This hides soft keyboard after clicking outside EditText

hide-keyboard.java

//1. Make the parent view(content view of your activity) clickable and focusable by adding the following attributes
    android:clickable="true" 
    android:focusableInTouchMode="true" 

//2. Implement a hideKeyboard() method
    public void hideKeyboard(View view) {
        InputMethodManager inputMethodManager =(InputMethodManager)getSystemService(Activity.INPUT_METHOD_SERVICE);
        inputMethodManager.hideSoftInputFromWindow(view.getWindowToken(), 0);
    }
//3. set the onFocusChangeListener of your edittext.

    edittext.setOnFocusChangeListener(new View.OnFocusChangeListener() {
        @Override
        public void onFocusChange(View v, boolean hasFocus) {
            if (!hasFocus) {
                hideKeyboard(e);
            }
        }
    });