        const val DEFAULT_TAB = 2
-
         fun getStartIntent(context: Context) = Intent(context, MainActivity::class.java)
     }
 
+    override val isRootView: Boolean
+        get() = navController.isRootFragment
+
+    override val currentViewTitle: String?
+        get() = (navController.currentFrag as? MainView.TitledView)?.titleStringId?.let { getString(it) }
+
+    override val currentStackSize: Int?
+        get() = navController.currentStack?.size
+
+    override var startMenuIndex = 0
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
@@ -40,12 +51,16 @@ class MainActivity : BaseActivity(), MainView {
         messageContainer = mainFragmentContainer
 
         presenter.onAttachView(this)
-        navController.initialize(DEFAULT_TAB, savedInstanceState)
+        navController.initialize(startMenuIndex, savedInstanceState)
     }
 
     override fun onStart() {
         super.onStart()
-        presenter.onStartView()
+        presenter.onViewStart()
+    }
+
+    override fun onSupportNavigateUp(): Boolean {
+        return presenter.onUpNavigate()
     }
 
     override fun initView() {
@@ -59,19 +74,18 @@ class MainActivity : BaseActivity(), MainView {
             ))
             accentColor = ContextCompat.getColor(context, R.color.colorPrimary)
             inactiveColor = ContextCompat.getColor(context, android.R.color.black)
-            titleState = AHBottomNavigation.TitleState.ALWAYS_SHOW
+            titleState = ALWAYS_SHOW
-            currentItem = DEFAULT_TAB
+            currentItem = startMenuIndex
             isBehaviorTranslationEnabled = false
             setTitleTextSizeInSp(10f, 10f)
-
             setOnTabSelectedListener { position, wasSelected ->
                 presenter.onTabSelected(position, wasSelected)
             }
         }
 
         navController.run {
-            setOnTabTransactionListener { presenter.onMenuViewChange(it) }
+            setOnViewChangeListener { presenter.onViewStart() }
-            fragmentHideStrategy = DETACH_ON_NAVIGATE_HIDE_ON_SWITCH
+            fragmentHideStrategy = HIDE
             rootFragments = listOf(
                     GradeFragment.newInstance(),
                     AttendanceFragment.newInstance(),
@@ -90,22 +104,24 @@ class MainActivity : BaseActivity(), MainView {
         supportActionBar?.title = title
     }
 
-    override fun viewTitle(index: Int): String {
+    override fun showHomeArrow(show: Boolean) {
-        return getString(listOf(R.string.grade_title,
+        supportActionBar?.setDisplayHomeAsUpEnabled(show)
-                R.string.attendance_title,
-                R.string.exam_title,
-                R.string.timetable_title,
-                R.string.more_title)[index])
     }
 
-    override fun currentMenuIndex() = navController.currentStackIndex
-
     override fun notifyMenuViewReselected() {
-        (navController.currentFrag as? MainView.MenuFragmentView)?.onFragmentReselected()
+        (navController.currentStack?.get(0) as? MainView.MainChildView)?.onFragmentReselected()
+    }
+
+    fun pushView(fragment: Fragment) {
+        navController.pushFragment(fragment)
+    }
+
+    override fun popView() {
+        navController.safelyPopFragment()
     }
 
     override fun onBackPressed() {
-        navController.apply { if (isRootFragment) super.onBackPressed() else popFragment() }
+        presenter.onBackPressed { super.onBackPressed() }
     }
 
     override fun onSaveInstanceState(outState: Bundle?) {

app/src/main/java/io/github/wulkanowy/ui/main/MainModule.kt

@@ -7,6 +7,8 @@ import dagger.android.ContributesAndroidInjector
 import io.github.wulkanowy.R
 import io.github.wulkanowy.di.scopes.PerActivity
 import io.github.wulkanowy.di.scopes.PerFragment
+import io.github.wulkanowy.ui.main.about.AboutFragment
+import io.github.wulkanowy.ui.main.about.AboutModule
 import io.github.wulkanowy.ui.main.attendance.AttendanceFragment
 import io.github.wulkanowy.ui.main.exam.ExamFragment
 import io.github.wulkanowy.ui.main.grade.GradeFragment
@@ -47,4 +49,8 @@ abstract class MainModule {
     @PerFragment
     @ContributesAndroidInjector
     abstract fun bindTimetableFragment(): TimetableFragment
+
+    @PerFragment
+    @ContributesAndroidInjector(modules = [AboutModule::class])
+    abstract fun bindAboutFragment(): AboutFragment
 }

app/src/main/java/io/github/wulkanowy/ui/main/MainPresenter.kt

@@ -1,23 +1,44 @@
 package io.github.wulkanowy.ui.main
 
 import io.github.wulkanowy.data.ErrorHandler
+import io.github.wulkanowy.data.repositories.PreferencesRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import javax.inject.Inject
 
-class MainPresenter @Inject constructor(errorHandler: ErrorHandler)
+class MainPresenter @Inject constructor(
+        errorHandler: ErrorHandler,
+        private val prefRepository: PreferencesRepository)
     : BasePresenter<MainView>(errorHandler) {
 
     override fun onAttachView(view: MainView) {
         super.onAttachView(view)
-        view.initView()
+        view.run {
+            startMenuIndex = prefRepository.startMenuIndex
+            initView()
+        }
     }
 
-    fun onStartView() {
+    fun onViewStart() {
-        view?.run { setViewTitle(viewTitle(currentMenuIndex())) }
+        view?.apply {
+            currentViewTitle?.let { setViewTitle(it) }
+            currentStackSize?.let {
+                if (it > 1) showHomeArrow(true)
+                else showHomeArrow(false)
+            }
+        }
     }
 
-    fun onMenuViewChange(index: Int) {
+    fun onUpNavigate(): Boolean {
-        view?.run { setViewTitle(viewTitle(index)) }
+        view?.popView()
+        return true
+    }
+
+
+    fun onBackPressed(default: () -> Unit) {
+        view?.run {
+            if (isRootView) default()
+            else popView()
+        }
     }
 
     fun onTabSelected(index: Int, wasSelected: Boolean): Boolean {

app/src/main/java/io/github/wulkanowy/ui/main/MainView.kt

@@ -4,20 +4,33 @@ import io.github.wulkanowy.ui.base.BaseView
 
 interface MainView : BaseView {
 
+    var startMenuIndex: Int
+
+    val isRootView: Boolean
+
+    val currentViewTitle: String?
+
+    val currentStackSize: Int?
+
     fun initView()
 
     fun switchMenuView(position: Int)
 
-    fun setViewTitle(title: String)
+    fun showHomeArrow(show: Boolean)
-
-    fun viewTitle(index: Int): String
-
-    fun currentMenuIndex(): Int
 
     fun notifyMenuViewReselected()
 
