android 关闭/开启软件键盘（hideSoftKeyboard）

/**
* 隐藏软键盘
* @param v
*/
public static void hideSoftKeyboard(View v) {
InputMethodManager imm = (InputMethodManager) v.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
}

/**
* 开启软键盘
* @param v
*注：当软盘关闭时自动弹出
*/
public static void showSoftKeyboard(View v) {
InputMethodManager imm = (InputMethodManager) v.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
imm.toggleSoftInput(InputMethodManager.SHOW_IMPLICIT, InputMethodManager.HIDE_NOT_ALWAYS);
}

public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Timer timer = new Timer();
timer.schedule(new TimerTask() {
@Override
public void run() {
//此处EditText获得焦点或者软键盘弹出操作
InputMethodManager imm = InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
imm.toggleSoftInput(InputMethodManager.SHOW_IMPLICIT, InputMethodManager.HIDE_NOT_ALWAYS);
}
}, 1000);  //在一秒后操作