Android(安卓)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(){@Overridepublic boolean onTouch(View arg0, MotionEvent arg1) {// TODO Auto-generated method stubtv.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(){@Overridepublic void onClick(View arg0) {// TODO Auto-generated method stub}                });                view.addView(tv);        setContentView(view);    }}

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