Android-The method findViewById (int) is undefined for the type ContactMainFragment error, androidfragment

Android-The method findViewById (int) is undefined for the type ContactMainFragment error, androidfragment

 

    @Override    public void onViewCreated(View view, Bundle savedInstanceState) {        super.onViewCreated(view, savedInstanceState);                mTitleNameView = (TextView) findViewById(R.id.ivTitleName);        mTitleNameView.setVisibility(View.VISIBLE);        mTitleNameView.setText(R.string.company_name);

Tip: It indicates that the corresponding component cannot be found and the component ID cannot be obtained.

Solution: add view.

mTitleNameView = (TextView) view.findViewById(R.id.ivTitleName);

 

MTextView01 = (TextView) findViewById (RidmyTextView01); // The method findViewById (int) in the type

Check myTextView01 in your layout file. Is this component correct. From the error information, R. id. myTextView01 is considered as an Object rather than an int type. You can easily paste your layout file.

The method RemoveCallBacks (Runnable) is undefined for the type Handler

The main thread can capture the Message of the thread.
To refresh the UI thread in another thread, you must notify the UI thread to update the thread in this way.