Utils.java

package com.ved.musicmapapp.utils;

import java.util.List;
import java.util.Locale;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.PorterDuffXfermode;
import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.Bitmap.Config;
import android.graphics.PorterDuff.Mode;
import android.location.Address;
import android.location.Geocoder;

public class Utils {
	//Distance KM
	public static double distance(double lat1, double lon1, double lat2,
			double lon2) {
		double theta = lon1 - lon2;
		double dist = Math.sin(Math.toRadians(lat1))
				* Math.sin(Math.toRadians(lat2))
				+ Math.cos(Math.toRadians(lat1))
				* Math.cos(Math.toRadians(lat2))
				* Math.cos(Math.toRadians(theta));
		dist = Math.acos(dist);
		dist = Math.toDegrees(dist);
		dist = dist * 60 * 1.1515  * 1.609344;
		return (dist);
	}
	public static Bitmap getRoundedCornerBitmap(Bitmap bitmap, int pixels) {
		int h = bitmap.getHeight();
		Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Config.ARGB_8888);
		Canvas canvas = new Canvas(output);

		final int color = 0xff424242;
		final Paint paint = new Paint();
		final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
		final RectF rectF = new RectF(rect);
		//final float roundPx = pixels;
		float roundPx = 10;
		if(h < 100)
			roundPx = 10;
		else if(h >100 && h < 200)
			roundPx = 20;
		else if(h >= 200)
			roundPx = 30;
		paint.setAntiAlias(true);
		canvas.drawARGB(0, 0, 0, 0);
		paint.setColor(color);
		canvas.drawRoundRect(rectF, roundPx, roundPx, paint);

		paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
		canvas.drawBitmap(bitmap, rect, rect, paint);

		return output;
	}
	
	public static Bitmap getRoundedCornerBitmap(Context context, Bitmap input, int pixels , int w , int h , boolean squareTL, boolean squareTR, boolean squareBL, boolean squareBR  ) {

	    Bitmap output = Bitmap.createBitmap(w, h, Config.ARGB_8888);
	    Canvas canvas = new Canvas(output);
	    final float densityMultiplier = context.getResources().getDisplayMetrics().density;

	    final int color = 0xff424242;
	    final Paint paint = new Paint();
	    final Rect rect = new Rect(0, 0, w, h);
	    final RectF rectF = new RectF(rect);

	    //make sure that our rounded corner is scaled appropriately
	    final float roundPx = pixels*densityMultiplier;

	    paint.setAntiAlias(true);
	    canvas.drawARGB(0, 0, 0, 0);
	    paint.setColor(color);
	    canvas.drawRoundRect(rectF, roundPx, roundPx, paint);


	    //draw rectangles over the corners we want to be square
	    if (squareTL ){
	        canvas.drawRect(0, 0, w/2, h/2, paint);
	    }
	    if (squareTR ){
	        canvas.drawRect(w/2, 0, w, h/2, paint);
	    }
	    if (squareBL ){
	        canvas.drawRect(0, h/2, w/2, h, paint);
	    }
	    if (squareBR ){
	        canvas.drawRect(w/2, h/2, w, h, paint);
	    }

	    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
	    canvas.drawBitmap(input, 0,0, paint);

	    return output;
	}
	
	public static String getCountryName(Context context, double latitude, double longitude) {
	    Geocoder geocoder = new Geocoder(context, Locale.getDefault());
	    List<Address> addresses = null;
	    try {
	        addresses = geocoder.getFromLocation(latitude, longitude, 1);
	        Address result;

	        if (addresses != null && !addresses.isEmpty()) {
	            return addresses.get(0).getCountryCode();
	        }
	       
	    } catch (Exception ignored) {
	    	ignored.printStackTrace();
	       //do something
	    }
	    return null;
	}
}