Add primary tabbar navigation
This commit is contained in:
Daniil Borisovskii
parent
78755f9ce7
commit
a2fb21c140
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@ -38,6 +38,7 @@ ext {
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rxJava : '2.2.2',
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rxAndroid : '2.1.0',
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crashlytics: '2.9.5',
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location : '16.0.0'
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location : '16.0.0',
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coreKtx : '1.0.1'
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]
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}
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@ -19,6 +19,7 @@ include ':views'
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include ':recyclerview-adapters'
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include ':kotlin-extensions'
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include ':templates'
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include ':tabbarnavigation'
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project(':utils').projectDir = new File(rootDir, 'utils')
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project(':logging').projectDir = new File(rootDir, 'logging')
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@ -31,3 +32,4 @@ project(':views').projectDir = new File(rootDir, 'views')
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project(':recyclerview-adapters').projectDir = new File(rootDir, 'recyclerview-adapters')
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project(':kotlin-extensions').projectDir = new File(rootDir, 'kotlin-extensions')
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project(':templates').projectDir = new File(rootDir, 'templates')
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project(':tabbarnavigation').projectDir = new File(rootDir, 'tabbarnavigation')
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@ -0,0 +1 @@
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/build
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@ -0,0 +1,27 @@
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apply plugin: 'com.android.library'
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apply plugin: 'kotlin-android'
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android {
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compileSdkVersion versions.compileSdk
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defaultConfig {
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minSdkVersion 16
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}
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compileOptions {
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sourceCompatibility JavaVersion.VERSION_1_8
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targetCompatibility JavaVersion.VERSION_1_8
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}
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}
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dependencies {
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api project(":navigation")
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api project(":templates")
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implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
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implementation "androidx.core:core-ktx:$versions.coreKtx"
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implementation "androidx.appcompat:appcompat:$versions.appcompat"
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}
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@ -0,0 +1,2 @@
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<manifest
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package="ru.touchin.tabbarnavigation"/>
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@ -0,0 +1,126 @@
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package ru.touchin.tabbarnavigation
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import android.content.Context
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import android.os.Bundle
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import android.os.Parcelable
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import android.util.SparseArray
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import android.view.View
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import android.view.ViewGroup
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import androidx.annotation.IdRes
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import androidx.core.util.forEach
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import androidx.core.view.children
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import androidx.fragment.app.Fragment
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import androidx.fragment.app.FragmentManager
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import ru.touchin.roboswag.components.navigation.fragments.ViewControllerFragment
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import ru.touchin.roboswag.components.navigation.viewcontrollers.ViewController
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import ru.touchin.roboswag.core.utils.ShouldNotHappenException
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class BottomNavigationController(
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private val context: Context,
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private val fragmentManager: FragmentManager,
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private val viewControllers: SparseArray<Pair<Class<out ViewController<*, *>>, Parcelable>>,
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private val contentContainerViewId: Int,
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private val wrapWithNavigationContainer: Boolean = false,
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@IdRes private val topLevelViewControllerId: Int = 0, // If it zero back press with empty fragment back stack would close the app
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private val onReselectListener: (() -> Unit)? = null
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) {
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private lateinit var callback: FragmentManager.FragmentLifecycleCallbacks
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private var currentViewControllerId = -1
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fun attach(navigationTabsContainer: ViewGroup) {
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detach()
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//This is provides to set pressed tab status to isActivated providing an opportunity to specify custom style
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callback = object : FragmentManager.FragmentLifecycleCallbacks() {
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override fun onFragmentViewCreated(fragmentManager: FragmentManager, fragment: Fragment, view: View, savedInstanceState: Bundle?) {
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viewControllers.forEach { itemId, (viewControllerClass, _) ->
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if (isViewControllerFragment(fragment, viewControllerClass)) {
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navigationTabsContainer.children.forEach { itemView -> itemView.isActivated = itemView.id == itemId }
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}
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}
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}
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}
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fragmentManager.registerFragmentLifecycleCallbacks(callback, false)
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navigationTabsContainer.children.forEach { itemView ->
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viewControllers[itemView.id]?.let { (viewControllerClass, _) ->
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itemView.setOnClickListener {
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if (!isViewControllerFragment(fragmentManager.primaryNavigationFragment, viewControllerClass)) {
