[Android] 리스트 버튼 / 게시글 가기

게시판 정보를 담는 ArticleVO를 만든다.

 

package com.ktds.jgbaek.simpleboard.vo; /** * Created by 206-008 on 2016-06-08. */ public class ArticleVO { private int articleNo; private String subject; private String description; private String author; public ArticleVO(int articleNo, String subject, String description, String author) { this.articleNo = articleNo; this.subject = subject; this.description = description; this.author = author; } public int getArticleNo() { return articleNo; } public void setArticleNo(int articleNo) { this.articleNo = articleNo; } public String getSubject() { return subject; } public void setSubject(String subject) { this.subject = subject; } public String getDescription() { return description; } public void setDescription(String description) { this.description = description; } public String getAuthor() { return author; } public void setAuthor(String author) { this.author = author; } }

 

ArticleVO를 담는 리스트를 Map으로 만든다.

 

getter setter를 만들때 꿀팁

alt + insert 키를 눌러주면 자동 insert를 시킬수 있다.

getter setter를 insert 시켜보자

 

 

 

 

package com.ktds.jgbaek.simpleboard.db; import com.ktds.jgbaek.simpleboard.vo.ArticleVO; import java.util.ArrayList; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; /** * Created by 206-008 on 2016-06-08. */ public class SimpleDB { private static Map<String, ArticleVO> db =new HashMap<String,ArticleVO>(); public static void addArticle(String index, ArticleVO articleVO) { db.put(index, articleVO); } public static ArticleVO getArticleVO(String index){ return db.get(index); } public static List<String> getIndexes() { Iterator<String> keys = db.keySet().iterator(); List<String> keyList = new ArrayList<String>(); String key=""; while (keys.hasNext()){ key=keys.next(); keyList.add(key); } return keyList; } }

 

Main에서

DB에 Article을 100개 담고

각 Article로 갈 Button과 Listner를 만든다.

 

package com.ktds.jgbaek.simpleboard; import android.content.Intent; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.AppCompatButton; import android.view.View; import android.widget.Button; import android.widget.LinearLayout; import android.widget.Toast; import com.ktds.jgbaek.simpleboard.db.SimpleDB; import com.ktds.jgbaek.simpleboard.vo.ArticleVO; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); prepareSimpleDB(); LinearLayout ll= (LinearLayout) findViewById(R.id.itemList); //반복시작 for(int i=0; i<SimpleDB.getIndexes().size(); i++){ Button button = new AppCompatButton(this); button.setText(SimpleDB.getIndexes().get(i)); button.setOnClickListener(new View.OnClickListener(){ @Override public void onClick(View v) { String buttonText = (String) ((Button)v).getText(); Intent intent = new Intent(v.getContext(), DetailActivity.class); intent.putExtra("key", buttonText); startActivity(intent); } }); ll.addView(button); } //반복끝 } private void prepareSimpleDB() { for(int i=1; i<100; i++){ SimpleDB.addArticle(i+"번글", new ArticleVO(i,i+"번글 입니다.", i+"번글 입니다. 내용입니다.", "내가 씀")); } }

 

 

Detail에서

Main에서 보내준 intent를 받아 Activity 에 뿌려준다.

 

package com.ktds.jgbaek.simpleboard; import android.content.Intent; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.widget.TextView; import android.widget.Toast; import com.ktds.jgbaek.simpleboard.db.SimpleDB; import com.ktds.jgbaek.simpleboard.vo.ArticleVO; public class DetailActivity extends AppCompatActivity { //textView 멤버변수를 적어준다. private TextView tvSubject; private TextView tvArticleNo; private TextView tvAuthor; private TextView tvDescription; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_detail); tvSubject = (TextView) findViewById(R.id.tvSubject); tvArticleNo = (TextView) findViewById(R.id.tvArticleNo); tvAuthor = (TextView) findViewById(R.id.tvAuthor); tvDescription = (TextView) findViewById(R.id.tvDescription); Intent intent = getIntent(); String key = intent.getStringExtra("key"); ArticleVO articleVO = SimpleDB.getArticleVO(key); tvSubject.setText(articleVO.getSubject()); tvArticleNo.setText(articleVO.getArticleNo()+""); tvAuthor.setText(articleVO.getAuthor()); tvDescription.setText(articleVO.getDescription()); } @Override public void onBackPressed() { super.onBackPressed(); Toast.makeText(DetailActivity.this, "엑티비티를 종료합니다.", Toast.LENGTH_SHORT).show(); } }

 

 

Main Activity

<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:orientation="vertical" android:id="@+id/listView" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context="com.ktds.jgbaek.simpleboard.MainActivity"> <ScrollView android:id="@+id/scrollView" android:layout_width="match_parent" android:layout_height="match_parent"> <LinearLayout android:orientation="vertical" android:id="@+id/itemList" android:layout_width="match_parent" android:layout_height="match_parent"> </LinearLayout> </ScrollView> </LinearLayout>

 

Detail Activity

<?xml version="1.0" encoding="utf-8"?> <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:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context="com.ktds.jgbaek.simpleboard.DetailActivity"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textAppearance="?android:attr/textAppearanceLarge" android:text="Large Text" android:id="@+id/tvSubject" android:layout_alignParentTop="true" android:layout_alignParentLeft="true" android:layout_alignParentStart="true" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textAppearance="?android:attr/textAppearanceSmall" android:text="Small Text" android:id="@+id/tvArticleNo" android:layout_alignBottom="@+id/tvSubject" android:layout_toRightOf="@+id/tvSubject" android:layout_toEndOf="@+id/tvSubject" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textAppearance="?android:attr/textAppearanceMedium" android:text="Medium Text" android:id="@+id/tvAuthor" android:layout_below="@+id/tvArticleNo" android:layout_alignParentLeft="true" android:layout_alignParentStart="true" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="New Text" android:id="@+id/tvDescription" android:layout_below="@+id/tvAuthor" android:layout_alignParentLeft="true" android:layout_alignParentStart="true" /> </RelativeLayout>

 

 

결과 화면 :

페키지 현황

 

 

Main Activity

 

 

Detail Activity