main
private void initView() { quxiao = (TextView) findViewById(R.id.quxiao); quxiao.setOnClickListener(this); guanjianzi = (EditText) findViewById(R.id.guanjianzi); tablayout = (TabLayout) findViewById(R.id.tablayout); viewpager = (ViewPager) findViewById(R.id.view_pager); } @Override public void onClick(View v) { switch (v.getId()) { case R.id.quxiao: Attention2Activity.this.finish(); break; } } private void initDate() { //将各个标题装在titles里面 titles = new ArrayList<String>(); titles.add("游戏"); titles.add("音乐"); titles.add("综艺"); titles.add("电视"); titles.add("电影"); titles.add("舞蹈"); titles.add("武侠"); titles.add("喜剧"); titles.add("戏剧"); titles.add("荣耀"); titles.add("联盟"); titles.add("火线"); //将两个Fragment装进集合中 list = new ArrayList<Fragment>(); Fragment1 f1 = new Fragment1(); Fragment2 f2 = new Fragment2(); Fragment3 f3 = new Fragment3(); Fragment4 f4 = new Fragment4(); Fragment5 f5 = new Fragment5(); Fragment6 f6 = new Fragment6(); Fragment7 f7 = new Fragment7(); Fragment8 f8 = new Fragment8(); Fragment9 f9 = new Fragment9(); Fragment10 f10 = new Fragment10(); Fragment11 f11 = new Fragment11(); Fragment12 f12 = new Fragment12(); list.add(f1); list.add(f2); list.add(f3); list.add(f4); list.add(f5); list.add(f6); list.add(f7); list.add(f8); list.add(f9); list.add(f10); list.add(f11); list.add(f12); //使用manager和transtion提交事务后为viewpager设置一个适配器 manager = getSupportFragmentManager(); MyFragmentPageAdapter adapter = new MyFragmentPageAdapter(manager); transtion = manager.beginTransaction(); transtion.commit(); viewpager.setAdapter(adapter); // tablayout.addTab可以将标题添加进Tab里面,true表示默认选中 tablayout.addTab(tablayout.newTab().setText(titles.get(0)), true); tablayout.addTab(tablayout.newTab().setText(titles.get(1)), false); tablayout.addTab(tablayout.newTab().setText(titles.get(2)), false); tablayout.addTab(tablayout.newTab().setText(titles.get(3)), false); tablayout.addTab(tablayout.newTab().setText(titles.get(4)), false); tablayout.addTab(tablayout.newTab().setText(titles.get(5)), false); tablayout.addTab(tablayout.newTab().setText(titles.get(6)), false); tablayout.addTab(tablayout.newTab().setText(titles.get(7)), false); tablayout.addTab(tablayout.newTab().setText(titles.get(8)), false); tablayout.addTab(tablayout.newTab().setText(titles.get(9)), false); tablayout.addTab(tablayout.newTab().setText(titles.get(10)), false); tablayout.addTab(tablayout.newTab().setText(titles.get(11)), false); //这两个方法是将Tablayout和Viewpager联合起来 tablayout.setupWithViewPager(viewpager); tablayout.setTabsFromPagerAdapter(adapter); } @Override public int getContentLayout() { return R.layout.activity_attention2; } @Override public void inject() { DaggerHttpComponent.builder() .httpModule(new HttpModule()) .build() .inject(this); } // 定义一个适配器给ViewPager class MyFragmentPageAdapter extends FragmentPagerAdapter { public MyFragmentPageAdapter(FragmentManager fm) { super(fm); // TODO Auto-generated constructor stub } @Override public android.support.v4.app.Fragment getItem(int arg0) { // TODO Auto-generated method stub return list.get(arg0); } @Override public CharSequence getPageTitle(int position) { return titles.get(position); } @Override public int getCount() { // TODO Auto-generated method stub return list.size(); } @Override public void destroyItem(ViewGroup container, int position, Object object) { // TODO Auto-generated method stub super.destroyItem(container, position, object); }
主布局
<android.support.design.widget.TabLayout android:id="@+id/tablayout" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_alignParentTop="true" app:tabIndicatorColor="@android:color/holo_red_dark" app:tabSelectedTextColor="@android:color/holo_red_light" app:tabTextColor="@android:color/black"/> <android.support.v4.view.ViewPager android:id="@+id/view_pager" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_below="@+id/tablayout" />