ANDROID/CONCEPT

[Android] 3강. 알림창을 이용한 종료 버튼 및 리스트 보기

너래쟁이 2018. 3. 25. 23:00
https://www.youtube.com/watch?v=ukIG6_Jebqo&t=301s


MainActivity.java

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package com.example.kbw.tutorial;
 
import android.content.DialogInterface;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
    // 리스트 버튼을 눌렀을때, 알림창 뜨게하기
public class MainActivity extends AppCompatActivity {
 
    private String[] items = {"망고 쥬스","토마토 쥬스","포도 쥬스"};
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
 
        Button listButton = (Button) findViewById(R.id.listbutton);
        // 종료버튼
        listButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
                builder.setTitle("리스트");
                builder.setItems(items, new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int i) {
                        Toast.makeText(getApplicationContext(), items[i], Toast.LENGTH_SHORT).show();
                    }
                });
                AlertDialog alertDialog = builder.create();
                alertDialog.show();
            }
        });
        Button exitButton = (Button) findViewById(R.id.exitbutton);
        exitButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
                builder.setMessage("정말로 종료하시겠습니까?");
                builder.setTitle("종료 알림창")
                        .setCancelable(false)
                        .setPositiveButton("Yes", new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int i) {
                                finish(); // 종료
                            }
                        })
                        .setNegativeButton("No", new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int i) {
                                dialog.cancel(); // 종료하지않기
                            }
                        });
                AlertDialog alert = builder.create();
                alert.setTitle("종료 알림창");
                alert.show();
            }
        });
    }
}
 
cs


activity_main.xml