##Overlay popup
The key file in this example is follower-canvas which applies the styling and draws the popup using canvas on the map. There is additional fallback support for IE < 9 by using Vector Markup Language, or vml.
| import android.os.Bundle | |
| import androidx.activity.ComponentActivity | |
| import androidx.activity.compose.setContent | |
| import androidx.compose.animation.core.Animatable | |
| import androidx.compose.animation.core.Spring | |
| import androidx.compose.animation.core.VectorConverter | |
| import androidx.compose.animation.core.spring | |
| import androidx.compose.foundation.BorderStroke | |
| import androidx.compose.foundation.gestures.awaitFirstDown | |
| import androidx.compose.foundation.gestures.forEachGesture |