Android 应用、驱动开发（二十六）Android studio TabHost应用

一、运行效果：

        

二、MainActivity.java:

package com.example.a034_tabhostapp;

import androidx.appcompat.app.AppCompatActivity;

import android.app.TabActivity;
import android.content.Intent;
import android.content.res.Resources;
import android.graphics.Typeface;
import android.os.Bundle;
import android.view.View;
import android.widget.TabHost;
import android.widget.TextView;

public class MainActivity extends TabActivity{
    private  Resources resources;
    private TabHost tabHost;
    private  TabHost.TabSpec 	spec;
    private Intent intent;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.o