애완동물 사진보기 만들기 - 체크박스,라디오박스 사용

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시작화면

시작함 클릭시 나오는 화면

라디오박스 선택 혹은 선택완료 버튼 클릭시 변환

마지막 토끼

사진 저장 위치

java

package com.example.a2c_1005_5;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.MotionEvent;
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.TextView;

public class MainActivity extends AppCompatActivity {
    CheckBox check1;
    TextView text1,text2;
    RadioGroup radioGroup;
    RadioButton rbtn1,rbtn2,rbtn3;
    Button btn1;
    ImageView image;

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

        setTitle("애완동물 사진보기");
        check1 = findViewById(R.id.check1);
        text1 = findViewById(R.id.text1);
        text2 = findViewById(R.id.text2);
        radioGroup = findViewById(R.id.radiogroup);
        rbtn1 = findViewById(R.id.rbtn1);
        rbtn2 = findViewById(R.id.rbtn2);
        rbtn3 = findViewById(R.id.rbtn3);
        btn1 = findViewById(R.id.btn1);
        image = findViewById(R.id.image);


        // 라디오 박스 클릭시마다 이미지 변경
        radioGroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(RadioGroup radioGroup, int i) {
                if(i == R.id.rbtn1)
                {
                    image.setImageResource(R.drawable.dog);
                }
                else if(i == R.id.rbtn2)
                {
                    image.setImageResource(R.drawable.cat);
                }
                else
                {
                    image.setImageResource(R.drawable.rabbit);
                }
            }
        });


        // 선택완료 버튼을 클릭 하면 이미지 변경
        btn1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                switch(radioGroup.getCheckedRadioButtonId())
                {
                    case R.id.rbtn1 : image.setImageResource(R.drawable.dog);
                    break;
                    case R.id.rbtn2 : image.setImageResource(R.drawable.cat);
                    break;
                    case R.id.rbtn3 : image.setImageResource(R.drawable.rabbit);
                    break;
                }
            }
        });

        // onclick으로도 가능하다. ischeecked() 사용
        check1.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
                if(b == true)
                {
                    text2.setVisibility(View.VISIBLE);
                    radioGroup.setVisibility(View.VISIBLE);
                    btn1.setVisibility(View.VISIBLE);
                    image.setVisibility(View.VISIBLE);
                }
                else
                {

                    text2.setVisibility(View.INVISIBLE);
                    radioGroup.setVisibility(View.INVISIBLE);
                    btn1.setVisibility(View.INVISIBLE);
                    image.setVisibility(View.INVISIBLE);
                }
            }
        });

    }
}

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"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <TextView
        android:id="@+id/text1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginLeft="30dp"
        android:text="선택을 시작하겠습니까?"
        android:textSize="24sp" />

    <CheckBox
        android:id="@+id/check1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginLeft="30dp"
        android:text="시작함"
        android:textSize="24sp" />

    <TextView
        android:id="@+id/text2"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginLeft="30dp"
        android:text="좋아하는 애완동물은?"
        android:textSize="24sp"
        android:visibility="invisible" />

    <RadioGroup
        android:id="@+id/radiogroup"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginLeft="30dp"
        android:visibility="invisible">

        <RadioButton
            android:id="@+id/rbtn1"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginLeft="20dp"
            android:text="강아지"
            android:textSize="24sp" />

        <RadioButton
            android:id="@+id/rbtn2"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginLeft="20dp"
            android:text="고양이"
            android:textSize="24sp" />

        <RadioButton
            android:id="@+id/rbtn3"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginLeft="20dp"
            android:text="토끼"
            android:textSize="24sp" />
    </RadioGroup>

    <Button
        android:id="@+id/btn1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="30dp"
        android:text="선택 완료"
        android:visibility="invisible" />

    <ImageView
        android:id="@+id/image"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="30dp"
        android:visibility="invisible"
        app:srcCompat="@drawable/dog" />

</LinearLayout>

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