安卓tablayout控件的使用

    api "com.android.support:design:26.1.0"

    <android.support.design.widget.TabLayout
        android:id="@+id/timeline_tablayout"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"/>

  private void initTab(){
        TabLayout.Tab tab =mTabLayout.newTab();
        tab.setText("默认");
        tab.setTag(0);
        mTabLayout.addTab(tab);

         tab =mTabLayout.newTab();
        tab.setText("价格");
        tab.setTag(1);

        mTabLayout.addTab(tab);

        tab =mTabLayout.newTab();
        tab.setTag(2);
        tab.setText("销量");
        mTabLayout.addTab(tab);
        
        mTabLayout.addOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
            @Override
            public void onTabSelected(TabLayout.Tab tab) {
                Log.d(TAG, "onTabSelected: "+tab.getTag());
            }

            @Override
            public void onTabUnselected(TabLayout.Tab tab) {

            }

            @Override
            public void onTabReselected(TabLayout.Tab tab) {

            }
        });

    }