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package com.mapbox.mapboxsdk.testapp.activity.maplayout
import android.annotation.SuppressLint
import android.content.Context
import android.graphics.*
import android.os.Bundle
import android.support.v7.app.AppCompatActivity
import android.view.View
import com.mapbox.mapboxsdk.maps.Style
import com.mapbox.mapboxsdk.testapp.R
import kotlinx.android.synthetic.main.activity_overlay.*
/**
* Test overlaying a Map with a View that uses a radial gradient shader.
*/
class OverlayMapActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_overlay)
mapView.onCreate(savedInstanceState)
parentView.addView(OverlayView(this))
mapView.getMapAsync {
it.setStyle(Style.MAPBOX_STREETS)
}
}
override fun onStart() {
super.onStart()
mapView.onStart()
}
override fun onResume() {
super.onResume()
mapView.onResume()
}
override fun onPause() {
super.onPause()
mapView.onPause()
}
override fun onStop() {
super.onStop()
mapView.onStop()
}
override fun onLowMemory() {
super.onLowMemory()
mapView.onLowMemory()
}
override fun onDestroy() {
super.onDestroy()
mapView.onDestroy()
}
override fun onSaveInstanceState(outState: Bundle?) {
super.onSaveInstanceState(outState)
outState?.let {
mapView.onSaveInstanceState(it)
}
}
class OverlayView(context: Context) : View(context) {
private lateinit var paint: Paint
@SuppressLint("DrawAllocation") // only happens once
override fun onDraw(canvas: Canvas?) {
super.onDraw(canvas)
canvas?.let {
if (!::paint.isInitialized) {
paint = Paint()
paint.color = Color.BLACK
paint.strokeWidth = 1.0f
paint.style = Paint.Style.FILL_AND_STROKE
paint.shader = RadialGradient(width / 2.0f, height / 2.0f,
height / 3.0f, Color.TRANSPARENT, Color.BLACK, Shader.TileMode.CLAMP)
}
it.drawRect(0.0f, 0.0f, width.toFloat(), height.toFloat(), paint)
}
}
}
}
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