[Android] 여자아이돌 선호도 투표앱

activity_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:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">
    <LinearLayout
        android:orientation="horizontal"
        android:layout_width="match_parent"
        android:layout_height="0dp"

        android:layout_weight="3">
        <ImageView
            android:id="@+id/iv1"
            android:layout_weight="1"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_margin="5dp"
            android:src="@drawable/arine" />
        <ImageView
            android:id="@+id/iv2"
            android:layout_weight="1"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_margin="5dp"
            android:src="@drawable/heri" />
        <ImageView
            android:id="@+id/iv3"
            android:layout_weight="1"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_margin="5dp"
            android:src="@drawable/jenny" />
    </LinearLayout>
    <LinearLayout
        android:orientation="horizontal"
        android:layout_width="match_parent"
        android:layout_height="0dp"

        android:layout_weight="3">
        <ImageView
            android:id="@+id/iv4"
            android:layout_weight="1"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_margin="5dp"
            android:src="@drawable/jisu" />
        <ImageView
            android:id="@+id/iv5"
            android:layout_weight="1"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_margin="5dp"
            android:src="@drawable/jong" />
        <ImageView
            android:id="@+id/iv6"
            android:layout_weight="1"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_margin="5dp"
            android:src="@drawable/karina" />
    </LinearLayout>
    <LinearLayout
        android:orientation="horizontal"
        android:layout_width="match_parent"
        android:layout_height="0dp"

        android:layout_weight="3">
        <ImageView
            android:id="@+id/iv7"
            android:layout_weight="1"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_margin="5dp"
            android:src="@drawable/winter" />
        <ImageView
            android:id="@+id/iv8"
            android:layout_weight="1"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_margin="5dp"
            android:src="@drawable/rose" />
        <ImageView
            android:id="@+id/iv9"
            android:layout_weight="1"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_margin="5dp"
            android:src="@drawable/miju" />
    </LinearLayout>
    <Button
        android:id="@+id/btnResult"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:backgroundTint="#40000000"
        android:textColor="@color/black"
        android:text="투표 종료 "/>
</LinearLayout>

result.xml

<?xml version="1.0" encoding="utf-8"?>
<TableLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center_vertical"
    android:stretchColumns="0">
    <TableRow>
        <TextView
            android:id="@+id/tv1"
            android:layout_gravity="center_vertical"
            android:text="아린"
            android:textSize="15dp"/>
        <RatingBar
            android:id="@+id/rbar1"
            style="?android:attr/ratingBarStyleIndicator"
            android:layout_gravity="right"/>
    </TableRow>
    <TableRow>
        <TextView
            android:id="@+id/tv2"
            android:layout_gravity="center_vertical"
            android:text="혜리"
            android:textSize="15dp"/>
        <RatingBar
            android:id="@+id/rbar2"
            style="?android:attr/ratingBarStyleIndicator"
            android:layout_gravity="right"/>
    </TableRow>
    <TableRow>
        <TextView
            android:id="@+id/tv3"
            android:layout_gravity="center_vertical"
            android:text="제니"
            android:textSize="15dp"/>
        <RatingBar
            android:id="@+id/rbar3"
            style="?android:attr/ratingBarStyleIndicator"
            android:layout_gravity="right"/>
    </TableRow>
    <TableRow>
        <TextView
            android:id="@+id/tv4"
            android:layout_gravity="center_vertical"
            android:text="지수"
            android:textSize="15dp"/>
        <RatingBar
            android:id="@+id/rbar4"
            style="?android:attr/ratingBarStyleIndicator"
            android:layout_gravity="right"/>
    </TableRow>
    <TableRow>
        <TextView
            android:id="@+id/tv5"
            android:layout_gravity="center_vertical"
            android:text="효정"
            android:textSize="15dp"/>
        <RatingBar
            android:id="@+id/rbar5"
            style="?android:attr/ratingBarStyleIndicator"
            android:layout_gravity="right"/>
    </TableRow>
    <TableRow>
        <TextView
            android:id="@+id/tv6"
            android:layout_gravity="center_vertical"
            android:text="카리나"
            android:textSize="15dp"/>
        <RatingBar
            android:id="@+id/rbar6"
            style="?android:attr/ratingBarStyleIndicator"
            android:layout_gravity="right"/>
    </TableRow>
    <TableRow>
        <TextView
            android:id="@+id/tv7"
            android:layout_gravity="center_vertical"
            android:text="윈터"
            android:textSize="15dp"/>
        <RatingBar
            android:id="@+id/rbar7"
            style="?android:attr/ratingBarStyleIndicator"
            android:layout_gravity="right"/>
    </TableRow>
    <TableRow>
        <TextView
            android:id="@+id/tv8"
            android:layout_gravity="center_vertical"
            android:text="로제"
            android:textSize="15dp"/>
        <RatingBar
            android:id="@+id/rbar8"
            style="?android:attr/ratingBarStyleIndicator"
            android:layout_gravity="right"/>
    </TableRow>
    <TableRow>
        <TextView
            android:id="@+id/tv9"
            android:layout_gravity="center_vertical"
            android:text="미주"
            android:textSize="15dp"/>
        <RatingBar
            android:id="@+id/rbar9"
            style="?android:attr/ratingBarStyleIndicator"
            android:layout_gravity="right"/>
    </TableRow>
    <TableRow>
        <Button
            android:id="@+id/btnReturn"
            android:layout_span="2"
            android:backgroundTint="#40000000"
            android:textColor="@color/black"
            android:text="돌아가기"/>
    </TableRow>

