Java Code Examples for com.google.android.material.tabs.TabLayout#addOnTabSelectedListener()

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

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

    mSectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager());

    mViewPager = (ViewPager) findViewById(R.id.container);
    mViewPager.setOffscreenPageLimit(2);
    mViewPager.setAdapter(mSectionsPagerAdapter);

    TabLayout tabLayout = (TabLayout) findViewById(R.id.tabs);

    mViewPager.addOnPageChangeListener(new TabLayout.TabLayoutOnPageChangeListener(tabLayout));
    tabLayout.addOnTabSelectedListener(new TabLayout.ViewPagerOnTabSelectedListener(mViewPager));

}
 

@NonNull
@Override
protected ViewGroup getView() {
    // RecyclerViewPresenter returns a RecyclerView. We inflate it in a bigger container.
    ViewGroup rv = super.getView();
    ViewGroup container = (ViewGroup) LayoutInflater.from(getContext()).inflate(R.layout.male_female_popup, null);
    // Add RecyclerView to our container
    ViewGroup rvContainer = container.findViewById(R.id.recycler_view_container);
    rvContainer.addView(rv, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
    // Set up bar that reacts to clicks and syncs with 'females' boolean
    TabLayout tabLayout = container.findViewById(R.id.tab_layout);
    tabLayout.addTab(tabLayout.newTab().setText("Males"));
    tabLayout.addTab(tabLayout.newTab().setText("Females"));
    //noinspection ConstantConditions
    tabLayout.getTabAt(females ? 1 : 0).select();
    tabLayout.addOnTabSelectedListener(this);
    return container;
}
 

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

    mSectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager());

    // Set up the ViewPager with the sections adapter.
    mViewPager = (ViewPager) findViewById(R.id.container);
    mViewPager.setAdapter(mSectionsPagerAdapter);

    TabLayout tabLayout = (TabLayout) findViewById(R.id.tabs);

    mViewPager.addOnPageChangeListener(new TabLayout.TabLayoutOnPageChangeListener(tabLayout));
    tabLayout.addOnTabSelectedListener(new TabLayout.ViewPagerOnTabSelectedListener(mViewPager));
    tabLayout.setupWithViewPager(mViewPager);

}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    setContentView(R.layout.activity_views);


    mFragments.add(new CircleMenuFragment());

    tabs.add("环形菜单");


    mSectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager());
    mViewPager = (ViewPager) findViewById(R.id.container);
    mViewPager.setAdapter(mSectionsPagerAdapter);
    TabLayout tabLayout = (TabLayout) findViewById(R.id.tabs);
    mViewPager.addOnPageChangeListener(new TabLayout.TabLayoutOnPageChangeListener(tabLayout));
    tabLayout.setupWithViewPager(mViewPager);
    tabLayout.addOnTabSelectedListener(new TabLayout.ViewPagerOnTabSelectedListener(mViewPager));

}
 

/**
 * Init content.
 */
private void init(final Context context) {
    setOrientation(VERTICAL);
    AppCompatDelegate.setCompatVectorFromResourcesEnabled(true);
    LayoutInflater.from(context).inflate(R.layout.transport_mode_panel, this);
    mViewPager = (ViewPager) findViewById(R.id.view_pager);
    mViewPager.setVisibility(GONE);
    mTabLayout = (TabLayout) findViewById(R.id.tab_layout);
    mTabLayout.addOnTabSelectedListener(this);
    mDataSetObserver = new DataSetChangeObserver();
    setAdapter(new SimpleTransportModePanelAdapter(getContext()));
}
 

public void bind(ViewPager viewPager, TabLayout tabLayout,
                 FloatingActionButton navigationFab, FloatingActionButton genericFab) {
    viewPager.setPageMargin(viewPager.getResources().getDimensionPixelOffset(R.dimen.divider));
    viewPager.setPageMarginDrawable(R.color.blackT12);
    viewPager.setOffscreenPageLimit(2);
    viewPager.setAdapter(this);
    tabLayout.setupWithViewPager(viewPager);
    mTabListener = new TabLayout.ViewPagerOnTabSelectedListener(viewPager) {
        @Override
        public void onTabSelected(TabLayout.Tab tab) {
            super.onTabSelected(tab);
            toggleFabs(viewPager.getCurrentItem() == 0, navigationFab, genericFab);
            Fragment fragment = getItem(viewPager.getCurrentItem());
            if (fragment != null) {
                ((LazyLoadFragment) fragment).loadNow();
            }
        }