-    interface MenuFragmentView {
+    fun setViewTitle(title: String)
+
+    fun popView()
+
+    interface MainChildView {
 
         fun onFragmentReselected()
     }
+
+    interface TitledView {
+
+        val titleStringId: Int
+    }
 }

app/src/main/java/io/github/wulkanowy/ui/main/about/AboutFragment.kt

@@ -0,0 +1,68 @@
+package io.github.wulkanowy.ui.main.about
+
+import android.content.Intent
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import com.mikepenz.aboutlibraries.LibsBuilder
+import com.mikepenz.aboutlibraries.LibsFragmentCompat
+import io.github.wulkanowy.R
+import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.main.MainView
+import io.github.wulkanowy.utils.withOnExtraListener
+import javax.inject.Inject
+
+class AboutFragment : BaseFragment(), AboutView, MainView.TitledView {
+
+    @Inject
+    lateinit var presenter: AboutPresenter
+
+    @Inject
+    lateinit var fragmentCompat: LibsFragmentCompat
+
+    companion object {
+        fun newInstance() = AboutFragment()
+    }
+
+    override val titleStringId: Int
+        get() = R.string.about_title
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        presenter.onAttachView(this)
+        return Bundle().apply {
+            putSerializable("data", LibsBuilder()
+                    .withAboutAppName(getString(R.string.app_name))
+                    .withAboutVersionShown(true)
+                    .withAboutIconShown(true)
+                    .withLicenseShown(true)
+                    .withAboutSpecial1(getString(R.string.about_source_code))
+                    .withAboutSpecial2(getString(R.string.about_feedback))
+                    .withCheckCachedDetection(false)
+                    .withExcludedLibraries("fastadapter", "AndroidIconics", "gson",
+                            "Jsoup", "Retrofit", "okio", "OkHttp")
+                    .withOnExtraListener { presenter.onExtraSelect(it) })
+        }.let {
+            fragmentCompat.onCreateView(inflater.context, inflater, container, savedInstanceState, it)
+        }
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        fragmentCompat.onViewCreated(view, savedInstanceState)
+    }
+
+    override fun openSourceWebView() {
+        startActivity(Intent.parseUri("https://github.com/wulkanowy/wulkanowy", 0))
+    }
+
+    override fun openIssuesWebView() {
+        startActivity(Intent.parseUri("https://github.com/wulkanowy/wulkanowy/issues", 0))
+    }
+
+    override fun onDestroyView() {
+        fragmentCompat.onDestroyView()
+        presenter.onDetachView()
+        super.onDestroyView()
+    }
+}

app/src/main/java/io/github/wulkanowy/ui/main/about/AboutModule.kt

@@ -0,0 +1,15 @@
+package io.github.wulkanowy.ui.main.about
+
+import com.mikepenz.aboutlibraries.LibsFragmentCompat
+import dagger.Module
+import dagger.Provides
+import io.github.wulkanowy.di.scopes.PerFragment
+
+@Module
+class AboutModule {
+
+    @PerFragment
+    @Provides
+    fun provideLibsFragmentCompat() = LibsFragmentCompat()
+}
+

app/src/main/java/io/github/wulkanowy/ui/main/about/AboutPresenter.kt

@@ -0,0 +1,21 @@
+package io.github.wulkanowy.ui.main.about
+
+import com.mikepenz.aboutlibraries.Libs
+import com.mikepenz.aboutlibraries.Libs.SpecialButton.SPECIAL1
+import com.mikepenz.aboutlibraries.Libs.SpecialButton.SPECIAL2
+import io.github.wulkanowy.data.ErrorHandler
+import io.github.wulkanowy.ui.base.BasePresenter
+import javax.inject.Inject
+
+class AboutPresenter @Inject constructor(errorHandler: ErrorHandler) : BasePresenter<AboutView>(errorHandler) {
+
+    fun onExtraSelect(type: Libs.SpecialButton?) {
+        view?.run {
+            when (type) {
+                SPECIAL1 -> openSourceWebView()
+                SPECIAL2 -> openIssuesWebView()
+                else -> TODO()
+            }
+        }
+    }
+}

app/src/main/java/io/github/wulkanowy/ui/main/about/AboutView.kt

@@ -0,0 +1,10 @@
+package io.github.wulkanowy.ui.main.about
+
+import io.github.wulkanowy.ui.base.BaseView
+
+interface AboutView : BaseView {
+
+    fun openSourceWebView()
+
+    fun openIssuesWebView()
+}

app/src/main/java/io/github/wulkanowy/ui/main/attendance/AttendanceFragment.kt

@@ -15,7 +15,7 @@ import io.github.wulkanowy.utils.setOnItemClickListener
 import kotlinx.android.synthetic.main.fragment_attendance.*
 import javax.inject.Inject
 
-class AttendanceFragment : BaseFragment(), AttendanceView, MainView.MenuFragmentView {
+class AttendanceFragment : BaseFragment(), AttendanceView, MainView.MainChildView, MainView.TitledView {
 
     @Inject
     lateinit var presenter: AttendancePresenter
@@ -29,6 +29,12 @@ class AttendanceFragment : BaseFragment(), AttendanceView, MainView.MenuFragment
         fun newInstance() = AttendanceFragment()
     }
 
+    override val titleStringId: Int
+        get() = R.string.attendance_title
+
+    override val isViewEmpty: Boolean
+        get() = attendanceAdapter.isEmpty
+
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
         return inflater.inflate(R.layout.fragment_attendance, container, false)
     }
@@ -65,8 +71,6 @@ class AttendanceFragment : BaseFragment(), AttendanceView, MainView.MenuFragment
         attendanceAdapter.clear()
     }
 
-    override fun isViewEmpty() = attendanceAdapter.isEmpty
-
     override fun onFragmentReselected() {
         presenter.onViewReselected()
     }
@@ -109,4 +113,3 @@ class AttendanceFragment : BaseFragment(), AttendanceView, MainView.MenuFragment
         super.onDestroyView()
     }
 }
-

app/src/main/java/io/github/wulkanowy/ui/main/attendance/AttendancePresenter.kt

@@ -3,6 +3,7 @@ package io.github.wulkanowy.ui.main.attendance
 import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
 import io.github.wulkanowy.data.ErrorHandler
 import io.github.wulkanowy.data.repositories.AttendanceRepository
+import io.github.wulkanowy.data.repositories.PreferencesRepository
 import io.github.wulkanowy.data.repositories.SessionRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.utils.*
@@ -17,7 +18,8 @@ class AttendancePresenter @Inject constructor(
         private val errorHandler: ErrorHandler,
         private val schedulers: SchedulersManager,
         private val attendanceRepository: AttendanceRepository,
-        private val sessionRepository: SessionRepository
+        private val sessionRepository: SessionRepository,
+        private val prefRepository: PreferencesRepository
 ) : BasePresenter<AttendanceView>(errorHandler) {
 
     lateinit var currentDate: LocalDate
@@ -61,6 +63,10 @@ class AttendancePresenter @Inject constructor(
                     .delay(200, MILLISECONDS)
                     .map { it.single { semester -> semester.current } }
                     .flatMap { attendanceRepository.getAttendance(it, date, date, forceRefresh) }
+                    .map { list ->
+                        if (prefRepository.showPresent) list
+                        else list.filter { !it.presence }
+                    }
                     .map { items -> items.map { AttendanceItem(it) } }
                     .subscribeOn(schedulers.backgroundThread())
                     .observeOn(schedulers.mainThread())
@@ -77,7 +83,7 @@ class AttendancePresenter @Inject constructor(
                             showContent(it.isNotEmpty())
                         }
                     }) {
-                        view?.run { showEmpty(isViewEmpty()) }
+                        view?.run { showEmpty(isViewEmpty) }
                         errorHandler.proceed(it)
                     }
             )

app/src/main/java/io/github/wulkanowy/ui/main/attendance/AttendanceView.kt

@@ -5,6 +5,8 @@ import io.github.wulkanowy.ui.base.BaseView
 
 interface AttendanceView : BaseView {
 
+    val isViewEmpty: Boolean
+
     fun initView()
 
     fun updateData(data: List<AttendanceItem>)
@@ -13,8 +15,6 @@ interface AttendanceView : BaseView {
 
     fun clearData()
 
