Intent intent2 = new Intent(Intent.ACTION_VIEW, Uri.parse("https://vncoder.vn/"));
                startActivity(intent2);

static final String ACTION_TIMETRAVEL = "com.example.action.TIMETRAVEL";

public void sendByExtra(){
        Intent intent = new Intent(ActivityA.this,ActivityB.class);
        intent.putExtra(TITLE,edtTitle.getText().toString());
        intent.putExtra(DESCRIPTION,edtDescription.getText().toString());
        startActivity(intent);
    }

public void sendByBundle(){
        Intent intent = new Intent(ActivityA.this,ActivityB.class);
        Bundle bundle = new Bundle();
        bundle.putString(TITLE,edtTitle.getText().toString());
        bundle.putString(DESCRIPTION,edtDescription.getText().toString());
        intent.putExtras(bundle); 
        //intent.putExtra(BUNDLE,bundle);(hoặc) 
        startActivity(intent);
    }

Intent intent = new Intent(Intent.ACTION_SEND); 
intent.setType("text/plain");
intent.putExtra(android.content.Intent.EXTRA_TEXT,"News for you!"); 
startActivity(intent);

public void onClick(View view) {
            Intent i = new Intent(this,ActivityTow.class);
            i.putExtra("value1","This value one for activityTow");
            i.putExtra("Value2", "This value two ActivityTwo");
                    // set the request code to any code you like,
                    // you can identify the callback via this code
                    startActivityForResult(i, REQUEST_CODE);
        }

@Override
        public void finish() {
            // Prepare data intent
            Intent data = new Intent();
            data.putExtra("returnKey1", "Swinging on a star. ");
            data.putExtra("returnKey2", "You could be better then you are. ");
            // Activity finished ok, return the data
            setResult(RESULT_OK, data);
            super.finish();
        }

@Override
        protected void onActivityResult(int requestCode, int resultCode, Intent data) {
            if (resultCode == RESULT_OK && requestCode == REQUEST_CODE) {
                if (data.hasExtra("returnKey1")) {
                    Toast.makeText(this, data.getExtras().getString("returnKey1"),
                    Toast.LENGTH_SHORT).show();
                }
            }
        }