Android/adapter-view/adapterview-practice.html at master · hea-teck/Android · GitHub

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</head>

<body>

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<h1 id="toc_0">어댑터 뷰  실습</h1>

<ul>
<li>이번 실습은 아래와 같은 커스텀 리스트 뷰를 완성하는 것임.</li>
<li><p>리스트의 각 항목은 여러분이 수강하는 강좌 정보(강좌이름, 시간, 강의실)를 표시하는 것임</p>

<div class="polaroid">
        <img src="figure/practice-result.png" width="200">
</div>

<p>그림1. 실습 결과 <a name="fig1"></a></p></li>
</ul>

<h2 id="toc_1">1. 커스텀 리스트 뷰의 한 항목을 위한 UI 레이아웃을 구성</h2>

<ul>
<li><p>다음 그림과 같이 리스트의 한 항목을 위한 레이아웃 (<strong>layout/item.xml</strong>)을 정의하라.
<div class="polaroid2">
        <img src="figure/item-layout.png">
</div></p></li>
<li><p><strong>LinearLayout</strong>과 <strong>TextView</strong>의 다양한 속성 (<strong>layout_gravity</strong>, <strong>layout_weight</strong>, <strong>gravity</strong>, <strong>textColor</strong>, <strong>textSize</strong>, <strong>padding</strong> 등)을 활용하여 최대한 <a href="#fig1">그림1</a>에서 보이는 것처럼 설정하라.</p></li>
</ul>

<p>(참고자료)
<a href="https://github.com/kwanulee/Android/blob/master/examples/CustomAdapterView/app/src/main/res/layout/item.xml">https://github.com/kwanulee/Android/blob/master/examples/CustomAdapterView/app/src/main/res/layout/item.xml</a></p>

<h2 id="toc_2">2. 항목의 데이터를 관리하고, 항목의 뷰를 반환하는 커스텀 어댑터 클래스 정의</h2>

<ul>
<li>강좌이름, 시간, 강의실 정보로 구성되는 항목 데이터 클래스 (<strong>MyItem</strong>) 를 정의하라. </li>
<li>항목 데이터를 관리하며, 어댑터 뷰에 항목 뷰를 제공해주는 커스텀 어탭터 클래스 (<strong>MyAdapter</strong>)를 정의하라</li>
</ul>

<p>(참고자료)
<a href="https://github.com/kwanulee/Android/blob/master/examples/CustomAdapterView/app/src/main/java/com/kwanwoo/android/customadapterview/MyAdapter.java">https://github.com/kwanulee/Android/blob/master/examples/CustomAdapterView/app/src/main/java/com/kwanwoo/android/customadapterview/MyAdapter.java</a></p>

<h2 id="toc_3">3. 작성된 커스텀 어탭터 클래스 (MyAdapter)를 ListView에서 사용</h2>

<ul>
<li><strong>ListView</strong> 하나 만으로 구성된 화면 레이아웃을 정의</li>
<li><strong>MainActivity</strong> 클래스에서 <strong>ListView</strong>에 표시될 항목 데이터를 준비하고, <strong>MyAdapter</strong> 객체를 생성 시킨후,  이를 <strong>ListView</strong>에 설정하여 <a href="#fig1">그림1</a>과 같은 결과를 출력시킨다. </li>
<li>ListView의 한 항목을 클릭시에 클릭된 항목의 내용을 토스트 메시지로 표시</li>
</ul>

<p>(참고자료)
<a href="https://github.com/kwanulee/Android/blob/master/examples/CustomAdapterView/app/src/main/java/com/kwanwoo/android/customadapterview/MainActivity.java">https://github.com/kwanulee/Android/blob/master/examples/CustomAdapterView/app/src/main/java/com/kwanwoo/android/customadapterview/MainActivity.java</a></p>

<h2 id="toc_4">4. ListView의 항목 사이의 구분자를 설정하여, 리스트 뷰의 가시성을 개선</h2>

<ul>
<li>ListView의 구분자를 설정하는 방법:</li>
</ul>

<div><pre><code class="language-java">    listView.setDivider(new ColorDrawable(Color.RED));
    listView.setDividerHeight(5);</code></pre></div>

<p>(참고자료)
<a href="https://github.com/kwanulee/Android/blob/master/examples/ListView/app/src/main/java/com/kwanwoo/android/listview/MainActivity.java#L30-L31">https://github.com/kwanulee/Android/blob/master/examples/ListView/app/src/main/java/com/kwanwoo/android/listview/MainActivity.java#L30-L31</a></p>


</body>

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