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Commit 86279c4

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Bene0202
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Final UI-Update Benedikt
1 parent 2c74b01 commit 86279c4

4 files changed

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‎app/src/main/java/com/nlinterface/adapters/PlaceDetailsFragmentAdapter.kt‎

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package com.nlinterface.adapters
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import androidx.fragment.app.Fragment
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import androidx.fragment.app.FragmentActivity
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import androidx.viewpager2.adapter.FragmentStateAdapter
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import com.nlinterface.fragments.PlaceDetailsListOverview
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import com.nlinterface.fragments.PlaceDetailsScreen1
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import com.nlinterface.fragments.PlaceDetailsScreenBase
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/**
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* Fragment Adapter for the Place Details Activity. On initialization only the fixed Fragments are
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* added to fragmentList.
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*/
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class PlaceDetailsFragmentAdapter (
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private val fragmentActivity: FragmentActivity
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): FragmentStateAdapter(fragmentActivity) {
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val fragmentList = mutableListOf<Fragment>()
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override fun getItemCount(): Int {
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return fragmentList.size
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}
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init {
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fragmentList.add(PlaceDetailsListOverview())
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fragmentList.add(PlaceDetailsScreen1())
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}
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override fun createFragment(position: Int): Fragment {
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return fragmentList[position]
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}
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fun addFragment(fragment: PlaceDetailsScreenBase){
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fragmentList.add(fragment)
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}
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/**
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* Removes a fragment and handles proper notification to all isntances.
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*/
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fun removeFragment(fragment: PlaceDetailsScreenBase){
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val position = fragmentList.indexOf(fragment)
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fragmentList.removeAt(position)
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fragmentActivity.supportFragmentManager.beginTransaction().remove(fragment).commitNowAllowingStateLoss()
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notifyItemRemoved(position)
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notifyDataSetChanged()
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}
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fun getCurrentFragment(position: Int): Fragment? {
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return fragmentList.getOrNull(position)
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}
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override fun getItemId(position: Int): Long {
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// Return a unique ID for each fragment
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return fragmentList[position].hashCode().toLong()
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}
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override fun containsItem(itemId: Long): Boolean {
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// Ensure that the item is still in the fragment list
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return fragmentList.any { it.hashCode().toLong() == itemId }
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}
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}

‎app/src/main/java/com/nlinterface/fragments/PlaceDetailsListOverview.kt‎

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package com.nlinterface.fragments
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import android.os.Bundle
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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.lifecycle.ViewModelProvider
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import androidx.recyclerview.widget.LinearLayoutManager
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import androidx.recyclerview.widget.RecyclerView
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import com.nlinterface.R
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import com.nlinterface.activities.PlaceDetailsActivity
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import com.nlinterface.adapters.PlaceDetailsAdapter
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import com.nlinterface.dataclasses.PlaceDetailsItem
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import com.nlinterface.utility.SwipeAction
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import com.nlinterface.utility.SwipeNavigationListener
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import com.nlinterface.viewmodels.PlaceDetailsViewModel
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class PlaceDetailsListOverview : Fragment(), SwipeAction {
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lateinit var viewModel: PlaceDetailsViewModel
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private lateinit var adapter: PlaceDetailsAdapter
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private lateinit var placesList: ArrayList<PlaceDetailsItem>
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private lateinit var rvPlacesList: RecyclerView
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/**
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* On Create View creates the layout and sets up the swipe Navigation. It also accesses
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* the grocery list
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* On ViewCreated accesses the shared viewmodel and displays the grocery list.
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*/
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override fun onCreateView(
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inflater: LayoutInflater, container: ViewGroup?,
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savedInstanceState: Bundle?
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): View? {
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// Inflate the layout for this fragment
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val view = inflater.inflate(R.layout.places_listview, container, false)
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view.setOnTouchListener(SwipeNavigationListener(requireContext(), this))
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rvPlacesList = view.findViewById<View>(R.id.places_list_rv) as RecyclerView
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viewModel = ViewModelProvider(this)[PlaceDetailsViewModel::class.java]
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return view
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}
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override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
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super.onViewCreated(view, savedInstanceState)
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viewModel.fetchPlaceDetailsItemList()
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placesList = viewModel.placeDetailsItemList
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configureRecyclerView()
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}
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override fun onResume() {
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super.onResume()
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viewModel.fetchPlaceDetailsItemList()
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placesList = viewModel.placeDetailsItemList
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configureRecyclerView()
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}
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/**
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* Does not implement any swipe functionalities. This screen is a mere overview.
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*/
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override fun onSwipeLeft() {}
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override fun onSwipeRight() {}
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override fun onSwipeUp() {}
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override fun onSwipeDown(){}
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override fun onDoubleTap() {}
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override fun onLongPress() {}
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/**
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* Handles the RecyclerView and sets up necessary parameters for displaying the grocery list.
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*/
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private fun configureRecyclerView() {
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adapter = PlaceDetailsAdapter(placesList, activity as PlaceDetailsActivity)
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rvPlacesList.adapter = adapter
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rvPlacesList.layoutManager = LinearLayoutManager(activity as PlaceDetailsActivity)
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}
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}

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

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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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xmlns:tools="http://schemas.android.com/tools"
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android:orientation="vertical"
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android:padding="16dp"
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tools:ignore="MissingConstraints">
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<TextView
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android:id="@+id/placeNameTextView"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:textStyle="bold"
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android:text="Place Name"/>
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<TextView
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android:id="@+id/placeAddressTextView"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="Place Address"/>
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</LinearLayout>

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

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<?xml version="1.0" encoding="utf-8"?>
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<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:app="http://schemas.android.com/apk/res-auto"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:id="@+id/placeslist_listview">
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<androidx.recyclerview.widget.RecyclerView
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android:id="@+id/places_list_rv"
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android:layout_width="0dp"
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android:layout_height="0dp"
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android:clipToPadding="false"
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android:overScrollMode="never"
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app:layout_constraintBottom_toBottomOf="parent"
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app:layout_constraintEnd_toEndOf="@id/v_guide2"
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app:layout_constraintStart_toStartOf="@id/v_guide1"
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app:layout_constraintTop_toTopOf="parent" />
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<androidx.constraintlayout.widget.Guideline
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android:id="@+id/v_guide1"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:orientation="vertical"
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app:layout_constraintGuide_percent="0.05" />
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<androidx.constraintlayout.widget.Guideline
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android:id="@+id/v_guide2"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:orientation="vertical"
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app:layout_constraintGuide_percent="0.95" />
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</androidx.constraintlayout.widget.ConstraintLayout>

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