-    fun isViewEmpty(): Boolean
-
     fun hideRefresh()
 
     fun showEmpty(show: Boolean)

app/src/main/java/io/github/wulkanowy/ui/main/exam/ExamFragment.kt

@@ -16,7 +16,7 @@ import io.github.wulkanowy.utils.setOnItemClickListener
 import kotlinx.android.synthetic.main.fragment_exam.*
 import javax.inject.Inject
 
-class ExamFragment : BaseFragment(), ExamView, MainView.MenuFragmentView {
+class ExamFragment : BaseFragment(), ExamView, MainView.MainChildView, MainView.TitledView {
 
     @Inject
     lateinit var presenter: ExamPresenter
@@ -26,9 +26,16 @@ class ExamFragment : BaseFragment(), ExamView, MainView.MenuFragmentView {
 
     companion object {
         private const val SAVED_DATE_KEY = "CURRENT_DATE"
+
         fun newInstance() = ExamFragment()
     }
 
+    override val titleStringId: Int
+        get() = R.string.exam_title
+
+    override val isViewEmpty: Boolean
+        get() = examAdapter.isEmpty
+
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
         return inflater.inflate(R.layout.fragment_exam, container, false)
     }
@@ -68,8 +75,6 @@ class ExamFragment : BaseFragment(), ExamView, MainView.MenuFragmentView {
         examAdapter.clear()
     }
 
-    override fun isViewEmpty() = examAdapter.isEmpty
-
     override fun onFragmentReselected() {
         presenter.onViewReselected()
     }

app/src/main/java/io/github/wulkanowy/ui/main/exam/ExamPresenter.kt

@@ -80,7 +80,7 @@ class ExamPresenter @Inject constructor(
                             showContent(it.isNotEmpty())
                         }
                     }) {
-                        view?.run { showEmpty(isViewEmpty()) }
+                        view?.run { showEmpty(isViewEmpty) }
                         errorHandler.proceed(it)
                     })
         }

app/src/main/java/io/github/wulkanowy/ui/main/exam/ExamView.kt

@@ -5,6 +5,8 @@ import io.github.wulkanowy.ui.base.BaseView
 
 interface ExamView : BaseView {
 
+    val isViewEmpty: Boolean
+
     fun initView()
 
     fun updateData(data: List<ExamItem>)
@@ -13,8 +15,6 @@ interface ExamView : BaseView {
 
     fun clearData()
 
-    fun isViewEmpty(): Boolean
-
     fun hideRefresh()
 
     fun showEmpty(show: Boolean)

app/src/main/java/io/github/wulkanowy/ui/main/grade/GradeFragment.kt

@@ -15,7 +15,7 @@ import io.github.wulkanowy.utils.setOnSelectPageListener
 import kotlinx.android.synthetic.main.fragment_grade.*
 import javax.inject.Inject
 
-class GradeFragment : BaseFragment(), GradeView, MainView.MenuFragmentView {
+class GradeFragment : BaseFragment(), GradeView, MainView.MainChildView, MainView.TitledView {
 
     @Inject
     lateinit var presenter: GradePresenter
@@ -29,6 +29,12 @@ class GradeFragment : BaseFragment(), GradeView, MainView.MenuFragmentView {
         fun newInstance() = GradeFragment()
     }
 
+    override val titleStringId: Int
+        get() = R.string.grade_title
+
+    override val currentPageIndex: Int
+        get() = gradeViewPager.currentItem
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setHasOptionsMenu(true)
@@ -93,8 +99,6 @@ class GradeFragment : BaseFragment(), GradeView, MainView.MenuFragmentView {
         }
     }
 
-    override fun currentPageIndex() = gradeViewPager.currentItem
-
     fun onChildRefresh() {
         presenter.onChildViewRefresh()
     }

app/src/main/java/io/github/wulkanowy/ui/main/grade/GradePresenter.kt

@@ -32,7 +32,7 @@ class GradePresenter @Inject constructor(
     }
 
     fun onViewReselected() {
-        view?.run { notifyChildParentReselected(currentPageIndex()) }
+        view?.run { notifyChildParentReselected(currentPageIndex) }
     }
 
     fun onSemesterSwitch(): Boolean {
@@ -46,20 +46,20 @@ class GradePresenter @Inject constructor(
             loadedSemesterId.clear()
             view?.let {
                 notifyChildrenSemesterChange()
-                loadChild(it.currentPageIndex())
+                loadChild(it.currentPageIndex)
             }
         }
     }
 
     fun onChildViewRefresh() {
-        view?.let { loadChild(it.currentPageIndex(), forceRefresh = true) }
+        view?.let { loadChild(it.currentPageIndex, forceRefresh = true) }
     }
 
     fun onChildViewLoaded(semesterId: Int) {
         view?.apply {
             showContent(true)
             showProgress(false)
-            loadedSemesterId[currentPageIndex()] = semesterId
+            loadedSemesterId[currentPageIndex] = semesterId
         }
     }
 
@@ -78,7 +78,7 @@ class GradePresenter @Inject constructor(
                 .subscribeOn(schedulers.backgroundThread())
                 .observeOn(schedulers.mainThread())
                 .subscribe({ _ ->
-                    view?.let { loadChild(it.currentPageIndex()) }
+                    view?.let { loadChild(it.currentPageIndex) }
                 }) { errorHandler.proceed(it) })
     }
 

app/src/main/java/io/github/wulkanowy/ui/main/grade/GradeView.kt

@@ -4,9 +4,9 @@ import io.github.wulkanowy.ui.base.BaseView
 
 interface GradeView : BaseView {
 
-    fun initView()
+    val currentPageIndex: Int
 
-    fun currentPageIndex(): Int
+    fun initView()
 
     fun showContent(show: Boolean)
 

app/src/main/java/io/github/wulkanowy/ui/main/grade/details/GradeDetailsFragment.kt

@@ -31,6 +31,18 @@ class GradeDetailsFragment : BaseFragment(), GradeDetailsView, GradeView.GradeCh
         fun newInstance() = GradeDetailsFragment()
     }
 
+    override val emptyAverageString: String
+        get() = getString(R.string.grade_no_average)
+
+    override val averageString: String
+        get() = getString(R.string.grade_average)
+
+    override val weightString: String
+        get() = getString(R.string.grade_weight)
+
+    override val isViewEmpty
+        get() = gradeDetailsAdapter.isEmpty
+
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
         return inflater.inflate(R.layout.fragment_grade_details, container, false)
     }
@@ -80,7 +92,9 @@ class GradeDetailsFragment : BaseFragment(), GradeDetailsView, GradeView.GradeCh
         return gradeDetailsAdapter.getExpandableOf(item)
     }
 
