android 键盘显示与隐藏

android 键盘显示与隐藏
InputMethodManager imm = (InputMethodManager)getSystemService(SendActivity.this.INPUT_METHOD_SERVICE);
隐藏键盘
imm.hideSoftInputFromWindow(editText.getWindowToken(), 0);
显示键盘
imm.showSoftInput(editText, 0);