Map engine written from scratch.

Features

• LRU cache
• multiple layers at the same time
• fast downloading times
• smooth touch gestures
• rotation

Simple example

MainActivity.kt

class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        mapView.mapUrls = arrayOf(object : TileDownloader.LoadURL {
            override val map: String = "landscape"
            override val compressFormat: Bitmap.CompressFormat = Bitmap.CompressFormat.PNG
            override val alpha: Float = 1.0f

            override fun tileExists(layer: Int, row: Int, col: Int): Boolean = true

            override fun getUrl(layer: Int, row: Int, col: Int): String {
                val apiKey: String = "<Insert your api key here>"
                return "https://tile.thunderforest.com/$map/$layer/$col/$row.png?apikey=$apiKey"
            }
        })
    }
}

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<jaakko.leinonen.com.mapview.MapView
    android:id="@+id/mapView"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    xmlns:android="http://schemas.android.com/apk/res/android" />