Clear focus on touch outside for all EditText inputs.

MainActivity.java

public class MainActivity extends Activity
  // ... any code

  /**
   * Clear focus on touch outside for all EditText inputs.
  */
  @Override
  public boolean dispatchTouchEvent(MotionEvent event) {
    if (event.getAction() == MotionEvent.ACTION_DOWN) {
      View v = getCurrentFocus();
      if (v instanceof EditText) {
        Rect outRect = new Rect();
        v.getGlobalVisibleRect(outRect);
        if (!outRect.contains((int)event.getRawX(), (int)event.getRawY())) {
          v.clearFocus();
          InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
          imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
        }
      }
    }
    return super.dispatchTouchEvent( event );
  }
}

Here's the Kotlin implenetation if anyone's interested. Just add it below (or above) the 'onCreate' function and you're set:

    /**
     * Clear focus on touch outside for all EditText inputs.
     */
    override fun dispatchTouchEvent(event: MotionEvent): Boolean {
        if (event.action == MotionEvent.ACTION_DOWN) {
            val v = currentFocus
            if (v is EditText) {
                val outRect = Rect()
                v.getGlobalVisibleRect(outRect)
                if (!outRect.contains(event.rawX.toInt(), event.rawY.toInt())) {
                    v.clearFocus()
                    val imm = getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
                    imm.hideSoftInputFromWindow(v.windowToken, 0)
                }
            }
        }
        return super.dispatchTouchEvent(event)
    }