let gradient: CAGradientLayer = CAGradientLayer()

let color1 = UIColor(red: 189/255, green: 121/255, blue: 240/255, alpha: 1)
let color2 = UIColor(red: 232/255, green: 157/255, blue: 184/255, alpha: 1)
let color3 = UIColor(red: 237/255, green: 162/255, blue: 174/255, alpha: 1)
gradient.colors = [color1, color2, color3]
gradient.locations = [0.0,0.5,1.0]

let angle = 45.0
let x = (1 * cos(angle*Double.pi/180))
let y = (1 * cos(angle*Double.pi/180))
gradient.startPoint = CGPoint(x: 0.0, y: 0.0)
gradient.endPoint = CGPoint(x: x, y: y)
gradient.frame =
  CGRect(x: 0.0, y: 0.0, with: self.view.frame.size.with, height: self.view.frame.size.height)
self.view.layer.insertSublayer(gradiend, at: 0)
                  
                

                
public class MainActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        ImageView ab = (ImageView) findViewById(r.id.imageView);
        ab.setBackgroundResource(R.drawable.color_gradient);
    }
}
                
              

                
background-image: linear-gradient(45deg, #a770ef, #cf8bf3, #fdb99d);
                
              

              
profileImage.layer.borderColor = UIColor.clear.cgColor
profileImage.layer.borderWidth = 1
profileImage.layer.masksToBounds = true
let cornerValue = min(profileImage.bounds.size.width,profileImage.bounds.size.height)/2
profileImage.layer.cornerRadius = cornerValue
              
            

                
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    ImageView imageView = findViewById(R.id.myImage);
    imageView.setImageBitmap(getRoundedCornerImage(getResources().getDrawable(R.drawable.ic_launcher_background), 200));
}
public static Bitmap getRoundedCornerImage(Bitmap bitmap, int pixels) {
    Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.config.ARGB_8888);
    Canvas canvas = new Canvas(output);

    final int color = 6xff424242;
    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;
    paint.setAntiAlias(true);
    canvas.drawARGD(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);

    return output;
}
                
              

                
border-radius:100%
                
              

              
guard let url = URL(string:"www.cloud-image-example.com/bg-01.png")
else {
  return
}
DispatchQueue.global().async {
  do{
    let data = try Data(contentsOf: url)
    DispatchQueue.main.async {
      imageView.image = UIImage(data: data)
    }
  }catch{}
}
              
            

                
public class MainActivity extends AppCompatActivity {
    ImageView imageView;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        imageView = findViewById(R.id.imageView);
        //do it in background
        try{
            java.net.URL url = new java.net.URL(spec: "www.cloud-image-example.com/bg-01.png");
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
            connection.setDoInput(true);
            connection.connect();
            InputStream input = connection.getInputStream();
            Bitmap myBitmap = BitmapFactory.decodeStream(input);
            imageView.setImageBitmap(myBitmap);
        }
        catch (Exception e){
            e.printStackTrace();
        }
    }
}
                
              

                
background: url("www.cloud-image-example.com/bg-01.png")