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package com.mapbox.mapboxsdk.testapp.activity.maplayout
import android.annotation.SuppressLint
import android.os.Bundle
import androidx.appcompat.app.AppCompatActivity
import androidx.recyclerview.widget.LinearLayoutManager
import androidx.recyclerview.widget.RecyclerView
import android.view.LayoutInflater
import android.view.ViewGroup
import android.widget.TextView
import com.mapbox.mapboxsdk.maps.MapView
import com.mapbox.mapboxsdk.maps.Style
import com.mapbox.mapboxsdk.testapp.R
import kotlinx.android.synthetic.main.activity_recyclerview.*
/**
* TestActivity showcasing how to integrate multiple GLSurfaceView MapViews in a RecyclerView.
* <p>
* It requires calling the correct lifecycle methods when detaching and attaching the View to
* the RecyclerView with onViewAttachedToWindow and onViewDetachedFromWindow.
* </p>
*/
@SuppressLint("ClickableViewAccessibility")
open class GLSurfaceRecyclerViewActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_recyclerview)
recyclerView.layoutManager = androidx.recyclerview.widget.LinearLayoutManager(this)
recyclerView.adapter = ItemAdapter(this, LayoutInflater.from(this))
}
override fun onLowMemory() {
super.onLowMemory()
// to release memory, we need to call MapView#onLowMemory
(recyclerView.adapter as ItemAdapter).onLowMemory()
}
override fun onDestroy() {
super.onDestroy()
// to perform cleanup, we need to call MapView#onDestroy
(recyclerView.adapter as ItemAdapter).onDestroy()
}
open fun getMapItemLayoutId(): Int {
return R.layout.item_map_gl
}
class ItemAdapter(private val activity: GLSurfaceRecyclerViewActivity, private val inflater: LayoutInflater) : androidx.recyclerview.widget.RecyclerView.Adapter<androidx.recyclerview.widget.RecyclerView.ViewHolder>() {
private val items = listOf(
"one", "two", "three", MapItem(Style.MAPBOX_STREETS), "four", "five", MapItem(Style.DARK), "seven", "eight", "nine", "ten",
"eleven", "twelve", "thirteen", "fourteen", "fifteen", "sixteen", "seventeen", "eighteen",
"nineteen", "twenty", "twenty-one"
)
private var mapHolders: MutableList<MapHolder> = mutableListOf()
companion object {
const val TYPE_MAP = 0
const val TYPE_TEXT = 1
}
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): androidx.recyclerview.widget.RecyclerView.ViewHolder {
return if (viewType == TYPE_MAP) {
val mapView = inflater.inflate(activity.getMapItemLayoutId(), parent, false) as MapView
val mapHolder = MapHolder(mapView)
mapHolders.add(mapHolder)
return mapHolder
} else {
TextHolder(inflater.inflate(android.R.layout.simple_list_item_1, parent, false) as TextView)
}
}
override fun onViewAttachedToWindow(holder: androidx.recyclerview.widget.RecyclerView.ViewHolder) {
super.onViewAttachedToWindow(holder)
if (holder is MapHolder) {
val mapView = holder.mapView
mapView.onStart()
mapView.onResume()
}
}
override fun onViewDetachedFromWindow(holder: androidx.recyclerview.widget.RecyclerView.ViewHolder) {
super.onViewDetachedFromWindow(holder)
if (holder is MapHolder) {
val mapView = holder.mapView
mapView.onPause()
mapView.onStop()
}
}
override fun getItemCount(): Int {
return items.count()
}
override fun onBindViewHolder(holder: androidx.recyclerview.widget.RecyclerView.ViewHolder, position: Int) {
if (holder is TextHolder) {
holder.bind(items[position] as String)
} else if (holder is MapHolder) {
holder.bind(items[position] as MapItem)
}
}
override fun getItemViewType(position: Int): Int {
return if (items[position] is MapItem) {
TYPE_MAP
} else {
TYPE_TEXT
}
}
fun onLowMemory() {
for (mapHolder in mapHolders) {
mapHolder.mapView.onLowMemory()
}
}
fun onDestroy() {
for (mapHolder in mapHolders) {
mapHolder.mapView.let {
it.onPause()
it.onStop()
it.onDestroy()
}
}
}
data class MapItem(val style: String)
class MapHolder(val mapView: MapView) : androidx.recyclerview.widget.RecyclerView.ViewHolder(mapView) {
init {
// unfortunately, if there are multiple maps hosted in one activity, state saving is not possible
mapView.onCreate(null)
mapView.setOnTouchListener { view, motionEvent ->
// Disallow the touch request for recyclerView scroll
view.parent.requestDisallowInterceptTouchEvent(true)
mapView.onTouchEvent(motionEvent)
true
}
}
fun bind(mapItem: MapItem) {
mapView.getMapAsync { mapboxMap -> mapboxMap.setStyle(mapItem.style) }
}
}
class TextHolder(val textView: TextView) : androidx.recyclerview.widget.RecyclerView.ViewHolder(textView) {
fun bind(item: String) {
textView.text = item
}
}
}
}
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