ViewPager Title doesn't appear until I swipe it

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名媛妹妹
名媛妹妹 2021-01-11 12:41

I am learning to use ViewPager and PagerTabStrip to implement navigation bar. I have implemented it, my problem is: every time I open the app fresh, the titles don\'t show,

4条回答
  •  盖世英雄少女心
    2021-01-11 13:25

    Try this. Its seems to be working for me.

    @Override
    protected void onResume() {
        super.onResume();
        pager.setCurrentItem(1);
        Task.delay(500).continueWith(new Continuation() {
            @Override
            public Object then(Task task) throws Exception {
                pager.setCurrentItem(0);
                return null;
            }
        }, Task.UI_THREAD_EXECUTOR);
    }
    

    onResume set the pager to 1 and then back to 0. This makes the title appear the page loads the first time.

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