一：软键盘自动弹出。

private EditText top_middle;//输入框

//-------------------------------------弹出软键盘-----------------------------------

top_middle.setFocusable(true);

top_middle.setFocusableInTouchMode(true);

top_middle.requestFocus();

InputMethodManager inputManager =

(InputMethodManager) top_middle.getContext().getSystemService(

Context.INPUT_METHOD_SERVICE);

inputManager.showSoftInput(top_middle, 0);

Timer timer = new Timer();

timer.schedule(new TimerTask()

{

public void run()

{

InputMethodManager inputManager =

(InputMethodManager) top_middle.getContext().getSystemService(

Context.INPUT_METHOD_SERVICE);

inputManager.showSoftInput(top_middle, 0);

}

},

998);

二：软键盘自动关闭。

//-----------------------------------软键盘自动关闭----------------------------------------

InputMethodManager imm = (InputMethodManager) this.getSystemService(Context.INPUT_METHOD_SERVICE);

imm.hideSoftInputFromWindow(top_middle.getWindowToken(), 0);

三：对话框中软键盘自动弹出和关闭。

//--------------------------------对话框中自动弹出和关闭-----------------------------------

getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);