Android OnTouchListener实时监听触点坐标，需要同时监听OnClickListener才有效

public class TouchTestActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);

final TextView tv=new TextView(this);
tv.setTextColor(Color.BLACK);
tv.setTextSize(15);

LinearLayout view=new LinearLayout(this);
view.setBackgroundColor(Color.WHITE);
view.setOnTouchListener(new OnTouchListener(){

@Override
public boolean onTouch(View arg0, MotionEvent arg1) {
// TODO Auto-generated method stub
tv.setText("rawx="+String.valueOf(arg1.getRawX())+"rawy="+String.valueOf(arg1.getRawY())+"\n");
tv.append("x="+String.valueOf(arg1.getX())+"y="+String.valueOf(arg1.getY())+"\n");
//tv.append("0x="+String.valueOf(arg1.getX(0)+"0y="+String.valueOf(arg1.getY(0))+"\n");

int action =arg1.getAction();
if(action==MotionEvent.ACTION_MOVE){
System.out.println("yidong");
}
if(action==MotionEvent.ACTION_DOWN){
System.out.println("down");
}
if(action==MotionEvent.ACTION_UP){
System.out.println("up");
}
if(action==MotionEvent.ACTION_CANCEL){
System.out.println("cancel");
}

return false;
}

});
/*
* 如果没有onClickListener，那么触笔在移动时，上面的只有down事件，其他都不会触发
* 而如果添加了，则move和up事件都会相应
*
*/
view.setOnClickListener(new OnClickListener(){

@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub

}

});

view.addView(tv);
setContentView(view);
}
}