        @Override
        public void onTabReselected(TabLayout.Tab tab) {
            Fragment fragment = getItem(viewPager.getCurrentItem());
            if (fragment != null) {
                ((Scrollable) fragment).scrollToTop();
            }
        }
    };
    tabLayout.addOnTabSelectedListener(mTabListener);
    viewPager.setCurrentItem(mDefaultItem);
    toggleFabs(mDefaultItem == 0, navigationFab, genericFab);

}
 

protected void setupWithViewPager(@NonNull TabLayout tabLayout, @NonNull ViewPager viewPager) {
    final PagerAdapter adapter = viewPager.getAdapter();
    if (adapter == null) {
        throw new IllegalArgumentException("ViewPager does not have a PagerAdapter set");
    }

    setTabsFromPagerAdapter(tabLayout, adapter, viewPager.getCurrentItem());

    viewPager.getAdapter().registerDataSetObserver(mInternalDataSetObserver);

    viewPager.addOnPageChangeListener(mInternalTabLayoutOnPageChangeListener);
    viewPager.addOnAdapterChangeListener(mInternalOnAdapterChangeListener);

    tabLayout.addOnTabSelectedListener(mInternalOnTabSelectedListener);
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    setTheme(MyApplication.getCurrentAppTheme());
    super.onCreate(savedInstanceState);
    Timber.d("onCreate(): Creating activity");
    // set fixed screen orientation
    if (!ApkUtils.isRunningOnBuggyOreoSetRequestedOrientation(this))
        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
    setContentView(R.layout.main);
    activityView = findViewById(R.id.main_root);
    //setup toolbar
    Toolbar toolbar = (Toolbar) findViewById(R.id.main_toolbar);
    toolbar.setPopupTheme(MyApplication.getCurrentPopupTheme());
    setSupportActionBar(toolbar);
    // setup tabbed layout
    MainActivityPagerAdapter pageAdapter = new MainActivityPagerAdapter(getSupportFragmentManager(), getApplication());
    viewPager = (ViewPager) findViewById(R.id.main_pager);
    viewPager.setAdapter(pageAdapter);
    tabLayout = (TabLayout) findViewById(R.id.main_tab_layout);
    tabLayout.setupWithViewPager(viewPager);

    tabLayout.addOnTabSelectedListener(this);

    backgroundTaskHelper = new BackgroundTaskHelper(this);

    displayNotCompatibleDialog();

    // show latest developer's messages
    displayDevelopersMessages();

    // show introduction
    displayIntroduction();

    processOnStartIntent(getIntent());

    // check for availability of new version
    checkForNewVersionAvailability();

    registerReceiver(airplaneModeBroadcastReceiver, new IntentFilter(Intent.ACTION_AIRPLANE_MODE_CHANGED));
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        batterySaverBroadcastReceiver = new BatterySaverBroadcastReceiver();
        registerReceiver(batterySaverBroadcastReceiver, new IntentFilter(PowerManager.ACTION_POWER_SAVE_MODE_CHANGED));
    }
}
 

@SuppressWarnings("unchecked")
private void initPages() {
    photoPagerModel.readDataList(list ->
            adapters[ProfilePager.PAGE_PHOTO] = new PhotoAdapter(this, list).setItemEventCallback(
                    new PhotoItemEventHelper(
                            this, photoPagerModel, (context, photo) -> downloadPhoto(photo)
                    )
            )
    );

    likesPagerModel.readDataList(list ->
            adapters[ProfilePager.PAGE_LIKE] = new PhotoAdapter(this, list).setItemEventCallback(
                    new PhotoItemEventHelper(
                            this, likesPagerModel, (context, photo) -> downloadPhoto(photo)
                    )
            )
    );

    collectionsPagerModel.readDataList(list ->
            adapters[ProfilePager.PAGE_COLLECTION] = new CollectionAdapter(this, list).setItemEventCallback(
                    new CollectionItemEventHelper(this)
            )
    );

