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내 주 Java 파일을 통해 오버레이를 호출하고 geopoint를 전달하는 것보다 선이 너무 가까이에 나타나지 않습니다. 상단 모서리에서 시작하여 화면 가운데로 이동합니다.geopoint에 따라 선이 오지 않습니다
는 Java1을 :
public class TourmapActivity extends MapActivity {
private MapView mapView;
private MyOverlay myOverlay;
private List<Overlay> mapOverlays;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mapView = (MapView) findViewById(R.id.mapview);
mapView.setBuiltInZoomControls(true);
mapOverlays = mapView.getOverlays();
myOverlay = new MyOverlay(mapView);
mapOverlays.add(myOverlay);
}
@Override
protected boolean isRouteDisplayed() {
// TODO Auto-generated method stub
return false;
}
}
자바 2 : 공용 클래스 MyOverlay가 오버레이를 확장 {
private Point point1;
private Point point2;
private Projection projection;
public MyOverlay(MapView mapView){
projection = mapView.getProjection();
}
public void draw(Canvas canvas, MapView mapView, boolean shadow){
super.draw(canvas, mapView, shadow);
Paint paint = new Paint();
paint.setDither(true);
paint.setColor(Color.BLUE);
paint.setStyle(Paint.Style.FILL_AND_STROKE);
paint.setStrokeJoin(Paint.Join.ROUND);
paint.setStrokeCap(Paint.Cap.ROUND);
paint.setStrokeWidth(2);
point1 = new Point();
point2 = new Point();
Path path = new Path();
//43.26082327999097, -79.92047309875488 jhe
float longitude = 43.26082327999097f; // first point
float latitude = -79.92047309875488f;
//43.26347189172956, -79.91776943206787 student center
float longitude_1 = 43.26347189172956f; // second point
float latitude_1 = -79.91776943206787f;
GeoPoint geoPoint1 = new GeoPoint((int)(longitude * 1E6), (int)(latitude * 1E6));
GeoPoint geoPoint2 = new GeoPoint((int)(longitude_1 * 1E6), (int)(latitude_1* 1E6));
projection.toPixels(geoPoint1, point1);
projection.toPixels(geoPoint2, point2);
path.lineTo(point1.x, point1.y);
path.lineTo(point2.x, point2.y);
canvas.drawPath(path, paint);
}
}