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art + insert = getter, setter, 생성자 등을 만드는 단축키
MainActivity.java
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package com.ktds.mycheckbox;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.widget.CheckBox;
import android.widget.Toast;
import java.util.ArrayList;
import java.util.List;
public class MainActivity extends ActionBarActivity {
private CheckBox chkFishing;
private CheckBox chkSwim;
private CheckBox chkSkin;
private CheckBox chkNon;
private List<String> checkedHobby;
public List<String> getCheckedHobby() {
return checkedHobby;
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
checkedHobby = new ArrayList<String>();
// Inflate 된 Widget을 하나씩 초기화 시킨다,.
setInitiate();
// Listener를 등록한다.
setInitiateListener();
}
private void setInitiate(){
chkFishing = (CheckBox) findViewById(R.id.chkFishing);
chkSwim = (CheckBox) findViewById(R.id.chkSwim);
chkSkin = (CheckBox) findViewById(R.id.chkSkin);
chkNon = (CheckBox) findViewById(R.id.chkNon);
}
private void setInitiateListener() {
MyHobbyClickListener myHobbyClickListener = new MyHobbyClickListener(this);
chkFishing.setOnClickListener(myHobbyClickListener);
chkSwim.setOnClickListener(myHobbyClickListener);
chkSkin.setOnClickListener(myHobbyClickListener);
chkNon.setOnClickListener(myHobbyClickListener);
}
public void setChecked(int checkBoxId, boolean isChecked){
if(checkBoxId == R.id.chkFishing){
chkFishing.setChecked(isChecked);
if(isChecked){
chkNon.setChecked(false);
}
}
else if(checkBoxId == R.id.chkSwim){
chkSwim.setChecked(isChecked);
if(isChecked){
chkNon.setChecked(false);
}
}
else if(checkBoxId == R.id.chkSkin){
chkSkin.setChecked(isChecked);
if(isChecked){
chkNon.setChecked(false);
}
}
else if(checkBoxId == R.id.chkNon){
chkNon.setChecked(isChecked);
if(isChecked) {
chkFishing.setChecked(false);
chkSwim.setChecked(false);
chkSkin.setChecked(false);
}
}
}
public void showCheckedHobbies(){
String message = "";
for(String hobby : checkedHobby){
message += hobby + ",";
}
if(message.length()>0){
// 끝자리 Comma 제거
message = message.substring(0,message.length()-1);
}
Toast.makeText(this, message, Toast.LENGTH_LONG).show();
}
}
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cs |
MyHobbyClickListener.java
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package com.ktds.mycheckbox;
import android.content.Context;
import android.view.View;
import android.widget.CheckBox;
/**
* Created by 206-001 on 2015-06-16.
*/
public class MyHobbyClickListener implements CheckBox.OnClickListener{
// activity 의 super class
private Context context;
public MyHobbyClickListener(Context context) {
this.context = context;
}
@Override
public void onClick(View v) {
// checkbox 선택 여부
boolean isChecked = ((CheckBox )v).isChecked();
//선택된 checkbox id 가져옴
int checkBoxId = v.getId();
if(checkBoxId == R.id.chkFishing){
if(isChecked) {
((MainActivity) context).getCheckedHobby().add("낚시");
}
else{
((MainActivity) context).getCheckedHobby().remove("낚시");
}
}
else if(checkBoxId == R.id.chkSwim){
if(isChecked) {
((MainActivity) context).getCheckedHobby().add("수영");
}
else{
((MainActivity) context).getCheckedHobby().remove("수영");
}
}
else if(checkBoxId == R.id.chkSkin){
if(isChecked) {
((MainActivity) context).getCheckedHobby().add("스킨스쿠버");
}
else{
((MainActivity) context).getCheckedHobby().remove("스킨스쿠버");
}
}
else if(checkBoxId == R.id.chkNon){
if(isChecked) {
((MainActivity) context).getCheckedHobby().clear();
}
}
((MainActivity) context).setChecked(checkBoxId,isChecked);
((MainActivity) context).showCheckedHobbies();
}
}
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cs |
activity_main.xml
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<LinearLayout
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:orientation="vertical"
tools:context=".MainActivity">
<!--
제약사항 : ScrollView는 단 하나의 View 밖에 처리하지 못한다.
ScrollView 안에 LinearLayout을 한번 더 감싸서 하나의 view로 묶어 줌
-->
<ScrollView
android:layout_width="match_parent"
android:layout_height="wrap_content">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<TextView
android:text="취미를 선택하세요"
android:textSize="20dp"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<CheckBox
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="낚시"
android:id="@+id/chkFishing"
android:checked="true"
/>
<CheckBox
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="수영"
android:id="@+id/chkSwim" />
<CheckBox
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="스킨스쿠버"
android:id="@+id/chkSkin" />
<CheckBox
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="없음"
android:id="@+id/chkNon" />
</LinearLayout>
</ScrollView>
</LinearLayout> |
cs |
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