FragmentTabHost简单实用

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最新推荐文章于 2025-07-27 16:11:49 发布

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本文介绍了一个使用 Android Support Library 中 FragmentTabHost 实现的 TabLayout 示例应用。该应用包含四个标签页：首页、周边、我的和设置，每个标签页对应一个 Fragment。通过此示例可以了解如何设置 TabLayout 的图标和文本，并实现不同标签页间的切换。

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package com.example.administrator.myapplication;

import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentTabHost;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;

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

public class MainActivity extends FragmentActivity {

    private FragmentTabHost tabHost;
   private List<Fragment>fragmentList=new ArrayList<>();
    private int[] imgSelectors=new int[]{
            R.drawable.ic_home_tab_index_selector,
            R.drawable.ic_home_tab_near_selector,
            R.drawable.ic_home_tab_my_selector,
            R.drawable.ic_home_tab_more_selector,
    };
    private String[] TabTitle=new String[]{"首页","周边","我的","设置"};
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        fragmentList.add(new BlankFragment());
        fragmentList.add(new BlankFragment2());
        fragmentList.add(new BlankFragment3());
        fragmentList.add(new BlankFragment4());
        tabHost = (FragmentTabHost) findViewById(R.id.TabHost);
        tabHost.setup(MainActivity.this,getSupportFragmentManager(),android.R.id.tabcontent);
        for (int i=0;i<fragmentList.size();i++){
            View view=getLayoutInflater().inflate(R.layout.tab_item,null);
            ImageView iv= (ImageView) view.findViewById(R.id.iv);
            TextView tv= (TextView) view.findViewById(R.id.tv);
            iv.setImageResource(imgSelectors[i]);
            tv.setText(TabTitle[i]);
            tabHost.addTab(tabHost.newTabSpec(TabTitle[i]).setIndicator(view),fragmentList.get(i).getClass(),null);
        }


    }


}

<?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:id="@+id/activity_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context="com.example.administrator.myapplication.MainActivity">
   <android.support.v4.app.FragmentTabHost
       android:id="@+id/TabHost"
       android:layout_width="match_parent"
       android:layout_height="match_parent">
       <LinearLayout
           android:layout_width="match_parent"
           android:orientation="vertical"
           android:layout_height="match_parent">
           <!--<FrameLayout-->
               <!--android:id="@+id/realContent"-->
               <!--android:layout_weight="1"-->
               <!--android:layout_width="match_parent"-->
               <!--android:layout_height="0dp"></FrameLayout>-->
           <FrameLayout
               android:id="@android:id/tabcontent"
               android:layout_weight="1"
               android:layout_width="match_parent"
               android:layout_height="0dp"></FrameLayout>
           <TabWidget
               android:divider="@null"
               android:id="@android:id/tabs"
               android:layout_width="match_parent"
               android:layout_height="wrap_content"></TabWidget>
       </LinearLayout>

   </android.support.v4.app.FragmentTabHost>
</LinearLayout>

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

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center_horizontal"
        android:layout_marginBottom="5dp"
        android:orientation="vertical">

        <ImageView
            android:id="@+id/iv"
            android:layout_width="20dp"
            android:layout_height="20dp"
            android:src="@drawable/ic_home_tab_index_selected" />

        <TextView
            android:id="@+id/tv"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="首页"
            android:textColor="@drawable/text_selector"
            android:textSize="12sp" />
    </LinearLayout>
</LinearLayout>