Question

我正在创建一个应用程序，我在处理左右滑动时遇到问题。

我想在一个条件后停止左右滑动。

这是我的代码：

public class MyAttendance extends Fragment{

    int pos = 0; 

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        View v = inflater.inflate(R.layout.fragment_my_attendance, container, false);

        final GestureDetector gesture = new GestureDetector(getActivity(),
            new GestureDetector.SimpleOnGestureListener() {

                @Override
                public boolean onDown(MotionEvent e) {
                    return true;
                }

                @Override
                public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,
                                       float velocityY) {
                    //Log.i(Constants.APP_TAG, "onFling has been called!");
                    final int SWIPE_MIN_DISTANCE = 120;
                    final int SWIPE_MAX_OFF_PATH = 250;
                    final int SWIPE_THRESHOLD_VELOCITY = 200;
                    try {

                        if ((Math.abs(e1.getY() - e2.getY()) > SWIPE_MAX_OFF_PATH)) {
                            return false;
                        }
                        if (e1.getX() - e2.getX() > SWIPE_MIN_DISTANCE
                                && Math.abs(velocityX) > SWIPE_THRESHOLD_VELOCITY) {
                            //Toast.makeText(getActivity(),"right to left",Toast.LENGTH_SHORT).show();
                            pos++;

                            if (pos == 0)

                            {
                                Calendar c = Calendar.getInstance();
                                SimpleDateFormat df = new SimpleDateFormat("dd/MMM/yyyy");
                                c.add(Calendar.DATE, pos);
                                snddate = df.format(c.getTime());

                                Hit_dataFrag_myatt();

                                Toast.makeText(getActivity(),"right to left current",Toast.LENGTH_SHORT).show();
                             }
                             else
                                 {
                                     Calendar c1 = Calendar.getInstance();
                                     SimpleDateFormat df1 = new SimpleDateFormat("dd/MMM/yyyy");
                                     c1.add(Calendar.DATE, pos);
                                     snddate = df1.format(c1.getTime());

                                     Calendar c2 = Calendar.getInstance();
                                     SimpleDateFormat df2 = new SimpleDateFormat("dd/MMM/yyyy");
                                     todate = df2.format(c2.getTime());

                                     if (c1.getTime().compareTo(c2.getTime()) < 0){
                                         Hit_dataFrag_myatt();

                                         Toast.makeText(getActivity(),"right to left"+snddate,Toast.LENGTH_SHORT).show();

                                     }else if (c1.getTime().compareTo(c2.getTime())==0){
                                         Hit_dataFrag_myatt();
                                         Toast.makeText(getActivity(),"right to left"+snddate,Toast.LENGTH_SHORT).show();
                                     }
// at this codition i want to stop swiping
else if (c1.getTime().compareTo(c2.getTime()) > 0){
                                         // At this conditon i want to stop swiping...
                                          }
                                 }
                        } else if (e2.getX() - e1.getX() > SWIPE_MIN_DISTANCE
                                && Math.abs(velocityX) > SWIPE_THRESHOLD_VELOCITY) {
                           // Toast.makeText(getActivity(),"left to right",Toast.LENGTH_SHORT).show();

                            pos--;
                            if (pos == 0)
                            {
                                Calendar c = Calendar.getInstance();
                                SimpleDateFormat df = new SimpleDateFormat("dd/MMM/yyyy");
                                c.add(Calendar.DATE, pos);
                                snddate = df.format(c.getTime());
                                Hit_dataFrag_myatt();

                                 Toast.makeText(getActivity(),"left to right current",Toast.LENGTH_SHORT).show();

                               }
                            else
                                {
                                    Calendar c1 = Calendar.getInstance();
                                    SimpleDateFormat df1 = new SimpleDateFormat("dd/MMM/yyyy");
                                    c1.add(Calendar.DATE, pos);
                                    snddate = df1.format(c1.getTime());


                                    Calendar c2 = Calendar.getInstance();
                                    SimpleDateFormat df2 = new SimpleDateFormat("dd/MMM/yyyy");
                                    todate = df2.format(c2.getTime());


                                   /* Calendar c = Calendar.getInstance();
                                    SimpleDateFormat df = new SimpleDateFormat("dd/MMM/yyyy");
                                    c.add(Calendar.DATE, pos);
                                    snddate = df.format(c.getTime());*/


                                   if(c1.getTime().compareTo(c2.getTime())<0) {

                                       Hit_dataFrag_myatt();

                                       Toast.makeText(getActivity(), "left to right" + snddate, Toast.LENGTH_SHORT).show();

                                   }
                                }
                        }
                    } catch (Exception e) {
                        // nothing
                    }
                    return super.onFling(e1, e2, velocityX, velocityY);
                }
            });

            v.setOnTouchListener(new View.OnTouchListener() {
            @Override
            public boolean onTouch(View v, MotionEvent event) {
                return gesture.onTouchEvent(event);
            }
        });


        return v;
    } 
}

请帮助我在条件后停止滑动，我提到我想停止在我的代码中滑动..

由于

Answer 1

尝试这种方式： -

首先定义变量

int pos = 0;
GestureDetector gesture;

然后从手势中移除final GestureDetector个字词。

然后尝试以下代码停止在条件下添加滑动：

    else if (c1.getTime().compareTo(c2.getTime()) > 0){
    // At this conditon i want to stop swiping...

    gesture = new GestureDetector(getActivity(),null);
}

如何在android中的条件后停止左右滑动

1 个答案: