FragmentTabHost

最新推荐文章于 2021-05-27 01:50:11 发布

剑雪封喉丿

最新推荐文章于 2021-05-27 01:50:11 发布

阅读量330

点赞数

本文链接：https://blog.youkuaiyun.com/lk2021991/article/details/79235620

版权

package com.example.myfragmenttabhost;

import android.app.FragmentHostCallback;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentTabHost;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.TabWidget;
import android.widget.TextView;

import org.w3c.dom.Text;

/**
 * 注意，布局文件的id  必须是Android固定标签，本身就存在的
 * FragmentTabHost框架   切换Fragment
 */
public class MainActivity extends AppCompatActivity {

    FragmentTabHost tabHost;
    FrameLayout tabContent;
    TabWidget tabs;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        tabHost = findViewById(R.id.tabHost);//获取FragmentTabHost控件
        tabHost.setup(this,getSupportFragmentManager(),android.R.id.tabcontent);//设置填充内容
        newTab( tabHost, "首页", R.drawable.icon_tab_home ,FragmentShouye.class);
        newTab( tabHost, "服务", R.drawable.icon_tab_service ,FragmentService.class);
        newTab( tabHost, "我的", R.drawable.icon_tab_mine ,FragmentMine.class);
    }

    /**
     * 设置tab，包括其名称和资源文件； tabName关联对应的Fragment
     * @param tabHost
     * @param tabName
     * @param resId
     * @param fragmentClass
     */
    private void newTab(FragmentTabHost tabHost, String tabName, int resId,Class fragmentClass) {
        View view = LayoutInflater.from(this).inflate(R.layout.tab_layout,null);
        ImageView  tabImg=view.findViewById(R.id.tabImg);
        tabImg.setImageResource(resId);
        TextView tabNames=view.findViewById(R.id.tabName);
        tabNames.setText(tabName);
        FragmentTabHost.TabSpec tabSpec =tabHost.newTabSpec(tabName).setIndicator(view);
        tabHost.addTab(tabSpec,fragmentClass,null);
    }
}

<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.app.FragmentTabHost xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/tabHost"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:focusable="false">

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical">

            <FrameLayout
                android:id="@android:id/tabcontent"
                android:layout_width="match_parent"
                android:layout_height="0dp"
                android:layout_weight="1" />

            <TabWidget
                android:id="@android:id/tabs"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:background="#fcfcfc"
                android:padding="6dp" />
        </LinearLayout>
    </RelativeLayout>
</android.support.v4.app.FragmentTabHost>