public TileView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
mTileCanvasViewGroup = new TileCanvasViewGroup(context);
addView(mTileCanvasViewGroup);
mCompositePathView = new CompositePathView(context);
addView(mCompositePathView);
mScalingLayout = new ScalingLayout(context);
addView(mScalingLayout);
mMarkerLayout = new MarkerLayout(context);
addView(mMarkerLayout);
mCalloutLayout = new CalloutLayout(context);
addView(mCalloutLayout);
mDetailLevelManager.setDetailLevelChangeListener(this);
mTileCanvasViewGroup.setTileRenderListener(this);
addZoomPanListener(this);
mRenderThrottleHandler = new RenderThrottleHandler(this);
requestRender();
}
/**
* Allows the use of a custom {@link DetailLevelManager}.
* <p>
* For example, to change the logic of {@link DetailLevel} choice for a given scale, you
* declare your own {@code DetailLevelMangerCustom} that extends {@link DetailLevelManager} :
* <pre>{@code
* private class DetailLevelManagerCustom extends DetailLevelManager{
* @literal @Override
* public DetailLevel getDetailLevelForScale(){
* // your logic here
* }
* }
* }
* </pre>
* Then you should use {@code TileView.setDetailLevelManager} before other method calls, especially
* {@code TileView.setSize} and {@code TileView.addDetailLevel}.
* </p>
*
* @param manager The DetailLevelManager instance used.
*/
public void setDetailLevelManager(DetailLevelManager manager) {
mDetailLevelManager = manager;
mDetailLevelManager.setDetailLevelChangeListener(this);
}