在选项卡选择上，在android中以编程方式更改其他选项卡图标和更改选项卡文本的颜色

<android.support.design.widget.TabLayout
    android:id="@+id/tabLayout"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    app:tabMode="fixed"
    app:tabGravity="fill" />

<android.support.v4.view.ViewPager
    android:id="@+id/viewPager"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

TabLayout tabLayout = findViewById(R.id.tabLayout);
ViewPager viewPager = findViewById(R.id.viewPager);

viewPager.setAdapter(adapter);
tabLayout.setupWithViewPager(viewPager);

tabLayout.addTab(tabLayout.newTab().setText("Tab 1").setIcon(R.drawable.tab_icon_1));
tabLayout.addTab(tabLayout.newTab().setText("Tab 2").setIcon(R.drawable.tab_icon_2));
tabLayout.addTab(tabLayout.newTab().setText("Tab 3").setIcon(R.drawable.tab_icon_3));

tabLayout.getTabAt(0).setIcon(R.drawable.new_tab_icon_1);

tabLayout.setTabTextColors(Color.RED, Color.BLUE);