public boolean onTouch(View v, MotionEvent event){
StringBuffer sb = new StringBuffer();
sb.append("一個觸摸").append("x").append(event.getX());
sb.append("y:").append(event.getY());
int pointCount = event.getPointerCount();
sb.append("觸摸點:").append(pointCount);
for(int index = 0; index<pointCount;index++){
sb.append("第").append(index).append("個點");
sb.append("x:")append(event.getX(index)).append("y:").append(event.getY(index));
sb.append("\n");
}
et01.setText(sb.toString());
return false;
}