-    override fun isViewEmpty() = gradeDetailsAdapter.isEmpty
+    override fun getGradeNumberString(number: Int): String {
+        return resources.getQuantityString(R.plurals.grade_number_item, number, number)
+    }
 
     override fun showProgress(show: Boolean) {
         gradeDetailsProgress.visibility = if (show) VISIBLE else GONE
@@ -122,14 +136,6 @@ class GradeDetailsFragment : BaseFragment(), GradeDetailsView, GradeView.GradeCh
         (parentFragment as? GradeFragment)?.onChildRefresh()
     }
 
-    override fun emptyAverageString(): String = getString(R.string.grade_no_average)
-
-    override fun averageString(): String = getString(R.string.grade_average)
-
-    override fun gradeNumberString(number: Int): String = resources.getQuantityString(R.plurals.grade_number_item, number, number)
-
-    override fun weightString(): String = getString(R.string.grade_weight)
-
     override fun onDestroyView() {
         super.onDestroyView()
         presenter.onDetachView()

app/src/main/java/io/github/wulkanowy/ui/main/grade/details/GradeDetailsPresenter.kt

@@ -42,7 +42,7 @@ class GradeDetailsPresenter @Inject constructor(
                         updateData(it)
                     }
                 }) {
-                    view?.run { showEmpty(isViewEmpty()) }
+                    view?.run { showEmpty(isViewEmpty) }
                     errorHandler.proceed(it)
                 })
     }
@@ -72,7 +72,7 @@ class GradeDetailsPresenter @Inject constructor(
 
     fun onParentViewReselected() {
         view?.run {
-            if (!isViewEmpty()) resetView()
+            if (!isViewEmpty) resetView()
         }
     }
 
@@ -93,13 +93,13 @@ class GradeDetailsPresenter @Inject constructor(
                 GradeDetailsHeader(
                         subject = it.key,
                         average = formatAverage(average),
-                        number = view?.gradeNumberString(it.value.size).orEmpty(),
+                        number = view?.getGradeNumberString(it.value.size).orEmpty(),
                         newGrades = it.value.filter { grade -> grade.isNew }.size
                 ).apply {
                     subItems = it.value.map { item ->
                         GradeDetailsItem(
                                 grade = item,
-                                weightString = view?.weightString().orEmpty(),
+                                weightString = view?.weightString.orEmpty(),
                                 valueColor = item.valueColor
                         )
                     }
@@ -110,8 +110,8 @@ class GradeDetailsPresenter @Inject constructor(
 
     private fun formatAverage(average: Double): String {
         return view?.run {
-            if (average == 0.0) emptyAverageString()
+            if (average == 0.0) emptyAverageString
-            else averageString().format(average)
+            else averageString.format(average)
         }.orEmpty()
     }
 

app/src/main/java/io/github/wulkanowy/ui/main/grade/details/GradeDetailsView.kt

@@ -8,20 +8,24 @@ import io.github.wulkanowy.ui.base.BaseView
 
 interface GradeDetailsView : BaseView {
 
+    val isViewEmpty: Boolean
+
+    val emptyAverageString: String
+
+    val averageString: String
+
+    val weightString: String
+
     fun initView()
 
     fun updateData(data: List<GradeDetailsHeader>)
 
     fun updateItem(item: AbstractFlexibleItem<*>)
 
-    fun getHeaderOfItem(item: AbstractFlexibleItem<*>): IExpandable<*, out IFlexible<*>>?
-
     fun resetView()
 
     fun clearView()
 
-    fun isViewEmpty(): Boolean
-
     fun showGradeDialog(grade: Grade)
 
     fun showContent(show: Boolean)
@@ -32,15 +36,11 @@ interface GradeDetailsView : BaseView {
 
     fun showRefresh(show: Boolean)
 
-    fun emptyAverageString(): String
-
-    fun averageString(): String
-
-    fun gradeNumberString(number: Int): String
-
-    fun weightString(): String
-
     fun notifyParentDataLoaded(semesterId: Int)
 
     fun notifyParentRefresh()
+
+    fun getGradeNumberString(number: Int): String
+
+    fun getHeaderOfItem(item: AbstractFlexibleItem<*>): IExpandable<*, out IFlexible<*>>?
 }

app/src/main/java/io/github/wulkanowy/ui/main/grade/summary/GradeSummaryFragment.kt

@@ -27,6 +27,15 @@ class GradeSummaryFragment : BaseFragment(), GradeSummaryView, GradeView.GradeCh
         fun newInstance() = GradeSummaryFragment()
     }
 
+    override val isViewEmpty
+        get() = gradeSummaryAdapter.isEmpty
+
+    override val predictedString
+        get() = getString(R.string.grade_summary_predicted_grade)
+
+    override val finalString
+        get() = getString(R.string.grade_summary_final_grade)
+
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
         return inflater.inflate(R.layout.fragment_grade_summary, container, false)
     }
@@ -63,8 +72,6 @@ class GradeSummaryFragment : BaseFragment(), GradeSummaryView, GradeView.GradeCh
         gradeSummaryAdapter.smoothScrollToPosition(0)
     }
 
-    override fun isViewEmpty() = gradeSummaryAdapter.isEmpty
-
     override fun showContent(show: Boolean) {
         gradeSummaryRecycler.visibility = if (show) VISIBLE else INVISIBLE
     }
@@ -101,10 +108,6 @@ class GradeSummaryFragment : BaseFragment(), GradeSummaryView, GradeView.GradeCh
         (parentFragment as? GradeFragment)?.onChildRefresh()
     }
 
-    override fun predictedString() = getString(R.string.grade_summary_predicted_grade)
-
-    override fun finalString() = getString(R.string.grade_summary_final_grade)
-
     override fun onDestroyView() {
         super.onDestroyView()
         presenter.onDetachView()

app/src/main/java/io/github/wulkanowy/ui/main/grade/summary/GradeSummaryPresenter.kt

@@ -61,7 +61,7 @@ class GradeSummaryPresenter @Inject constructor(
                         updateDataSet(it.first, it.second)
                     }
                 }) {
-                    view?.run { showEmpty(isViewEmpty()) }
+                    view?.run { showEmpty(isViewEmpty) }
                     errorHandler.proceed(it)
                 })
     }
@@ -72,7 +72,7 @@ class GradeSummaryPresenter @Inject constructor(
 
     fun onParentViewReselected() {
         view?.run {
-            if (!isViewEmpty()) resetView()
+            if (!isViewEmpty) resetView()
         }
     }
 
@@ -97,11 +97,11 @@ class GradeSummaryPresenter @Inject constructor(
                     ).let {
                         listOf(GradeSummaryItem(
                                 header = it,
-                                title = view?.predictedString().orEmpty(),
+                                title = view?.predictedString.orEmpty(),
                                 grade = gradeSummary.predictedGrade
                         ), GradeSummaryItem(
                                 header = it,
-                                title = view?.finalString().orEmpty(),
+                                title = view?.finalString.orEmpty(),
                                 grade = gradeSummary.finalGrade
                         ))
                     }

app/src/main/java/io/github/wulkanowy/ui/main/grade/summary/GradeSummaryView.kt

@@ -4,6 +4,12 @@ import io.github.wulkanowy.ui.base.BaseView
 
 interface GradeSummaryView : BaseView {
 
+    val isViewEmpty: Boolean
+
+    val predictedString: String
+
+    val finalString: String
+
     fun initView()
 
     fun updateDataSet(data: List<GradeSummaryItem>, header: GradeSummaryScrollableHeader)
@@ -12,8 +18,6 @@ interface GradeSummaryView : BaseView {
 
     fun clearView()
 
