Android关闭软键盘

/**
* 关闭软键盘
*/
public static void closeFoldUpTheKeyboard(Activity activity) {
InputMethodManager imm = (InputMethodManager) appContext.getSystemService(Context.INPUT_METHOD_SERVICE);
if (imm != null) {
imm.hideSoftInputFromWindow(activity.getWindow().getDecorView().getWindowToken(), 0);
}
}