수다닷컴

package net.npaka.multitouchex;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.view.View;
import android.view.MotionEvent;
public class MultiTouchView extends View {
private boolean touchFlag0=false;
private float touchX0;
private float touchY0;
private boolean touchFlag1=false;
private float touchX1;
private float touchY1;
private String info0=;
private String info1=;

public MultiTouchView(Context context) {
super(context);
setBackgroundColor(Color.WHITE);
setFocusable(true);
}

// 터치 이벤트 처리
@Override
protected void onDraw(Canvas canvas) {
Paint paint=new Paint();
paint.setAntiAlias(true);
paint.setTextSize(32);

canvas.drawText(MultiTouchXY,0,40*1,paint);
canvas.drawText(info0,0,40*2,paint);
&; canvas.drawText(info1,0,40*3,paint);
}
// 터치 이벤트 처리
@Override
public boolean onTouchEvent(MotionEvent event) {
final int pointerCount=event.getPointerCount();
if (pointerCount1) return false;
final int eventCode =event.getAction();
final int historyLen=event.getHistorySize()/pointerCount;
final int index0=event.findPointerIndex(0);
final int index1=(pointerCount1?event.findPointerIndex(1):-1);
if (historyLen0) {
for (int i=0;ihistoryLen;i++) {
final float x0=event.getHistoricalX(index0,i);
final float y0=event.getHistoricalY(index0,i);
handleMoveEvent(eventCode,x0,y0);
if (pointerCount1) {
final float x1=event.getHistoricalX(index1,i);
final float y1=event.getHistoricalY(index1,i);
handleMoveEvent(eventCode,x1,y1);
}
}
} else {
handleMoveEvent(eventCode,event.getX(),event.getY());
}
info0=touch0+(int)touchX0+,+(int)touchY0;
info1=touch1+(int)touchX1+,+(int)touchY1;
return true;
}
// 터치 Move 이벤트 처리
private void handleMoveEvent(int eventCode,float x,float y) {
if (((eventCode&MotionEvent.ACTION_MASK)==
MotionEvent.ACTION_DOWN) ||
((eventCode&MotionEvent.ACTION_POINTER_1_DOWN)==
MotionEvent.ACTION_POINTER_1_DOWN)) {
if (!touchFlag0) {
touchX0 =x;
touchY0 =y;
touchFlag0=true;
} else if (!touchFlag1){
touchX1 =x;
touchY1 =y;
touchFlag1=true;
}
} else if ((eventCode&MotionEvent.ACTION_MASK)==
MotionEvent.ACTION_UP ||
((eventCode&MotionEvent.ACTION_POINTER_1_UP)==
MotionEvent.ACTION_POINTER_1_UP)) {
if (touchFlag0&&(!touchFlag1 || nearToFirst(x,y))) {
touchFlag0=false;
} else if (touchFlag1) {
touchFlag1=false;
}
} else if ((eventCode & MotionEvent.ACTION_MASK)==
MotionEvent.ACTION_MOVE) {
if (nearToFirst(x, y)) {
touchX0=x;
touchY0=y;
} else {
 sp; touchX1=x;
touchY1=y;
}
}
}
// 터치 0과 터치 1의 어느쪽이 가까운지
private boolean nearToFirst(float tmpX,float tmpY) {
float distance0=(((tmpX-touchX0)*(tmpX-touchX0))+
((tmpY-touchY0)*(tmpY-touchY0)));
float distance1=(((tmpX-touchX1)*(tmpX-touchX1))+
((tmpY-touchY1)*(tmpY-touchY1)));
return distance0=distance1;
}
}

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package net.npaka.multitouchex;
import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.Window;
public class MultiTouchEx extends Activity {
private MultiTouchView touchView;
private TickHandler tickHandler;

@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
requestWindowFeature(Window.FEATURE_NO_TITLE);
touchView=new MultiTouchView(this);
setContentView(touchView);
}
@Override
public void onResume() {
super.onResume();
tickHandler=new TickHandler();
tickHandler.sleep(0);
}

@Override
public void onPause() {
super.onPause();
tickHandler=null;
}

public class TickHandler extends Handler {
@Override
public void handleMessage(Message msg) {
touchView.invalidate();
if (tickHandler!=null) tickHandler.sleep(100);
}

public void sleep(long delayMills) {
removeMessages(0);
sendMessageDelayed(obtainMessage(0),delayMills);
}
}
}

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책에 있는 예제입니다.
따라하는데 에러가 뜨네요;;; 왜이런지 모르겠습니다.

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