fragment

来源：互联网发布：mac修容粉色号怎么选编辑：程序博客网时间：2024/06/11 08:51

       iv_image1.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
                 veb.setCurrentItem(0);
             }
         });

        iv_image2.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                veb.setCurrentItem(1);
            }
        });

        iv_image3.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                veb.setCurrentItem(2);
            }
        });

        tv_sy.setTextColor(Color.GREEN);
        iv_image1.setImageResource(R.drawable.tab_main_select);

        veb.setAdapter(new Addapter(getSupportFragmentManager()));

        veb.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
            @Override
            public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {

            }

            @Override
            public void onPageSelected(int position) {
                switch (position)
                {
                    case 0:
                        tv_sy.setTextColor(Color.GREEN);
                        iv_image1.setImageResource(R.drawable.tab_main_select);
                        tv_gn.setTextColor(Color.BLACK);
                        iv_image2.setImageResource(R.drawable.tab_category_normal);
                        tv_wd.setTextColor(Color.BLACK);
                        iv_image3.setImageResource(R.drawable.tab_me_normal);
                        break;
                    case 1:
                        tv_sy.setTextColor(Color.BLACK);
                        iv_image1.setImageResource(R.drawable.tab_main_normal);
                        tv_gn.setTextColor(Color.GREEN);
                        iv_image2.setImageResource(R.drawable.tab_catefory_select);
                        tv_wd.setTextColor(Color.BLACK);
                        iv_image3.setImageResource(R.drawable.tab_me_normal);
                        break;
                    case 2:
                        tv_sy.setTextColor(Color.BLACK);
                        iv_image1.setImageResource(R.drawable.tab_main_normal);
                        tv_gn.setTextColor(Color.BLACK);
                        iv_image2.setImageResource(R.drawable.tab_category_normal);
                        tv_wd.setTextColor(Color.GREEN);
                        iv_image3.setImageResource(R.drawable.tab_me_select);
                        break;
                }

            }

            @Override
            public void onPageScrollStateChanged(int state) {

            }

});

private void initView() {
        veb = findViewById(R.id.veb);
        iv_image1=findViewById(R.id.iv_image1);
        tv_sy=findViewById(R.id.tv_sy);
        iv_image2=findViewById(R.id.iv_image2);
        tv_gn=findViewById(R.id.tv_gn);
        iv_image3=findViewById(R.id.iv_image3);
        tv_wd=findViewById(R.id.tv_wd);
    }

    class Addapter extends FragmentPagerAdapter
    {

        public Addapter(FragmentManager fm) {
            super(fm);
        }

        @Override
        public Fragment getItem(int position) {
            Fragment fragment=null;
            switch (position) {
                case 0:
                    fragment=new Fragment1();
                    break;
                case 1:
                    fragment=new Fragment2();
                    break;
                case 2:
                    fragment=new Fragment3();
                    break;
            }
            return fragment;
        }

        @Override
        public int getCount() {
            return 3;
        }
    }
}

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