05-4. 어댑터 뷰

※ GridView

 - 데이터를 표형식으로 출력

MainActivity.java

public class MainActivity extends ActionBarActivity {

       private int[] data = {

                     R.drawable.ic_launcher,R.drawable.ic_launcher,R.drawable.ic_launcher

                     ,R.drawable.ic_launcher,R.drawable.ic_launcher,R.drawable.ic_launcher

                     ,R.drawable.ic_launcher,R.drawable.ic_launcher,R.drawable.ic_launcher

                     ,R.drawable.ic_launcher,R.drawable.ic_launcher,R.drawable.ic_launcher

                     ,R.drawable.ic_launcher,R.drawable.ic_launcher,R.drawable.ic_launcher

                     ,R.drawable.ic_launcher,R.drawable.ic_launcher,R.drawable.ic_launcher

       };

       private GridView gv = null;

       private CustomAdapter adapter = null;

       @Override

       protected void onCreate(Bundle savedInstanceState) {

              super.onCreate(savedInstanceState);

              setContentView(R.layout.activity_main);

              adapter = new CustomAdapter( MainActivity.this, data);

              gv = (GridView)findViewById(R.id.gv_01);

              gv.setAdapter(adapter);

       }

}

CustomAdapter.java

public class CustomAdapter extends BaseAdapter  {

       private Context context;

       private int[] data;

       public CustomAdapter(Context context, int[] data) {

              // TODO Auto-generated constructor stub

              this.context = context;

              this.data= data;

       }

       @Override

       public int getCount() {

              // TODO Auto-generated method stub

              return data.length;

       }

       @Override

       public Object getItem(int position) {

              // TODO Auto-generated method stub

              return data[position];

       }

       @Override

       public long getItemId(int position) {

              // TODO Auto-generated method stub

              return position;

       }

       @Override

       public View getView(int position, View convertView, ViewGroup parent) {

              // TODO Auto-generated method stub

              ImageView imageView;

              if(convertView == null){

                     imageView = new ImageView(context);

                     //가로세로 크기

                     imageView.setLayoutParams(new GridView.LayoutParams(50, 50));

                     //가운데 정렬

                     imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);

                     imageView.setPadding(5, 5, 5, 5);

              }else{

                     imageView = (ImageView) convertView;

              }

              imageView.setImageResource(data[position]);

              return imageView;

       }

}

activity_main.xml

<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:layout_margin="20px"

    android:orientation="vertical"

    tools:context="com.example.androidex.MainActivity" >

   <GridView

       android:id="@+id/gv_01"

       android:layout_width="match_parent"

          android:layout_height="match_parent"

          android:numColumns="3"

          android:padding="10px"

          android:verticalSpacing="10px"

          android:horizontalSpacing="10px"

          android:gravity="center"

       ></GridView>

</LinearLayout>

※ HorizontalScrollView

 - 가로형태의 스크롤 뷰 (아래에 이미지에 가로형태의 스크롤이 들어간다)

 

** CustomAdapter 는 위의 소스와 같기 때문에 쓰지 않는다.

MainActivity

public class MainActivity extends ActionBarActivity {

       private int[] data = {

             R.drawable.aa,R.drawable.aa,R.drawable.aa,R.drawable.aa,R.drawable.aa,R.drawable.aa

            ,R.drawable.aa,R.drawable.aa,R.drawable.aa,R.drawable.aa

               

       };

       private GridView gv = null;

       private CustomAdapter adapter = null;

       private LinearLayout ll;

       private ImageView[] ivs;

       @Override

       protected void onCreate(Bundle savedInstanceState) {

              super.onCreate(savedInstanceState);

              setContentView(R.layout.activity_main);

              adapter = new CustomAdapter( MainActivity.this, data);

              gv = (GridView)findViewById(R.id.gv_01);

              gv.setAdapter(adapter);

              ll=(LinearLayout)findViewById(R.id.ll_01);

              ivs= new ImageView[10];

              for(int i=0; i<10; i++){

                     ivs[i]= new ImageView(this);

                     ivs[i].setImageResource(data[i]);

                     ll.addView(ivs[i]);

              }

       }

}

activity_main.xml

<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="com.example.androidex.MainActivity" >

   <GridView

       android:id="@+id/gv_01"

       android:layout_width="wrap_content"

          android:layout_height="wrap_content"

          android:numColumns="3"

          android:padding="10px"

          android:verticalSpacing="10px"

          android:horizontalSpacing="10px"

          android:gravity="center"

          android:background="#00ff00"

       ></GridView>

   <HorizontalScrollView

       android:id="@+id/hsv_01"

       android:layout_width="wrap_content"

       android:layout_height="wrap_content"

       android:paddingLeft="10px"

       android:paddingRight="10px"

       android:background="#0000ff">

       

       <LinearLayout

           android:id="@+id/ll_01"

           android:layout_width="wrap_content"

           android:layout_height="wrap_content"

           android:orientation="horizontal">

       </LinearLayout>

   </HorizontalScrollView>

</LinearLayout>