android 软件盘打开 关闭

1. 点击按钮关闭软件盘  

   public static void hideSoftInput(Activity acitivity) {
   LogUtil.d("hideSoftInput");
   InputMethodManager imm = (InputMethodManager) acitivity
   .getSystemService(Context.INPUT_METHOD_SERVICE);
   imm.hideSoftInputFromWindow(acitivity.getWindow().getDecorView()
   .getApplicationWindowToken(),
   InputMethodManager.HIDE_NOT_ALWAYS);
   }

2. 指定EditText 弹出软键盘   

   public static void showSoftInput(EditText et) {
   LogUtil.d("showSoftInput");
   et.requestFocus();
   InputMethodManager imm = (InputMethodManager) et.getContext()
   .getSystemService(Context.INPUT_METHOD_SERVICE);
   imm.showSoftInput(et, InputMethodManager.RESULT_UNCHANGED_SHOWN);

   }