TabLayout使用

以下是在Tablayout中添加ViewPaGER 或者Fragment，由于我的demo需求，我没有配置viewpager和fragment ，只需要搜索一下viewpager或fragment的适配器即可!

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.czh.kuihuajingyingwang.activitys.SupplyActivity">

<include
    android:id="@+id/title_act_supply"y
    layout="@layout/titlelayout" />

<android.support.design.widget.TabLayout
    android:id="@+id/tab_act_supply"
    tabGravity="center"
    tabMode="scrollable"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_below="@+id/title_act_supply"
    app:tabBackground="@color/white"
    app:tabIndicatorColor="@color/tabndicatorolor"
    app:tabTextAppearance="@style/TabTextSize"
    app:tabTextColor="@color/black" />

<View
    android:layout_width="match_parent"
    android:layout_height="2dp"
    android:layout_below="@+id/tab_act_supply"
    android:background="@color/bg_color" />

<android.support.v7.widget.RecyclerView
    android:id="@+id/recy_act_supply"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_below="@+id/tab_act_supply" />

<android.support.v4.view.ViewPager
    android:visibility="gone"
    android:background="@color/blue"
    android:id="@+id/vpager_act_supply"
    android:layout_width="match_parent"
    android:layout_height="wrap_content" />

</RelativeLayout> 

#

/*************************************************
 * @desc 供应列表  猜测是否可以与采购、图库列表共用一个activity  ？
 * @auther 李建飞
 * @time 2016/9/18 14:41
 ************************************/
public class SupplyActivity extends BaseActivity implements Toolbar.OnMenuItemClickListener, CommonAdapter.OnItemClickListioner {
    private SupplyActivity supplyActivity;
/*容器区*/
private String[] titles = new String[]{"已发布", "审核中", "未通过", "已过期"};//tablayout的标题
private List<String> mDataList;
/*控件区*/
private ViewPager vpager_act_supply;
private RecyclerView recy_act_supply;
private TabLayout tab_act_supply;// 4 个标签头

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_supply);
    supplyActivity = this;
    initData();
    initView();
}


private void initData() {
    mDataList = new ArrayList<>();
    for (int i = 0; i < 10; i++) {
        mDataList.add("商品" + i);
    }
}

private void initView() {
//        vpager_act_supply = fView(R.id.vpager_act_supply);
    recy_act_supply = fView(R.id.recy_act_supply);
    tab_act_supply = fView(R.id.tab_act_supply);
    setMyTitle("我的供应列表");
    Toolbar titleTB = fView(R.id.titleTB);
    titleTB.inflateMenu(R.menu.toolbar_menu_addsupp);// 添加“添加供应”按钮
    titleTB.setBackgroundColor(Color.parseColor("#F5F5F5"));//修改title背景色为类白色
    titleTB.setOnMenuItemClickListener(this);
    tab_act_supply.setOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
        @Override
        public void onTabSelected(TabLayout.Tab tab) {
//                vp_act_supply.setCurrentItem(tab.getPosition());
//                DebugLogUtil.getInstance().Debug("onTabSelected选中了" );
        }

        @Override
        public void onTabUnselected(TabLayout.Tab tab) {
             /*上次点击的不是这个tab*/
//                DebugLogUtil.getInstance().Debug("onTabUnselected" );
        }

        @Override
        public void onTabReselected(TabLayout.Tab tab) {
            /*多次点击同一个tab*/
            //    DebugLogUtil.getInstance().Debug("onTabReselected" + tab.getPosition());
        }
    });
    tab_act_supply.setTabsFromPagerAdapter(pagerAdapter);
    tab_act_supply.setScrollPosition(0, 0f, true);// 默认选择第一项
    recy_act_supply.setLayoutManager(new LinearLayoutManager(this));
//        final LinearLayout.LayoutParams midParam = new LinearLayout.LayoutParams(DensityUtil.getDpFromScreenWidth(supplyActivity, 50), LinearLayout.LayoutParams.WRAP_CONTENT);
//        midParam.setMargins(10, 0, 0, 0);
    final LinearLayout.LayoutParams leftParam = new LinearLayout.LayoutParams(DensityUtil.getDpFromScreenWidth(supplyActivity, 20), LinearLayout.LayoutParams.WRAP_CONTENT);
    recy_act_supply.addItemDecoration(new DividerItemDecoration(this, DividerItemDecoration.VERTICAL_LIST));
    CommonAdapter adapter = new CommonAdapter(this, mDataList, R.layout.adapter_supplylist) {
        @Override
        public void onBindViewHolder(MyViewHolder holder, int position) {
            ImageView pic_suplist = (ImageView) holder.fMview(R.id.pic_suplist);
//                LinearLayout tvs_suplist = (LinearLayout) holder.fMview(R.id.tvs_suplist);
//                LinearLayout bts_suplist = (LinearLayout) holder.fMview(R.id.bts_suplist);
            TextView name_suplist = (TextView) holder.fMview(R.id.name_suplist);
            name_suplist.setText(mDataList.get(position));
            pic_suplist.setLayoutParams(leftParam);// 简单控制一下左侧图片的宽度  动态适配屏幕
//                tvs_suplist.setGravity(Gravity.CENTER_VERTICAL | Gravity.LEFT);
//                tvs_suplist.setLayoutParams(midParam);
//                bts_suplist.setGravity(Gravity.RIGHT | Gravity.CENTER_VERTICAL);
//                bts_suplist.setLayoutParams(leftParam);
        }
    };
    adapter.setOnItemClickListioner(this);
    recy_act_supply.setAdapter(adapter);


}


/**
 * viewpager  tablayout共用的适配器
 */
private PagerAdapter pagerAdapter = new PagerAdapter() {
    @Override
    public CharSequence getPageTitle(int position) {
        return titles[position];
    }

    @Override
    public int getCount() {
        return titles.length;
    }

    @Override
    public Object instantiateItem(ViewGroup container, int position) {
        if (position == 0) {

        }
        return getTextViewForTest(container, titles[position]);
    }

    @Override
    public void destroyItem(ViewGroup container, int position, Object object) {
        container.removeView((View) object);
    }


    @Override
    public boolean isViewFromObject(View view, Object object) {
        return view == object;
    }
};

@NonNull
private Object getTextViewForTest(ViewGroup container, String title) {
    TextView tv_title = new TextView(SupplyActivity.this);
    tv_title.setTextSize(60.f);
    tv_title.setTypeface(Typeface.defaultFromStyle(Typeface.BOLD));
    tv_title.setText(title);
    container.addView(tv_title);
    return tv_title;
}

@Override
public boolean onMenuItemClick(MenuItem item) {
    switch (item.getItemId()) {
        case R.id.addSupply:
            startActivity(GivePriceActivity.class, null);
            break;
        default:
            break;
    }
    return false;
}

@Override
public void onItemClick(int position) {
    Toast.makeText(SupplyActivity.this, "你好...." + position, Toast.LENGTH_SHORT).show();
}

}