1 相关方法:
onCreateOptionsMenu invalidateOptionsMenu与onPrepareOptionsMenu onOptionsItemSelected
2 动态update menu
mActivity.invalidateOptionsMenu() -- invoke ---> onPrepareOptionsMenu
1 相关方法:
onCreateOptionsMenu invalidateOptionsMenu与onPrepareOptionsMenu onOptionsItemSelected
2 动态update menu
mActivity.invalidateOptionsMenu() -- invoke ---> onPrepareOptionsMenu