学步园

http://hi.baidu.com/taishan2270/item/ac6740022276a88e02ce1b91

http://www.eoeandroid.com/thread-157446-1-1.html

//Show soft-keyboard:
getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
//hide keyboard :
 getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);

/* click button */
public void onClick(View view) {      
  /* hide keyboard */
  ((InputMethodManager) getSystemService(Activity.INPUT_METHOD_SERVICE))
      .toggleSoftInput(InputMethodManager.SHOW_IMPLICIT, 0);

  /* start loader to check parameters ... */
}

/* loader finished */
public void onLoadFinished(Loader<Object> loader, Object data) {
    /* parameters not valid ... */

    /* show keyboard */
    ((InputMethodManager) getSystemService(Activity.INPUT_METHOD_SERVICE))
        .toggleSoftInput(0, InputMethodManager.HIDE_IMPLICIT_ONLY);

    /* parameters valid ... */
}

setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                hideSoftKeyBoardOnTabClicked(v);
     }
}

private void hideSoftKeyBoardOnTabClicked(View v) {
        if (v != null && context!=null) {
            InputMethodManager imm = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
            imm.hideSoftInputFromWindow(v.getApplicationWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);
        }
    }

// Close the soft keyboard from a Test
getInstrumentation().sendKeyDownUpSync(KeyEvent.KEYCODE_BACK);

public static void hideSoftKeyboard(Activity activity) {
    InputMethodManager inputMethodManager = (InputMethodManager)  activity.getSystemService(Activity.INPUT_METHOD_SERVICE);
    inputMethodManager.hideSoftInputFromWindow(activity.getCurrentFocus().getWindowToken(), 0);
}

findViewById(android.R.id.content).setOnTouchListener(new OnTouchListener() {
    @Override
    public boolean onTouch(View v, MotionEvent event) {
        Utils.hideSoftKeyboard(activity);
        return false;
    }
});

public static void hideSoftKeyboard(Activity activity) {
    InputMethodManager inputMethodManager = (InputMethodManager)  activity.getSystemService(Activity.INPUT_METHOD_SERVICE);
    inputMethodManager.hideSoftInputFromWindow(activity.getCurrentFocus().getWindowToken(), 0);
}