摘要:六部實現選項卡界面

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一.

在gradle文件添加以下代碼:

implementation 'com.android.support:design:28.0.0'

?在gradle文件添加以上代碼后,才能使用Tablayout(版本號28.0.0是我做實驗時最新的版本)

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二.布局代碼

<android.support.design.widget.TabLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"app:tabMaxWidth="0dp"app:tabGravity="fill"app:tabMode="fixed"android:id="@+id/tablayout_id"android:textAlignment="center"app:tabSelectedTextColor="@color/tabindicatorcolor"app:tabTextColor="@color/tabtextcolor"app:tabIndicatorColor="@color/tabindicatorcolor"android:background="@color/colorPrimary"/><android.support.v4.view.ViewPagerandroid:layout_width="match_parent"android:layout_height="match_parent"android:id="@+id/viewpager_id"></android.support.v4.view.ViewPager>

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三.在res/layout目錄下自定義xml文件作為fragment中的選項界面

　　action_fragment.xml和mark_fragment.xml分別為"行動","統計"選項卡界面

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四.新建多個繼承Fragment的子類返回選項界面

FragmentAction.java public class FramentAction extends Fragment {public FramentAction() {}@Nullable@Overridepublic View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {View view=inflater.inflate(R.layout.action_fragment,container,false);return view;} }

?FragmentMark.java

public class FragmentMark extends Fragment {public FragmentMark() {}@Nullable@Overridepublic View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {View view=inflater.inflate(R.layout.mark_fragment,container,false);return view;}}

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五.自定義繼承FragmentPagerAdapter的子類ViewPagerAdater,重寫getItem(),getCount(),getPageTitle()方法,添加AddFragment()方法

public class ViewPagerAdaper extends FragmentPagerAdapter {private final List<Fragment> fragmentList=new ArrayList<>();private final List<String> fragementListTitle=new ArrayList<>();public ViewPagerAdaper(FragmentManager fm) {super(fm);}@Overridepublic Fragment getItem(int i) {return fragmentList.get(i);}@Overridepublic int getCount() {return fragementListTitle.size();}@Nullable@Overridepublic CharSequence getPageTitle(int position) {return fragementListTitle.get(position);}public void AddFragemnt(Fragment fragment,String title){fragmentList.add(fragment);fragementListTitle.add(title);} }

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六.在MainActivity.java中實現以下代碼:

　　　　tabLayout=findViewById(R.id.tablayout_id);viewPager=findViewById(R.id.viewpager_id);ViewPagerAdaper mAdaper=new ViewPagerAdaper(getSupportFragmentManager());mAdaper.AddFragemnt(new FramentAction(),"行動");mAdaper.AddFragemnt(new FragmentMark(),"統計");viewPager.setAdapter(mAdaper);tabLayout.setupWithViewPager(viewPager);

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轉載于:https://www.cnblogs.com/adressian/p/10224342.html

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