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navigateTo(itemView.id)
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} else {
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onReselectListener?.invoke()
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}
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}
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}
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}
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}
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fun detach() {
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if (::callback.isInitialized) {
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fragmentManager.unregisterFragmentLifecycleCallbacks(callback)
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}
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}
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fun navigateTo(@IdRes itemId: Int, state: Parcelable? = null) {
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// Find view controller class that needs to open
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val (viewControllerClass, defaultViewControllerState) = viewControllers[itemId] ?: return
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if (state != null && state::class != defaultViewControllerState::class) {
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throw ShouldNotHappenException(
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"Incorrect state type for navigation tab root ViewController. Should be ${defaultViewControllerState::class}"
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)
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}
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val viewControllerState = state ?: defaultViewControllerState
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val transaction = fragmentManager.beginTransaction()
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// Detach current primary fragment
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fragmentManager.primaryNavigationFragment?.let(transaction::detach)
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val viewControllerName = viewControllerClass.canonicalName
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var fragment = fragmentManager.findFragmentByTag(viewControllerName)
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//TODO: figure out do we need to remove exists fragment before instantiate him one more time
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if (fragment != null) {
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transaction.attach(fragment)
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} else {
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fragment = if (wrapWithNavigationContainer) {
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Fragment.instantiate(
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context,
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NavigationContainerFragment::class.java.name,
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NavigationContainerFragment.args(viewControllerClass, viewControllerState)
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)
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} else {
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Fragment.instantiate(
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context,
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ViewControllerFragment::class.java.name,
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ViewControllerFragment.args(viewControllerClass, viewControllerState)
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)
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}
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transaction.add(contentContainerViewId, fragment, viewControllerName)
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}
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transaction
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.setPrimaryNavigationFragment(fragment)
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.setReorderingAllowed(true)
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.commit()
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currentViewControllerId = itemId
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}
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// If current fragment top and it's not the top level view controller open to top level view controller
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fun onBackPressed() =
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if (fragmentManager.primaryNavigationFragment?.childFragmentManager?.backStackEntryCount == 0
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&& topLevelViewControllerId != 0
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&& currentViewControllerId != topLevelViewControllerId) {
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navigateTo(topLevelViewControllerId)
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true
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} else {
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false
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}
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private fun isViewControllerFragment(fragment: Fragment?, viewControllerClass: Class<out ViewController<*, *>>) =
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if (wrapWithNavigationContainer) {
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(fragment as NavigationContainerFragment).getViewControllerClass()
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} else {
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(fragment as ViewControllerFragment<*, *>).viewControllerClass
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} === viewControllerClass
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}
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@ -0,0 +1,67 @@
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package ru.touchin.tabbarnavigation
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import android.os.Bundle
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import android.os.Parcelable
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import android.util.SparseArray
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import android.view.LayoutInflater
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import android.view.View
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import android.view.ViewGroup
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import androidx.fragment.app.Fragment
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import ru.touchin.roboswag.components.navigation.activities.OnBackPressedListener
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import ru.touchin.roboswag.components.navigation.viewcontrollers.ViewController
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abstract class MainNavigationFragment : Fragment() {
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private lateinit var bottomNavigationController: BottomNavigationController
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private val backPressedListener = OnBackPressedListener { bottomNavigationController.onBackPressed() }
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abstract fun getRootViewId(): Int
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abstract fun getNavigationContainerId(): Int
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abstract fun getContentContainerId(): Int
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abstract fun getTopLevelViewControllerId(): Int
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abstract fun wrapWithNavigationContainer(): Boolean
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protected abstract fun getNavigationViewControllers(): SparseArray<Pair<Class<out ViewController<*, *>>, Parcelable>>
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open fun getReselectListener(): (() -> Unit) = { getNavigationActivity().getInnerNavigation().up() }
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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bottomNavigationController = BottomNavigationController(
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context = requireContext(),
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fragmentManager = childFragmentManager,
