用 TabLayout 实现底部、顶部导航栏

用 TabLayout 实现底部、顶部导航栏，你绝对需要掌握的

package android.databinding;
import com.example.qiudengjiao.tablayout.test.BR;
class DataBinderMapper {
    final static int TARGET_MIN_SDK = 15;
    public DataBinderMapper（） {
    }
    public android.databinding.ViewDataBinding getDataBinder（android.databinding.DataBindingComponent bindingComponent android.view.View view int layoutId） {
        switch（layoutId） {
                case com.example.qiudengjiao.tablayout.R.layout.activity_main:
                    return com.example.qiudengjiao.tablayout.databinding.ActivityMainBinding.bind（view bindingComponent）;
                case com.example.qiudengjiao.tablayout.R.layout.activity_top_layout:
                    return com.example.qiudengjiao.tablayout.databinding.ActivityTopLayoutBinding.bind（view bindingComponent）;
                case com.example.qiudengjiao.tablayout.R.layout.fragment_home:
                    return com.example.qiudengjiao.tablayout.databinding.FragmentHomeBinding.bind（view bindingComponent）;
                case com.example.qiudengjiao.tablayout.R.layout.fragment_cart:
                    return com.example.qiudengjiao.tablayout.databinding.FragmentCartBinding.bind（view bindingComponent）;
                case com.example.qiudengjiao.tablayout.R.layout.fragment1:
                    return com.example.qiudengjiao.tablayout.databinding.Fragment1Binding.bind（view bindingComponent）;
                case com.example.qiudengjiao.tablayout.R.layout.fragment3:
                    return com.example.qiudengjiao.tablayout.databinding.Fragment3Binding.bind（view bindingComponent）;
                case com.example.qiudengjiao.tablayout.R.layout.frgment_mine:
                    return com.example.qiudengjiao.tablayout.databinding.FrgmentMineBinding.bind（view bindingComponent）;
                case com.example.qiudengjiao.tablayout.R.layout.fragment_hot:
                    return com.example.qiudengjiao.tablayout.databinding.FragmentHotBinding.bind（view bindingComponent）;
                case com.example.qiudengjiao.tablayout.R.layout.fragment_category:
                    return com.example.qiudengjiao.tablayout.databinding.FragmentCategoryBinding.bind（view bindingComponent）;
                case com.example.qiudengjiao.tablayout.R.layout.fragment2:
                    return com.example.qiudengjiao.tablayout.databinding.Fragment2Binding.bind（view bindingComponent）;
        }
        return null;
    }
    android.databinding.ViewDataBinding getDataBinder（android.databinding.DataBindingComponent bindingComponent android.view.View[] views int layoutId） {
        switch（layoutId） {
        }
        return null;
    }
    int getLayoutId（String tag） {
        if （tag == null） {
            return 0;
        }
        final int code = tag.hashCode（）;
        switch（code） {
            case 423753077: {
                if（tag.equals（“layout/activity_main_0“）） {
                    return com.example.qiudengjiao.tablayout.R.layout.activity_main;
                }
        

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2017-05-08 23:15  TabLayout\
     文件        6148  2017-05-08 23:15  TabLayout\.DS_Store
     目录           0  2017-05-08 23:16  __MACOSX\
     目录           0  2017-05-08 23:16  __MACOSX\TabLayout\
     文件         120  2017-05-08 23:15  __MACOSX\TabLayout\._.DS_Store
     文件         118  2017-05-06 13:33  TabLayout\.gitignore
     目录           0  2017-05-06 13:33  TabLayout\.gradle\
     目录           0  2017-05-06 13:33  TabLayout\.gradle\2.14.1\
     目录           0  2017-05-06 13:33  TabLayout\.gradle\2.14.1\taskArtifacts\
     文件          30  2017-05-06 13:33  TabLayout\.gradle\2.14.1\taskArtifacts\cache.properties
     文件          17  2017-05-08 22:04  TabLayout\.gradle\2.14.1\taskArtifacts\cache.properties.lock
     文件      264433  2017-05-08 22:04  TabLayout\.gradle\2.14.1\taskArtifacts\fileHashes.bin
     文件     8505978  2017-05-08 22:04  TabLayout\.gradle\2.14.1\taskArtifacts\fileSnapshots.bin
     文件       57024  2017-05-08 22:04  TabLayout\.gradle\2.14.1\taskArtifacts\fileSnapshotsToTreeSnapshotsIndex.bin
     文件      185295  2017-05-08 22:04  TabLayout\.gradle\2.14.1\taskArtifacts\taskArtifacts.bin
     目录           0  2017-05-08 22:55  TabLayout\.idea\
     文件         686  2017-05-06 13:33  TabLayout\.idea\compiler.xml
     目录           0  2017-05-06 13:33  TabLayout\.idea\copyright\
     文件          74  2017-05-06 13:33  TabLayout\.idea\copyright\profiles_settings.xml
     文件         626  2017-05-06 13:33  TabLayout\.idea\gradle.xml
     目录           0  2017-05-08 19:42  TabLayout\.idea\libraries\
     文件         578  2017-05-08 19:42  TabLayout\.idea\libraries\adapters_1_2_1.xml
     文件         651  2017-05-08 19:42  TabLayout\.idea\libraries\animated_vector_drawable_25_1_0.xml
     文件         441  2017-05-08 19:42  TabLayout\.idea\libraries\annotations_24_5_0.xml
     文件         262  2017-05-08 19:42  TabLayout\.idea\libraries\antlr4_4_5_3.xml
     文件         764  2017-05-08 19:42  TabLayout\.idea\libraries\appcompat_v7_25_1_0.xml
     文件         291  2017-05-08 19:42  TabLayout\.idea\libraries\baseLibrary_2_2_3.xml
     文件         284  2017-05-08 19:42  TabLayout\.idea\libraries\commons_codec_1_10.xml
     文件         407  2017-05-08 19:42  TabLayout\.idea\libraries\commons_io_2_4.xml
     文件         282  2017-05-08 19:42  TabLayout\.idea\libraries\compiler_2_2_3.xml
     文件         300  2017-05-08 19:42  TabLayout\.idea\libraries\compilerCommon_2_2_3.xml
............此处省略3704个文件信息