    List<View> pageList = new ArrayList<>(
            Arrays.asList(
                    new UserPhotosView(
                            this,
                            (PhotoAdapter) adapters[ProfilePager.PAGE_PHOTO],
                            ProfilePager.PAGE_PHOTO,
                            this
                    ), new UserPhotosView(
                            this,
                            (PhotoAdapter) adapters[ProfilePager.PAGE_LIKE],
                            ProfilePager.PAGE_LIKE,
                            this
                    ), new UserCollectionsView(
                            this,
                            (CollectionAdapter) adapters[ProfilePager.PAGE_COLLECTION],
                            ProfilePager.PAGE_COLLECTION,
                            this
                    )
            )
    );
    for (int i = 0; i < pageList.size(); i ++) {
        pagers[i] = (PagerView) pageList.get(i);
    }

    String[] userTabs = getResources().getStringArray(R.array.user_tabs);

    List<String> tabList = new ArrayList<>();
    Collections.addAll(tabList, userTabs);
    this.adapter = new PagerAdapter(viewPager, pageList, tabList);

    viewPager.setAdapter(adapter);
    viewPager.setCurrentItem(getCurrentPagerPosition(), false);
    viewPager.addOnPageChangeListener(this);

    TabLayout tabLayout = findViewById(R.id.activity_user_tabLayout);
    tabLayout.setupWithViewPager(viewPager);
    tabLayout.setTabGravity(TabLayout.GRAVITY_FILL);
    tabLayout.addOnTabSelectedListener(new TabLayoutDoubleClickBackToTopPresenter(UserActivity.this::backToTop));

    indicator.setViewPager(viewPager);
    indicator.setAlpha(0f);

    pagerManageModel.getPagerPosition().observe(this, position -> {
        for (int i = ProfilePager.PAGE_PHOTO; i < pageCount(); i ++) {
            pagers[i].setSelected(i == position);
        }

        if (pagerModels[getCurrentPagerPosition()].getListSize() == 0
                && pagerModels[getCurrentPagerPosition()].getListState() != ListResource.State.REFRESHING
                && pagerModels[getCurrentPagerPosition()].getListState() != ListResource.State.LOADING) {
            PagerViewManagePresenter.initRefresh(
                    (PagerViewModel<?>) pagerModels[getCurrentPagerPosition()],
                    adapters[getCurrentPagerPosition()]
            );
        }
    });

    for (int i = ProfilePager.PAGE_PHOTO; i < pageCount(); i ++) {
        int finalI = i;
        pagerModels[i].observeListResource(this, viewModel ->
                PagerViewManagePresenter.responsePagerListResourceChanged(
                        viewModel, pagers[finalI], adapters[finalI]
                )
        );
    }

    AnimUtils.translationYInitShow(viewPager, 400);
}
 

@SuppressWarnings("unchecked")
private void initPages() {
    photoPagerModel.readDataList(list ->
            adapters[photosPage()] = new PhotoAdapter(this, list).setItemEventCallback(
                    new PhotoItemEventHelper(
                            this, photoPagerModel, (context, photo) -> downloadPhoto(photo)
                    )
            )
    );

    likesPagerModel.readDataList(list ->
            adapters[likesPage()] = new PhotoAdapter(this, list).setItemEventCallback(
                    new PhotoItemEventHelper(
                            this, likesPagerModel, (context, photo) -> downloadPhoto(photo)
                    )
            )
    );

    collectionsPagerModel.readDataList(list ->
            adapters[collectionsPage()] = new CollectionAdapter(this, list).setItemEventCallback(
                    new CollectionItemEventHelper(this)
            )
    );

    List<View> pageList = new ArrayList<>(
            Arrays.asList(
                    new MePhotosView(
                            this,
                            (PhotoAdapter) adapters[photosPage()],
                            photosPage(),
                            this
                    ), new MePhotosView(
                            this,
                            (PhotoAdapter) adapters[likesPage()],
                            likesPage(),
                            this
                    ), new MeCollectionsView(
                            this,
                            (CollectionAdapter) adapters[collectionsPage()],
                            collectionsPage(),
                            this
                    )
            )
    );
    for (int i = 0; i < pageList.size(); i ++) {
        pagers[i] = (PagerView) pageList.get(i);
    }