</TableLayout>

MainActivity.java

package com.example.project10_2;

import androidx.appcompat.app.AppCompatActivity;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.Toast;

public class MainActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        setTitle("명화 선호도 투표");
        final int voteCount[] = new int[9];
        for(int i=0;i<9;i++){
            voteCount[i]=0;
        }

        ImageView image[] = new ImageView[9];
        Integer imageId[]={R.id.iv1,R.id.iv2,R.id.iv3,R.id.iv4,R.id.iv5,R.id.iv6,R.id.iv7,R.id.iv8,R.id.iv9};
        final String imgName[] = {"아린","혜리","제니","지수","효정","카리나","윈터","로제","미주"};

        for(int i=0;i<imageId.length;i++){
            final int index;
            index = i;
            image[index] = (ImageView) findViewById(imageId[index]);
            image[index].setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View view) {
                    voteCount[index]++;
                    Toast.makeText(getApplicationContext(),imgName[index]+" : 총 "+voteCount[index]+" 표",Toast.LENGTH_SHORT).show();
                }
            });
        }
        Button btnFinish = (Button) findViewById(R.id.btnResult);
        btnFinish.setOnClickListener(new View.OnClickListener(){
            public void onClick(View V){
                Intent intent = new Intent(getApplicationContext(),ResultActivity.class);
                //voteCount와 imgName을 다른 자바에게 넘겨줄 수 있다.
                intent.putExtra("VoteCount",voteCount);
                intent.putExtra("ImageName",imgName);
                startActivity(intent);
            }
        });
    }
}

ResultActivity.java

package com.example.project10_2;

import android.app.Activity;
import android.content.Intent;
import android.media.Rating;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.RatingBar;
import android.widget.TextView;

public class ResultActivity extends Activity {
    protected void onCreate(Bundle savedInstanceState){
        super.onCreate(savedInstanceState);
        setContentView(R.layout.result);
        setTitle("투표 결과");

        //intent 함수를 이용하여 값을 받아온다
        Intent intent = getIntent();
        int[] voteResult = intent.getIntArrayExtra("VoteCount");
        String[] imageName = intent.getStringArrayExtra("ImageName");

        TextView tv[] = new TextView[imageName.length];
        RatingBar rbar[]=new RatingBar[imageName.length];

        Integer tvID[] ={R.id.tv1,R.id.tv2,R.id.tv3,R.id.tv4,R.id.tv5,R.id.tv6,R.id.tv7,R.id.tv8,R.id.tv9};
        Integer rbarID[] = {R.id.rbar1,R.id.rbar2,R.id.rbar3,R.id.rbar4,R.id.rbar5,R.id.rbar6,R.id.rbar7,R.id.rbar8,R.id.rbar9};
        for(int i = 0 ; i < voteResult.length; i++){
            tv[i]=(TextView)findViewById(tvID[i]);
            rbar[i]=(RatingBar)findViewById(rbarID[i]);
        }
        for(int i = 0 ; i < voteResult.length; i++){
            tv[i].setText(imageName[i]);
            rbar[i].setRating((float)voteResult[i]);
        }
        Button btnReturn = (Button) findViewById(R.id.btnReturn);
        btnReturn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                finish();
            }
        });
    }
}

 

배운 점

putExtra를 사용하여 현재 자바파일에 있는 값을 다른 자바파일에서 쓸 수 있게 할 수 있고, getIntArrayExtra, getStringArrayExtra를 이용해 그 값을 받아 올 수 있다.

 

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