android - 如何在谷歌地图 v2 的默认标记中绘制文本

Question

我想在 Google map v2 的默认标记中绘制文本。我通过从可绘制对象中获取自己的图像来完成此操作，但如何在默认标记中更改它。

我的代码是

 marker.icon(BitmapDescriptorFactory
          .fromBitmap(drawTextToBitmap(getApplicationContext(), R.drawable.images,"5")));

和drawTextToBitmap方法是。

public static Bitmap drawTextToBitmap(Context gContext,int gResId,String gText) {
    Resources resources = gContext.getResources();
    float scale = resources.getDisplayMetrics().density;
    Bitmap bitmap =
            BitmapFactory.decodeResource(resources, gResId);

    android.graphics.Bitmap.Config bitmapConfig =
            bitmap.getConfig();
    if(bitmapConfig == null) {
        bitmapConfig = android.graphics.Bitmap.Config.ARGB_8888;
    }
    bitmap = bitmap.copy(bitmapConfig, true);

    Canvas canvas = new Canvas(bitmap);
    Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    paint.setColor(Color.BLACK);
    paint.setTextSize((int) (15 * scale));
    paint.setShadowLayer(1f, 0f, 1f, Color.WHITE);

    Rect bounds = new Rect();
    paint.getTextBounds(gText, 0, gText.length(), bounds);
    int x = (bitmap.getWidth() - bounds.width())/2;
    int y = (bitmap.getHeight() + bounds.height())/2;

    canvas.drawText(gText, x * scale, y * scale, paint);

    return bitmap;
}

我想画那样的文字

Answer 1

1.下载库

github.com/googlemaps/android-maps-utils

2.要使用检查此链接

Using android-maps-utils with ADT

  TextIconGenerator tc = new TextIconGenerator(this);
  Bitmap bmp = tc.makeIcon("hello");

然后将位图设置为贴图对象

  .icon(BitmapDescriptorFactory.fromBitmap(bmp))); 

快照