-    fun isViewEmpty(): Boolean
-
     fun showProgress(show: Boolean)
 
     fun showRefresh(show: Boolean)
@@ -22,10 +26,6 @@ interface GradeSummaryView : BaseView {
 
     fun showEmpty(show: Boolean)
 
-    fun predictedString(): String
-
-    fun finalString(): String
-
     fun notifyParentDataLoaded(semesterId: Int)
 
     fun notifyParentRefresh()

app/src/main/java/io/github/wulkanowy/ui/main/more/MoreFragment.kt

@@ -1,20 +1,95 @@
 package io.github.wulkanowy.ui.main.more
 
+import android.graphics.drawable.Drawable
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.core.content.ContextCompat
+import eu.davidea.flexibleadapter.FlexibleAdapter
+import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager
+import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
 import io.github.wulkanowy.R
 import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.main.MainActivity
+import io.github.wulkanowy.ui.main.MainView
+import io.github.wulkanowy.ui.main.about.AboutFragment
+import io.github.wulkanowy.ui.main.settings.SettingsFragment
+import io.github.wulkanowy.utils.setOnItemClickListener
+import kotlinx.android.synthetic.main.fragment_more.*
+import javax.inject.Inject
 
-class MoreFragment : BaseFragment() {
+class MoreFragment : BaseFragment(), MoreView, MainView.TitledView, MainView.MainChildView {
+
+    @Inject
+    lateinit var presenter: MorePresenter
+
+    @Inject
+    lateinit var moreAdapter: FlexibleAdapter<AbstractFlexibleItem<*>>
 
     companion object {
         fun newInstance() = MoreFragment()
     }
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+    override val titleStringId: Int
-        return inflater.inflate(R.layout.fragment_attendance, container, false)
+        get() = R.string.more_title
+
+    override val settingsRes: Pair<String, Drawable?>?
+        get() {
+            return context?.run {
+                getString(R.string.settings_title) to
+                        ContextCompat.getDrawable(this, R.drawable.ic_more_settings_24dp)
             }
         }
 
+    override val aboutRes: Pair<String, Drawable?>?
+        get() {
+            return context?.run {
+                getString(R.string.about_title) to
+                        ContextCompat.getDrawable(this, R.drawable.ic_more_about_24dp)
+            }
+        }
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        return inflater.inflate(R.layout.fragment_more, container, false)
+    }
+
+    override fun onActivityCreated(savedInstanceState: Bundle?) {
+        super.onActivityCreated(savedInstanceState)
+        presenter.onAttachView(this)
+    }
+
+    override fun initView() {
+        moreAdapter.run { setOnItemClickListener { presenter.onItemSelected(getItem(it)) } }
+
+        moreRecycler.apply {
+            layoutManager = SmoothScrollLinearLayoutManager(context)
+            adapter = moreAdapter
+        }
+    }
+
+    override fun onFragmentReselected() {
+        presenter.onViewReselected()
+    }
+
+    override fun updateData(data: List<MoreItem>) {
+        moreAdapter.updateDataSet(data)
+    }
+
+    override fun openSettingsView() {
+        (activity as? MainActivity)?.pushView(SettingsFragment.newInstance())
+    }
+
+    override fun openAboutView() {
+        (activity as? MainActivity)?.pushView(AboutFragment.newInstance())
+    }
+
+    override fun popView() {
+        (activity as? MainActivity)?.popView()
+    }
+
+    override fun onDestroyView() {
+        presenter.onDetachView()
+        super.onDestroyView()
+    }
+}

app/src/main/java/io/github/wulkanowy/ui/main/more/MoreItem.kt

@@ -0,0 +1,51 @@
+package io.github.wulkanowy.ui.main.more
+
+import android.graphics.drawable.Drawable
+import android.view.View
+import eu.davidea.flexibleadapter.FlexibleAdapter
+import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import eu.davidea.flexibleadapter.items.IFlexible
+import eu.davidea.viewholders.FlexibleViewHolder
+import io.github.wulkanowy.R
+import kotlinx.android.extensions.LayoutContainer
+import kotlinx.android.synthetic.main.item_more.*
+
+class MoreItem(val title: String, private val drawable: Drawable?)
+    : AbstractFlexibleItem<MoreItem.ViewHolder>() {
+
+    override fun getLayoutRes() = R.layout.item_more
+
+    override fun createViewHolder(view: View?, adapter: FlexibleAdapter<IFlexible<*>>?): ViewHolder {
+        return ViewHolder(view, adapter)
+    }
+
+    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>?, holder: ViewHolder?,
+                                position: Int, payloads: MutableList<Any>?) {
+        holder?.apply {
+            moreItemTitle.text = title
+            moreItemImage.setImageDrawable(drawable)
+        }
+    }
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+
+        other as MoreItem
+
+        if (title != other.title) return false
+
+        return true
+    }
+
+    override fun hashCode(): Int {
+        return title.hashCode()
+    }
+
+    class ViewHolder(view: View?, adapter: FlexibleAdapter<*>?)
+        : FlexibleViewHolder(view, adapter), LayoutContainer {
+
+        override val containerView: View?
+            get() = contentView
+    }
+}

app/src/main/java/io/github/wulkanowy/ui/main/more/MorePresenter.kt

@@ -0,0 +1,39 @@
+package io.github.wulkanowy.ui.main.more
+
+import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import io.github.wulkanowy.data.ErrorHandler
+import io.github.wulkanowy.ui.base.BasePresenter
+import javax.inject.Inject
+
+class MorePresenter @Inject constructor(errorHandler: ErrorHandler)
+    : BasePresenter<MoreView>(errorHandler) {
+
+    override fun onAttachView(view: MoreView) {
+        super.onAttachView(view)
+        view.initView()
+        loadData()
+    }
+
+    fun onItemSelected(item: AbstractFlexibleItem<*>?) {
+        if (item is MoreItem) {
+            view?.run {
+                when (item.title) {
+                    settingsRes?.first -> openSettingsView()
+                    aboutRes?.first -> openAboutView()
+                }
+            }
+        }
+    }
+
+    fun onViewReselected() {
+        view?.popView()
+    }
+
+    private fun loadData() {
+        view?.run {
+            updateData(listOfNotNull(
+                    settingsRes?.let { MoreItem(it.first, it.second) },
+                    aboutRes?.let { MoreItem(it.first, it.second) }))
+        }
+    }
+}

app/src/main/java/io/github/wulkanowy/ui/main/more/MoreView.kt

@@ -0,0 +1,21 @@
+package io.github.wulkanowy.ui.main.more
+
+import android.graphics.drawable.Drawable
+import io.github.wulkanowy.ui.base.BaseView
+
+interface MoreView : BaseView {
+
+    val settingsRes: Pair<String, Drawable?>?
+
+    val aboutRes: Pair<String, Drawable?>?
+
+    fun initView()
+
+    fun updateData(data: List<MoreItem>)
+
+    fun openSettingsView()
+
+    fun openAboutView()
+
+    fun popView()
+}

