How to make custom Tiles in android google maps

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Android's Google Maps api v2 provides a TileOverlay to which TileProviders can be added. A TileProvider will generate a Tile object given the lat, long, and depth. In order to make a tile, one must give it width (easy), height (easy), and an image represented as a byte array (confusing me). If I wanted to 'draw' a simple object and then turn it into a byte array, how would I do this?

For instance I am looking for something that looks like

Canvas canvas = new canvas();
...
canvas.drawRect(); //Or something like this (just an example)
...
byte[] bytes = canvas.SomeConversionFunctionOrProcessThatIDontKnow();
return new Tile(1,1,bytes);
public byte[] getByteArray (String image) throws IOException {
 File yourImg = new File(image);
 BufferedImage bufferedImage = ImageIO.read(yourImg);
 WritableRaster wRaster = bufferedImage .getRaster();
 DataBufferByte data   = (DataBufferByte) wRaster.getDataBuffer();

 return data.getData();
}

This should do the trick ; )

Custom tiles in Google Maps · GitHub, public byte[] getByteArray (String image) throws IOException { File yourImg = new File(image); BufferedImage bufferedImage  As for custom tile overlays, the Google API offers the ability to place transparent overlays on top of base layer maps. Using MapBox you can make the “World Print” your default base layer, set the

Tile#data should be compressed image data in one of the supported image formats. In other words, the raw contents of an image file. If you already have a decoded Bitmap, use Bitmap#compress(...) to write it to a ByteArrayOutputStream, then get the byte[] from that.

How to make custom Tiles in android google maps, I'm looking for a way to use custom map tiles with the Google Map API V2 for Android. I'm writing an application that will create it's own maps in  The simplest and most common way of creating a tile overlay is to provide a URL pointing to the relevant tile image. UrlTileProvider is a partial implementation of TileProvider that provides image

Bitmap bitmap = Bitmap.createBitmap(TILE_DIMENSION, TILE_DIMENSION,Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(bitmap);
......
//draw something
......
Tile tile = convertBitmap(bitmap);
bitmap.recycle();
return tile;
}

private Tile convertBitmap(Bitmap bitmap){
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    bitmap.compress(Bitmap.CompressFormat.PNG, 100, stream);
    byte[] bitmapData = stream.toByteArray();

    return new Tile(TILE_DIMENSION, TILE_DIMENSION, bitmapData);
}

Using custom map tiles with Google Map API V2 for Android , MapBox now has an easy embed feature that supports Google Maps and allows you to put maps on any webpage or CMS — including Drupal. I'm looking for a way to use custom map tiles with the Google Map API V2 for Android. I'm writing an application that will create it's own maps in real time with data that are comming from a robot. The application need to show to the operator this map.

Adding Custom MapBox Tiles to Google Maps in Ten Minutes, Customizing markers and use android google maps overlay example retrieves tiles loaded yet! Registration to place a series of android google tile overlay  Teams. Q&A for Work. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information.

Android Google Maps Tile Overlay Example, You can use HERE Android SDK to enhance maps with custom raster tiles. own custom raster tile images, you need to have a scheme for dividing your map​  An example showing how to use custom tiles with the Google Maps JS API. ️ Live demo. Instructions (1) Sign into the Google Cloud Platform Console, or create a new account. (2) Create a new project. (3) In the console, open: Menu (☰) → API Manager → Library. Select the Google Maps JavaScript API and choose Enable.

Custom Raster Tiles, Tiles makes use of the new Quick Settings Tile API (https://developer.android.​com/about/versions/nougat/android-7.0.html#tile_api) to provide new tiles that can  An example showing how to use custom tiles with the Google Maps JS API. ️ Live demo. Instructions (1) Sign into the Google Cloud Platform Console, or create a new account. (2) Create a new project. (3) In the console, open: Menu (☰) → API Manager → Library. Select the Google Maps JavaScript API and choose Enable.

Comments
  • Is there a way to draw an image manually (using drawOval, drawRect type functions) and then convert it to a byte[]?
  • When you use Graphics in Java, do you save the result into a BufferedImage? If you do so, you should try the same code, starting with "WritableRaster" and try. I don't really have a better solution ;)
  • So to be clear, I create a new BufferedImage, obtain a Graphics object from it, then use the Graphics' functions such as drawRect(), etc to form the image, and then use bufferedImage.getRaster().getDataBuffer().getData() to obtain a byte array? Thanks!
  • That's the approach, but to make things clear, I do not know if it will work. O: ). Tell me if it does, and if not, we'll try to find another solution.
  • This won't do the trick. Android.getAvailableLibs().equals(JavaSE.getAvailableLibs()) returns false.