Java MapView.getWidth方法代碼示例

import com.google.android.maps.MapView; //導入方法依賴的package包/類
@Override
public boolean draw(Canvas canvas, MapView mapView, boolean shadow, long when) {
  if (overlayImage == null || overlayImage.isRecycled()) {
    return false;
  }
  float x = mapView.getWidth() / 2f;
  float y = mapView.getHeight() / 2f;

  imageMatrix.reset();
  imageMatrix.postTranslate(-centerX + x, -centerY + y);
  imageMatrix.postRotate(rotation, x, y);
  imageMatrix.postScale(scale, scale, x, y);

  canvas.drawBitmap(overlayImage, imageMatrix, transparency);

  // Draw small black ring with white edge to indicate center point
  centerPaint.setColor(0xffffffff);
  centerPaint.setStrokeWidth(4f);
  canvas.drawCircle(x, y, 5, centerPaint);
  centerPaint.setColor(0xff000000);
  centerPaint.setStrokeWidth(2f);
  canvas.drawCircle(x, y, 5, centerPaint);

  return false;
}
 

import com.google.android.maps.MapView; //導入方法依賴的package包/類
@Override
protected void animateTo(int index, GeoPoint center) {
	if (manager != null) {
		manager.markSelected();
	}
	MapView mapView = getMapView();
	ViewController controller = new ViewController(mapView);
	Point pt = new Point(mapView.getWidth() / 2, mapView.getHeight() / 2);
	int spanLat = bounds.top - bounds.bottom;
	int spanLon = bounds.left - bounds.right;
	controller.animateTo(center, pt, spanLat, spanLon, animate);
}
 

import com.google.android.maps.MapView; //導入方法依賴的package包/類
@Override
protected void animateTo(int index, GeoPoint center) {
	if (manager != null) {
		manager.markSelected();
	}
	MapView mapView = getMapView();
	ViewController controller = new ViewController(mapView);
	Point pt = new Point(mapView.getWidth() / 2, mapView.getHeight() / 4 * 3);
	controller.animateTo(center, pt, MIN_ZOOM_LEVEL + 1, true);
}
 

import com.google.android.maps.MapView; //導入方法依賴的package包/類
@Override
protected void animateTo(int index, GeoPoint center) {
	if (manager != null) {
		manager.markSelected();
	}
	MapView mapView = getMapView();
	ViewController controller = new ViewController(mapView);
	Point pt = new Point(mapView.getWidth() / 2, mapView.getHeight() / 4 * 3);
	controller.animateTo(center, pt, MIN_ZOOM_LEVEL + 1, animate);
}
 

import com.google.android.maps.MapView; //導入方法依賴的package包/類
@Override
public boolean onTouchEvent(MotionEvent event, MapView mapView) {

	if (directions == null)
		return super.onTouchEvent(event, mapView);

	Point center = new Point(mapView.getWidth() / 2, mapView.getHeight() / 2); // simple calc of center pixel

	int closestDir = curDir; // assume its the same
	double bestMin = Double.MAX_VALUE; // closest direction so far

	// the algorithm is as follows: find the shortest distance from the
	// center
	// of the screen to each direction. Then, change to the direction that
	// is
	// closest to the center

	for (int i = 0; i < directions.length; i++) {
		Point[] dirPixelPoints = pixelPoints[i];
		if (directions[i].getType() == Direction.SAME_FLOOR) {
			double avgDist = (DrawingHelpers.distance(dirPixelPoints[0],center)
					+ DrawingHelpers.distance(dirPixelPoints[dirPixelPoints.length / 2],center) + DrawingHelpers.distance(
					dirPixelPoints[dirPixelPoints.length - 1], center)) / 2.0;
			if (avgDist < bestMin) {
				bestMin = avgDist;
				closestDir = i;
			}
		}
	}

	// only changes the direction if the direction being automatically
	// switched to is and outside direction
	if (curDir != closestDir && // inefficient to setui if we don't need to
			app.campus.buildingIsOutside(directions[closestDir].getBuilding()) && // only change if moving between outside points
			app.campus.buildingIsOutside(directions[curDir].getBuilding())) {
		if (main != null) {
			main.setUI(closestDir, false); // calling this, we set the bitmaps + the icons
		} else {
			main.setUI(closestDir, false);
		}
	}
	return super.onTouchEvent(event, mapView); // not stealing the event
}