1,2,3 순서대로 누르기

1,2,3 순서대로누르기

<?xml version="1.0" encoding="utf-8"?>
<!-- activity_main.xml -->
<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">
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_weight="1"
        android:orientation="horizontal" >

        <Button
            android:id="@+id/b1"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:gravity="center"
            android:layout_margin="1dp"
            android:layout_weight="1"
            android:text="1"
            android:textSize="30dp"/>
        <Button
            android:id="@+id/b2"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:gravity="center"
            android:layout_margin="1dp"
            android:layout_weight="1"
            android:text="2"
            android:textSize="30dp"/>

        <Button
            android:id="@+id/b3"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:gravity="center"
            android:layout_margin="1dp"
            android:layout_weight="1"
            android:text="3"
            android:textSize="30dp"/>
    </LinearLayout>
    <TextView
        android:id="@+id/tv"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="게임 중"
        android:textSize="30dp"
        android:layout_gravity="center"
        android:textColor="#0000ff"/>



</LinearLayout>

// MainActivity.java
public class MainActivity extends AppCompatActivity {

    int[] arr = new int[4];

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

        arr[0] = 1;
        for (int i=1; i<4; i++)
        {
            arr[i] = i;
        }

        Button b1 = findViewById(R.id.b1);
        Button b2 = findViewById(R.id.b2);
        Button b3 = findViewById(R.id.b3);
        TextView textView = findViewById(R.id.tv);

        b1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (arr[0] == 1)
                {
                    arr[0]++;
                    textView.setText(Integer.toString(arr[0]) + "누를차례");
                }
            }
        });
        b2.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (arr[0] == 2)
                {
                    arr[0]++;
                    textView.setText(Integer.toString(arr[0]) + "누를차례");
                }
            }
        });
        b3.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (arr[0] == 3)
                {
                    arr[0]++;
                    textView.setText("게임끝");
                }
            }
        });
    }
}