android - 투표 최대결과 인텐트 전환하며 값 넘겨주기 (Activity, Intent, putExtra, getIntent, getIntArrayExtra, getStringArrayExtra)

파일명 : 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:layout_width="fill_parent"
    android:layout_height="fill_parent"
    tools:context=".MainActivity"
    android:orientation="vertical">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="3">

        <ImageView
            android:id="@+id/iv1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="5dp"
            android:layout_weight="1"
            android:src="@drawable/pic1" />
        <ImageView
            android:id="@+id/iv2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="5dp"
            android:layout_weight="1"
            android:src="@drawable/pic2" />
        <ImageView
            android:id="@+id/iv3"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="5dp"
            android:layout_weight="1"
            android:src="@drawable/pic3" />
    </LinearLayout>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="3">

        <ImageView
            android:id="@+id/iv4"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="5dp"
            android:layout_weight="1"
            android:src="@drawable/pic4" />
        <ImageView
            android:id="@+id/iv5"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="5dp"
            android:layout_weight="1"
            android:src="@drawable/pic5" />
        <ImageView
            android:id="@+id/iv6"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="5dp"
            android:layout_weight="1"
            android:src="@drawable/pic6" />
    </LinearLayout>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="3">

        <ImageView
            android:id="@+id/iv7"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="5dp"
            android:layout_weight="1"
            android:src="@drawable/pic7" />
        <ImageView
            android:id="@+id/iv8"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="5dp"
            android:layout_weight="1"
            android:src="@drawable/pic8" />
        <ImageView
            android:id="@+id/iv9"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="5dp"
            android:layout_weight="1"
            android:src="@drawable/pic9" />
    </LinearLayout>
    <Button
        android:id="@+id/btnResult"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:text="투표종료" />
</LinearLayout>

파일명 : activity_result.xml

<?xml version="1.0" encoding="utf-8"?>
<TableLayout 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=".ResultActivity"
    android:gravity="center_vertical"
    android:stretchColumns="0">

    <TableRow>
        <TextView
            android:id="@+id/txtView1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:gravity="center_horizontal"
            android:layout_span="2" />
    </TableRow>
    <TableRow>
        <ImageView
            android:id="@+id/imgView1"
            android:layout_height="wrap_content"
            android:layout_width="wrap_content"
            android:gravity="center_horizontal"
            android:layout_span="2" />
    </TableRow>

    <TableRow>
        <TextView
            android:id="@+id/tv1"
            android:layout_gravity="center_vertical"
            android:text="그림1"
            android:textSize="15dp" />
        <RatingBar
            android:id="@+id/rbar1"
            style="?android:attr/ratingBarStyleSmall"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="right" >
        </RatingBar>
    </TableRow>
    <TableRow>
        <TextView
            android:id="@+id/tv2"
            android:layout_gravity="center_vertical"
            android:text="그림2"
            android:textSize="15dp" />
        <RatingBar
            android:id="@+id/rbar2"
            style="?android:attr/ratingBarStyleSmall"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="right" >
        </RatingBar>
    </TableRow>

    <TableRow>
        <TextView
            android:id="@+id/tv3"
            android:layout_gravity="center_vertical"
            android:text="그림3"
            android:textSize="15dp" />
        <RatingBar
            android:id="@+id/rbar3"
            style="?android:attr/ratingBarStyleSmall"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="right" >
        </RatingBar>
    </TableRow>

    <TableRow>
        <TextView
            android:id="@+id/tv4"
            android:layout_gravity="center_vertical"
            android:text="그림4"
            android:textSize="15dp" />
        <RatingBar
            android:id="@+id/rbar4"
            style="?android:attr/ratingBarStyleSmall"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="right" >
        </RatingBar>
    </TableRow>

    <TableRow>
        <TextView
            android:id="@+id/tv5"
            android:layout_gravity="center_vertical"
            android:text="그림5"
            android:textSize="15dp" />
        <RatingBar
            android:id="@+id/rbar5"
            style="?android:attr/ratingBarStyleSmall"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="right" >
        </RatingBar>
    </TableRow>

