jsoup으로 JTBC 뉴스 RSS 읽어오는 예제 - 1 [Android]

JTBC의 RSS 서비스 링크

http://news.jtbc.joins.com/Etc/RssService.aspx

<RSS 서비스 메인>

<속보 RSS xml>

Jsoup을 이용해 rss 서비스 주소와 이름을 가져오고 이걸로 안드로이드에 Tab layout(탭)으로 만든다

원하는 메뉴(속보, 정치, 경제, 사회, 국제, 문화, 연예, 스포츠, 풀영상, 뉴스랭킹, 뉴스룸, 아침&, 뉴스현장, 정치부회의)를 누르면

해당 서비스 주소에 나오는 뉴스를 ListView(리스트)로 보여준다

[예제 따라하기 1 ~ 기본 액티비티 및 Dependencies 설정]

1. Tabbed Activity - Action Bar Tabs (with ViewPager)로 액티비티 설정하여 만든다

2. 기본으로 만들어진 프로젝트에 있는 주석과 안쓰는 부분, fragment xml을 삭제한다

[MainActivity]

- mSectionsPagerAdapter 선언 삭제 ( 빨간색 뜨는 부분 다 삭제)

- 메소드 onCreate 외에 다 삭제

- onCreate메소드 안의 Adapter부분, Listener부분, FloatingActionButton부분 삭제

public class MainActivity extends AppCompatActivity {

    /**

     * The {@link android.support.v4.view.PagerAdapter} that will provide

     * fragments for each of the sections. We use a

     * {@link FragmentPagerAdapter} derivative, which will keep every

     * loaded fragment in memory. If this becomes too memory intensive, it

     * may be best to switch to a

     * {@link android.support.v4.app.FragmentStatePagerAdapter}.

     */

    private SectionsPagerAdapter mSectionsPagerAdapter;

    /**

     * The {@link ViewPager} that will host the section contents.

     */

    private ViewPager mViewPager;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);

        setSupportActionBar(toolbar);

        // Create the adapter that will return a fragment for each of the three

        // primary sections of the activity.

        mSectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager());

        // Set up the ViewPager with the sections adapter.

        mViewPager = (ViewPager) findViewById(R.id.container);

        mViewPager.setAdapter(mSectionsPagerAdapter);

        TabLayout tabLayout = (TabLayout) findViewById(R.id.tabs);

        mViewPager.addOnPageChangeListener(new TabLayout.TabLayoutOnPageChangeListener(tabLayout));

        tabLayout.addOnTabSelectedListener(new TabLayout.ViewPagerOnTabSelectedListener(mViewPager));

        FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);

        fab.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View view) {

                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)

                        .setAction("Action", 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.menu_main, menu);

        return true;

    }

    @Override

    public boolean onOptionsItemSelected(MenuItem item) {

        // Handle action bar item clicks here. The action bar will

        // automatically handle clicks on the Home/Up button, so long

        // as you specify a parent activity in AndroidManifest.xml.

        int id = item.getItemId();

        //noinspection SimplifiableIfStatement

        if (id == R.id.action_settings) {

            return true;

        }

        return super.onOptionsItemSelected(item);

    }

    /**

     * A placeholder fragment containing a simple view.

     */

    public static class PlaceholderFragment extends Fragment {

        /**

         * The fragment argument representing the section number for this

         * fragment.

         */

        private static final String ARG_SECTION_NUMBER = "section_number";

        public PlaceholderFragment() {

        }

        /**

         * Returns a new instance of this fragment for the given section

         * number.

         */

        public static PlaceholderFragment newInstance(int sectionNumber) {

            PlaceholderFragment fragment = new PlaceholderFragment();

            Bundle args = new Bundle();

            args.putInt(ARG_SECTION_NUMBER, sectionNumber);

            fragment.setArguments(args);

            return fragment;

        }

        @Override

        public View onCreateView(LayoutInflater inflater, ViewGroup container,

                                 Bundle savedInstanceState) {

            View rootView = inflater.inflate(R.layout.fragment_main, container, false);

            TextView textView = (TextView) rootView.findViewById(R.id.section_label);

            textView.setText(getString(R.string.section_format, getArguments().getInt(ARG_SECTION_NUMBER)));

            return rootView;

        }

    }

    /**

     * A {@link FragmentPagerAdapter} that returns a fragment corresponding to

     * one of the sections/tabs/pages.

     */

    public class SectionsPagerAdapter extends FragmentPagerAdapter {

        public SectionsPagerAdapter(FragmentManager fm) {

            super(fm);

        }

        @Override

        public Fragment getItem(int position) {

            // getItem is called to instantiate the fragment for the given page.

