点击空白区域隐藏软键盘输入法

mManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
@Override
public boolean onTouchEvent(MotionEvent event) {
if(event.getAction() == MotionEvent.ACTION_DOWN){
if(getCurrentFocus()!=null && getCurrentFocus().getWindowToken()!=null){
mManager.hideSoftInputFromWindow(getCurrentFocus().getWindowToken(),
InputMethodManager.HIDE_NOT_ALWAYS);    }   }
return super.onTouchEvent(event);
}