Android监听软键盘弹出与收起

android:focusable="true"
android:focusableInTouchMode="true"

editText = (EditText) view.findViewById(R.id.editText);
editText.setOnFocusChangeListener(new View.OnFocusChangeListener()
{
public void onFocusChange(View v, boolean hasFocus)
{
if (hasFocus)
{
init = true;
}
}
});

rootLayout.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener()
{
public void onGlobalLayout()
{
if (init)
{
if (isKeyboardShown(editText.getRootView()))
{
// Do something when keyboard is shown
}
else
{
// Do something when keyboard is hidden
}
}
}
});

private boolean isKeyboardShown(View rootView)
{
final int SOFT_KEYBOARD_HEIGHT_DP_THRESHOLD = 128;

Rect r = new Rect();
rootView.getWindowVisibleDisplayFrame(r);
int heightDiff = rootView.getBottom() - r.bottom;

return heightDiff > ViewUtils.dpToPixel(SOFT_KEYBOARD_HEIGHT_DP_THRESHOLD);
}