2010-09-24 40 views
1

我想創建一個MapView類標記與4個要素: - (的用戶)的圖片 - 背景 - 文本(用戶名) - 箭頭以顯示一個方向如何創建一個自定義的android地圖標記?

OverlayItem.setMarker()只接受一個可繪製。

如何創建4個項目的drawable?或者我可以添加視圖作爲標記overlayItem?

有什麼想法?

回答

1

我找到了解決辦法。 我創建了一個BitmapDrawable

下面是代碼

 Bitmap photo = ((BitmapDrawable)mActivity.getResources().getDrawable(R.drawable.user_picture_dummy)).getBitmap(); 

     Bitmap returnedBitmap = Bitmap.createBitmap(Global.dipToPx(40), Global.dipToPx(67), Bitmap.Config.ARGB_8888); 
     Canvas canvas = new Canvas(returnedBitmap); 

     mBackground.setBounds(0, Global.dipToPx(10), canvas.getWidth(), canvas.getHeight()); 
     mBackground.draw(canvas); 

     m.postScale((float)Global.dipToPx(30)/(float)photo.getWidth(), (float)Global.dipToPx(30)/(float)photo.getHeight()); 
     m.postTranslate(Global.dipToPx(5), Global.dipToPx(15)); 
     canvas.drawBitmap(photo, m, paint); 
     m.reset(); 

     canvas.drawText(Global.DateToTimeString(adv.getStartDateMS()), Global.dipToPx(20), Global.dipToPx(10), paint); 

     mat.postRotate((float)bearingTo(adv.getDepGeoPoint(), adv.getArrLocationObj().getGeoPoint()), mDirection.getWidth()/2, mDirection.getHeight()/2); 
     mat.postTranslate(canvas.getWidth()-mDirection.getWidth(), canvas.getHeight()-mDirection.getHeight()-Global.dipToPx(12)); 
     canvas.drawBitmap(mDirection, mat, paint); 
     mat.reset(); 

     BitmapDrawable drawable = new BitmapDrawable(returnedBitmap); 
     boundCenter(drawable); 

     OverlayItem item = new OverlayItem(adv.getDepGeoPoint(), adv.getOwnerObj().getUserName(), adv.getOwnerObj().getUserName()); 
     item.setMarker(drawable); 
+2

我認爲這是** ** inclomplete例如'mat'從哪裏來?它有什麼類型? – Jonas 2010-12-01 15:08:49