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1. MainActivity.java

 

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package ...
 
import android.graphics.Color;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.TypedValue;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;
 
public class MainActivity extends AppCompatActivity {
 
    LinearLayout linearLayout;
 
    String[] names = {"철수""영희""민희""수지""지민"};
 
    int count = 0;
 
    Person[] persons = new Person[5];
 
    TextView textView;
 
    String[][] phonebook = new String[2][5];
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
 
        String[] friends = {"철수""영희""민희""수지""지민"};
        phonebook[0= friends;
 
        String[] family = {"할머니""할아버지""엄마""아빠""동생"};
        phonebook[1= family;
 
        String outNames = "";
        for (int i = 0; i < phonebook.length; i++) {
            outNames = outNames + ("\n" + i + " 인덱스의 그룹 : ");
            for (int j = 0; j < phonebook[i].length; j++) {
                outNames = outNames + phonebook[i][j];
                if (j < (phonebook[i].length-1)) {
                    outNames = outNames + ",";
                }
            }
        }
 
        System.out.println(outNames);
 
        linearLayout = (LinearLayout) findViewById(R.id.linearLayout);
        textView = (TextView) findViewById(R.id.textView);
 
        Button button = (Button) findViewById(R.id.button);
        button.setOnClickListener(new View.OnClickListener() {
 
            @Override
            public void onClick(View arg0) {
                if (count >= persons.length) {
                    Person[] tempPersons = new Person[persons.length + 5];
                    System.arraycopy(persons, 0, tempPersons, 0, persons.length);
                    persons = tempPersons;
                }
 
                int nameIndex = count % 5;
                persons[count] = new Person(names[nameIndex]);
                Toast.makeText(getApplicationContext(), "사람 " + names[nameIndex] + "이 만들어졌습니다.", Toast.LENGTH_LONG).show();
 
                String curName = persons[count].getName();
                TextView nameTextView = new TextView(getApplicationContext());
                nameTextView.setText(curName);
                nameTextView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 30);
                nameTextView.setTextColor(Color.BLUE);
 
                LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT);
 
                linearLayout.addView(nameTextView, params);
 
 
                count++;
 
                textView.setText(count + " 명");
 
            }
 
        });
 
    }
 
cs

 

2. activity_main.xml

 

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<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
    android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity">
 
    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="사람 만들기"
        android:id="@+id/button"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true" />
 
    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/scrollView"
        android:layout_below="@+id/button"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:layout_alignParentBottom="true"
        android:layout_alignParentRight="true"
        android:layout_alignParentEnd="true" >
 
        <LinearLayout
            android:orientation="vertical"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:id="@+id/linearLayout"></LinearLayout>
    </ScrollView>
 
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="0 명"
        android:id="@+id/textView"
        android:layout_alignParentTop="true"
        android:layout_alignRight="@+id/scrollView"
        android:layout_alignEnd="@+id/scrollView"
        android:textSize="30dp" />
</RelativeLayout>
 
cs
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