            // Return a PlaceholderFragment (defined as a static inner class below).

            return PlaceholderFragment.newInstance(position + 1);

        }

        @Override

        public int getCount() {

            // Show 3 total pages.

            return 3;

        }

    }

}

[삭제 후 메인]

public class MainActivity extends AppCompatActivity {
    private ViewPager mViewPager;
    private TabLayout tabLayout;

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

        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        mViewPager = (ViewPager) findViewById(R.id.container);
        
        //TabLayout tabLayout = (TabLayout) findViewById(R.id.tabs);
        //전역변수로 tabLayout을 선언(위에 private TabLayout tabLayout;)
        tabLayout = (TabLayout) findViewById(R.id.tabs);

    }
}

3. activity_main.xml에서 안쓰는 요소 삭제하기

<?xml version="1.0" encoding="utf-8"?>

<android.support.design.widget.CoordinatorLayout 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:id="@+id/main_content"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:fitsSystemWindows="true"

    tools:context=".MainActivity">

    <android.support.design.widget.AppBarLayout

        android:id="@+id/appbar"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:paddingTop="@dimen/appbar_padding_top"

        android:theme="@style/AppTheme.AppBarOverlay">

        <android.support.v7.widget.Toolbar

            android:id="@+id/toolbar"

            android:layout_width="match_parent"

            android:layout_height="?attr/actionBarSize"

            android:layout_weight="1"

            android:background="?attr/colorPrimary"

            app:layout_scrollFlags="scroll|enterAlways"

            app:popupTheme="@style/AppTheme.PopupOverlay"

            app:title="@string/app_name">

        </android.support.v7.widget.Toolbar>

        <android.support.design.widget.TabLayout

            android:id="@+id/tabs"

            android:layout_width="match_parent"

            android:layout_height="wrap_content">

            <android.support.design.widget.TabItem

                android:id="@+id/tabItem"

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:text="@string/tab_text_1" />

            <android.support.design.widget.TabItem

                android:id="@+id/tabItem2"

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:text="@string/tab_text_2" />

            <android.support.design.widget.TabItem

                android:id="@+id/tabItem3"

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:text="@string/tab_text_3" />

        </android.support.design.widget.TabLayout>

    </android.support.design.widget.AppBarLayout>

    <android.support.v4.view.ViewPager

        android:id="@+id/container"

        android:layout_width="match_parent"

        android:layout_height="match_parent"

        app:layout_behavior="@string/appbar_scrolling_view_behavior" />

    <android.support.design.widget.FloatingActionButton

        android:id="@+id/fab"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_gravity="end|bottom"

        android:layout_margin="@dimen/fab_margin"

        app:srcCompat="@android:drawable/ic_dialog_email" />

</android.support.design.widget.CoordinatorLayout>

[삭제 후 activity_main.xml]

<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout 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:id="@+id/main_content"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true"
    tools:context=".MainActivity">

    <android.support.design.widget.AppBarLayout
        android:id="@+id/appbar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:paddingTop="@dimen/appbar_padding_top"
        android:theme="@style/AppTheme.AppBarOverlay">

        <android.support.v7.widget.Toolbar
            android:id="@+id/toolbar"
            android:layout_width="match_parent"
            android:layout_height="?attr/actionBarSize"
            android:layout_weight="1"
            android:background="?attr/colorPrimary"
            app:layout_scrollFlags="scroll|enterAlways"
            app:popupTheme="@style/AppTheme.PopupOverlay"
            app:title="@string/app_name">

        </android.support.v7.widget.Toolbar>

        <android.support.design.widget.TabLayout
            android:id="@+id/tabs"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"/>
    </android.support.design.widget.AppBarLayout>

    <android.support.v4.view.ViewPager
        android:id="@+id/container"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        app:layout_behavior="@string/appbar_scrolling_view_behavior" />

</android.support.design.widget.CoordinatorLayout>

4. xml 읽어올 때 사용할 라이브러리 Jsoup을 추가

왼쪽의 안드로이드 프로젝트의 app를 우클릭하고 F12하면 Open Module Settings가 뜬다

여기에서 Dependencies 탭메뉴로 이동해서 오른쪽에 +로 Libraby 검색을 하고 jsoup 입력하고 엔터 누르면 알아서 찾아준다

다른 jsoup이 선택되지 않도록 org.jsoup:jsoup으로 시작하는게 맞는지 확인

5. AndroidManifest.xml에 인터넷 사용권한 추가

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="패키지이름">

    <uses-permission android:name="android.permission.INTERNET"/>

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity
            android:name=".MainActivity"
            android:label="@string/app_name"
            android:theme="@style/AppTheme.NoActionBar">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

예제 2에서는 탭 메뉴를 만드는 부분을 따라한다