android studio并列层，显示和隐藏按钮，修改背景的自定义颜色

1.activity_sideby.xml

<?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:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.example.hyld.sideby"
    android:orientation="vertical">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="80dp"
        android:layout_marginTop="1dp"
        android:orientation="horizontal">

        <TextView
            android:id="@+id/auto"
            android:layout_width="match_parent"
            android:layout_height="60dp"
            android:text="按钮1"
            android:textSize="20dp"
            android:layout_weight="1"
            android:gravity="center"
            android:background="#33CCFF"
            />

        <TextView
            android:id="@+id/single"
            android:layout_width="match_parent"
            android:layout_height="60dp"
            android:text="按钮2"
            android:textSize="20dp"
            android:layout_weight="1"
            android:gravity="center"
            android:background="#FFFFFF"/>
    </LinearLayout>
    <Button
        android:id="@+id/search"
        android:layout_width="match_parent"
        android:layout_height="60dp"
        android:text="按钮"/>
</LinearLayout>

2.sideby.java

package com.xxxx.xx;

import androidx.appcompat.app.AppCompatActivity;

import android.annotation.SuppressLint;
import android.graphics.Color;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

public class sideby extends AppCompatActivity {

    TextView tv1;
    TextView tv2;
    Button btn1;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_sideby);
        btn1 = findViewById(R.id.search);


        tv1 = findViewById(R.id.auto);
        tv1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

                int mycolor = getResources().getColor(R.color.mycolor1);//在values的colors.xml文件中，自定义颜色
                tv1.setBackgroundColor(mycolor);
                tv2.setBackgroundColor(Color.WHITE);
                btn1.setVisibility(View.GONE);
            }
        });

        tv2 = findViewById(R.id.single);
        tv2.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                int mycolor = getResources().getColor(R.color.mycolor1);
               // tv1.setBackgroundResource(mycolor);
                tv1.setBackgroundColor(Color.WHITE);
                tv2.setBackgroundColor(mycolor);
                btn1.setVisibility(View.VISIBLE);
            }
        });

    }
}

本文地址：https://blog.csdn.net/qq_35086941/article/details/108121961