app/src/main/java/io/github/wulkanowy/ui/main/settings/SettingsFragment.kt

@@ -0,0 +1,20 @@
+package io.github.wulkanowy.ui.main.settings
+
+import android.os.Bundle
+import com.takisoft.preferencex.PreferenceFragmentCompat
+import io.github.wulkanowy.R
+import io.github.wulkanowy.ui.main.MainView
+
+class SettingsFragment : PreferenceFragmentCompat(), MainView.TitledView {
+
+    companion object {
+        fun newInstance() = SettingsFragment()
+    }
+
+    override val titleStringId: Int
+        get() = R.string.settings_title
+
+    override fun onCreatePreferencesFix(savedInstanceState: Bundle?, rootKey: String?) {
+        addPreferencesFromResource(R.xml.scheme_preferences)
+    }
+}

app/src/main/java/io/github/wulkanowy/ui/main/timetable/TimetableFragment.kt

@@ -15,7 +15,7 @@ import io.github.wulkanowy.utils.setOnItemClickListener
 import kotlinx.android.synthetic.main.fragment_timetable.*
 import javax.inject.Inject
 
-class TimetableFragment : BaseFragment(), TimetableView, MainView.MenuFragmentView {
+class TimetableFragment : BaseFragment(), TimetableView, MainView.MainChildView, MainView.TitledView {
 
     @Inject
     lateinit var presenter: TimetablePresenter
@@ -29,6 +29,12 @@ class TimetableFragment : BaseFragment(), TimetableView, MainView.MenuFragmentVi
         fun newInstance() = TimetableFragment()
     }
 
+    override val titleStringId: Int
+        get() = R.string.timetable_title
+
+    override val roomString: String
+        get() = getString(R.string.timetable_room)
+
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
         return inflater.inflate(R.layout.fragment_timetable, container, false)
     }
@@ -99,8 +105,6 @@ class TimetableFragment : BaseFragment(), TimetableView, MainView.MenuFragmentVi
         TimetableDialog.newInstance(lesson).show(fragmentManager, lesson.toString())
     }
 
-    override fun roomString() = getString(R.string.timetable_room)
-
     override fun onSaveInstanceState(outState: Bundle) {
         super.onSaveInstanceState(outState)
         outState.putLong(SAVED_DATE_KEY, presenter.currentDate.toEpochDay())

app/src/main/java/io/github/wulkanowy/ui/main/timetable/TimetablePresenter.kt

@@ -61,7 +61,7 @@ class TimetablePresenter @Inject constructor(
                     .delay(200, MILLISECONDS)
                     .map { it.single { semester -> semester.current } }
                     .flatMap { timetableRepository.getTimetable(it, currentDate, currentDate, forceRefresh) }
-                    .map { items -> items.map { TimetableItem(it, view?.roomString().orEmpty()) } }
+                    .map { items -> items.map { TimetableItem(it, view?.roomString.orEmpty()) } }
                     .subscribeOn(schedulers.backgroundThread())
                     .observeOn(schedulers.mainThread())
                     .doFinally {

app/src/main/java/io/github/wulkanowy/ui/main/timetable/TimetableView.kt

@@ -5,6 +5,8 @@ import io.github.wulkanowy.ui.base.BaseView
 
 interface TimetableView : BaseView {
 
+    val roomString: String
+
     fun initView()
 
     fun updateData(data: List<TimetableItem>)
@@ -28,6 +30,4 @@ interface TimetableView : BaseView {
     fun showNextButton(show: Boolean)
 
     fun showTimetableDialog(lesson: Timetable)
-
-    fun roomString(): String
 }

app/src/main/java/io/github/wulkanowy/utils/FragNavControlerExtension.kt

@@ -3,11 +3,18 @@ package io.github.wulkanowy.utils
 import androidx.fragment.app.Fragment
 import com.ncapdevi.fragnav.FragNavController
 
-inline fun FragNavController.setOnTabTransactionListener(crossinline listener: (index: Int) -> Unit) {
+inline fun FragNavController.setOnViewChangeListener(crossinline listener: (fragment: Fragment?) -> Unit) {
     transactionListener = object : FragNavController.TransactionListener {
-        override fun onFragmentTransaction(fragment: Fragment?, transactionType: FragNavController.TransactionType) {}
+        override fun onFragmentTransaction(fragment: Fragment?, transactionType: FragNavController.TransactionType) {
+            listener(fragment)
+        }
+
         override fun onTabTransaction(fragment: Fragment?, index: Int) {
-            listener(index)
+            listener(fragment)
         }
     }
 }
+
+fun FragNavController.safelyPopFragment() {
+    if (!isRootFragment) popFragment()
+}

app/src/main/java/io/github/wulkanowy/utils/LibsBuiderExtension.kt

@@ -0,0 +1,16 @@
+package io.github.wulkanowy.utils
+
+import android.view.View
+import com.mikepenz.aboutlibraries.Libs
+import com.mikepenz.aboutlibraries.LibsBuilder
+import com.mikepenz.aboutlibraries.LibsConfiguration
+
+inline fun LibsBuilder.withOnExtraListener(crossinline listener: (Libs.SpecialButton?) -> Unit): LibsBuilder {
+    withListener(object : LibsConfiguration.LibsListenerImpl() {
+        override fun onExtraClicked(v: View?, specialButton: Libs.SpecialButton?): Boolean {
+            listener(specialButton)
+            return true
+        }
+    })
+    return this
+}

app/src/main/res/drawable/ic_more_about_24dp.xml

@@ -4,10 +4,10 @@
     android:viewportHeight="24"
     android:viewportWidth="24">
     <path
-        android:fillColor="#FFF"
+        android:fillColor="#000"
         android:pathData="M11,7h2v2h-2zM11,11h2v6h-2z" />
     <path
-        android:fillColor="#FFF"
+        android:fillColor="#000"
         android:pathData="M12,2a10,10 0,1 0,0 20,10 10,0 0,0 0,-20zM12,20a8,8 0,1 1,0 -16,8 8,0 0,1
             0,16z" />
 </vector>

app/src/main/res/drawable/ic_more_settings_24dp.xml

@@ -0,0 +1,16 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:fillColor="#000"
+        android:pathData="M19.43 12.98a7.8 7.8 0 0 0 0-1.96l2.11-1.65a0.5 0.5 0 0 0
+        0.12-0.64l-2-3.46c-0.12-0.22-0.39-0.3-0.61-0.22l-2.49 1a7.3 7.3 0 0 0-1.69-0.98l-0.38-2.65A0.49
+        0.49 0 0 0 14 2h-4a0.49 0.49 0 0 0-0.49 0.42l-0.38 2.65c-0.61 0.25-1.17 0.59-1.69 0.98l
+        -2.49-1a 0.49 0.49 0 0 0-0.61 0.22l-2 3.46a0.5 0.5 0 0 0 0.12 0.64l2.11 1.65a7.93 7.93
+        0 0 0 0 1.96l-2.11 1.65a0.5 0.5 0 0 0-0.12 0.64l2 3.46c0.12 0.22 0.39 0.3 0.61 0.22l2.49-1c0.52
+        0.4 1.08 0.73 1.69 0.98l 0.38 2.65c 0.03 0.24 0.24 0.42 0.49 0.42h4c0.25 0 0.46-0.18 0.49-0.42l
+        0.38-2.65a7.68 7.68 0 0 0 1.69-0.98l2.49 1c0.23 0.09 0.49 0 0.61-0.22l2-3.46a0.5 0.5
+        0 0 0-0.12-0.64l-2.11-1.65zM12 15.5a3.5 3.5 0 1 1 0-7 3.5 3.5 0 0 1 0 7z" />
+</vector>

app/src/main/res/layout/activity_main.xml

@@ -9,6 +9,7 @@
         android:id="@+id/mainAppBarContainer"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
+        android:theme="@style/WulkanowyTheme.ActionBar"
         app:elevation="0dp">
 
