安卓5.0之后的新控件TabLayout

安卓5.0之后的新控件TabLayout

可以实现类似于viewpager的效果

使用起来更方便

主界面代码:

package my.qq.com.day0715;import android.os.Bundle;import android.support.design.widget.TabLayout;import android.support.v4.app.Fragment;import android.support.v4.app.FragmentManager;import android.support.v4.app.FragmentPagerAdapter;import android.support.v4.view.ViewPager;import android.support.v7.app.AppCompatActivity;/** * TabLayout安卓5.0之后的新控件 * 上面是标签,下面是viewpager,点击标签,viewpager会跟着切换 */public class TabLayoutActivity extends AppCompatActivity {    private TabLayout tabLayout;    private ViewPager viewPager;    String[] titles=new String[10];    String[] contents=new String[10];    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_tab_layout);        tabLayout= (TabLayout) findViewById(R.id.TabLayoutActivity_tab);        viewPager= (ViewPager) findViewById(R.id.TabLayoutActivity_vp);        addData();        //给tablayout添加每一个tab        for (int i=0;i<titles.length;i++){            tabLayout.addTab(tabLayout.newTab().setText(titles[i]));        }        MyAdapter myAdapter=new MyAdapter(getSupportFragmentManager());        viewPager.setAdapter(myAdapter);        //给ViewPager添加TabLayout变化的监听        viewPager.addOnPageChangeListener(new TabLayout.TabLayoutOnPageChangeListener(tabLayout));        //给TabLay设置点击的监听        tabLayout.addOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {            //标签选中之后执行的方法            @Override            public void onTabSelected(TabLayout.Tab tab) {                viewPager.setCurrentItem(tab.getPosition());            }            //标签没选中            @Override            public void onTabUnselected(TabLayout.Tab tab) {            }            @Override            public void onTabReselected(TabLayout.Tab tab) {            }        });    }    public void addData(){        for (int j=0;j<10;j++){            titles[j]="title"+j;            contents[j]="contents"+j;        }    }    class MyAdapter extends FragmentPagerAdapter{        public MyAdapter(FragmentManager fm) {            super(fm);        }        @Override        public Fragment getItem(int position) {            Fragment f=new TabLayoutFragment();            Bundle bundle=new Bundle();            bundle.putString("contents",contents[position]);            f.setArguments(bundle);            return f;        }        @Override        public int getCount() {            return titles.length;        }    }}

主界面布局:

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    xmlns:app="http://schemas.android.com/apk/res-auto"    android:orientation="vertical"    tools:context="my.qq.com.day0715.TabLayoutActivity">    <!-- app:tabIndicatorColor="#ff0000"选中标签下划线颜色 ,app:tabTextColor="#00ff00"文字颜色,    app:tabSelectedTextColor="#0000ff"选中文字颜色    app:tabMode="scrollable"可划动    -->    <android.support.design.widget.TabLayout        android:id="@+id/TabLayoutActivity_tab"        android:layout_width="match_parent"        android:layout_height="wrap_content"        app:tabIndicatorColor="#ff0000"        app:tabTextColor="#00ff00"        app:tabSelectedTextColor="#0000ff"        app:tabMode="scrollable"        app:tabGravity="center">    </android.support.design.widget.TabLayout>    <android.support.v4.view.ViewPager        android:id="@+id/TabLayoutActivity_vp"        android:layout_width="match_parent"        android:layout_height="0dp"        android:layout_weight="1"></android.support.v4.view.ViewPager></LinearLayout> 

碎片代码package my.qq.com.day0715;import android.os.Bundle;import android.support.annotation.Nullable;import android.support.v4.app.Fragment;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.TextView;/** * Created by czw on 2016/7/15  15:01. */public class TabLayoutFragment extends Fragment {    @Nullable    @Override    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {        View view=inflater.inflate(R.layout.tabfragment_item,container,false);        TextView textView= (TextView) view.findViewById(R.id.tab_item_tv);        Bundle bundle=getArguments();        String text=bundle.getString("contents");        textView.setText(text);        return view;    }}

碎片布局

<?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"    android:layout_height="match_parent">    <TextView        android:id="@+id/tab_item_tv"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="填充碎片"/></LinearLayout>