    String[] userTabs = getResources().getStringArray(R.array.user_tabs);

    List<String> tabList = new ArrayList<>();
    Collections.addAll(tabList, userTabs);
    this.adapter = new PagerAdapter(viewPager, pageList, tabList);

    viewPager.setAdapter(adapter);
    viewPager.setCurrentItem(getCurrentPagerPosition(), false);
    viewPager.addOnPageChangeListener(this);

    TabLayout tabLayout = findViewById(R.id.activity_me_tabLayout);
    tabLayout.setupWithViewPager(viewPager);
    tabLayout.setTabGravity(TabLayout.GRAVITY_FILL);
    tabLayout.addOnTabSelectedListener(new TabLayoutDoubleClickBackToTopPresenter(MeActivity.this::backToTop));

    indicator.setViewPager(viewPager);
    indicator.setAlpha(0f);

    pagerManageViewModel.getPagerPosition().observe(this, position -> {
        for (int i = photosPage(); i < pageCount(); i ++) {
            pagers[i].setSelected(i == position);
        }

        if (pagerModels[getCurrentPagerPosition()].getListSize() == 0
                && pagerModels[getCurrentPagerPosition()].getListState() != ListResource.State.REFRESHING
                && pagerModels[getCurrentPagerPosition()].getListState() != ListResource.State.LOADING) {
            PagerViewManagePresenter.initRefresh(
                    pagerModels[getCurrentPagerPosition()],
                    adapters[getCurrentPagerPosition()]
            );
        }
    });

    for (int i = photosPage(); i < pageCount(); i ++) {
        int finalI = i;
        pagerModels[i].observeListResource(this, viewModel ->
                PagerViewManagePresenter.responsePagerListResourceChanged(
                        viewModel, pagers[finalI], adapters[finalI]
                )
        );
    }

    AnimUtils.translationYInitShow(viewPager, 400);
}
 

private void initPages() {
    pagerModels[followerPage()].readDataList(list ->
            adapters[followerPage()] = new MyFollowAdapter(this, list).setItemEventCallback(
                    new MyFollowItemEventHelper(this)
            )
    );

    pagerModels[followingPage()].readDataList(list ->
            adapters[followingPage()] = new MyFollowAdapter(this, list).setItemEventCallback(
                    new MyFollowItemEventHelper(this)
            )
    );

    List<View> pageList = new ArrayList<>(
            Arrays.asList(
                    new MyFollowUserView(
                            this,
                            adapters[followerPage()],
                            followerPage(),
                            this
                    ), new MyFollowUserView(
                            this,
                            adapters[followingPage()],
                            followingPage(),
                            this
                    )
            )
    );
    for (int i = 0; i < pageList.size(); i ++) {
        pagers[i] = (PagerView) pageList.get(i);
    }

    String[] myFollowTabs = getResources().getStringArray(R.array.my_follow_tabs);

    List<String> tabList = new ArrayList<>();
    Collections.addAll(tabList, myFollowTabs);
    PagerAdapter adapter = new PagerAdapter(viewPager, pageList, tabList);
    if (AuthManager.getInstance().getUser() != null) {
        adapter.titleList.set(
                followerPage(),
                AuthManager.getInstance().getUser().followers_count + " " + myFollowTabs[followerPage()]
        );
        adapter.titleList.set(
                followingPage(),
                AuthManager.getInstance().getUser().following_count + " " + myFollowTabs[followingPage()]
        );
        adapter.notifyDataSetChanged();
    }

    viewPager.setAdapter(adapter);
    viewPager.addOnPageChangeListener(this);
    viewPager.setCurrentItem(getCurrentPagerPosition(), false);

