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[android] refactor ViewPager example

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Łukasz Paczos
2019-05-15 15:41:00 +02:00
committed by Łukasz Paczos
parent c31bda732c
commit 0ecf45edbd
1 changed files with 48 additions and 56 deletions
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104
platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/fragment/ViewPagerActivity.kt
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@@ -26,33 +26,14 @@ class ViewPagerActivity : AppCompatActivity() {
override fun onRestoreInstanceState(savedInstanceState: Bundle) {
super.onRestoreInstanceState(savedInstanceState)
val currentPosition = viewPager.currentItem
var mapFragment: SupportMapFragment
if (Math.abs(0 - currentPosition) <= 1) {
mapFragment = viewPager.adapter?.instantiateItem(viewPager, 0) as SupportMapFragment
mapFragment.getMapAsync { mapboxMap -> mapboxMap.setStyle(Style.MAPBOX_STREETS) }
}
if (Math.abs(1 - currentPosition) <= 1) {
mapFragment = viewPager.adapter?.instantiateItem(viewPager, 1) as SupportMapFragment
mapFragment.getMapAsync { mapboxMap -> mapboxMap.setStyle(Style.DARK) }
}
if (Math.abs(2 - currentPosition) <= 1) {
mapFragment = viewPager.adapter?.instantiateItem(viewPager, 2) as SupportMapFragment
mapFragment.getMapAsync { mapboxMap -> mapboxMap.setStyle(Style.SATELLITE) }
}
if (Math.abs(3 - currentPosition) <= 1) {
mapFragment = viewPager.adapter?.instantiateItem(viewPager, 3) as SupportMapFragment
mapFragment.getMapAsync { mapboxMap -> mapboxMap.setStyle(Style.SATELLITE) }
}
if (Math.abs(4 - currentPosition) <= 1) {
mapFragment = viewPager.adapter?.instantiateItem(viewPager, 4) as SupportMapFragment
mapFragment.getMapAsync { mapboxMap -> mapboxMap.setStyle(Style.SATELLITE) }
val offscreenLimit = viewPager.offscreenPageLimit
for (i in currentPosition - offscreenLimit..currentPosition + offscreenLimit) {
if (i < 0 || i > viewPager.adapter?.count ?: 0) {
continue
}
val mapFragment = viewPager.adapter?.instantiateItem(viewPager, i) as SupportMapFragment
mapFragment.getMapAsync(i)
}
}
@@ -63,37 +44,34 @@ class ViewPagerActivity : AppCompatActivity() {
}
override fun getItem(position: Int): Fragment? {
var fragment: SupportMapFragment? = null
val options = MapboxMapOptions()
options.textureMode(true)
options.camera(
CameraPosition.Builder()
.zoom(3.0)
.target(
when (position) {
0 -> {
LatLng(34.920526, 102.634774)
}
1 -> {
LatLng(62.326440, 92.764913)
}
2 -> {
LatLng(-25.007786, 133.623852)
}
3 -> {
LatLng(62.326440, 92.764913)
}
else -> {
LatLng(34.920526, 102.634774)
}
}
)
.build())
when (position) {
0 -> {
options.camera(CameraPosition.Builder().target(LatLng(34.920526, 102.634774)).zoom(3.0).build())
fragment = SupportMapFragment.newInstance(options)
fragment.getMapAsync { mapboxMap -> mapboxMap.setStyle(Style.MAPBOX_STREETS) }
}
1 -> {
options.camera(CameraPosition.Builder().target(LatLng(62.326440, 92.764913)).zoom(3.0).build())
fragment = SupportMapFragment.newInstance(options)
fragment.getMapAsync { mapboxMap -> mapboxMap.setStyle(Style.DARK) }
}
2 -> {
options.camera(CameraPosition.Builder().target(LatLng(-25.007786, 133.623852)).zoom(3.0).build())
fragment = SupportMapFragment.newInstance(options)
fragment.getMapAsync { mapboxMap -> mapboxMap.setStyle(Style.SATELLITE) }
}
3 -> {
options.camera(CameraPosition.Builder().target(LatLng(62.326440, 92.764913)).zoom(3.0).build())
fragment = SupportMapFragment.newInstance(options)
fragment.getMapAsync { mapboxMap -> mapboxMap.setStyle(Style.LIGHT) }
}
4 -> {
options.camera(CameraPosition.Builder().target(LatLng(34.920526, 102.634774)).zoom(3.0).build())
fragment = SupportMapFragment.newInstance(options)
fragment.getMapAsync { mapboxMap -> mapboxMap.setStyle(Style.TRAFFIC_NIGHT) }
}
}
val fragment = SupportMapFragment.newInstance(options)
fragment.getMapAsync(position)
return fragment
}
@@ -102,8 +80,22 @@ class ViewPagerActivity : AppCompatActivity() {
}
companion object {
private val NUM_ITEMS = 5
private const val NUM_ITEMS = 5
}
}
}
fun SupportMapFragment.getMapAsync(index: Int) {
this.getMapAsync {
it.setStyle(
when (index) {
0 -> Style.MAPBOX_STREETS
1 -> Style.DARK
2 -> Style.SATELLITE
3 -> Style.LIGHT
4 -> Style.TRAFFIC_NIGHT
else -> Style.MAPBOX_STREETS
}
)
}
}