Question

位图图像不是drawing.i不明白为什么图像被绘制为谷歌地图中的标记。还有其他方法可以自定义谷歌地图标记作为图像我无法理解图像是否正在加载

final LatLng MELBOURNE = new LatLng(-37.813, 144.962);

            final URL url = new URL(
                    "http://indervilla.com/home/Mickey-Mouse-Cartoon-HD.jpg");
            HttpURLConnection conn = (HttpURLConnection) url.openConnection();
            conn.setDoInput(true);
            conn.connect();
            InputStream is = conn.getInputStream();
            Bitmap bmImg = BitmapFactory.decodeStream(is);

            Bitmap.Config conf = Bitmap.Config.ARGB_8888;
            Bitmap bmp = Bitmap.createBitmap(80, 80, conf);
            Canvas canvas1 = new Canvas(bmp);

            // paint defines the text color,
            // stroke width, size
            Paint color = new Paint();
            color.setTextSize(20);
            color.setColor(Color.RED);
            color.setStrokeWidth(10);

            // modify canvas
            canvas1.drawBitmap(bmImg, -10, -10, color);


            // add marker to Map
            googleMap.addMarker(new MarkerOptions().position(MELBOURNE)
                    .icon(BitmapDescriptorFactory.fromBitmap(bmp))
                    // Specifies the anchor to be at a particular point in the
                    // marker image.
                    .anchor(.5f, 1));

            CameraPosition cameraPosition = new CameraPosition.Builder()
                    .target(new LatLng(-37.813, 144.962)).zoom(15).build();

            googleMap.animateCamera(CameraUpdateFactory
                    .newCameraPosition(cameraPosition));

        } catch (Exception e) {
            e.printStackTrace();
        }

    }

    @Override
    protected void onResume() {
        super.onResume();
        initilizeMap();
    }

    /**
     * function to load map If map is not created it will create it for you
     * */
    private void initilizeMap() {
        if (googleMap == null) {
            googleMap = ((MapFragment) getFragmentManager().findFragmentById(
                    R.id.map)).getMap();

            // check if map is created successfully or not
            if (googleMap == null) {
                Toast.makeText(getApplicationContext(),
                        "Sorry! unable to create maps", Toast.LENGTH_SHORT)
                        .show();
            }
        }
    }

}

Answer 1

我建议你看一下Maps Utils Library。它有很多简洁的功能，包括相对简单的自定义Marker创建和插入GoogleMap。

自定义标记图像不显示在谷歌地图中

1 个答案: