#16 ( alert )

alert 창 띄이기

5가지 alert창

; 1~5번 alert창 만들기.

 

(1)                                                                   (2)

(3)                                                         (4)                                                  (5)  

 

(1) activity_main.xml

; 1~5번 버튼을 만든다.

<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"
    tools:context=".MainActivity" >

    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:text="1" />

    <Button
        android:id="@+id/button2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_toRightOf="@+id/button1"
        android:text="2" />

    <Button
        android:id="@+id/button3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_toRightOf="@+id/button2"
        android:text="3" />

    <Button
        android:id="@+id/button4"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_toRightOf="@+id/button3"
        android:text="4" />

    <Button
        android:id="@+id/button5"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_toRightOf="@+id/button4"
        android:text="5" />

</RelativeLayout>

 

(2) order.xml

; alert5번 창 layout을 만든다.

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        android:padding="5dp">
            <TextView
                android:layout_width="100dp"
                android:layout_height="wrap_content"
                android:text="제품명" />
            <EditText
                android:id="@+id/edtName"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:ems="10" >
                <requestFocus />
            </EditText>
    </LinearLayout>
  <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        android:padding="5dp">
            <TextView
                android:layout_width="100dp"
                android:layout_height="wrap_content"
                android:text="수량" />
            <EditText
                android:id="@+id/edtCnt"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:ems="10" >
            </EditText>
    </LinearLayout>
     <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        android:padding="5dp">
        <CheckBox android:id="@+id/payMethod"
             android:layout_width="match_parent"
          android:layout_height="wrap_content"
          android:text="착불결재"/>   
      </LinearLayout>
</LinearLayout>

 

 

(3) MainActivity.java

;

package com.example.test16_alertdlg;

import android.os.Bundle;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.Toast;

public class MainActivity extends Activity {
    Button btn1;
    Button btn2;
    Button btn3;
    Button btn4;
    Button btn5;
   
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
       
        btn1=(Button)findViewById(R.id.button1);
        btn2=(Button)findViewById(R.id.button2);
        btn3=(Button)findViewById(R.id.button3);
        btn4=(Button)findViewById(R.id.button4);
        btn5=(Button)findViewById(R.id.button5);

 

        btn1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                /*AlertDialog.Builder dlg =
                        new AlertDialog.Builder(MainActivity.this);
                //제목설정
                dlg.setTitle("나의 대화상자");
                //아이콘
                dlg.setIcon(R.drawable.ic_launcher);
               
                dlg.setMessage("안녕하세요.나의 대화상자에요.!");
                //화면에 보이기
                dlg.show();*/
               
                //위에것을 줄여서 아래와 같이 사용.
                new AlertDialog.Builder(MainActivity.this)
                .setTitle("나의 대화상자")
                .setIcon(R.drawable.ic_launcher)
                .setMessage("안녕하세요.나의 대화상자에요.!")
                .show();
            }
        });

       

        btn2.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                new AlertDialog.Builder(MainActivity.this)
                .setTitle("나의 대화상자")
                .setIcon(R.drawable.ic_launcher)
                .setPositiveButton("확인", new DialogInterface.OnClickListener() {                   
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        Toast.makeText(MainActivity.this, "확인", Toast.LENGTH_LONG).show();                       
                    }
                })//긍정의 버튼
                .setNeutralButton("중립", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        Toast.makeText(MainActivity.this, "중립", Toast.LENGTH_LONG).show();
                    }
                })//부정의 버튼
                .setNegativeButton("닫기", null)//부정의 버튼               
                .show();
            }
        });

 

        btn3.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                new AlertDialog.Builder(MainActivity.this)
                .setIcon(R.drawable.ic_launcher)
                .setTitle("음식메뉴")
                //res에 있는 string배열 얻어와 항목으로 보이기.
                .setItems(R.array.foods, new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {//선택한 인덱스 번호 which
                        //리소스 배열을 string배열로 얻어오기
                        String foods[]=getResources().getStringArray(R.array.foods);
                        //선택한 인덱스가 which에 담겨있음.
                        String selectItem = foods[which];//선택한 메뉴얻어오기.
                        Toast.makeText(MainActivity.this, "선택메뉴:" + selectItem, Toast.LENGTH_LONG).show();
                    }
                })
                .setNegativeButton("닫기", null)
                .show();
            }           
        });

 

        btn4.setOnClickListener(new View.OnClickListener() {
            final boolean checked[]={false,false,false,false};
            @Override
            public void onClick(View v) {
                new AlertDialog.Builder(MainActivity.this)
                .setTitle("메뉴선택")
                .setIcon(R.drawable.ic_launcher)
                .setMultiChoiceItems(R.array.foods,
                        checked,
                        new DialogInterface.OnMultiChoiceClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int which, boolean isChecked) {
                                //체크된 상태를 checked배열에 저장.
                                checked[which]=isChecked;
                            }
                }).setPositiveButton("확인",new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        // xml에 있는 문자열을 String배열로 바꾸기
                        String foods[] = getResources().getStringArray(R.array.foods);
                        String selected="";
                        for(int i=0;i<foods.length;i++){
                            //체크된 항목인 경우
                            if(checked[i]){
                                //문자열에 연결
                                selected+=" " + foods[i];
                            }
                        }
                        Toast.makeText(MainActivity.this, "선택메뉴:" + selected, Toast.LENGTH_LONG).show();
                    }
                }).show();
            }
        });

 

        //커스텀 대화상자 띄우기
        btn5.setOnClickListener(new OnClickListener() {
           
            @Override
            public void onClick(View v) {
                //order.xml을 자바객체로 변환하기.
                //LayoutInflater객체 얻어오기           
                final LinearLayout layout = (LinearLayout)View.inflate(MainActivity.this, R.layout.order, null);
               
                new AlertDialog.Builder(MainActivity.this)
                .setTitle("주문정보입력")
                .setIcon(R.drawable.ic_launcher)
                .setView(layout)
                .setPositiveButton("확인", new DialogInterface.OnClickListener() {
                   
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        // 입력된 값 얻어오기
                        EditText edtName = (EditText)layout.findViewById(R.id.edtName);
                        EditText edtCnt = (EditText)layout.findViewById(R.id.edtCnt);
                        CheckBox payMethod = (CheckBox)layout.findViewById(R.id.payMethod);
                       
                        String msg="주문정보:" + edtName.getText().toString() + "\n"
                                + "수량 :" + edtCnt.getText().toString() + "\n"
                                + (payMethod.isChecked()?"착불결제":"");
                        Toast.makeText(MainActivity.this, msg, Toast.LENGTH_LONG).show();
                    }
                })
                .setNegativeButton("취소", null)
                .show();
            }
        });

    }
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.activity_main, menu);
        return true;
    }
}