    TabLayout tabLayout = findViewById(R.id.activity_my_follow_tabLayout);
    tabLayout.setTabGravity(TabLayout.GRAVITY_FILL);
    tabLayout.setupWithViewPager(viewPager);
    tabLayout.addOnTabSelectedListener(new TabLayoutDoubleClickBackToTopPresenter(MyFollowActivity.this::backToTop));

    pagerManageModel.getPagerPosition().observe(this, position -> {
        for (int i = followerPage(); i < pageCount(); i ++) {
            pagers[i].setSelected(i == position);
        }
        if (pagerModels[position].getListSize() == 0
                && pagerModels[position].getListState() != ListResource.State.REFRESHING
                && pagerModels[position].getListState() != ListResource.State.LOADING) {
            PagerViewManagePresenter.initRefresh(pagerModels[position], adapters[position]);
        }
    });

    pagerModels[followerPage()].observeListResource(this, viewModel ->
            PagerViewManagePresenter.responsePagerListResourceChanged(
                    viewModel,
                    pagers[followerPage()],
                    adapters[followerPage()]
            )
    );
    pagerModels[followingPage()].observeListResource(this, viewModel ->
            PagerViewManagePresenter.responsePagerListResourceChanged(
                    viewModel,
                    pagers[followingPage()],
                    adapters[followingPage()]
            )
    );
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    if (!MobiComUserPreference.getInstance(this).isLoggedIn()) {
        finish();
    }
    setContentView(R.layout.people_activity);
    String jsonString = FileUtils.loadSettingsJsonFile(getApplicationContext());
    if (!TextUtils.isEmpty(jsonString)) {
        alCustomizationSettings = (AlCustomizationSettings) GsonUtils.getObjectFromJson(jsonString, AlCustomizationSettings.class);
    } else {
        alCustomizationSettings = new AlCustomizationSettings();
    }

    onContactsInteractionListener = this;
    Toolbar myToolbar = (Toolbar) findViewById(R.id.my_toolbar);
    setSupportActionBar(myToolbar);
    // Set up the action bar.
    actionBar = getSupportActionBar();
    if (!TextUtils.isEmpty(alCustomizationSettings.getThemeColorPrimary()) && !TextUtils.isEmpty(alCustomizationSettings.getThemeColorPrimaryDark())) {
        actionBar.setBackgroundDrawable(new ColorDrawable(Color.parseColor(alCustomizationSettings.getThemeColorPrimary())));
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            getWindow().setStatusBarColor(Color.parseColor(alCustomizationSettings.getThemeColorPrimaryDark()));
        }
    }
    actionBar.setHomeButtonEnabled(true);
    actionBar.setDisplayHomeAsUpEnabled(true);
    actionBar.setDisplayShowTitleEnabled(true);


    intentExtra = getIntent();
    action = intentExtra.getAction();
    type = intentExtra.getType();

    if (getIntent().getExtras() != null) {
        if (Intent.ACTION_SEND.equals(action) && type != null) {
            actionBar.setTitle(getString(R.string.send_message_to));
        } else {
            actionBar.setTitle(getString(R.string.search_title));
            userIdArray = getIntent().getStringArrayExtra(USER_ID_ARRAY);
        }
    } else {
        actionBar.setTitle(getString(R.string.search_title));
    }
    appContactFragment = new AppContactFragment(userIdArray);
    appContactFragment.setAlCustomizationSettings(alCustomizationSettings);
    channelFragment = new ChannelFragment();
    setSearchListFragment(appContactFragment);
    if (alCustomizationSettings.isGroupsSectionTabHidden() || ApplozicSetting.getInstance(this).isGroupsSectionTabHidden()) {
        addFragment(this, appContactFragment, "AppContactFragment");
    } else {
        viewPager = (ViewPager) findViewById(R.id.viewPager);
        viewPager.setVisibility(View.VISIBLE);
        setupViewPager(viewPager);
        tabLayout = (TabLayout) findViewById(R.id.tab_layout);
        tabLayout.setVisibility(View.VISIBLE);
        tabLayout.setupWithViewPager(viewPager);
        tabLayout.addOnTabSelectedListener(this);
    }

    // This flag notes that the Activity is doing a search, and so the result will be
    // search results rather than all contacts. This prevents the Activity and Fragment
    // from trying to a search on search results.
    isSearchResultView = true;
}