gistfile1.java

 protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);


        viewPager = (ViewPager) findViewById(R.id.viewpager);
        setupViewPager(viewPager);

        tabLayout = (TabLayout) findViewById(R.id.tabs);
        tabLayout.setupWithViewPager(viewPager);
        setupTabIcons();
        LinearLayout layout = ((LinearLayout) ((LinearLayout) tabLayout.getChildAt(0)).getChildAt(0));
        LinearLayout.LayoutParams layoutParams = (LinearLayout.LayoutParams) layout.getLayoutParams();
        layoutParams.weight = 0f; // e.g. 0.5f
        layoutParams.width=LinearLayout.LayoutParams.WRAP_CONTENT;



    }
     private void setupViewPager(ViewPager viewPager) {
        ViewPagerAdapter adapter = new ViewPagerAdapter(getSupportFragmentManager());
        adapter.addFragment(new camera(),"");
        adapter.addFragment(new converterFragment(), "Convert");
        adapter.addFragment(new fileExplorerFragment(), "Files");
        viewPager.setAdapter(adapter);

    }