         <androidx.appcompat.widget.Toolbar

app/src/main/res/layout/fragment_more.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/moreRecycler"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+</FrameLayout>

app/src/main/res/layout/item_more.xml

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout 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="56dp"
+    android:background="?attr/selectableItemBackground"
+    android:orientation="horizontal"
+    android:paddingLeft="16dp"
+    android:paddingTop="8dp"
+    android:paddingRight="16dp"
+    android:paddingBottom="8dp">
+
+    <androidx.appcompat.widget.AppCompatImageView
+        android:id="@+id/moreItemImage"
+        android:layout_width="24dp"
+        android:layout_height="24dp"
+        android:layout_gravity="center_vertical"
+        app:srcCompat="@drawable/ic_more_settings_24dp" />
+
+    <androidx.appcompat.widget.AppCompatTextView
+        android:id="@+id/moreItemTitle"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_vertical"
+        android:layout_marginStart="32dp"
+        android:layout_marginLeft="32dp"
+        android:text="@string/app_name"
+        android:textSize="16sp" />
+
+</LinearLayout>

app/src/main/res/values-pl/strings.xml

@@ -10,6 +10,7 @@
     <string name="timetable_title">Plan lekcji</string>
     <string name="settings_title">Ustawienia</string>
     <string name="more_title">Więcej</string>
+    <string name="about_title">O aplikacji</string>
 
 
     <!--Login form-->
@@ -92,6 +93,9 @@
     <string name="exam_type">Typ</string>
     <string name="exam_entry_date">Data wpisu</string>
 
+    <!--About-->
+    <string name="about_source_code">Kod źródłowy</string>
+    <string name="about_feedback">Zgłoś błąd</string>
 
     <!--Generic-->
     <string name="all_description">Opis</string>
@@ -130,22 +134,11 @@
     <string name="pref_services_interval">Interwał aktualizacji</string>
     <string name="pref_services_wifi">Tylko WiFi</string>
 
-    <string name="pref_about_description">Informacje o Wulkanowym</string>
-    <string name="pref_about_version">Wersja</string>
-    <string name="pref_about_osl">Licencje open source</string>
-    <string name="pref_about_osl_summary">Szczegóły licencji na oprogramowanie open source</string>
-    <string name="pref_about_support">Kod źródłowy i feedback</string>
-
-    <string name="about_programmer_step1">Nie, nie zostaniesz programistą!</string>
-    <string name="about_programmer_step2">Musisz bardziej się postarać!</string>
-    <string name="about_programmer_step3">Kliknij jeszcze parę razy</string>
-    <string name="about_programmer_description">Odwiedź zakładkę Kod źródłowy i pokaż jaki z ciebie programista!</string>
-
     <string name="pref_restart">Wymagany restart</string>
 
 
     <!--Grade notify-->
-    <string name="notify_grade_chanell">Nowe oceny</string>
+    <string name="notify_grade_chanel">Nowe oceny</string>
     <plurals name="notify_grade_new_items">
         <item quantity="one">Dostałeś %1$d ocenę</item>
         <item quantity="few">"Dostałeś %1$d oceny</item>

app/src/main/res/values/library_wulkanowy_api.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="define_WulkanowyApi" translatable="false" />
+
+    <string name="library_WulkanowyApi_author" translatable="false">Wulkanowy</string>
+    <string name="library_WulkanowyApi_authorWebsite" translatable="false">https://github.com/wulkanowy</string>
+
+    <string name="library_WulkanowyApi_libraryName" translatable="false">UONET+ Scraping API</string>
+    <string name="library_WulkanowyApi_libraryDescription" translatable="false">The  UONET+ client using web scraping</string>
+    <string name="library_WulkanowyApi_libraryWebsite" translatable="false">https://github.com/wulkanowy/api</string>
+    <string name="library_WulkanowyApi_libraryVersion" translatable="false">Development</string>
+
+    <string name="library_WulkanowyApi_isOpenSource" translatable="false">true</string>
+    <string name="library_WulkanowyApi_repositoryLink" translatable="false">https://github.com/wulkanowy/api</string>
+
+    <string name="library_WulkanowyApi_licenseId" translatable="false">apache_2_0</string>
+</resources>

app/src/main/res/values/strings.xml

@@ -10,6 +10,7 @@
     <string name="timetable_title">Timetable</string>
     <string name="settings_title">Settings</string>
     <string name="more_title">More</string>
+    <string name="about_title">About</string>
 
 
     <!--Login form-->
@@ -87,6 +88,10 @@
     <string name="exam_type">Type</string>
     <string name="exam_entry_date">Entry date</string>
 
+    <!--About-->
+    <string name="about_source_code">Source code</string>
+    <string name="about_feedback">Report a bug</string>
+
 
     <!--Generic-->
     <string name="all_description">Description</string>
@@ -125,22 +130,11 @@
     <string name="pref_services_interval">Updates interval</string>
     <string name="pref_services_wifi">Only WiFi</string>
 
-    <string name="pref_about_description">About Wulkanowy</string>
-    <string name="pref_about_version">Version</string>
-    <string name="pref_about_osl">Open source licences</string>
-    <string name="pref_about_osl_summary">License details for open source software</string>
-    <string name="pref_about_support">Source code &amp; feedback</string>
-
-    <string name="about_programmer_step1">No, you will not become a programmer!</string>
-    <string name="about_programmer_step2">You must try harder!</string>
-    <string name="about_programmer_step3">Click a few more times</string>
-    <string name="about_programmer_description">Visit the Source code tab and show how good a programmer you are!</string>
-
     <string name="pref_restart">Restart required</string>
 
 
     <!--Grade notify-->
-    <string name="notify_grade_chanell">New grades</string>
+    <string name="notify_grade_chanel">New grades</string>
     <plurals name="notify_grade_new_items">
         <item quantity="one">You received %1$d grade</item>
         <item quantity="other">You received %1$d grades</item>

app/src/main/res/values/styles.xml

@@ -1,6 +1,6 @@
 <resources>
 
-    <style name="WulkanowyTheme" parent="@style/Base.Theme.AppCompat.Light">
+    <style name="WulkanowyTheme" parent="@style/Theme.AppCompat.Light">
         <item name="colorPrimary">@color/colorPrimary</item>
         <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
         <item name="colorAccent">@color/colorPrimary</item>
@@ -13,7 +13,6 @@
         <item name="titleTextColor">@android:color/primary_text_dark</item>
         <item name="subtitleTextColor">@android:color/primary_text_dark</item>
         <item name="android:colorBackground">@android:color/white</item>
-        <item name="preferenceTheme">@style/PreferenceThemeOverlay.v14.Material</item>
         <item name="bottomNavBackground">@color/bottom_nav_background_inverse</item>
         <item name="android:windowAnimationStyle">@null</item>
     </style>
@@ -27,12 +26,7 @@
         <item name="windowNoTitle">true</item>
     </style>
 
