안드로이드 프로그래밍 직접풀어보기 4-4 (안드로이드 스튜디오)

main.java

package com.cookandroid.ex99;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.ImageView;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.Switch;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    TextView text1,text2;
    Switch swiAgree;
    RadioGroup rGroup1;
    RadioButton rdoDog,rdoCat,rdoRabbit;
    Button btnOK ,btn1,btn2;
    ImageView imgPet;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        setTitle("안드로이드 사진 보기");

        text1 = (TextView) findViewById(R.id.Text1);
        swiAgree = (Switch) findViewById(R.id.ChkAgree);

        text2 = (TextView) findViewById(R.id.Text2);
        rGroup1 = (RadioGroup) findViewById(R.id.Rgroup1);
        rdoDog = (RadioButton) findViewById(R.id.RdoDog);
        rdoCat = (RadioButton) findViewById(R.id.Rdocat);
        rdoRabbit = (RadioButton) findViewById(R.id.Rdorabbit);

        btn1 = (Button) findViewById(R.id.button);
        btn2 = (Button) findViewById(R.id.button2);

        imgPet = (ImageView) findViewById(R.id.Imgpet);

        swiAgree.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton compoundButton, boolean b) {

                if(swiAgree.isChecked()==true) {
                    text2.setVisibility(View.VISIBLE);
                    rGroup1.setVisibility(View.VISIBLE);
                    imgPet.setVisibility(View.VISIBLE);
                }
                else
                {
                    text2.setVisibility(View.INVISIBLE);
                    rGroup1.setVisibility(View.INVISIBLE);
                    imgPet.setVisibility(View.INVISIBLE);
                }
            }
        });
            rGroup1.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
                @Override
                public void onCheckedChanged(RadioGroup radioGroup, int i) {
                    switch (rGroup1.getCheckedRadioButtonId()){
                        case R.id.RdoDog:
                            imgPet.setImageResource(R.drawable.nuga);
                            break;
                        case R.id.Rdocat:
                            imgPet.setImageResource(R.drawable.oreo);
                            break;
                        case R.id.Rdorabbit:
                            imgPet.setImageResource(R.drawable.pie);
                            break;
                    }
                }
            });

            btn1.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View view) {
                    finish();
                }
            });

            btn2.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View view) {
                    swiAgree.setChecked(false);
                }
            });


    }
}

main.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=".MainActivity"
    android:orientation="vertical"
    android:padding="30dp">

    <TextView
        android:id="@+id/Text1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="선택을 시작하겠습니까?"
        android:layout_margin="10dp"/>

    <Switch
        android:id="@+id/ChkAgree"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="10dp"
        android:text="시작함"/>

    <TextView
        android:id="@+id/Text2"
        android:layout_margin="10dp"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="좋아하는 안드로이드버전은?"
        android:visibility="invisible"/>

    <RadioGroup
        android:layout_margin="10dp"
        android:id="@+id/Rgroup1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:visibility="invisible">

        <RadioButton
            android:layout_margin="10dp"
            android:id="@+id/RdoDog"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="누가7.0"/>
        <RadioButton
            android:layout_margin="10dp"
            android:id="@+id/Rdocat"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="오레오8.0"/>
        <RadioButton
            android:layout_margin="10dp"
            android:id="@+id/Rdorabbit"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="파이9.0"/>

    </RadioGroup>

    <Button
        android:id="@+id/button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="종료" />

    <Button
        android:id="@+id/button2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="처음으로" />

    <ImageView
        android:id="@+id/Imgpet"
        android:layout_margin="10dp"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:visibility="invisible"/>




</LinearLayout>

직접풀어보기 4-4