android_tabLayout的使用
效果图
layout:
<?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"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/activity_tab"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context="com.example.iamchan.allfunction.ui.program.TabActivity">
<!--
app:tabTextColor="@color/black" 未选中颜色
app:tabSelectedTextColor="@color/blue" 选中颜色
app:tabIndicatorColor="@color/blue" 底部线的颜色
app:tabIndicatorHeight="2dp" 底部线的高度 0dp没有线
app:tabGravity="fill" 填满布局 match_parent
app:tabMode="scrollable" item多了可以滚动 不用等分了
app:tabMode="fixed" 默认等分
app:tabTextAppearance="@style/indicator" 设置属性
app:tabPadding="10" tablayout内部的子控件的Padding:
app:tabMode="scrollable" 确定数目的时候不要用它 或者填fixed
-->
<android.support.design.widget.TabLayout
android:id="@+id/tablayout"
android:layout_width="match_parent"
android:layout_height="40dp"
app:tabTextColor="@color/black"
app:tabSelectedTextColor="@color/blue"
app:tabIndicatorColor="@color/blue"
app:tabIndicatorHeight="0dp"
app:tabBackground="@color/gray"
app:tabGravity="fill"
app:tabMode="fixed"
app:tabTextAppearance="@style/indicator"
>
</android.support.design.widget.TabLayout>
<android.support.v4.view.ViewPager
android:id="@+id/viewPager"
android:layout_width="match_parent"
android:layout_height="match_parent"></android.support.v4.view.ViewPager>
</LinearLayout>
java:
public class TabActivity extends SwipeBackActivity { @BindView(R.id.tablayout) TabLayout tablayout; @BindView(R.id.viewPager) ViewPager viewPager; private List<Fragment> fragments; private List<String> stringList; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_tab); ButterKnife.bind(this); stringList=new ArrayList<>(); stringList.add("aaa"); stringList.add("bbb"); stringList.add("ccc"); tablayout.addTab(tablayout.newTab().setText(stringList.get(0))/*.setIcon(R.mipmap.ic_launcher)*/); tablayout.addTab(tablayout.newTab().setText(stringList.get(1))); tablayout.addTab(tablayout.newTab().setText(stringList.get(2))); /*tablayout.addTab(tablayout.newTab().setText("aaa")); tablayout.addTab(tablayout.newTab().setText("bbb")); tablayout.addTab(tablayout.newTab().setText("ccc")); tablayout.addTab(tablayout.newTab().setText("aaa")); tablayout.addTab(tablayout.newTab().setText("bbb")); tablayout.addTab(tablayout.newTab().setText("ccc")); tablayout.addTab(tablayout.newTab().setText("aaa")); tablayout.addTab(tablayout.newTab().setText("bbb")); tablayout.addTab(tablayout.newTab().setText("ccc"));*/ /* * tablayout监听器 * */ tablayout.addOnTabSelectedListener(new TabLayout.OnTabSelectedListener() { @Override public void onTabSelected(TabLayout.Tab tab) { /* * 选中时候的方法 * */ Toast.makeText(TabActivity.this, "选中", Toast.LENGTH_SHORT).show(); } @Override public void onTabUnselected(TabLayout.Tab tab) { /* * 没有选中的方法 * */ Toast.makeText(TabActivity.this, "没中" + tab.getText(), Toast.LENGTH_SHORT).show(); } @Override public void onTabReselected(TabLayout.Tab tab) { /* * 再次选中tab的方法 什么意思就是说点了两次tablayout中的item * */ Toast.makeText(TabActivity.this, "再一次", Toast.LENGTH_SHORT).show(); } }); fragments=new ArrayList<>(); fragments.add(new HeadFragment()); fragments.add(new FindFragment()); fragments.add(new CustFragment()); viewPager.setAdapter(new MyFragmentPagerAdapter(getSupportFragmentManager())); tablayout.setupWithViewPager(viewPager); } public class MyFragmentPagerAdapter extends FragmentPagerAdapter{ public MyFragmentPagerAdapter(FragmentManager fm) { super(fm); } @Override public Fragment getItem(int position) { return fragments.get(position); } @Override public int getCount() { return fragments.size(); } /* * 需要重写这个方法 要不tablayout中的文字不显示 * */ @Override public CharSequence getPageTitle(int position) { return stringList.get(position); } } }