-    <style name="DialogFragmentTheme" parent="Theme.AppCompat.DayNight.Dialog.Alert">
+    <style name="WulkanowyTheme.ActionBar" parent="WulkanowyTheme">
-        <item name="android:textColorTertiary">@android:color/primary_text_light</item>
+        <item name="colorControlNormal">@android:color/white</item>
-        <item name="windowActionBar">false</item>
-        <item name="windowNoTitle">false</item>
-        <item name="android:windowActionBar">false</item>
-        <item name="android:windowNoTitle">false</item>
     </style>
-
 </resources>

app/src/main/res/xml/scheme_preferences.xml

@@ -1,67 +1,21 @@
 <?xml version="1.0" encoding="utf-8"?>
-<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
-    <PreferenceCategory android:title="@string/pref_view_header">
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+    <PreferenceCategory
+        android:title="@string/pref_view_header"
+        app:iconSpaceReserved="false">
         <ListPreference
             android:defaultValue="0"
             android:entries="@array/startup_tab_entries"
             android:entryValues="@array/startup_tab_value"
-            android:key="startup_tab"
+            android:key="start_menu"
             android:summary="%s"
-            android:title="@string/pref_view_list" />
+            android:title="@string/pref_view_list"
-        <SwitchPreference
+            app:iconSpaceReserved="false" />
-            android:defaultValue="false"
-            android:key="grades_summary"
-            android:summary="@string/pref_restart"
-            android:title="@string/pref_view_summary" />
         <SwitchPreference
             android:defaultValue="true"
             android:key="attendance_present"
-            android:summary="@string/pref_restart"
+            android:title="@string/pref_view_present"
-            android:title="@string/pref_view_present" />
+            app:iconSpaceReserved="false" />
-        <ListPreference
-            android:defaultValue="1"
-            android:entries="@array/theme_entries"
-            android:entryValues="@array/theme_values"
-            android:key="theme"
-            android:summary="%s"
-            android:title="@string/pref_view_theme_dark" />
-    </PreferenceCategory>
-    <PreferenceCategory android:title="@string/pref_services_header">
-        <SwitchPreference
-            android:defaultValue="true"
-            android:key="services_enable"
-            android:title="@string/pref_services_switch" />
-        <ListPreference
-            android:defaultValue="60"
-            android:dependency="services_enable"
-            android:entries="@array/services_interval_entries"
-            android:entryValues="@array/services_interval_value"
-            android:key="services_interval"
-            android:summary="%s"
-            android:title="@string/pref_services_interval" />
-        <SwitchPreference
-            android:defaultValue="false"
-            android:dependency="services_enable"
-            android:key="services_disable_mobile"
-            android:title="@string/pref_services_wifi" />
-    </PreferenceCategory>
-    <PreferenceCategory android:title="@string/pref_notify_header">
-        <SwitchPreference
-            android:defaultValue="true"
-            android:dependency="services_enable"
-            android:key="notify_enable"
-            android:title="@string/pref_notify_switch" />
-    </PreferenceCategory>
-    <PreferenceCategory android:title="@string/pref_about_description">
-        <Preference
-            android:key="about_version"
-            android:title="@string/pref_about_version" />
-        <Preference
-            android:key="about_osl"
-            android:summary="@string/pref_about_osl_summary"
-            android:title="@string/pref_about_osl" />
-        <Preference
-            android:key="about_repo"
-            android:title="@string/pref_about_support" />
     </PreferenceCategory>
 </PreferenceScreen>

app/src/test/java/io/github/wulkanowy/ui/login/LoginPresenterTest.kt

@@ -21,6 +21,7 @@ class LoginPresenterTest {
     fun initPresenter() {
         MockitoAnnotations.initMocks(this)
         clearInvocations(loginView)
+
         presenter = LoginPresenter(errorHandler)
         presenter.onAttachView(loginView)
     }
@@ -49,7 +50,7 @@ class LoginPresenterTest {
     @Test
     fun onBackPressedTest() {
         clearInvocations(loginView)
-        doReturn(1).`when`(loginView).currentViewPosition()
+        doReturn(1).`when`(loginView).currentViewIndex
         presenter.onBackPressed { }
         verify(loginView).switchView(0)
         verify(loginView).hideActionBar()
@@ -58,7 +59,7 @@ class LoginPresenterTest {
     @Test
     fun onBackPressedDefaultTest() {
         var i = 0
-        doReturn(0).`when`(loginView).currentViewPosition()
+        doReturn(0).`when`(loginView).currentViewIndex
         presenter.onBackPressed { i++ }
         assertNotEquals(0, i)
     }

app/src/test/java/io/github/wulkanowy/ui/main/MainPresenterTest.kt

@@ -1,10 +1,12 @@
 package io.github.wulkanowy.ui.main
 
 import io.github.wulkanowy.data.ErrorHandler
+import io.github.wulkanowy.data.repositories.PreferencesRepository
 import org.junit.Before
 import org.junit.Test
 import org.mockito.Mock
-import org.mockito.Mockito.*
+import org.mockito.Mockito.clearInvocations
+import org.mockito.Mockito.verify
 import org.mockito.MockitoAnnotations
 
 class MainPresenterTest {
@@ -12,6 +14,9 @@ class MainPresenterTest {
     @Mock
     lateinit var errorHandler: ErrorHandler
 
+    @Mock
+    lateinit var prefRepository: PreferencesRepository
+
     @Mock
     lateinit var mainView: MainView
 
@@ -22,7 +27,7 @@ class MainPresenterTest {
         MockitoAnnotations.initMocks(this)
         clearInvocations(mainView)
 
-        presenter = MainPresenter(errorHandler)
+        presenter = MainPresenter(errorHandler, prefRepository)
         presenter.onAttachView(mainView)
     }
 
@@ -36,12 +41,5 @@ class MainPresenterTest {
         presenter.onTabSelected(1, false)
         verify(mainView).switchMenuView(1)
     }
-
-    @Test
-    fun onMenuFragmentChangeTest() {
-        doReturn("Test").`when`(mainView).viewTitle(1)
-        presenter.onMenuViewChange(1)
-        verify(mainView).setViewTitle("Test")
-    }
 }
 

build.gradle

@@ -11,7 +11,6 @@ buildscript {
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         classpath 'com.android.tools.build:gradle:3.2.1'
         classpath "io.fabric.tools:gradle:1.26.0"
-        classpath "com.google.gms:oss-licenses:0.9.2"
         classpath "com.github.triplet.gradle:play-publisher:1.2.2"
         classpath "org.sonarsource.scanner.gradle:sonarqube-gradle-plugin:2.6.2"
     }