    <TableRow>
        <TextView
            android:id="@+id/tv6"
            android:layout_gravity="center_vertical"
            android:text="그림6"
            android:textSize="15dp" />
        <RatingBar
            android:id="@+id/rbar6"
            style="?android:attr/ratingBarStyleSmall"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="right" >
        </RatingBar>
    </TableRow>

    <TableRow>
        <TextView
            android:id="@+id/tv7"
            android:layout_gravity="center_vertical"
            android:text="그림7"
            android:textSize="15dp" />
        <RatingBar
            android:id="@+id/rbar7"
            style="?android:attr/ratingBarStyleSmall"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="right" >
        </RatingBar>
    </TableRow>

    <TableRow>
        <TextView
            android:id="@+id/tv8"
            android:layout_gravity="center_vertical"
            android:text="그림8"
            android:textSize="15dp" />
        <RatingBar
            android:id="@+id/rbar8"
            style="?android:attr/ratingBarStyleSmall"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="right" >
        </RatingBar>
    </TableRow>

    <TableRow>
        <TextView
            android:id="@+id/tv9"
            android:layout_gravity="center_vertical"
            android:text="그림9"
            android:textSize="15dp" />
        <RatingBar
            android:id="@+id/rbar9"
            style="?android:attr/ratingBarStyleSmall"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="right" >
        </RatingBar>
    </TableRow>

    <TableRow>
        <Button
            android:id="@+id/btnReturn"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_span="2"
            android:text="돌아가기" />
    </TableRow>

</TableLayout>

파일명 : MainActivity.java

package com.example.it.myapplication8_4;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    @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 = {
          "독서하는 소녀", "꽃장식 모자 소녀", "부채를 든 소녀", "이레느깡 단 베르양",
                "잠자는 소녀", "테라스의 두 자매", "피아노 레슨", "피아노 앞의 소녀들", "해변에서"
        };

        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 v) {
                    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() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(getApplicationContext(), ResultActivity.class);
                intent.putExtra("VoteCount", voteCount);
                intent.putExtra("ImageName", imgName);
                startActivity(intent);
            }
        });

    }
}

파일명 : ResultActivity.java

package com.example.it.myapplication8_4;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.RatingBar;
import android.widget.TextView;

public class ResultActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_result);
        setTitle("투표결과");


        final String[] imgName = {
                "독서하는 소녀", "꽃장식 모자 소녀", "부채를 든 소녀", "이레느깡 단 베르양",
                "잠자는 소녀", "테라스의 두 자매", "피아노 레슨", "피아노 앞의 소녀들", "해변에서"
        };
        int[] image = {R.drawable.pic1, R.drawable.pic2, R.drawable.pic3,
                        R.drawable.pic4, R.drawable.pic5, R.drawable.pic6,
                        R.drawable.pic7, R.drawable.pic8, R.drawable.pic9 };


        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];

        TextView txtView1 = (TextView) findViewById(R.id.txtView1);
        ImageView imgView1 = (ImageView) findViewById(R.id.imgView1);

        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]);
        }

        float maxNum = 0;
        int maxIndex = 0;
        for (int i = 0; i < voteResult.length; i++ ) {
            tv[i].setText(imageName[i]);
            rbar[i].setRating((float) voteResult[i]);

            if (maxNum < (float) voteResult[i]) {
                maxNum = (float) voteResult[i];
                maxIndex = i;
            }
        }

        txtView1.setText(imgName[maxIndex]);
        imgView1.setImageResource(image[maxIndex]) ;

        Button btnReturn = (Button) findViewById(R.id.btnReturn);
        btnReturn.setOnClickListener(new View.OnClickListener() {
                                         @Override
                                         public void onClick(View v) {
                                             finish();
                                         }
                                     }

        );
    }
}

파일명 : AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.it.myapplication8_4">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity android:name=".ResultActivity"></activity>
    </application>

</manifest>