Android ScrollView ( H, V, 대각 ) 스크롤 구현

출처 : http://www.androidpub.com/index.php?mid=android_dev_info&category=108970&document_srl=1430427

[xml 내용]

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

<ScrollView xmlns:android="http://schemas.android.com/apk/res/android" 

android:id = "@+id/imageViewVerticalScroll"

android:layout_width="200dip" 

android:layout_height="300dip">

<HorizontalScrollView xmlns:android="http://schemas.android.com/apk/res/android" 

android:id = "@+id/imageViewHorizontalScroll"

android:layout_width="200dip"

android:layout_height="400dip">

<ImageView android:id="@+id/fullImgView"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:background="@drawable/bg2">

</ImageView>

</HorizontalScrollView>

</ScrollView>

[class 소스]

public class mainscv extends Activity implements OnTouchListener {

private static HorizontalScrollView Scroll_Horizontal;

private static ScrollView Scroll_Vertical;

protected static int currentX = 0;

protected static int currentY = 0; 

@Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

        

        Scroll_Vertical = (ScrollView) findViewById(R.id.imageViewVerticalScroll);

        Scroll_Vertical.setOnTouchListener(this);

        Scroll_Horizontal = (HorizontalScrollView) findViewById(R.id.imageViewHorizontalScroll);

        Scroll_Horizontal.setOnTouchListener(this);

    }

public static void scrollBy(int x, int y)

    {

     Scroll_Horizontal.scrollBy(x, 0);

     Scroll_Vertical.scrollBy(0, y);    

    }

public boolean onTouch(View v, MotionEvent event) {

switch (event.getAction())

{

case MotionEvent.ACTION_DOWN:

currentX = (int)event.getRawX();

currentY = (int)event.getRawY();

break;

case MotionEvent.ACTION_MOVE:

int x2 = (int)event.getRawX();

int y2 = (int)event.getRawY();

scrollBy(currentX-x2, currentY-y2);

currentX = x2;

currentY = y2;

break;

case MotionEvent.ACTION_UP:

break;

default:

currentX = (int)event.getRawX();

currentY = (int)event.getRawY();

break;  

}

currentX = (int)event.getRawX();

currentY = (int)event.getRawY();

return true;

}

}