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viewControllers = getNavigationViewControllers(),
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contentContainerViewId = getContentContainerId(),
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topLevelViewControllerId = getTopLevelViewControllerId(),
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wrapWithNavigationContainer = wrapWithNavigationContainer(),
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onReselectListener = getReselectListener()
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)
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if (savedInstanceState == null) {
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bottomNavigationController.navigateTo(getTopLevelViewControllerId())
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}
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}
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override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
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val fragmentView = inflater.inflate(getRootViewId(), container, false)
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bottomNavigationController.attach(fragmentView.findViewById(getNavigationContainerId()))
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(activity as NavigationActivity).addOnBackPressedListener(backPressedListener)
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return fragmentView
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}
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override fun onDestroyView() {
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super.onDestroyView()
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(activity as NavigationActivity).removeOnBackPressedListener(backPressedListener)
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bottomNavigationController.detach()
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}
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private fun getNavigationActivity() = requireActivity() as NavigationActivity
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}
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@ -0,0 +1,31 @@
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package ru.touchin.tabbarnavigation
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import androidx.fragment.app.FragmentManager
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import androidx.fragment.app.FragmentTransaction
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import ru.touchin.roboswag.components.navigation.viewcontrollers.ViewControllerNavigation
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import ru.touchin.templates.TouchinActivity
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abstract class NavigationActivity : TouchinActivity() {
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val screenNavigation by lazy {
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ViewControllerNavigation<NavigationActivity>(
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this,
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supportFragmentManager,
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getContainerViewId(),
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getTransition()
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)
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}
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abstract fun getContainerViewId(): Int
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open fun getTransition() = FragmentTransaction.TRANSIT_NONE
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fun getInnerNavigation() = getNavigationContainer(supportFragmentManager)?.navigation ?: screenNavigation
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private fun getNavigationContainer(fragmentManager: FragmentManager?): NavigationContainerFragment? =
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fragmentManager
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?.primaryNavigationFragment
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?.let { navigationFragment ->
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navigationFragment as? NavigationContainerFragment
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?: getNavigationContainer(navigationFragment.childFragmentManager)
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}
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}
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@ -0,0 +1,53 @@
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package ru.touchin.tabbarnavigation
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import android.os.Bundle
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import android.os.Parcelable
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import android.view.LayoutInflater
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import android.view.View
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import android.view.ViewGroup
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import androidx.fragment.app.Fragment
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import androidx.fragment.app.FragmentTransaction
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import ru.touchin.roboswag.components.navigation.viewcontrollers.ViewController
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import ru.touchin.roboswag.components.navigation.viewcontrollers.ViewControllerNavigation
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abstract class NavigationContainerFragment : Fragment() {
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companion object {
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private const val VIEW_CONTROLLER_CLASS_ARG = "VIEW_CONTROLLER_CLASS_ARG"
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private const val VIEW_CONTROLLER_STATE_ARG = "VIEW_CONTROLLER_STATE_ARG"
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fun args(cls: Class<out ViewController<*, *>>, state: Parcelable) = Bundle().apply {
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putSerializable(VIEW_CONTROLLER_CLASS_ARG, cls)
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putParcelable(VIEW_CONTROLLER_STATE_ARG, state)
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}
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}
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val navigation by lazy {
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ViewControllerNavigation<NavigationActivity>(
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requireContext(),
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childFragmentManager,
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getContainerViewId(),
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getTransition()
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)
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}
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abstract fun getContainerViewId(): Int
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open fun getTransition() = FragmentTransaction.TRANSIT_NONE
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@Suppress("UNCHECKED_CAST")
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fun getViewControllerClass(): Class<out ViewController<out NavigationActivity, Parcelable>> =
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arguments?.getSerializable(VIEW_CONTROLLER_CLASS_ARG) as Class<out ViewController<out NavigationActivity, Parcelable>>
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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if (savedInstanceState == null) {
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val args = arguments ?: return
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navigation.setInitialViewController(getViewControllerClass(), args.getParcelable(VIEW_CONTROLLER_STATE_ARG))
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}
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}
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override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? =
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inflater.inflate(getContainerViewId(), container, false)
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}
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