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package com.mapbox.mapboxsdk.testapp.activity.fragment
import android.os.Bundle
import android.support.v7.app.AppCompatActivity
import com.mapbox.mapboxsdk.maps.MapboxMap
import com.mapbox.mapboxsdk.maps.Style
import com.mapbox.mapboxsdk.maps.SupportMapFragment
import com.mapbox.mapboxsdk.testapp.R
import com.mapbox.mapboxsdk.testapp.utils.NavUtils
import kotlinx.android.synthetic.main.activity_backstack_fragment.*
/**
* Test activity showcasing using the MapFragment API as part of a backstacked fragment.
*/
class FragmentBackStackActivity : AppCompatActivity() {
companion object {
private const val FRAGMENT_TAG = "map_fragment"
}
private lateinit var mapFragment: SupportMapFragment
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_backstack_fragment)
if (savedInstanceState == null) {
mapFragment = SupportMapFragment.newInstance()
mapFragment.getMapAsync { initMap(it) }
supportFragmentManager.beginTransaction().apply {
add(R.id.container, mapFragment, FRAGMENT_TAG)
}.commit()
} else {
supportFragmentManager.findFragmentByTag(FRAGMENT_TAG)?.also { fragment ->
if (fragment is SupportMapFragment) {
fragment.getMapAsync { initMap(it) }
}
}
}
button.setOnClickListener { handleClick() }
}
private fun initMap(mapboxMap: MapboxMap) {
mapboxMap.setStyle(Style.SATELLITE) {
mapboxMap.setPadding(300, 300, 300, 300)
}
}
private fun handleClick() {
supportFragmentManager.beginTransaction().apply {
replace(R.id.container, NestedViewPagerActivity.ItemAdapter.EmptyFragment())
addToBackStack("map_empty_fragment")
}.commit()
}
override fun onBackPressed() {
if (supportFragmentManager.backStackEntryCount == 0) {
// activity uses singleInstance for testing purposes
// code below provides a default navigation when using the app
NavUtils.navigateHome(this)
} else {
super.onBackPressed()
}
}
}
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