Android : Marker with outer border and pointing triangle.

For something like below, the code is given


import android.graphics.Bitmap;
import android.graphics.BitmapShader;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.RectF;
import android.graphics.Shader;

import sample.R;

public class BubbleTransformation implements com.squareup.picasso.Transformation {
    private static final int outerMargin = 5;
    private final int margin;  // dp

    // margin is the board in dp
    public BubbleTransformation(final int margin) {
        this.margin = margin;
    }

    @Override
    public Bitmap transform(final Bitmap source) {
        Bitmap output = Bitmap.createBitmap(source.getWidth(), source.getHeight(), Bitmap.Config.ARGB_8888);
        Canvas canvas = new Canvas(output);

        Paint paintBorder = new Paint();
        paintBorder.setColor(Color.DKGRAY);
        paintBorder.setStrokeWidth(margin);
        canvas.drawRoundRect(new RectF(outerMargin, outerMargin, source.getWidth() - outerMargin, source.getHeight() - outerMargin), 0, 0, paintBorder);

        Paint trianglePaint = new Paint(Paint.ANTI_ALIAS_FLAG);

        trianglePaint.setStrokeWidth(2);
        trianglePaint.setColor(Color.DKGRAY);
        trianglePaint.setStyle(Paint.Style.FILL_AND_STROKE);
        trianglePaint.setAntiAlias(true);

        Path triangle = new Path();
        triangle.setFillType(Path.FillType.EVEN_ODD);
        triangle.moveTo(outerMargin, source.getHeight() / 2);
        triangle.lineTo(source.getWidth()/2,source.getHeight());
        triangle.lineTo(source.getWidth()-outerMargin,source.getHeight()/2);
        triangle.close();

        canvas.drawPath(triangle, trianglePaint);

        final Paint paint = new Paint();
        paint.setAntiAlias(true);
        paint.setShader(new BitmapShader(source, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP));
        canvas.drawRoundRect(new RectF(margin+outerMargin, margin+outerMargin, source.getWidth() - (margin + outerMargin), source.getHeight() - (margin + outerMargin)), 0, 0, paint);

        if (source != output) {
            source.recycle();
        }

        return output;
    }

    @Override
    public String key() {
        return "rounded";
    }
}

String user_photo_url = "https://s3-ap-southeast-2.amazonaws.com/testuser.com/test_img.png";

        Picasso.with(this)

                .load(user_photo_url)

                .resize(100,100)

                .centerCrop()

                .transform(new BubbleTransformation(5))

                .into(mTarget);

Target mTarget = new Target() {

        @Override

        public void onBitmapLoaded(Bitmap bitmap, Picasso.LoadedFrom from) {

            Marker driver_marker = mMap.addMarker(new MarkerOptions()

                    .position(new LatLng(12.841747, 77.651758))

                    .icon(BitmapDescriptorFactory.fromBitmap(bitmap))

                    .title("test")

                    .snippet("test address")

            );

            mMap.moveCamera(CameraUpdateFactory.newLatLng(new LatLng(12.841747, 77.651758)));

        }

        @Override

        public void onBitmapFailed(Drawable errorDrawable) {

            Log.d("picasso", "onBitmapFailed");

        }

        @Override

        public void onPrepareLoad(Drawable placeHolderDrawable) {

        }

    };