最近需要做一个app，需要用到tablayout实现顶部的滑动，用到了自定义item，不过没有用到tabitem，贴出来供大家学习，先看图吧，觉得满意的继续往下面看
具体代码实现:
我直接贴啦，能说的不多
主布局: fragment_message.xml
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<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent"> <!-- app:tabIndicatorHeight="1dp" 指示器高度 app:tabIndicatorColor="@color/white" 指示器颜色 app:tabMode 默认是fixed：固定的，标签很多时候会被挤压，不能滑动。 scrollable 可滑动伸缩式的 --> <android.support.design.widget.TabLayout android:id="@+id/fg_mg_tab" android:layout_gravity="center" android:layout_width="match_parent" android:layout_height="@dimen/toolbar_height" android:background="@color/colorPrimary" app:tabIndicatorHeight="@dimen/common_dimension_2" app:tabMode="fixed" android:fillViewport="false" app:tabIndicatorColor="@color/green1" app:tabTextAppearance="@style/core_IconTabLayout" app:tabTextColor="@color/white" /> <android.support.v4.view.ViewPager android:id="@+id/fg_mg_viewpager" android:layout_width="match_parent" android:layout_height="match_parent"> </android.support.v4.view.ViewPager></LinearLayout> |
item布局: item_table_msg.xml
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<?xml version="1.0" encoding="utf-8"?><LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android"android:orientation="horizontal"android:layout_width="wrap_content"android:gravity="center_vertical"android:layout_height="wrap_content"><ImageView android:id="@+id/iv_msg_tab" android:src="@drawable/ic_msg_find" android:scaleType="centerInside" android:layout_width="wrap_content" android:layout_height="wrap_content" /><TextView android:layout_marginLeft="@dimen/common_dimension_2" android:id="@+id/tv_msg_tab" android:textColor="@color/white" android:text="会话" android:textSize="@dimen/SmallerTextSize" android:layout_width="wrap_content" android:layout_height="wrap_content" /></LinearLayout> |
适配器：MessagePagerAdapter
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public class MessagePagerAdapter extends FragmentPagerAdapter { private final List<Pair<BaseFragment,MsgTabBean>> mFragmentList = new ArrayList<>(); private Context mContext; public MessagePagerAdapter(Context mContext,FragmentManager fm) { super(fm); this.mContext = mContext; } public void addFlag(Pair<BaseFragment,MsgTabBean> msgTabBeanPair){ mFragmentList.add(msgTabBeanPair); } @Override public Fragment getItem(int position) { return mFragmentList.get(position).first; } @Override public int getCount() { return mFragmentList.size(); } public View getTabView(int position, ViewGroup mGroup){ View view; view = LayoutInflater.from(mContext).inflate(R.layout.view_table_msg,mGroup,false); ImageView img = view.findViewById(R.id.iv_msg_tab); TextView tv = view.findViewById(R.id.tv_msg_tab); img.setImageResource(mFragmentList.get(position).second.getResId()); tv.setText(mFragmentList.get(position).second.getTitle()); return view; }} |
Fragment中进行设置:
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mMessagePagerAdapter = new MessagePagerAdapter(getActivity(),getActivity().getSupportFragmentManager()); mMessagePagerAdapter.addFlag(new Pair<>(MsgFragmentFactory.getInstance().getMsgCommListFragment(),new MsgTabBean("通讯录",R.drawable.ic_msg_comm_list))); mMessagePagerAdapter.addFlag(new Pair<>(MsgFragmentFactory.getInstance().getMsgCrowdFragment(),new MsgTabBean("群聊",R.drawable.ic_msg_crowd))); mMessagePagerAdapter.addFlag(new Pair<>(MsgFragmentFactory.getInstance().getMsgConverFragment(),new MsgTabBean("消息",R.drawable.ic_msg_conver))); mMessagePagerAdapter.addFlag(new Pair<>(MsgFragmentFactory.getInstance().getMsgFindFragment(),new MsgTabBean("发现",R.drawable.ic_msg_find))); mFgMgViewpager.setAdapter(mMessagePagerAdapter); mFgMgTab.setupWithViewPager(mFgMgViewpager); for (int index =0 ;index<mMessagePagerAdapter.getCount();index++){ mFgMgTab.getTabAt(index).setCustomView(mMessagePagerAdapter.getTabView(index,mFgMgTab)); } mFgMgViewpager.setOffscreenPageLimit(mMessagePagerAdapter.getCount()); mFgMgViewpager.setCurrentItem(3); } |
总结
以上所述是小编给大家介绍的Android 自定义View结合自定义TabLayout实现顶部标签滑动效果，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对服务器之家网站的支持！
原文链接：https://blog.csdn.net/crazyZhangxl/article/details/80106594
