FeedsActivity.java 文件源码

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_feeds);

    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);

    ViewPager viewPager = (ViewPager) findViewById(R.id.feeds_view_pager);
    FeedsPagerAdapter adapter = new FeedsPagerAdapter(getSupportFragmentManager());
    adapter.addFragment(PostsFragment.newInstance(PostsFragment.TYPE_HOME), "HOME");
    adapter.addFragment(PostsFragment.newInstance(PostsFragment.TYPE_FEED), "FEED");
    viewPager.setAdapter(adapter);
    viewPager.setCurrentItem(1);
    TabLayout tabLayout = (TabLayout) findViewById(R.id.feeds_tab_layout);
    tabLayout.setupWithViewPager(viewPager);

    mFab = (FloatingActionButton) findViewById(R.id.fab);
    mFab.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            FirebaseUser user = FirebaseAuth.getInstance().getCurrentUser();
            if (user == null || user.isAnonymous()) {
                Toast.makeText(FeedsActivity.this, "You must sign-in to post.", Toast.LENGTH_SHORT).show();
                return;
            }
            Intent newPostIntent = new Intent(FeedsActivity.this, NewPostActivity.class);
            startActivity(newPostIntent);
        }
    });
}