mainEditText.addTextChangedListener(new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence charSequence, int i, int i2, int i3) {}

            @Override
            public void onTextChanged(CharSequence charSequence, int i, int i2, int i3) {}

            @Override
            public void afterTextChanged(Editable editable) {
                if (editable.length() > 1 && (editable.charAt(editable.length() - 1) == '\n')) {
                    String name = mainEditText.getText().toString().trim();
                    if (name.length() > 0)
                        updateNames(name);
                }
            }
        });

    private void updateNames(String name) {
        name = capitilise(name);
        // Take what was typed into the EditText and use in TextView
        mainTextView.setText(name + " is learning Android development bitches!");

        // Also add that value to the list shown in the Listview
        mNameList.add(name);
        mArrayAdapter.notifyDataSetChanged();

        // Remove content from EditText
        mainEditText.setText("");

        // The text you'd like to share has changed, and you need to update
        setShareIntent();
    }


    @Override
    public void onClick(View view) {
        String name = mainEditText.getText().toString().trim();
        if (name.length() > 0) {
            updateNames(name);
        }
    }