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TabLayout学习笔记

时间:2016-05-30 21:42:31      阅读:191      评论:0      收藏:0      [点我收藏+]

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配合ViewPager使用,基本布局如下:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="match_parent"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_height="match_parent">

    <android.support.design.widget.TabLayout
        android:id="@+id/tab_layout"
     app:tabSelectedTextColor="@color/colorPrimary"
     app:tabIndicatorColor="@color/colorPrimary"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"></android.support.design.widget.TabLayout>

    <android.support.v4.view.ViewPager
        android:id="@+id/view_pager"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"></android.support.v4.view.ViewPager>
</LinearLayout>

创建Fragment

package com.arenas.mdtest;

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

public class PageFragment extends Fragment {
    private static final String ARG_PARAM1 = "param1";
    private int mParam1;
    public PageFragment() {
        // Required empty public constructor
    }

    public static PageFragment newInstance(int page) {
        PageFragment fragment = new PageFragment();
        Bundle args = new Bundle();
        args.putInt(ARG_PARAM1, page);
        fragment.setArguments(args);
        return fragment;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (getArguments() != null) {
            mParam1 = getArguments().getInt(ARG_PARAM1);
        }
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_page, container, false);
        TextView textView = (TextView)view;
        textView.setText("Fragment # " + mParam1);
        return view;
    }
}

Fragment布局:

<TextView android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:text="@string/hello_blank_fragment"
    android:gravity="center"
    xmlns:android="http://schemas.android.com/apk/res/android"></TextView>

ViewPager适配器:

package com.arenas.mdtest;

import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;

import java.util.List;

/**
 * Created by Arenas on 2016/5/30.
 */
public class TabFragmentAdapter extends FragmentPagerAdapter {
    private List<String> tabTitles;

    public TabFragmentAdapter(FragmentManager fm, List<String> tabTitles ) {
        super(fm);
        this.tabTitles = tabTitles;
    }

    @Override
    public Fragment getItem(int position) {
        return PageFragment.newInstance(position + 1);
    }

    @Override
    public int getCount() {
        return tabTitles.size();
    }

    @Override
    public CharSequence getPageTitle(int position) {
        return tabTitles.get(position);
    }
}

在Activity中进行相关设置:

package com.arenas.mdtest;

import android.os.Bundle;
import android.support.design.widget.TabLayout;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;

import java.util.ArrayList;
import java.util.List;

public class MainActivity extends AppCompatActivity {

    public static final String TAG = "MDTEST";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        ViewPager viewPager = (ViewPager)findViewById(R.id.view_pager);
        TabLayout tabLayout = (TabLayout)findViewById(R.id.tab_layout);

        List<String> tabList = new ArrayList<>();
        tabList.add("tab1");
        tabList.add("tab2");
        tabList.add("tab3");

        tabLayout.addTab(tabLayout.newTab().setText(tabList.get(0)));//添加tab
        tabLayout.addTab(tabLayout.newTab().setText(tabList.get(1)));
        tabLayout.addTab(tabLayout.newTab().setText(tabList.get(2)));

        TabFragmentAdapter fragmentAdapter = new TabFragmentAdapter(getSupportFragmentManager(), tabList);
        viewPager.setAdapter(fragmentAdapter);//给ViewPager设置适配器
        tabLayout.setupWithViewPager(viewPager);//将TabLayout和ViewPager关联起来。
        tabLayout.setTabMode(TabLayout.MODE_FIXED);
    }
}

技术分享

此外,还可以自定义TabLayout样式,如:

<style name="MyCustomTabLayout" parent="Widget.Design.TabLayout">
    <item name="tabMaxWidth">@dimen/tab_max_width</item>
    <item name="tabIndicatorColor">?attr/colorAccent</item>
    <item name="tabIndicatorHeight">2dp</item>
    <item name="tabPaddingStart">12dp</item>
    <item name="tabPaddingEnd">12dp</item>
    <item name="tabBackground">?attr/selectableItemBackground</item>
    <item name="tabTextAppearance">@style/MyCustomTabTextAppearance</item>
    <item name="tabSelectedTextColor">?android:textColorPrimary</item>
</style>
<style name="MyCustomTabTextAppearance" parent="TextAppearance.Design.Tab">
    <item name="android:textSize">14sp</item>
    <item name="android:textColor">?android:textColorSecondary</item>
    <item name="textAllCaps">true</item>
</style>

参考文章:

http://www.jcodecraeer.com/a/anzhuokaifa/androidkaifa/2015/0731/3247.html#commettop

 

TabLayout学习笔记

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原文地址:http://www.cnblogs.com/i-love-kobe/p/5543843.html

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